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Datex-Ohmeda Aespire 7900 Anaesthesia Machine

1. 4 10 Low pressure leaktest cece cece eee e eee e eee eennes 4 11 Negative low pressure leak ESE n e TRR 2 hasta eee daa haat hi tee 4 11 1009 0632 000 ISO 5358 or BSI standard positive low pressure Bak TSE aca Raa anr ct toda Sta ah R Mh eae Pail deena 4 13 Alam TESTS Sec Carsales danse Bhs nan Bb nda dR aoe Ba aad 4 14 Breathing system tests 4 16 Monitor and ventilator tests 4 18 Index Warranty 1009 0632 000 iii S 5 Aespire iv 1009 0632 000 1009 0632 000 In this section 1 Introduction Whatis an Aespire 7900 1 2 Symbols used in the manual or on the equipment 1 3 1 1 Aespire 7900 What is an Aespire 7900 1 2 The Aespire 7900 is a compact integrated and intuitive anesthesia delivery system The ventilator portion provides mechanical ventilation for patients during surgery as well as monitoring and displaying various patient parameters The system uses a microprocessor controlled ventilator with internal monitors electronic PEEP Volume Mode and other optional features A serial interface permits communication to cardiovascular and respiratory gas monitoring Illustrations in this manual may not cover all types of options available Other equipment may be attached to the system on the top shelf or on the side dovetail rails Consult with your D
2. 2 14 How to use the menu 2 15 Memu Map 6 ass sas nes inutile 2 16 More about menu functions 2 17 How to change menu settings 2 18 Optional auxiliary O flowmeter and suction regulators 2 19 Pre use CheckliSt 25 258 guet ans ne el ge ee ge nasale 3 3 Turn On the System nas dense duels Adin Rome Rates 3 4 Set the alarm loudness 3 5 Show or hide alarm limits and units 3 7 Turn the volume alarms on or Off 3 8 SE alarm Ume gt Z ari pates Man Ga ea ea nae R RS 3 8 Set an audible alarm for circuitleaks 3 10 Set Cardiac BY Pass aan Rene ren 3 11 S 5 Aespire 4 Preoperative Tests Start mechanical ventilation 3 13 Stop mechanical ventilation 3 14 AlANMS Nesai aam tari RE beg nak TER had dane Z Bit n 3 15 Alan TONGS sin 2 sae ie ee said scat eG Pei eine den ds 3 15 Ala SIGNGE s este una sions op N Aa Gon bat y nad E 3 15 Alarm Suspend 3 15 Set the ventilation mode 3 16 Set ventilator controls 3 18 Optional features 3 18 Ven
3. d A 5 1 Auxiliary O Flowmeter outlet Auxiliary O Flowmeter Auxiliary O flow control wn Figure 2 8 Optional Auxiliary O Flowmeter and control External vacuum non venturi Collection bottle connection Filter Overflow safety trap T Won ES Figure 2 9 s Optional Suction Regulator 1009 0632 000 2 19 Aespire 7900 Suction regulator controls Auxiliary flowmeter control 2 20 Mode switch decrease it The auxiliary flowmeter is not pressure compensated and clockwise to decrease MAX for maximum suction set the switch to MAX On for adjustable suction set the switch to on or Off 0 to turn off suction set the switch to 0 With the mode switch set to turn the control clockwise to increase suction and counterclockwise to Turn the control counterclockwise to increase the O flow 1009 0632 000 3 Operation and Tutorial AWARNING In addition to volume apnea and low airway pressure alarms other ventilator alarms are included to indicate potential hazard conditions All alarms that occur should be investigated to help ensure adequate patient safety A Desiccated dehydrated absorbent material may produce dangerous reactions when exposed to inhalation anesthetics A Forsystems with dual absorbent canisters the carbon dioxide absorbent material in both canisters shall be changed at least weekly preferably every Monday morning For single canister sys
4. If any other key is S mer pressed atthis time a tone will lt sound 1009 0632 000 Aespire 7900 Set ventilator controls Optional features Step 1 Push the selection key Step 2 A tone sounds and a box flashes around the setting Step 3 Turn the knob to set the value Step 4 Push the knob to save the setting e Atone sounds The flashing stops Ventilator controls Flow Trigger Level The Aestiva 7900 can be equipped with several optional ventilation functions References made in this manual to SIMV and PSVPro modes are only applicable to systems equipped with these functions The ventilator controls present are based on the ventilation mode Messages appear on the screen if You try to set a value the system cannot supply You change a setting but do not save it Push knob to confirm change Turn knob to change setting Pinspired 25 cmH20 AB 90 076 AB 90 077 AB 90 078 AB 90 079 This parameter sets the minimum flow detected by the ventilator which triggers the ventilator to deliver a mechanical breath to a spontaneously breathing patient Only active in SIMV and PSVPro modes 1009 0632 000 LE Insp Termination Level PEEP WARNING Pinspired Plimit Psupport Rate Tinspired Trigger Window Volume Control mode 1009 0632 000 3 Operation and Tutorial This control sets the inspiratory to expiratory ratio of mechanical breaths supplied to t
