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TRENDvent - Hoffrichter GmbH

1. 21 cCOMPONENIS 21 How the device WOIKS 5 s eO P RO P RO Bs 25 Nurse call and remote 26 Ventilation modes nnn n nnn 27 POMWBIOGe Naita 28 APOY mode ttai ce ditta b a d a a ua a us ada 29 PSV Imode utet ettet bete tbc bete bc bet e bebe 30 PSV S Imode s is ib e e c e b c uns 31 M UT 31 s xxm Noc oltra olo roto oM olore oro atc ate lr ate fuae 31 Ji RO Cle oot ccrte ntc et ah eet 31 ST MOG scatter 31 Description of 32 Housing display and control elements 32 Operating Bless eee eti e es teen ete us 34 Operating unit elements cet tee eee 34 I ED funetloris sete testet tet tette tette 35 B ttonfunclioris os en e ne t e t ee ats 36 Contents 3 Commissioning 38 oettirig up TNS 38 Using thie Tunetienal Dag ccna aN ae aN eS eee EON ee ON ee aN 39 e ieelo 40 Mains Operations tutes tede 40 Operation with internal 41 ete MA AAA RRA 41 Operation with external 42 THE TUBS
2. 43 Connecting the valve tube systems ise leis 44 Connecting the Leckage tube 45 Connecting the humidifier eeeeseeee ra 46 Connecting the bacterial iia 47 Connecting the remote alarm box nurse 47 Switching the device ON 48 owitchildg thie device 5 29 9 Mas Mas aca dae ad a ed aca 49 Starting Ventilation s itetettetetenatananadaada adatta 50 Stepping ventllationaias s ases tos acts ree et 50 Operation with humidifier 51 Setting the humidifier heating level 51 owitching orr THE NESTING 51 owitchirig on thiedheatirg me e e e e M e e used 51 WSING OXV GEN ewes A UD Le 52 DSUPBIVING OXV OSM s aper iced eder Noe RED Da 52 Stopping the supply of 52 Measuring oxygen EEEa 53 Operating the device seinri rnanan AEAEE REAREA 55 Operating ol EM 55 CHANGING seus sa PT 56 Safety sii uude btts 56 Activatinig the safelty eee eee etd debe b debo bets 56 De activatirig thie safety loCK ss s e eus 56 Th patient SCregnz ut too eat e dte s Rh t e a 57 Symbol ara t o t s 58 The Gurve sereena ssp ts 60 4 Contents F
3. used connect oxygen Otherwise there is a risk that the back stop in the connection is damaged 3 Switch the device Start ventilation and wait for several respiratory cycles 5 Start supplying the oxygen Fig 22 Oxygen connection STOPPING THE SUPPLY OF OXYGEN 1 Stop the supply of oxygen at the oxygen source 2 Allow ventilation to continue for a number of respiratory cycles 3 Stop ventilation 52 Commissioning MEASURING OXYGEN CONCENTRATION Oxygen can only be measured in combination with a valve tube system with an expiration valve Use the optionally available oxygen sensor for this Depending on the ambient conditions the sensor can require up to 30 min utes after installation to reach signal stability 1 Ensure that the ventilator is switched off 2 Screw the oxygen sensor a into the housing gas duct b 3 Insert the gas duct with the oxygen sensor into the T adapter 4 Insert the T adapter into the device s tube connection 5 Connect the device connection side of the ventilation tube with the T adapter 6 Insert the angled plug of the connection lead d into the oxygen sen sor at the top and the straight plug into the oxygen measuring tube connection 45j The alarm button lights up yellow 7 Switch the ventilator on When the device is started the oxygen sen sor is automatically calibrated and the alarm button is no longer lit It is calibrated against the amb
4. 2 3 10 3 69 3 69 7 38 100 11 67 11 67 23 33 For transmitters rated at a maximum output power not listed above the recommended separation distance d meters m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer Note 1 At 80 MHz and 800 MHz the higher frequency range is essential Note2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people 1 Here user is meant in the sense of Responsible Organization 98 Manufacturer s declaration on electromagnetic compatibility DISCLAIMER HOFFRICHTER GmbH is not liable for consequences in terms of safety reliability and performance of the product where e interventions modifications extensions calibration repairs and maintenance are carried out by persons not authorized by us e other manufacturers accessories and spare parts are used that have not been approved by us for use on the product e the product is used other than as described in the user s manual or e the hygiene and cleaning instructions described in the user s manual have not been complied with Statutory guarantee rights remain unaffected by this Disclaimer 99 HOFFRICHTER GmbH Mettenheimer Strasse 12 14 19061 Schwerin Germany Phone 49 385 39925 0 Fa
5. lt p E 1 lt a rt Fig 46 Sliding out the filter cassette CLEANING THE MASK For hygienic reasons clean the mask every day To do this proceed as follows 1 Disconnect the mask from the tube system 2 Clean the mask with mild soapy water Do not use any other agents 3 Rinse the mask thoroughly with clear water 4 Let the mask dry completely in the air Heavily worn damaged masks must not be reused and should be disposed of correctly CLEANING THE TUBE SYSTEM A CAUTION A heavily worn or damaged tube system should be disposed of cor rectly and replaced by a new one VALVE TUBE SYSTEM The tube system supplied is intended for use on one patient only It must not be cleaned and used for other patients When using other tube sys tems the manufacturer s instructions must be observed Cleaning and disinfection 85 LEAKAGE TUBE SYSTEM The tube system supplied is intended for use on one patient only For reasons of hygiene clean the leakage tube weekly To do this proceed as follows 1 Disconnect the leakage tube from the mask and the device 2 Seal the pressure measuring tube on both sides using the plugs So that no water can penetrate 3 Clean the leakage tube with mild soapy water Do no
6. 15 s Pressure greater 60 hPa Device error Emergency ventilation Alarms and error messages Device must be serviced Move position of set ting for tube system on rear of device to correct position Check expiration valve and replace if necessary Change setting of tube System on rear of device or replace tube system Change setting of tube System on rear of device or replace tube system Check connection between measuring tube and device Device must be serviced Device must be serviced Check tube system Device must be serviced 79 Error Priority Cause Remedy message Error O2 Sen MEDIUM Sensor defective Exchange or recalibrate ae Calibration error oxygen sensor Calibrate LOW Oxygen sensor plugged in Calibrate oxygen sensor O2 Sensor after device was turned with ventilation switched off Table 12 Other alarms alarm messages FIXED ALARMS FOR POWER SUPPLY Error Backup HIGH Battery block Device must be serviced Battery voltage too low Internal Battery HIGH Battery empty Battery must be charged 1 min empty ute until the power supply fails completely ventilation only pos sible with external power supply Error internal Medium Battery defec Device must be serviced Battery tive Internal Battery MEDIUM Battery capacity Battery must be charged low lt 10 Charging of LOW Temperature Device must be warmed up or Battery not outside speci cooled down possible fied limits during charging
7. gt Fig 3 POV mode diagram Time In the PCV mode the maximum and minimum volumes as well as a maxi mum frequenoy can be set as alarm parameters 28 Ventilation modes Fig 4 APCV mode diagram APCV MODE The adjustable ventilation parameters in pressure controlled assisted ven tilation correspond to those in purely controlled ventilation By setting an inspiration trigger the patient has the option to interrupt expiration and trigger the next inspiration by making an effort to breathe and reach the trigger threshold These additional breaths are as in purely controlled ven tilation controlled exclusively through the device The inspiration time is predefined The patient s own respiratory effort is only able to shorten the expiration time and thereby increase the set frequency 4 Controlled Assisted Assisted Controlled Inspiration Inspiration Inspiration Inspiration IPAP 7 PEEP N triggger Specified pressure gt Time In the APCV mode the maximum and minimum volumes as well as a maximum frequency can be set as alarm parameters Ventilation modes 29 PSV MODE Pressure supported ventilation is intended to support spontaneous breath ing and to initiate machine ventilation whenever spontaneous respiration fails The support pressure IPAP and expiration pressure PEEP define the pressure range in which the patient is ventilated The trigger thresh olds of the
8. 0 C 50 C Table 13 Fixed alarms for power supply 80 Alarms and error messages FURTHER MESSAGES Battery Operation Device was removed from the mains and iS NOW running on internal battery confirm the message by pressing the alarm button Safety Mode active Patient not breathing spontaneously mini mum frequency safeguard via the device only in PSV and ST mode Switch OFF Ventilation HIGH ON OFF button was pressed or main Yes No Switch was activated during ventilation alarm sound is active to end ventilation the query must be answered with Yes ATTENTION Main switch was activated during Main Switch OFF ning ventilation query whether ventilation should be switched off was confirmed with no message remains until main switch is Table 14 Further messages switched on again Alarms and error messages 81 SAVING ALARMS All alarms are saved in the device including date alarm time alarm cause and the measured values at the time of the alarm The memory depth is approximately 1 year READING OUT THE ALARM MEMORY ON THE DEVICE You can view the last 200 alarm messages in the alarm screen To do this proceed as follows qunter Service 12 23 Alarm 29 03 10 06 30 i Volume too low ppeak 3 0 hPa 1 2 E 1 Activate the alarm screen using the cursors lt or 2 Select Alarm using the cursor V or the touch wheel 3 Press the OK
9. Fig 1 Block diagram of entire device How the device works 21 Blower The blower provides a maximum pressure of 40 hPa at a flow of 200 l min On the air inlet side there is an air filter cassette with a coarse and a fine filter Power supply The device is supplied with power via an AC DC switching power supply or the internal battery The device can also be provided with an external power supply using the AKKUPACK uni or AKKUPACK CARAT Ask your specialist dealer about this 22 How the device works Fig 2 Block diagram of compressed air distribution Distribution of air in the device For the distribution of the compressed air the device is composed of the following units e Blower 40 hPa at 200 l min e Air outlet standardized tube connector M22 with flow element and proportional valve e Non return valve e Humidifier optional e Oxygen block including 3 2 directional valve and self locking con nection e Pressure measuring tube connection 3 5 mm e Control pressure tube connection 4 5 mm Connection for oxygen sensor jack 2 5 mm Air inlet Filter A A Non return Switch Valve Blower Val aay Pressure sen ave OWiselloo Y sors excess 4 Proportional pressure valve switch Oxygen Air outlet Control tube Pressure connection connection measuring tube connection How the device works 23 Interfaces The device has an USB interface for connection to a PC T
10. Possible errors must first be corrected before the device can be used CHECKING THE DATE AND TIME Switch to the comfort screen and check the date and time If necessary correct the setting see page 65 CHECKING THE BATTERY OPERATION ALARM Remove the device from the mains power An alarm must sound and the message Battery Operation must appear in the display CHECKING THE LEAKAGE ALARM Remove the test lung from the device After at most 15 seconds an alarm must sound and the message Leakage must appear in the display CHECKING FREQUENCY TOO HIGH ALARM Operate the device in the PSV mode Set the value of the alarm parameter Max Frequency to lower than the currently measured frequency Simu late spontaneous respiration using the test lung until the alarm sound is triggered and the message Frequency too high appears on the display Functional test 89 MAINTENANCE AND SAFETY RELATED TEST SRT IMPORTANT All procedures performed are to be recorded To maintain and check the device functions the device must be subjected to an annual maintenance or safety related test carried out by an autho rized service technician The maintenance intervals and all necessary tasks are described in detail in the service manual 90 Maintenance and safety related test SRT 154 154 DISPOSAL DEVICE The device must not be disposed of with the household waste Please contact th
11. OK button Set the minutes using the cursors or V or the touch wheel Confirm the settings using the OK button devoret MPORTANT If before reaching point 7 you leave the menu item Time by pressing the esc button all changes are lost and the existing time is retained Operating the device 65 SETTING THE AUTOMATIC START The automatic start enables ventilation to be started through the patient s own efforts to breathe If the mask slips falls off or uncompensatable leaks occur ventilation continues and a signal sounds Activate the comfort screen using the cursors or Select Automatic start using the cursor V or the touch wheel Press the OK button Set the start automatic to or OFF using the cursors or V or the touch wheel 5 Confirm the settings using the OK button Pos Mc 66 Operating the device PCY SENI Service Date 30 03 10 Time 06 30 5 1 1 5 Fig 31 Setting the automatic start Fig 32 Setting the softstart time CPAP mode Pressure hPa ON Softstart 4i Comfort NET Counter ervi Date 30 03 10 Time 06 30 Heating Level 5 OFF Mask Test Time 5 Alarm Volume PM In ppeak 20 2 hPa f 12 bpm M 045 T 15 Pressure hPa Time min SETTING THE SOFTSTART TIME The use of the Softstart function can
12. air can otherwise not escape and thereby hinder ventilation Commissioning 45 CONNECTING THE HUMIDIFIER AWARNING The AquaTREND uni humidifier must not be used for invasive ventilation The AquaTREND uni humidifier can be used to humidify the respiratory air 1 Connect the humidifier to the device as in Fig 18 until it locks into place Ensure that the contact pins and the air outlet of the humidi fier are fitted to the device without being skewed and distorted If the device is set for operation with a valve tube system the following mes sage appears Fig 18 Humidifier connection ATTENTI Humidifier for non invasive ventilation onl 2 Confirm the message by pressing the OK button 3 Attach the ventilation tube to the humidifier s tube connection IMPORTANT It is imperative that before using the AquaTREND uni humidifier you read the safety and cleaning instructions in the user s manual The humidifier can only be used up to a pressure of max 20 hPa 46 Commissioning Fig 19 Bacterial filter connection NM de Fig 20 Remote alarm nurse call connection CONNECTING THE BACTERIAL FILTER To protect the patient from infection during patient changes we recom mend the use of bacterial filters Connect the bacterial filter as follows 1 Attach the bacterial filter to the device s tube connection 2 Connect the device connection side of the tube system with the bac
13. and the pressure bar can be seen in the patient screen If the patient screen is not active the current ventilation parameters are shown at the bottom of the dis play STOPPING VENTILATION 1 Press the ON OFF button during running ventilation A signal sounds and the display shows the query Switch OFF Ventilation Yes 2 Press the cursor lt to select Yes followed by the OK button Sub sequently a signal sounds 3 times and the ventilation stops 50 Commissioning PCV 50 Fig 21 Comfort ERN Date 30 03 10 Time 06 30 inter Heating Level Setting Heating Level P Automatic Start OFF Softstart 15 min Mask Test Time 5 Alarm Volume mii d B ppeak 20 2 hPa f 12 bpm INS 0 45 18155 OPERATION WITH HUMIDIFIER Connect the AquaTREND uni humidifier as described on page 46 The humidifier features an integrated heating system for heating the humidifier water This enables the respiratory air to be preheated SETTING THE HUMIDIFIER HEATING LEVEL 1 Activate the comfort screen using the cursors lt or Select Heating Level using the cursor V or touch wheel Press the OK button Set the desired heating level using the cursors or V or the touch wheel You can select a value between 1 to 5 Level 1 represents the lowest heat output and level 5 represents the maximum heat output 5 Confirm the settings using the OK button Tac
14. display must be moni tored and an alternative power source kept ready For further details on the display of the battery capacity please refer to page 35 If the power supply is interrupted by a power failure the device is supplied with power via the internal battery Commissioning 41 Power failure and thus the switch to the internal battery is indicated by alarm sound as well as by the message Battery Operation see Fig 10 In addition the power LED will glow red and the alarm button will glow orange To switch the alarm off press the alarm button The alarm sound is switched off the message Battery Operation is hidden and the power LED goes out When the power supply returns the device is supplied with power from the mains supply and the internal battery is charged and the power LED is lit green again OPERATION WITH EXTERNAL BATTERY IMPORTANT Before initial commissioning you must read the user s manual for the external battery pack The AKKUPACK uni or the AKKUPACK CARAT enable the device to be operated independently of the mains power supply The battery pack is optionally available as an accessory To supply the battery pack with power use the mains cable and the power supply unit of the ventilator If the battery pack is connected to the venti lator the power LED lights green At full capacity and factory settings the battery pack enables operation for a maximum of 12 h For further info
15. inspiration trigger and the expiration trigger can be adjusted to the patient s requirements The adjustable frequency is a background frequency As long as this frequency is reached or exceeded through the patient s spontaneous respiration the device reacts to every spontane ous inspiration with supportive pressure and follows the patient s breath ing If the background frequency is not reached the device takes over the mechanical ventilation until spontaneous respiration is registered again To allow pauses between the spontaneous respiratory efforts of the patient a delay of the time of the start of mechanical respiration is possible by setting an apnea limit The increase in pressure between PEEP and IPAP can be selected by setting a ramp which prescribes the form of the flow curve The tidal volume adjusts itself to the condition of the lungs com pliance and resistance To safeguard a minimum volume a value can be preset with the option of using additional pressure IPAP additional pres sure to reach this minimum volume j Supported Supported Supported Supported Inspiration and Inspiration and Inspiration and Inspiration and e Expiration Expiration Expiration Expiration IPAP 2 e E PEEP 8 Spontaneous Spontaneous respiration triggger respiration triggger Time In the PSV mode the maximum and minimum volumes as well as a maxi mum frequency can be set as alarm parameters 30 Ventilation modes F
16. DES Depending on the tube system used the following ventilation modes can be set in the device Valve tube system Mode PCV APCV PSV PSV S CPAP Description Pressure Controlled Ventilation Assisted Pressure Controlled Ventilation Pressure Supported Ventilation Pressure Supported Ventilation Spontaneous Continuous Positive Airway Pressure Leakage tube system Mode CPAP 5 T ST Description Continuous Positive Airway Pressure Spontaneous Ventilation Timed Ventilation Spontaneous and Timed Ventilation Ventilation modes 27 PCV MODE In the PCV mode the ventilation is controlled exclusively through the device The patient is unable to breathe spontaneously For controlled ventilation the inspiration trigger must be set to OFF The respiratory cycle is based on the set frequency and a set I E ratio The inspiration pressure IPAP and end expiration pressure PEEP define the pressure range in which the patient is ventilated The pressure increase can be selected by setting aramp The inspiration volume adjusts itself to the condition of the lungs compliance and resistance To safeguard a minimum volume Vt min a value can be preset with the option of using additional pressure IPAP additional pressure to reach this minimum volume A Controlled Controlled Controlled Controlled g Inspiration Inspiration Inspiration Inspiration 9 IPAP g O PEEP o B
17. HOFFRICHTER Quality makes the Differ User s manual for patients Ventilator SERIAL NUMBER Every HOFFRICHTER GmbH device is supplied with a serial number for traceability purposes Please enter your device s serial number here You will find the serial num ber on the rating plate on the bottom of the device er eee RES Please always quote the serial number for all queries and complaints CONFORMITY The device complies with the requirements of Directive 93 42 EEC 2 Info CONTENTS Scope of delivery 7 General E TEM 8 Intormation on user s rranualsss sccec conterere co rere rd 8 Symbols on the rating a 8 Symbols used in this user s 1 9 Safety 10 General safety instructions 10 Electtical Satety qs raean abt At that to htt 13 Installation requirements and 14 Instructions before commissioning 15 an en Chet cec eo eo en 16 Safetyerolatediteste ooi ne tu re 17 Atended USE eee t olo utc loto 18 GContraindications ssi Bee G ease Ree G ease de ee 19 Side effects rds 20 How the device works
18. Operating the device Immediately after the activation of the curve screen during ventilation the curves are set up over the set period of tine The curves are then replaced with the new values The current ventilation status is shown via a white progress bar If a new calculation of the curve starts at the beginning of the time axis this symbol is briefly shown in the upper right of the screen The recording of the curves within the time axis is indicated by the follow ing symbol FREEZING THE CURVE SCREEN To analyze and evaluate the curves it is possible to freeze the current curve recording To do this press the OK button This symbol indicates that the curve is frozen To start recording the curves again press the OK button The curve record ing subsequently starts again at zero SCALING THE TIME AXIS The scaling of the time axis can be adjusted as follows e Oto 12 5s e Oto25sor e 505 Press the cursor lt to decrease the time span and to increase the time span CHANGING THE MEASURED VALUE To display the curve chart for a different value press the cursors or V Operating the device 61 THE VENTILATION SETS A ventilation set contains all ventilation parameters relevant to ventilation A maximum of 3 ventilation sets can be preconfigured by the physician Depending on this you have 1 to 3 ventilation sets Display of the active set Indication that by pressing the a