5. Measure circuit compliance 1009 0632 000 To measure compressible volume in patient tubes 1 Setthe ventilator in volume control mode 2 Seta tidal volume V7 of approximately 500 mL 3 Seta rate of 10 breaths min 4 Setanl E ratio of 1 1 5 Setthe Dian control to 20 cm H30 6 Occlude the patient connection of the wye piece Do not contaminate a clean patient connection 7 Turn on mechanical ventilation 8 Monitor the exhaled tidal volume VE and Pmax Measured peak airway pressure The Vre measures the gas needed to fill the patient circuit at the measured pressure The example shows how tubing compliance factor can be calculated Vre Pmax 2 5 cm H20 Compliance factor in mL per cm H 0 Example Prax 20 cm H20 Vig 24 mL 24 20 2 5 1 4 mL cm H 0 This factor can be used to calculate the approximate gas compression in patient tubes For example if the patient is requiring 30 cm H 0 to ventilate 30 X 1 4 42 mL of gas is compressed in the tubes each breath This gas 42 mL is part of the displayed tidal volume but it does not reach the patient 1 Force of the bellows 3 33 Aespire 7900 3 34 1009 0632 000 1009 0632 000 In this section 4 Preoperative Tests Aespire 7900 Preoperative tests schedules 4 2 InSp ctth SySt m isa Z seid ated nt bond beak aa dak Tare 4 4 Power failure alarm test 4 5 Minimize alarms
6. Set V to the appropriate tidal volume value or Pinspired to the appropriate level Set the breathing Rate Set I E Ratio Set Plimit Airway pressure limit Set PEEP Check and adjust alarm settings to ensure they are appropriate for the ventilator settings and the case at hand Run the 21 Oxygen Sensor Calibration Check 3 3 Aespire 7900 Turn On the system Step 1 Connect the power cord to a wall outlet The mains indicator comes on when AC Power is lt connected T Step 2 D gt Set the system switch to On Datex Ohmeda Aecspire 7300 Smartv ent O N I o AB 29 007 AA 96 104 Step 3 The display shows the power up screen and the system does a series of self tests SRfnenrp Version 4 8 172104 Dalas Ohmeda Inc Settings are from lasi case Always do the preoperative test botow pou wie this system Reter to the operation manual Powernp Sell Tests OK Apnea Alarm Standby Vol Alarms Stdby Step 4 When the self tests pass the display shows the normal screen If a test fails the screen shows an alarm Refer to the troubleshooting section AB 90 021 10 12 14 16 Vent Off Volume Control Circle Vr Rate LE Plimit PEEP 625 10 1 1 5 40 Inactive mL min cmH20 5 cmH20 3 4 1009 0632 000 3 Operation and Tutorial Set the alarm loudness AB 29 013 Ventilation Mode Step 1 Alarm Settings Setup Calibration Select the Screen an
7. Continue the O flow for one minute Turn the O flow control fully clockwise minimum flow Set the system switch to Standby m U 1009 0632 000 ISO 5358 or BSI standard positive 1009 0632 000 low pressure leak test A CAUTION A CAUTION 4 Preoperative Tests Do a positive pressure leak test at the ACGO port only 1 Connect the leak test device to the ACGO port with the positive pressure leak test adapter Push the adapter into the ACGO port throughout the test to get a good seal e Test device ref 1001 8976 000 4 kPa 1001 8975 000 25 kPa 1009 3119 000 Adapter 2 Turn on the auxiliary common gas outlet switch in the ACGO position D 3 Tum all controls fully clockwise minimum flow 4 Fully open the needle valve on the test device e Keep the test device flow tube vertical for accurate results If the needle valve is not fully open this test can damage the pressure gauge on the test device 5 Open the O flow control and set a total flow of 0 4 L min through the flowmeter on the test device 6 Make sure that the pressure gauge on the test device reads zero and that all other flow controls are fully closed 7 Close the needle valve on the test device until the test gauge reads s BSI 20 kPa 2 9 psi 180 5358 3 kPa 0 4 psi 8 Ifthe flow through the test device is less than 0 35 L min ISO or 0 3 L min BSI there is a low pressure leak in the anesthesia machine
8. Alarms appear at the top of the screen The highest priority alarm will be shown in Area 1 the next highest priority alarm in area 2 If all areas are used the lowest priority alarms cycle in area 4 XX gA Note Error mode messages may appear Refer to Alarms and Troubleshooting in Part 2 of the Operation Manual for more information e Minimum Monitoring Monitoring data is available but a failure prevents mechanical ventilation AB 90 072 s Minimum System Shutdown Monitoring and ventilation are not possible 1009 0632 000 3 Operation and Tutorial Reading the pressure waveform Paw Different points on the waveform are instantaneous values for measured pressures The horizontal axis indicates the time scale for the rate l E ratio and inspiratory pause volume control setting The vertical axis indicates the pressure Volume Control Mode Pmax AB 90 060 Pressure Control Mode Pinsp Pmax AB 90 057 PEEP Scales The display automatically adjusts time and pressure scales to fit the control settings The time scale changes with the set Rate 25 or less breaths per minute time scale is O to 16 seconds e 26to 75 breaths per minutes time scale is 0 to 8 seconds e 76ormore breaths per minutes time scale is 0 to 4 seconds Ona change existing pressure data is erased and new waveform data starts at time 0 The pressure scale changes with the Plimit setting s 12 to 40 Plimit y axis range i