19. able alarms that apply to the respective ventilation mode All adjustable alarms remain saved when the device is switched off and are active again when it is switched on All alarms and error messages are displayed visually and or acoustically Optionally medium and high priority alarms can be emitted via a remote alarm VISUAL ALARMS Visual alarms and error messages are displayed e via the alarm button e and as highlighted text Depending on the priority of the alarm the alarm button flashes as follows e Priority HIGH 10 pulses fast repeated every 5 seconds red flashes with 2 Hz e Priority MEDIUM 3 pulses slow repeated every 5 seconds yellow flashes with 0 5 Hz e Priority LOW 1 pulse lit yellow If several alarms are triggered at the same time or in quick succession the alarm with the highest priority is displayed Alarms and error messages 75 ACOUSTIC ALARMS Acoustic alarms are emitted by an alarm sound As soon as the cause of the alarm disappears the alarm sound is switched off The alarm continues to be indicated by the orange light of the alarm button and a text message until it is confirmed by pressing the alarm button SUPPRESSING ALARM SOUNDS The alarm sound can be supressed by pressing the alarm button for 2 min utes During this time the alarm sound for any possible further alarms is also suppressed One exception is the alarm for Internal Battery empty which cannot be muted The alarm button co
20. ameters Pressure bar L only visible H Measured values of the run during ventilation ning ventilation only visible during ventilation Fig 28 Comfort screen 64 Operating the device PCW Comfort counter E Time Heating Level Automatic Start Softstart Mask Test Time Alarm Volume 22 Ul 0 15 we 115 Fig 29 Changing the date Date 30 03 10 E i Heating Level Automatic Start OFF Softstart 154 Mask Test Time Caisse Alarm Volume a BB ee Lg 0 45 1 5 Fig 30 Changing the time CHANGING THE DATE Activate the comfort screen using the cursors lt or Select Date using the cursor V or the touch wheel Press the OK button Set the year using the cursors A V or the touch wheel Press the OK button Set the month using the cursors or V or the touch wheel Press the OK button Set the day using the cursors or V or the touch wheel Confirm the settings using the OK button tO KO oe CO NI IMPORTANT If before reaching point 9 you leave the menu item Date by pressing the esc button all changes are lost and the existing date is retained CHANGING THE TIME Activate the comfort screen using the cursors lt or Select Time using the cursor V or touch wheel Press the OK button Set the hour using the cursors or V or the touch wheel Press the
21. and the battery LED shows the cur rent charge status 5 Switch the ventilator on using the main switch As soon as the ventilator is connected to a power supply of 100 240 V 20 96 10 96 50 60 Hz the power LED lights up green The power LED is also lit when the main switch is off as the internal bat tery is charged The charging of the battery is additionally indicated by the illuminated battery LED and if the device is switched on the battery symbol is shown on the display 40 Commissioning OPERATION WITH INTERNAL BATTERY IMPORTANT prevent the internal battery from discharging the device should stay connected to the mains power during standby times Charging a completely empty battery takes approximately 4 hours If the device is switched on without a connection to the mains power or the device is disconnected from the mains power during operation an alarm sounds and the message Battery Operation appears To switch off the alarm sound and delete the message press the alarm button With a fully charged battery the device can be operated for a maximum of 5 5 hours The battery LED see page 35 and the battery symbol see page 58 provide more information about the battery s capacity CAUTION If the alarm Internal Battery low appears the ventilator must imme diately be connected to an alternative power source POWER FAILURE IMPORTANT During a power failure the battery capacity
22. arried out 5 Confirm the settings using the OK button PO Pressure hPa IPAP additional pressure 0 Mask test Softstart Time min STARTING THE MASK TEST To start the mask test put the mask on and start the ventilation 68 Operating the device 30 03 10 06 30 PCY fcr EN ES VEDO EORR DUTY TE cj M 0 45 i DE 1 1 5 Fig 33 Setting the mask test time Fig 34 Mask test time in the CPAP mode in combination with the Softstart function SETTING THE VOLUME OF THE ALARMS 1 Activate the comfort screen using the cursors lt or PCY confor NEM ter Service n P 30 03 10 1 2 Select Alarm Volume using the cursor V or the touch wheel I i Date 23 T Time 05 30 3 Press the OK button Heating Level 5 4 Set the desired volume using the cursors or the touch wheel Automatic Start OFF 3 settings are possible Softstart 15n quiet Mask Test Time medium loud pak 20 2 rra 12 om 5 Confirm the settings using the OK button An alarm sounds at the set 0 45 i 1 Als volume Fig 35 Setting the volume of the alarms IMPORTANT If you do not hear an alarm sound the device must not be used as the acoustic alarms may be faulty Have the device checked by an authorized service technician Operating the device 69 SETTING THE BRIGHTNESS OF THE DISPLAY During ventilation the backg
23. ating the device THE SERVICE SCREEN Via the service screen you can undertake the manual sensor calibra tion see page 53 Indication that by pressing the cursor further screens can be displayed Indication that by pressing the cursor further screens Active n can be displayed ventilation mode FP Fig 40 Service screen Operating the device 73 THE STATUS SCREEN The status screen provides information about the hardware status operating voltage date of last battery test maximum battery capacity the device s serial number and the software version The parameters in the status screen are purely for information and can not be changed Indication that by pressing the cursor further screens can be displayed Active ventilation mode PCY Ww Hardware Status ETT ub RTC OK 1 Scroll bar FLASH r3 634 m 1 Lu Status parameters C d V PR e Pressure bar only visible EN during ventilation Measured values of the run ning ventilation only visible during ventilation Fig 41 Counter screen 74 Operating the device Fig 42 Alarm message Pressure too low ALARMS AND ERROR MESSAGES GENERAL A CAUTION The alarm limits may only be set by qualified specialist staff under the supervision of a physician The TRENDvent ventilator has both fixed alarms and adjust
24. bring some relief if the patient has not really become accustomed to ventilation The softstart function slowly increases the pressure in the time programmed by you starting with a defined initial ramp pressure up to the prescribed pressure Ventilation mode Starting ramp pressure IPAP EPAP CPAP OhPa A PCV PSV S 4hPa OhPa 7 ST 4hPa 2hPa Table 9 Starting ramp pressures Activate the comfort screen using the cursors lt or Select Softstart using the cursor V or the touch wheel Press the OK button Set the desired time using the cursors or V or the touch wheel You can set the time that is set under Max Softstart as a maximum 5 Confirm the settings using the OK button deo vx A PCV PSV S mode S T ST mode Pressure hPa ONA Softstart Time min Softstart Time min Operating the device 67 SETTING THE MASK TEST TIME The mask test time is the period in which the device carries out a mask test Here the worn mask is tested for any leakage at max pressure IPAP Additional Pressure If the Softstart function is active the mask test is carried out before the softstart ramp begins Activate the comfort screen using the cursors lt or Select Mask Test Time using the cursor V or touch wheel Press the OK button Set the desired time using the cursors or V or the touch wheel You can select a value between 5 to 90s In the OFF setting no mask test is c
25. button The saving location of the alarms and the total number of alarms are highlighted with a black bar 4 Select the desired alarm using the cursors A or V in order to view the F3 A 12 bpm Leak 0 alarm time alarm cause and measured values at the time of alarm poer Te iL 12 hm Eg iE Lu UM I min a 1 1 5 Fig 43 Reading out alarm memory FORWARDING ALARMS Alarms can be forwarded by means of a nurse call or the optionally available remote alarm box This allows even better monitoring of the device to be achieved in the home or clinic The use of the remote alarm box or a nurse call is especially recommended when several ventilators are used in one room as this allows the device generating the alarm to be easily identified Fig 44 Remote alarm box 82 Alarms and error messages CLEANING AND DISINFECTION Before cleaning the device remove the power plug from the power supply The directions given in this user s manual and the applicable regulations the hospital nursing home must be adhered to when hygienically preparing and cleaning the device Standard sterilization methods are not recommended for the device Do not use any aggressive or abrasive cleaning agents e g acetone Do not immerse the device in water or solvents Follow the accessory manufacturer s instructions about cleaning and disinfection Never operate the device without the air filter Only use origina
26. ch Mains socket eG 24V 5A Com Service connection RS232 interface RJ11 Remote alarm LED pir inlet with integrated filter cassette fine and coarse filter detachable e PC connection Remote al emote alarm USB interface connection RJ10 Connection cover Fig 8 X Rear view of device Description of device 33 OPERATING UNIT OPERATING UNIT ELEMENTS Power LED Battery LED NHOFFRICHTER TRENDvent esc button Touch wheel Cursor buttons OK button Alarm button Heating button ON OFF button Fig 9 Operating unit elements 34 Description of device Table 3 Power LED Table 4 Battery LED LED FUNCTIONS Power LED The power LED provides information about the power supply green lit Voltage gt 22 0 V red flashing Voltage lt 22 0V none off Voltage gt 22 0 V confirmed Battery LED The battery LED provides information about the capacity of the internal battery green 8096 yellow lit on 3096 red lit on 30 96 red flashing on Battery error green flashing off gt 80 96 Battery charging yellow flashing off 30 96 Battery charging red flashing off 30 96 Battery charging yellow lit off Battery charging error capacity 80 96 red lit off Battery charging error capacity 30 96 Description of device 35 BUTTON FUNCTIONS esc button Essentially the esc button has the following functions e Cancel calibrations parameter changes or si
27. cursor further screens can be displayed Active ventilation mode PL Mode PCV 2 Scroll bar i Ventilation parameter Pressure bar only visible i during ventilation Measured values of the running ventilation only visible during ventilation Fig 27 Ventilation set 1 62 Operating the device ACTIVATING THE VENTILATION SET To ventilate the patient with a ventilation set s settings the respective ven tilation set must be activated To do this proceed as follows 1 Activate the desired ventilation set using the cursors lt or 2 Select Activate changes using the cursor V or touch wheel 3 Press the OK button 4 Press the cursor lt to select Yes followed by the OK button Operating the device 63 THE COMFORT SCREEN The comfort screen contains the following basic device settings e Date and time e Volume of alarms e Brightness and contrast of the display In addition the following comfort functions can be set e Heating Level e Automatic Start e Duration of the softstart ramp Softstart e Duration of the mask test Mask Test Time Indication that by pressing the cursor further screens can be T displayed Indication that by pressing the cursor further screens Active can be displayed ventilation mode 30 03 10 06 30 Scroll bar s Adjustable par
28. d alarm sound mute If several of these events occur at the same time pressing the button confirms only one event in the order shown above The alarm button also signals alarms and their priority red flashing HIGH yellow flashing MEDIUM yellow lit LOW or not yet confirmed alarm ON OFF button Start and end ventilation by pressing the ON OFF key Description of device 37 COMMISSIONING Before commissioning the device read the safety information as of 10 onwards A functional test must be carried out before every commissioning see page 88 Before commissioning the ventilation system ventila tor tube humidifier etc check all connections for leaks as well as the stability of the connected acces sories Never operate the device without the air filter Only use original HOFFRICHTER filters If the device was previously in an environment where the air temperature was very different from the operating location you should wait approximately 1 2 an hour before commissioning until the temperatures have evened out SETTING UP THE DEVICE Place the device on a flat and stable surface The device can also be oper ated in an upright position whereby care should be taken that the air inlet at the rear of the device and all ventilation slots are not blocked 38 Commissioning USING THE FUNCTIONAL BAG The device must not be operated bags other than the HOFFRICH TER functional bag T
29. d by persons who have fully read and understood this user s manual before commissioning and have familiarized themselves with the device Disregarding these instructions can lead to life threatening situa tions for the patient In cases of emergency an alternative ventilation option such as second ventilator an emergency ventilation bag must be available at all times and be usable by the attending person The device must only be used on the responsibility prescription of the physician The device must only be used on patients whose clinical picture requires its application Please take the utmost care to ensure that the patient remains connected to the tubing system during ventila tion The device must not be used with flammable anes thetics or ambient air that contains explosive gases This may cause fires or explosions Before being used again on another patient all parts that come into contact with respiratory gas must be hygienically prepared see page 82 The directions given in this user s manual and the applicable regulations of the hospital or nursing home must be adhered to when hygienically preparing and cleaning the device 10 Safety information We recommend the use of the tube systems tested and approved for use by the manufacturer Using other tube systems may lead to differing results When a valve tube system and a nasal or full face mask is used for non invasive ventilation this ma
30. device The use of accessories or power supplies not approved for the ventilator may lead to increased emission of electromagnetic radiation or reduced resistance to interference During certain examinations or treatments mutual interference between the ventilator and other medical devices may occur Observe the information regard ing electromagnetic compatibility and monitor the devices with regard to error free and proper opera tion Do not reach for the device under any circumstances should it fall into water Do not try to open the device Maintenance and repairs may only be performed by personnel autho rized by HOFFRICHTER GmbH Safety information 13 INSTALLATION REQUIREMENTS AND TRANSPORT For operation the device must be placed on a safe level base The air inlet at the rear of the device as well as all ventilation slots must not be blocked display operating display elements must be covered and must be visible at all times No objects must placed the device Place the device in such a way that the mains plug is easily accessible so that it can be unplugged quickly in the event of a hazard The device must not be exposed to direct sunlight The system must never be stored or transported at ambient temperatures under 10 C and over 50 Due to electromagnetic interference the ventilator must not be set up in the immediate vicinity of other devices If th
31. e alarm 89 Checking Frequency too high alarm 89 Maintenance and safety related test SRT 90 Bre ne ee a 91 Dc eed 91 PACKAGING ss s S pe NG 91 SENS Olay thet bot bart bon bast bon bast eee eee ER 91 ACCESSOS 2 92 Technical 93 Manufacturer s declaration on electromagnetic compatibility 95 DIEDMEjuq 99 6 Contents SCOPE OF DELIVERY User s manual and brief instructions Microfibre cloth Functional bag P f CAR AIN 2 SK gt Adapter for oxygen connection straight 93 Spare filter cassette Leakage tube system with pressure measuring tube and 2 plugs fine filter p coarse filter Valve tube system with expiration valve Scope of delivery 7 GENERAL INFORMATION ON USER S MANUAL Read this user s manual through carefully before using the ventilator for the first time Follow the safety and cleaning instructions in particular Keep the manual in a safe place close to the device so that you can refer to it immediately if necessary SYMBOLS ON THE RATING PLATE Observe the warning and safety instructions in the user s manual BF application part Protection class protective insulation i gt gt UU Z Drip proof device CE co
32. e avoided SAFETY RELATED TEST a safety related test or maintenance must be carried out at the prescribed intervals e In order to ensure the operating safety of the device Safety information 17 INTENDED USE AWARNING The use of the device contrary to its intended use can lead to a haz ard to the health of the patient The device is used for pressure controlled respiratory support as well as the ventilation of patients who are not completely dependent on mechani cal ventilation It is suitable for adults and children from a tidal volume of 50 ml onwards and can be used both in the home or clinic The ventilation can be invasive e g via a tracheotomy as well as non inva sive via a mask The device fulfils the technical requirements to be oper ated with a leakage tube system or a valve tube system with expiration valve as required For ventilation with increased oxygen concentrations the device can be connected to a low pressure gas source Furthermore itis also possible to combine the device with the AquaTREND uni plug in humidifier or during invasive ventilation with an external humidifier 18 Safety information CONTRAINDICATIONS A WARNING Respiratory therapy contraindicated for certain pre existing conditions The following conditions may be a contraindication for non invasive ven tilation e Severe cardiac arrhythmia e Severe hypotension e Severe epistaxis e Pneumothora
33. e relevant customer services department to find out how to dis pose of the device etc properly Proper disposal saves natural resources and prevents harmful substances being released into the environment PACKAGING The packaging is taken back by the distributor but it can alternatively be disposed of separately with the normal household waste OXYGEN SENSOR The oxygen sensor must not be disposed of with the household waste Please contact the relevant customer services department to find out how to dispose of the device etc properly Disposal 91 ACCESSORIES Functional bag 0001 4875 Power supply cable approx 1 80 m 0001 4510 Mains cable approx 1 80 m 31100023 Valve tube system 22 mm 1 80 m 0000 7967 Leakage tube system with pressure measuring tube and 0000 7116 2 plugs 22 mm 1 80 m Filter cassette complete 0000 4880 Coarse filter pack of 2 0000 4950 Fine filter pack of 5 0000 4951 Oxygen connection adapter straight 4100 0104 Microfibre cloth User s manual for patients 5000 0397 Patient brief instructions 5000 0405 FiO2 measuring set oxygen sensor T adapter housing 0000 4021 gas duct oxygen sensor connection cable Oxygen sensor 2300 0018 T adapter 2300 0019 Housing gas duct 2300 0020 Oxygen sensor connection cable 0000 4115 Oxygen connection adapter angled 4100 0087 AKKUPACK uni incl accessories in preparation AKKUPACK CARAT incl accessories 0000 4030 Remote alarm box 0000 4035 92 Accessor
34. emperature 5 C to 50 C Relative humidity 10 to 95 Air pressure 600 hPa 1100 hPa Storage temperature 10 C to 60 C Storage conditions Store in a dry vibration free place in an upright position store device and acces sories in their original packaging Technical requirements for accessories CE mark required Oxygen inlet Connection type Quick connect coupling Pressure lt 1000 hPa Flow 15l min Bacterial filter Connections 22 15 mm cone acc to EN1281 1 Resistance lt 2 8 hPa at 60 l min Compressible volume lt 66 Internal volume lt 200 ml 94 Technical data CE marking as per EC directive 93 42 EEC The manufacturer reserves the right to make technical changes without notice MANUFACTURER S DECLARATION ON ELECTROMAGNETIC COMPATIBILITY Guidance declaration electromagnetic emissions The TRENDvent ventilator is intended for use in the electromagnetic environment specified below The user of the TRENDvent ventilator should assure that it is used in such an environment Emissions test RF emissions acc to CISPR 16 1 2 RF emissions acc to CISPR 16 1 2 Harmonic emissons acc to IEC 61000 3 2 Voltage fluctuations flicker emissions acc to IEC 61000 3 3 Compliance Group 1 Class B Class A Complies Electromagnetic environment guidance The TRENDvent ventilator uses RF energy only for its internal func tion Therefore RF emis
35. environment Mains power quality should be that of a typical commercial or hospital environment Manufacturer s declaration on electromagnetic compatibility 95 Guidance declaration electromagnetic immunity IEC 60601 Test level Immunity test Voltage dips short interruptions and voltage variations on power supply input lines acc to IEC 61000 4 11 Power frequency 50 60 Hz magnetic field acc to IEC 61000 4 8 Conducted RF acc to IEC 61000 4 6 lt 5 gt 95 96 dip in U for 0 5 cycle 40 96 Uz 60 dip in for 5 cycles 70 30 96 dip in Up for 25 cycles 5 95 96 dip in U7 for 5 s 3 A m 3 Verective value 150 kHz 80 MHz 96 Manufacturer s declaration on electromagnetic compatibility Compliance level 95 96 dip in for 0 5 cycle 60 96 dip in U for 5 cycles 30 96 dip in for 25 cycles gt 95 dip in for5s 3 A m 3V Electromagnetic environment guidance Mains power quality should be that of a typical commercial or hospital environment If the user of the TRENDvent ventilator requires continued operation during power mains interruption it is recommended that the TRENDvent ventila tor is powered from an uninterrupted power supply UPS or a battery Power frequency magnetic fields should be at levels characteristic of a typical location in a typical commercial or hospital environment Portab
36. equency In addition the actual patient flow is calculated by subtracting the leakage flow If an oxygen sensor is present the oxygen content of the inspiration air FiOo is measured The pressure or flow sensor detects the patient s spontaneous respiration and sets off the triggers which compensate mask leaks The sensitivity of the trigger is adjustable The inspiration trigger is a pressure or volume trigger The expiration trigger is a flow trigger which is set as a percent age of the maximum inspiration flow How the device works 25 Alarms The alarm conditions are continuously checked In the event of an alarm an alarm tone sounds and the corresponding message appears on the display The alarm button also lights up depending on the priority of the alarm If the alarm conditions are no longer present the alarm sound is switched off The message is displayed until the alarm is confirmed by pressing the alarm button on the display All alarms are saved in the device For further information about the alarms refer to Alarms and error mes sages as of page 75 NURSE CALL AND REMOTE ALARM To monitor the device during ventilation the optionally available remote alarm box or in hospital nurse call can be connected to the rear of the device See page 33 in order to forward the alarms 26 the device works Table 1 Valve tube system ventilation modes Table 2 Leakage tube system ventilation modes VENTILATION MO
37. he functional bag is optionally available from HOFFRICHTER as an accessory In order to ensure the operating safety the following instructions must be adhered to Set the alarm sound to maximum volume Make sure that the alarm button is visible through the viewing window and that the bag s ventilation openings are not blocked The air supply for the device must be guaranteed at all times Use the bag in such a way that the device is protected from overheating dust and water All accessories connected such as tube filter supply lines etc must be arranged such that they cannot lead to any impedance or malfunction of the device Commissioning 39 POWER SUPPLY The ventilator can be supplied with power from 3 different sources e Power supply from power socket e Internal battery e External battery pack optional accessory The ventilator automatically detects which power sources are available If the device is connected to an external voltage source via the power sup ply unit this is always used first and then the internal battery The current power source is indicated by the corresponding LED MAINS OPERATION NOTICE Only the power supply cable supplied used for operating the device from the mains 1 2 3 4 Insert the power plug into the mains socket on the rear of the device Connect the mains cable to the power supply Plug the mains cable into a power socket The power LED lights up green
38. his interface enables the PC software VENTcontrol to be used to communicate with the device and software updates can be carried out There is also a con nection for the nurse call or a remote alarm box For servicing the device has an RS232 interface 24 the device works HOW THE DEVICE WORKS The function of the TRENDvent ventilator is based on a control mecha nism which adjusts the power of the blower to the air output required for therapy in a closed loop The blower power is controlled by the signal of the respiratory pressure and the signal of the inspiration flow Starting the device initialization When the device is started the parameters are read from the memory EEPROM and checked for validity The pressure the flow sensor and the acoustic alarm are also tested In the event of an error the error detection is saved and shown on the screen The calibration data is loaded from the EEPROM and tested for validity If an oxygen sensor is connected it is calibrated against the ambient air Parameter measurement The device s analog measurements are read in and analyzed Target val ues are calculated on the basis of the set parameters and or ventilation modes Then the target values are transferred to the motor control via a digital to analog converter DAC The proximal pressure the valve control pressure and inspiration flow are measured This data is used to calculate the inspiration volume and respiratory fr
39. ient air This presumes an oxygen con tent of 21 96 If the sensor is connected after the device is started the message Calibrate O2 Sensor appears on the display The calibra tion of the oxygen sensor must now be started manually 1 Ensure that the device is in standby mode 2 Press the OK button Start O2 Sensor Calibration appears on the display 3 Press the OK button After successful calibration appears after several seconds If calibration was not successful Error appears In the event of error repeat the calibration Should this not be successful exchange the oxygen sensor IMPORTANT If the contact between the oxygen sensor and the device is inter Fig 23 Oxygen sensor connection rupted for more than 10 seconds the O sensor calibration must be carried out again Commissioning 53 54 NOTICE Oxygen sensors have a limited durability A durability of 15 months after the date of manufacture applies for oxygen sensors supplied by HOFFRICHTER The service life of the sensors is 6 months After that the oxygen sensor must be replaced by a new one The date of manufacture can be found on the oxygen sensor For the longest possible sensor service life we recommend storage at 15 to 4 5 C Commissioning OPERATING THE DEVICE OPERATING CONCEPT The device is operated via the controls on the operating unit The principal operating structure is represented in the fol lowing fig
40. ies TECHNICAL DATA Power supplies Mains operation 100 240 V AC 20 96 10 96 50 60Hz DC operation 24VDC 5A Internal battery operation Lithium ion battery 28 8 V nominal voltage 2 25 Ah External battery operation AKKUPACK CARAT 25V nominal voltage 7 Ah AKKUPACK uni in preparation Maximum power consumption 90W Electrical protection Class 11 type BF Comfort parameter settings Factory settings Settings range Settings steps Display brightness 1096 O to 100 96 1096 Display contrast 5 1to 10 1 Level Alarm volume aii 210 quiet mti medium loud Softstart OFF OFF 1 to 60 min 1 min Mask test time OFF OFF 5 to 90 sec 5 sec Start automatic OFF OFF ON Heating level 3 IRONS 1 Level Specifications and performance Dimensions W x D x H 330x280x115 mm Weight 4 2kg Max stable limit pressure 60 hPa Min stable limit pressure O hPa Max working pressure 40 hPa Min working pressure OhPa Max flow 200 l min Technical data 93 Sound pressure range audible alarm signal at 1 distance Lowest value gt 71 ABA setting Medium value gt 75 dBA setting i Highest value gt 77 ABA setting um Resistance at 60 l min Inspiratory and expiratory resistance Leakage tube system 2 6hPa of the device at the patient connection port Valve tube system 3 4 hPa Total resistance of the system 6hPa Operating transport conditions Operating t
41. ig 5 PSV mode diagram Fig 6 CPAP mode diagram PSV S MODE The PSV S mode corresponds to the adjustable ventilation parameters of the PSV mode As the frequency is set to OFF the trigger is only released when the patient breathes spontaneously The apnea limit automatically becomes an alarm parameter IMPORTANT In this setting the device only reacts to the patient s spontaneous respiration CPAP MODE In the CPAP mode the device provides continuous positive pressure A IPAP 5 8 40 gt S MODE In its adjustable ventilation parameters the S mode corresponds to the PSV S mode T MODE In its adjustable ventilation parameters the T mode corresponds to the PCV mode and with a set inspiration trigger to the APCV mode ST MODE In its adjustable ventilation parameters the ST mode corresponds to the PSV mode Ventilation modes 31 DESCRIPTION OF DEVICE HOUSING DISPLAY AND CONTROL ELEMENTS Display Unlocking button Operating unit for humidifier Connection for tube system humidifier Contact sockets Handle for humidifier Oxygen sensor cable connection jack 2 5 Control tube connection connection 4 5 mm Oxygen Pressure measuring output tube connection 2 3 5 mm Fig 7 Front view of device 32 Description of device Tube system switch Sign for power supply Main swit
42. is is unavoidable the ventilator must be monitored with respect to error free and proper operation 14 Safety information INSTRUCTIONS BEFORE COMMISSIONING A functional test must be carried out each time before commissioning see 88 At temperatures below 5 and over 50 the function of the device may be impaired Do not use the device if the housing or the cable of the device the power supply damaged The ventilation system including all accessories such as humidifiers bacterial filters etc must be checked for leaks before ventilation Leaks may lead to per sonal injury or inadequate therapy Clean and check all accessories regularly particularly the tube mask system When doing this observe the manufacturer s safety and cleaning instructions Safety information 15 USING OXYGEN Oxygen only supplied the prescription of a physician An excessive oxygen supply can lead to serious complications for the patient Oxygen supports combustion Therefore observe the fire protection regulations applicable for using oxygen Ensure that the oxygen fittings as well as all ports and surfaces near the oxygen lines are free of grease Do not smoke and do not handle naked flames When using oxygen an increased oxygen concentration in the ambient air can occur If the patient is supplied with oxygen via the device the FiO should be measured Please be sure to obser
43. l HOFFRICHTER filters CLEANING THE DEVICE For cleaning the surface of the device use a cloth moistened with soapy water Then wipe with a cloth moistened with clear water in order to remove any remains of the soapy water The device must be completely dry before commissioning Cleaning and disinfection 83 CLEANING THE COARSE FILTER The coarse filter must be cleaned once a week To do this proceed as follows 1 Pull the cover of the air inlet from the device as shown in Fig 45 2 Slide the filter cassette out from the cover of the air inlet as shown in Fig 46 3 Remove the coarse filter black from the filter cassette 4 Clean the filter with mild soapy water Do not use any other agents 5 Rinse the filter thoroughly with clear water 6 Let the filter dry completely in the air Instead of cleaning the filter you can insert a new one or replace the entire filter cassette with a new one The white fine filter cannot be cleaned It should be inspected visually weekly and replaced monthly or more frequently if heavily soiled To do this proceed as follows 1 Pull the cover of the air inlet from the device as shown in Fig 45 2 Slide the filter cassette out from the cover of the air inlet as shown in Fig 46 3 Remove the coarse filter black from the filter cassette 4 Remove the fine filter and replace it with a new one 84 Cleaning and disinfection Fig 45 Pulling out the air inlet cover
44. le and mobile communications equip ment should be used no closer to any part of the TRENDvent ventilator including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended safety distance 1 16 VP Guidance manufacturer s declaration electromagnetic immunity Radiated RF acc to IEC 61000 4 3 3 V m 3 V m d 1 16 VP for 800 MHz to 800 MHz 80 MHz 2 5 GHz d 2 33 VP for 800 MHz to 2 5 GHz with P as the rated maximum output power of the transmitter in watts W according to the transmitter s manufacturer and d as the recommended safety distance in meters m Field strengths from fixed RF transmitters as determined by an electromagnetic site sur vey 8 should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equip ment marked with the following symbol o Note 1 Ur is the mains alternating current before application of the test level Note2 At 80 MHz and 800 MHz the higher frequency range is essential Note3 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people The field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted
45. let Device connection Valve control tube for the expiration valve Pressure measuring tube Connect the valve tube system as follows 1 Ensure that the device has been set up for the use of a valve tube system see page 43 2 Attach the ventilation tube with the device connection side to the device s tube connection 3 Attach the valve control tube for the expiration valve to the control tube connection X 4 Attach the pressure measuring tube to the pressure measuring tube connection 1l IMPORTANT When a nasal or full face mask is used for non invasive ventilation this mask must not contain an expiration opening Fig 16 Valve tube system connection 44 Commissioning Fig 17 Leakage tube system connection CONNECTING THE LECKAGE TUBE SYSTEM Connect the leakage system as follows 1 Ensure that the device has been set up for the use of a leakage tube system See page 43 2 Attach the leakage tube system with the device connection side to the device s tube connection 3 Attach the pressure measuring tube to the pressure measuring tube connection 1 The leakage system must always provide the possibility for exhalation Exhalation may either be possible via a respiratory mask with an integrated exhalation valve or a separate exhalation system The expiration valve must be open during ventilation Ensure that the opening is not covered as the expiration
46. ly with frequency OFF Leakage greater than set leakage volume too great for 3 breaths or flow greater 1 21 5 in CPAP mode Tidal volume greater than Max Volume Tidal volume smaller than Min Volume Measured FiO greater than set Max Oxygen Measured FiO lower than set Min Oxygen In ventilation with valve tube sys tem no expiration valve present or expiration valve is not open Tidal volume smaller than set minimum volume Additional volume insufficient 15s or 3 breaths consecutively 15s or 3 breaths consecutively 3 breaths consecutively none 3 breaths consecutively 3 breaths consecutively none none 3 breaths consecutively none Alarms and error messages 77 ERROR MESSAGES FIXED ALARMS HARDWARE ERRORS Hardware errors are also shown in the status screen Pressure Sensor MEDIUM Temperature MEDIUM Sensor Flow Sensor MEDIUM Operating MEDIUM Voltage Sensor LOW Calibration data LOW RTC Flash Parameter 78 Alarms and error messages Offset values of the sensor are outside valid range Sensor defective or not connected Value of the sensor is outside valid range Sensor defective or not connected Values outside valid ranges x 5 96 except backup battery Offset values of the sensor are outside valid range Incorrect calibration data Value range infringement in time Error in Flash memory E
47. m start fail to be completed suc cessfully the device must not continue to be used Please notify the service agency in such a case The connection of accessories or other components to the respiratory system of the ventilator can lead to increased expiratory pressure at the patient connec tion opening Please ensure that the total resistance of the ventila tion system does not exceed 6 hPa with a flow of 60 l min for adults and 30 for children modification the device poses threat its serviceability and is not permitted Masks may only be used on the prescription of a physician and after training by qualified medical staff The intake of medicines and possible contraindica tions and side effects associated with the use of the prescribed mask should be clarified When the device is used in mobile operation the power must supplied by AKKUPACK uni or AKKU PACK CARAT Please note the operating transport and storage conditions 12 Safety information ELECTRICAL SAFETY Do use electrically conductive cally chargeable patient tubes The device must never be put near other devices or equipment such defibrillators diathermy units mobile phones microwaves remote controlled toys etc Electromagnetic fields that exceed 10 V m may adversely affect the operation of the ventilator Only the power supply cable supplied may be used for operating the
48. milar The set values are not applied The old values are retained e Cancel marking a parameter e Switching the display to the superordinate screen up to the patient Screen e In the curve screen return to the patient screen Touch wheel Use the touch wheel to navigate in a rotary motion through the menus and to the menu items The touch wheel can also be used to change parameter values Cursor buttons Use the cursor buttons to navigate through the menus and menu items by touch The cursor buttons can also be used to change parameter values OK button Use the OK button to select menu items and confirm parameter changes Pressing the OK button in the patient screen displays the curve screen Heating button The heating button switches the humidifier heating on and off The heating button also provides information about the status of the heating green lit Heating on green flashing Heating in Standby mode white lit Heating off white flashing Heating deactivated by battery operation 36 Description of device ESC Table 5 Heating button Table 6 Alarm button functions Table 7 Alarm button Alarm button The alarm button has a number of functions Confirmation of a power failure alarm Power failure Confirmation of all current alarms and Active alarms switching alarm sound off Confirmation of no longer active alarms Saved alarms Supressing the alarm sound for 2 min None Cancel alarm sound suppression Pause
49. nformity declaration N Manufacturer Do not dispose of the device with the household waste Please contact the relevant customer services department to find out how to dispose of the device properly Lt 8 General SYMBOLS USED IN THIS USER S MANUAL Important information is denoted by symbols in this user s manual Be sure to follow these instructions in order to avoid accidents personal injury and material damage In addition the local accident prevention regulations and general safety regulations in force in the area of use must be observed This symbol denotes general safety instructions Follow these instruc tions to avoid accidents personal injury or material damage A DANGER This symbol denotes hazardous situations that lead to serious inju ries or death This symbol denotes hazardous situations that may lead to serious injuries death CAUTION This symbol denotes hazardous situations that may lead to moder ately severe injuries NOTICE This symbol denotes situations that may lead to material damage or damage to the device IMPORTANT This symbol denotes information tips and instructions for the effi cient error free use of the device General 9 SAFETY INFORMATION GENERAL SAFETY INSTRUCTIONS Only qualified trained specialist medical staff under the supervision of a physician may make adjust ments to the ventilator The device must only be use
50. ntinues to visually indicate the alarm even while the alarm sound is suppressed If the cause of the alarm is not remedied the alarm sounds again after 2 minutes The alarm sound can be suppressed even before the occurrence of an alarm situation by pressing the alarm button e g before briefly discon necting the tube system from the device for suction Once the cause of the alarm is remedied the alarm sound can be reactivated within the 2 minutes by pressing the alarm button again IMPORTANT The alarm for Internal Battery empty cannot be muted in battery operation 76 Alarms and error messages Table 10 Adjustable alarms alarm messages ADJUSTABLE ALARMS The parameters for the alarms shown in Table 10 will be adjusted by the physician Alarm parameter Priority Cause Time delay alarm message Pressure Difference Pressure too high Pressure Difference Pressure too low Max Frequency Frequency too high Apnea Leakage Max Volume Volume too high Min Volume Volume too low Max Oxygen Oxygen too high Min Oxygen Oxygen too low Check Expiration Outlet Minimum Volume not reached HIGH HIGH HIGH HIGH HIGH HIGH HIGH MEDIUM MEDIUM MEDIUM Note Positive pressure deviation greater than set deviation Negative pressure deviation greater than set deviation Measured frequency greater than Max Frequency Set apnea time exceeded on
51. o SWITCHING ON THE HEATING To switch on the humidifier s heating press the heating button function description see page 36 The color of the heating button changes from white to green If the heating is in standby mode heating button flashing green and you start ventilation the heating is automatically started IMPORTANT You can switch on the heating before starting ventilation in order to preheat the water SWITCHING ON THE HEATING To switch the heating off press the heating button The color of the heat ing button changes from green to white If the humidifier is in heating mode during ventilation and you stop ven tilation the humidifer s heating automatically switches to standby mode heating button flashes green As soon as you start the ventilation the heating is also re activated Commissioning 51 USING OXYGEN AWARNING Before using oxygen the safety instructions as of page 16 must be read The supply of oxygen is possible in all ventilation modes Please note that changes to the ventilation parameters such as e g respiratory pressure I E respiratory frequency will lead a change in FiO2 content NOTICE Oxygen may only be supplied during active ventilation SUPPLYING OXYGEN 1 Connect the tube from the oxygen source to the oxygen connection adapter 2 Insert the oxygen connection adapter into the oxygen connection 8 Only the oxygen connection adapter supplied
52. olume Brightness 100 Dp 20 2 hPa f 12 bpm WS 0 45 cc 1 1 5 Fig 37 Setting the contrast of the display THE ALARM SCREEN You can view the alarm memory in the alarm screen For more informa tion about the alarm memory please refer to Saving alarms page 82 Indication that by pressing the Date and time of cursor further screens can be selected alarm displayed Active can be displayed Indication that by pressing d the cursor further screens ventilation mode PCI EG Total alarms Location where alarm shown is saved Alarm cause Measured values at time of alarm Pressure bar only visible in during ventilation Measured values of the run ning ventilation only visible during ventilation Fig 38 Alarm screen Operating the device 71 THE COUNTER SCREEN The counter screen contains the running times for ventilation the device and the blower Indication that by pressing the cursor further screens can be displayed Indication that by pressing the cursor further screens Active can be displayed Ventilation Hour Ventilation running time since last reset Total ventilation time Total device running time Blower running time Pressure bar only visible S during ventilation Measured values of the running ventilation only visible during ventilation Fig 39 Counter screen 72 Oper
53. om switch ing to the curve and patient screens no actions can be carried out if the safety lock is activated Changing the ventilation parameters in the curve screen is also not possible IMPORTANT The safety lock can only be activated and deactivated in the patient screen ACTIVATING THE SAFETY LOCK The safety lock can be activated manually or automatically after a defined period of time Manual activation of the safety lock 1 Press the esc button appears alternating in the symbol area 2 As long as the symbol is visible press the OK button Thereupon remains visible and the safety lock is active If you do not press the OK button the symbol disappears after several seconds without the safety lock being activated and jg is then active again DEACTIVATING THE SAFETY LOCK 1 Press the esc button appears alternating in the symbol area 2 While the symbol is flashing press the OK button The symbol subse quently disappears and the safety lock is deactivated and gy active again 56 Operating the device THE PATIENT SCREEN During normal operation the patient screen is shown on the display Dur ing ventilation the pressure bar provides constant information about the pressure profile Additionally all relevant information such as alarms bat tery capacity status information etc is displayed IMPORTANT If no controls are actuated for 30 seconds the device automatically switches back to the pa
54. reezing the curve 61 SEALING THES time axis ud e e I e n e 61 Changing the measured value 61 The ventilation Sets eere et rbv tet ette eae 62 Activating the ventilation aaao aoa 63 Ihe comfort screen iilii 64 Changing Me 65 Changing the tine endete e e a e bs 65 Setting the automatic 1 66 Setting the softstart time ae 67 Setting the mask test 68 Starting the mask 1 68 Setting the volume of the alarms 69 Setting the brightness of the 70 Setting the contrast of the display 70 Tie alarm screen cn tear M a o a Hn 71 TNE counter SCr 8n si iiit it LU Ea 72 Mie servic Screen EC RU BOE ORM tot t 7 Te SD QU NON 74 Alarms and error 75 OG 75 Visual 75 Acoustic alar Mg 76 S uppressing ose tae 76 Adj stable s RR mta 77 Error messages fixed alarms 78 Hardware errors cec A e e m e t ata 78 F rtlier er
55. rmation on connecting and handling the device please refer to the respective user s manual 42 Commissioning Fig 10 Fig 11 Message Battery Operation AKKUPACK CARAT SETTING THE TUBE SYSTEM The device is suitable for use with a valve tube system as well as for use with a leakage tube system Before using the device for the first time or if switching to a different tube system the type of tube system to be used must be set on the device To do this proceed as follows 1 Ensure that the device is switched off 2 Remove the cover for the air inlet by gripping the cover from below and pulling it from the device see Fig 12 3 Set the switch to the correct position For the use of a valve tube system place the switch by gently lifting and turning into the lower position See Fig 13 For the use of a leakage tube system place the switch by gently lifting and turning into the upper position see Fig 14 4 Replace the cover for the air inlet Fig 12 Removing the air inlet cover Fig 13 Switching to Fig 14 Switching to valve tube system leakage tube system When you switch the device on after switching to a different tube sys tem the display indicates which tube system is active Press the OK button to reach the patient screen Commissioning 43 CONNECTING THE VALVE TUBE SYSTEM b The valve tube system consists of C Ventilation tube Expiration valve Patient connection Air out
56. ror messages oce doo a o dtd n 79 Fixed alarms for power supply 80 e ete ett ubere enc eee 81 SAVING alarms serie 82 Reading out the alarm memory on the 82 Forwarding alarms EE ii 82 Cleaning and 83 Cleaning the 83 Contents 5 Gleaningithe Coarse filter b ud uu d ts 84 Gleaning thesmaskos eese eed dette tede te be eee pee e pete ep pete 85 Gleanirig the tUbe Systetfi aeneo ee e Ne Ne NN 85 Valve tube Syster eR UN UN 85 L eakage tube Systems reete tete too E sees 86 Cleaning the oxygen 0 eee 86 Gleaning ae bbs 86 Changing the bacterial cei acie SBE SSBB RRR eicit 86 Preparing the device when changing 87 88 Checking the acoustic alarm 88 Checking the alarm button 88 Checking the 4 88 Checking the status screen for errors 89 Checking the Battery operation alarm 89 Checking the leakag
57. round light of the display is dimmed 30 sec onds after touching a button or the occurence of an alarm You can set this value as follows Activate the comfort screen using the cursors lt or Select Brightness using the cursor V or touch wheel Press the OK button Set the desired value using the cursors or V or the touch wheel You can set the brightness to OFF or select a value between 10 and 100 96 5 Confirm the settings using the OK button Pons When an alarm occurs or a button is pressed the background brightness is automatically increased to 100 SETTING THE CONTRAST OF THE DISPLAY The contrast is the brightness ratio between the display background and elements such as text symbols diagrams etc Activate the comfort screen using the cursors lt or Select Contrast using the cursor V or touch wheel Press the OK button Set the desired value using the cursors or V or the touch wheel Values between 1 to 10 are possible The best contrast is achieved in the middle settings range 5 Confirm the settings using the OK button SM 70 Operating the device PCY Heating Level Automatic Start OFF Softstart 15s ii Mask Test Time 05 d Alarm Volume FT Em Contrast 6 i B 0 WR 0 45 115 Fig 36 Setting the brightness the display PCV MNA Heating Level 5 Automatic Start OFF Softstart Mask Test Time 25 Alarm V
58. rror in RAM memory Value range infringe ment or test number infringement in param eters Device must be serviced Device must be serviced Device must be serviced Device must be serviced Replace oxygen sensor Device must be serviced Device must be serviced Device must be serviced Device must be serviced Check parameters as after this message the default parameters are used if message occurs frequently device must be serviced Table 11 Fixed alarms software errors FURTHER ERROR MESSAGES Error Priority Cause Remedy message Device Error Check Tube System Switch Check Expiration Valve Incorrect Tube System Check Measuring Tube Error Pres sure Sensor Error Flow Sensor Stenosis Excess Pressure HIGH HIGH HIGH HIGH HIGH HIGH HIGH HIGH HIGH General error communi cation to operating con troller interrupted or error detected in motor control Setting of switch for tube System was changed during ventilation Expiration valve does not allow respiratory air to escape Incorrect tube system con nected leakage tube Incorrect tube system connected valve tube Pressure difference to 2nd pressure sensor greater 3 hPa 15 s Offset outside range Calibration error Pressure constant over long period 15 s Pressure constant over long period 15 s Measured tidal volume lower than 30 xml Flow constant over long period
59. sequently goes out After switching on the device is in standby mode If using oxygen during ventilation observe the chapter Using oxygen on page 52 48 Commissioning SWITCHING THE DEVICE OFF 1 Stop ventilation by pressing the ON OFF button A signal sounds and the display shows the query Switch OFF Ventilation 2 Press the cursor lt to select Yes followed by the OK button Sub sequently a signal sounds 3 times and the ventilation stops 3 Switch the ventilator off using the main switch on the rear of the device setting O IMPORTANT After switching off all parameters set are retained If you switch off the device during running ventilation a signal sounds and the display shows the query Switch OFF Ventilation i Yes Continue ventilation 1 Press the OK button The message ATTENTION Main Switch OFF appears 2 Switch the ventilator on again using the main switch Stop ventilation 1 Press the cursor lt to select Yes 2 Press the OK button Subsequently a signal sounds 3 times and the ventilation stops Commissioning 49 STARTING VENTILATION AWARNING The expiration valve must be open during ventilation Ensure that the opening is not covered as the expiration air can otherwise not escape and thereby hinder ventilation 1 Switch the ventilator on 2 Press the ON OFF button Ventilation starts The ON OFF button lights up green
60. sions are very low and are not likely to cause any interference in nearby electronic equipment The TRENDvent ventilator is suitable for use in all establishments including those directly connected to the public low voltage power supply network that supplies buildings used for domestic purposes Guidance declaration electromagnetic immunity The TRENDvent ventilator is intended for use in the electromagnetic environment specified below The user 1 of the TRENDvent ventilator should assure that it is used in such an environment Immunity test Electrostatic discharge ESD acc to IEC 61000 4 2 Electrical fast transient burst acc to IEC 61000 4 4 Surge acc to IEC 61000 4 5 IEC 60601 Test level 6 contact 8kV air 2 kV power supply lines 1kV input output lines 1 kV voltage outer conductor outer conductor 2 kV voltage outer conductor ground Here user is meant in the sense of Responsible Organization Compliance level 6 contact 8kV air 2kV power supply lines 1kV input output lines 1 kV voltage outer conductor outer conductor 2 kV voltage outer conductor ground Electromagnetic environment guidance Floors should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 30 Mains power quality should be that of a typical commercial or hospital
61. sk must not contain an expiration opening Always ensure that when using a leakage tube sys tem the small aperture in the mask or the connecting piece between the mask and the tube is clear so that the CO laden exhaled air can escape When using a valve tube system the controlled expiration valve must not meet any resistance during exhalation and must enable quick ventilation of the ventilation tube system Please observe the expiration date when using a bacterial filter In order to ensure patient safety the device must be operated in such a way that all adjustable alarms are activated and adjusted to the patient Acoustic alarms must ignored They indicate conditions that require an immediate reaction In case of extraordinary efforts on the patient s part there is a risk of hyperventilation in all ventilation modes with inspiration triggering The device s housing provides only minimal protec tion against water penetration The device must not be steam sterilized in an auto clave Safety information 11 Filters and other parts that are connected to the device must regularly replaced Dispose of the replaced parts according to the regulations for used medical material and or the local environmental protection rules A device that is not functioning properly may endanger the patient or operator If the device does not start properly or if the self tests automatically performed on syste
62. st be used and should be checked by an authorized service technician The tube system to be used and a test lung optional accessory are required for the functional test 1 Connect the tube system and the test lung to the ventilator 2 Connect the device to the mains power as described in the chapter Power supply as of page 40 3 Switch the ventilator on using the main switch on the rear of the device setting I 4 Start ventilation by pressing the ON OFF key CHECKING THE ACOUSTIC ALARM Switch the ventilator on using the main switch on the rear of the device setting I A signal must sound CHECKING THE ALARM BUTTON LIGHT After the device is started it carries out a self test of the alarm button The button must light up in the following order white gt red gt yellow gt white The light subsequently goes out CHECKING THE DISPLAY Switch through all screens and check that all display elements are pres ent and legible and that the display s lighting is functioning If necessary check the Contrast and Brightness settings see page 70 88 Functional test Operating Voltage Pressure Sensor Fig 47 Status screen with error message 2 PE v 0 45 CHECKING THE STATUS SCREEN FOR ERRORS When the device is started it carries out a self test If any errors are detected the status screen is automatically displayed see Fig 47
63. t use any other agents 4 Rinse the leakage tube thoroughly with clear water 5 Let the leakage tube dry completely the air CLEANING THE OXYGEN SENSOR When necessary clean the oxygen sensor with a damp cloth Before recon necting the oxygen sensor leave it to dry completely in the air NOTICE Do not use any cleaning solution and do not sterilize the oxygen sensor CLEANING THE HUMIDIFIER Clean or disinfect the AquaTREND uni humidifier according to the user s manual When using other humidifiers the manufacturer s instructions must be observed CHANGING THE BACTERIAL FILTER The bacterial filter must be exchanged according to the manufacturer s stated intervals 86 Cleaning and disinfection PREPARING THE DEVICE WHEN CHANGING PATIENT AWARNING Before the device is used on another patient it must be so compre hensively cleaned and disinfected that it is free of human pathogens If MRSA contamination is suspected the device must packaged with the appropriate labeling and disinfected accordingly IMPORTANT If the accessories e g tube system mask filter humidifier etc are intended for repeated use the manufacturer s provisions must be followed The hygienic repreparation is described in the service manual and may only carried out by an authorized service agency Cleaning and disinfection 87 FUNCTIONAL TEST Until all tests have been passed the device mu
64. terial filter IMPORTANT Change the bacterial filter daily and follow the manufacturer s user s manual If the optionally available AquaTREND humidifier is used during ventilation a bacterial filter may not be used CONNECTING THE REMOTE ALARM BOX NURSE CALL 1 Pull off the rubber cover on the rear of the device 2 Attach the remote alarm box nurse call to the middle socket b If a remote alarm box is connected the remote alarm LED c lights up red when an alarm occurs The light indicates that the alarm has been forwarded to the remote alarm box Commissioning 47 SWITCHING THE DEVICE IMPORTANT An sound must be emitted when the device is switched on If this is not the case the device must not be used and should be checked by an authorized service technician The tube system may already be connected when the device is started but not yet connected to the patient Switch the ventilator on using the main switch at the rear of the device position 1 e A signal sounds e hardware test is carried out internally and the parameters are tested for plausibility If the hardware test is successful the device Switches to the patient screen e n case of an error the status screen is displayed and the error is indicated by the display Error e The device carries out a self test of the alarm button The button lights up in the following order white red yellow white The light sub
65. theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the mea sured field strength outside the location in which the TRENDvent ventilator is used exceeds the compliance level the TREND vent ventilator should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as re orienting or relocating the TRENDvent ventilator b Over the frequency range from 150 kHz to 80 MHz the field strength should be lower than 10 V m Manufacturer s declaration on electromagnetic compatibility 97 Recommended separation distances between portable mobile communication equipment the TRENDvent ventilator TRENDvent ventilator is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The user of the TRENDvent ventilator can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the TRENDvent ventilator as recommended below accord ing to the maximum output power of the communications equipment Rated maximum output power Separation distance according to frequency of transmitter m of transmitter W 150 kHz 80 MHz 80 MHz 800 MHz 800 MHz 2 5 GHz 1 16 d 21 16 d 2 33 0 01 0 12 0 12 0 23 0 1 0 37 0 37 0 743 1
66. tient screen In the curve screen the switch only occurs in case of an alarm Active ventilation mode PCY Standard display area Pressure bar Symbol area Time Fig 25 Patient screen Operating the device 57 SYMBOL AREA symbol Meaning 58 The symbol indicates the remaining capacity of the internal battery The battery is charged during mains operation The constantly filling battery display indi cates that the battery is charging The device is set for operation with a valve tube sys tem see page 43 The device is set for operation with a leakage tube System see page 43 The alarm sound has been muted for 2 min The alarm sound of any new alarm is also muted until the 2 min have expired Pressing the alarm button can deactivate the alarm sound before an alarm is triggered Pressing the button once more activates the alarm sound again when an alarm occurs The safety lock is active The safety lock is inactive A continuous change from a closed to an open lock means that the safety lock can be either activated or deactivated For further information refer to page 56 onwards Operating the device Table 8 Symbol area Symbol 000 Once this symbol appears the device may only con tinue to be operated for a maximum of 450 hours Then the blower must be exchanged by Service at the latest after a running time of 15000 hours see counter screen gt Blo
67. ure As soon as your hand comes near to the operating unit the control elements and the display light up Patient screen Curve screen un T lile ele ly de or on alarm Edi to last active screen Ventilation sets Comfort screen Alarm screen Counter screen Service screen Status screen Ventilation Hours Therapy Hours IPAP 20 0 Heating Level 5 Volume too low Standby Hours PEEP 5 Ones pre 3 0 Blower Service Date 30 03 10 Time 06 30 Alarm Activate changes 12 29 03 10 06 30 Mode Automatic Start OFF Softstart 15 Mask Test Time 95 Alarm Volume at 12 20 12 bom pex 20 2 12 tom 20 2 12 von 20 2 12 bon ve 1 15 v 0 45 1 1 1 5 v 0 45 1 1 5 Jy 0 45 1 1 5 v 0 45 1 1 5 4 P ade 4 A E Fig 24 Operating concept Frequency 12 Inspiration Time 2 O seo 1 1 1 v 0 15 c 12 iE Parameter Operating Voltage Pressure Sensor luu Ea NES Operating the device 55 CHANGING SCREENS Press the cursors lt or to switch to the previous or next screen If the patient screen is active pressing the cursors lt or displays the last screen selected SAFETY LOCK To protect against accidental or unauthorized alteration of the ventilation and alarm parameters the device features a safety lock Apart fr
68. ve the user s manual of the manufacturer or distributor from whom you obtain the can be measured using the oxygen sensor optionally available from HOFFRICHTER We recom mend the exclusive use of these sensors see Accessories on page 92 The oxygen sensor contains a caustic liquid Avoid skin or eye contact if there is a sensor leak Please observe the expiration date when using an oxygen sensor see page 54 The oxygen supplied must not exceed a pressure of 1000 hPa and a flow of 15 l min The oxygen must be dosed using an external flow meter 16 Safety information When supplying oxygen it should be ensured that only dry gas O is used Increased residual moisture may lead to device defects If necessary a humidifier can be connected between the air outlet of the device and the patient connection between the connection external O source must be absolutely airtight Other wise leakage losses may occur during ventilation The oxygen supply should be stopped before the ventilation is interrupted We further recommend that after stopping the ventilation the device is allowed to run for several respiratory cycles without an oxygen supply In the event of an oxygen leak the oxygen supply should be closed off immediately The room must immediately be ventilated At the same time any sparks fire or potential sources of fire in the vicinity of the device must b
69. wer Service 15000 h lt 100 96 The symbol is only displayed if the mask test time or the Softstart ramp is not active The symbol indicates that the mask test is active Once the set mask test time has expired the symbol vanishes The symbol indicates that the softstart ramp is active Once the set softstart time has expired the symbol van ishes The symbol is only displayed if the mask test time is not active The device has detected spontaneous patient respiration and the trigger has been initiated The symbol remains visible during the entire inspiration time and vanishes with the start of expiration Operating the device 59 THE CURVE SCREEN The curve screen provides a graphical display of the pressure volume and flow in the form of a curve chart To activate the curve screen from the patient screen press the OK button To leave the curve screen and return to the patient screen press the esc button In the case of an alarm the display automatically returns to the patient screen in order to show the alarm message Time of triggering through Measured value patient s spontaneous inspiration Ba Status of curve recording Unit of the EB S Curve recorded for the selected ventilation parameter Time axis of the curve chart in seconds Active ventilation mode T Time Symbol area Progress bar indicates the current ventilation status Fig 26 Layout of the curve screen 60
70. x 49 385 39925 25 E mail info hoffrichter de www hoffrichter de TRENDvent eng 1 110 01 Art no 5000 0397
71. x or pneumomediastinum e Pneumoencephalus e Cranial trauma e Status after cranial or brain surgery e Acute inflammation of the paranasal sinuses middle ear infection or a perforated ear drum e Aspiration hazard In individual cases the attending physician must decide on the therapy Safety information 19 SIDE EFFECTS The following undesired side effects may occur in connection with artifi cial respiration Invasive ventilation e Complications due to tube tracheal cannula Mask ventilation e Pressure points and skin defects in the face e irritation due to leaks e Gastric inflation e Aspiration e Sinusitis e Nose bleeds General complications of mechanical ventilation e Pulmonary barotrauma volutrauma caused by ventilation e Ventilator associated pneumonia e Effects on the cardio vascular system 20 Safety information HOW THE DEVICE WORKS IMPORTANT COMPONENTS The TRENDvent ventilator comprises the following components e Blower e DC Communication e Gensors valves compressed air distribution e Power supply e Controller control and operating unit e Interfaces Switching 3 power supply emote alarm 100 240V AC Nurse call Accessories PC 2096 10 Communication Controller control and operating unit Blower Humidifier i Tube system Internal gt lt gt lt gt Sensors valves battery MEM j Oxygen supply Controls Display

TRENDvent - Hoffrichter GmbH

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