9. Expiratory check valve 4 16 G gas compression in patient tubes 3 34 Inspiratory check valve 4 16 L leak test device 4 11 Link system 4 7 M Mapleson series 2 9 menu functions 2 17 menu map 2 16 MRI environment 1 2 neuromuscular blocking agents 3 25 nuisance alarms 3 11 1009 0632 000 Index 0 optional ventilation functions 2 12 3 19 p pipeline pressure 4 7 Pressure Control mode 3 21 Pressure controlled modes 3 17 PSVPro mode 3 21 S SIMV mode 3 21 T tubing compliance factor 3 31 V Volume controlled modes 3 17 Aespire 7900 1 2 1009 0632 000 Warranty CONFIDENTIAL NOT FOR RELEASE This Product is sold by Datex Ohmeda under the warranties set forth in the following paragraphs Such warranties are extended only with respect to the purchase of this Product directly from Datex Ohmeda or Datex Ohmeda s Authorized Dealers as new merchandise and are extended to the Buyer thereof other than for the purpose of resale For a period of twelve 12 months from the date of original delivery to Buyer or to Buyer s order but in no event for a period of more than two years from the date of original delivery by Datex Ohmeda to a Datex Ohmeda Authorized Dealer this Product other than its expendable parts is warranted against functional defects in materials and workmanship and to conform to the description of the Product contained in this User s Reference manual and accompanying labels and or ins
10. Refer to Part 2 of this manual 4 13 Aespire 7900 Alarm tests 4 14 A WARNING 9 Repeat this low pressure leak test for each vaporizer Set he applicable vaporizer to 1 and do steps 2 through 8 e Fully open the needle valve on the test device to decrease the back pressure Turn the vaporizer off Agent mixtures from the low pressure leak test stay in the system Always flush the system with O after the low pressure leak test 1 L min for one minute Turn all vaporizers off at the end of the low pressure leak test 10 Remove the adapter and leak test device 11 Flush the system with 0 Set the 0 flow to 1 L min and continue flow for one minute e Turn the O flow control fully clockwise minimum flow Set Uhe system switch to Standby oO 1 Connect a test lung to the patient connection Test device ref 0219 7210 300 2 Setthe Bag Vent switch to Vent 3 Setthe system to On 4 Setthe controls Ventilation Mode Volume control Select from main menu Ventilator Tidal Vol 400 ml Rate 12 l E Ratio 1 2 Pimit 40 cm H20 PEEP Off Anesthesia Machine O flow minimum flow 25 75 mL min about 200 mL for single tube variant All other gases OFF Push flush to fill the bellows 1009 0632 000 1009 0632 000 4 Preoperative Tests 5 Turn the Bag Vent switch to Bag and back Make sure that e Mechanical ventilation starts e Asubatmospheric pressure alarm doe
11. optional 4 5 Pipeline and cylindertests 4 6 Fow control TESTS R a S ee PNR ns 4 7 Vaporizerinstallation 4 9 Vaporizer back pressure test 4 10 Low pressure leaktest 4 11 ELLES SR Jessa east ele Ae eRe tel le tela AE EARE 4 14 Breathing system tests 4 16 Monitor and ventilatortests 4 18 4 1 Aespire 7900 Aespire 7900 Preoperative tests schedules Test Intervals pno the Preoperative tests listed below at these events 1 Every day before the first patient 2 Before each patient 3 When required after a maintenance or service procedure The following table indicates when a test must be done and gives a page number location where the test can be found Every day Before before the every Test intervals first patient patient Inspect the system 4 4 Test the system Power failure alarm test 4 5 Minimize alarms optional 4 5 Pipeline and cylinder tests 4 6 Flow control tests 4 7 Vaporizer installation 4 11 Vaporizer back pressure test 4 12 Low pressure leak test Negative low pressure leak test 4 13 4 13 ISO 5358 or BSI standard positive low pressure leak test 4 15 4 15 Alarm tests 4 16 Breathing system tes
12. 500 kPa 75 psig 16 Set the system switch to Standby o_ The Link system cannot replace an O monitor Sufficient O in the fresh gas may not prevent hypoxic mixtures in the breathing Circuit e Nitrous oxide N 0 if available flows through the system during this test Use a safe and approved procedure to collect and remove it e Incorrect gas mixtures can cause patient injury If the Link system does not supply O and N20 in the correct proportions do not use the system 4 7 Aespire 7900 4 8 Important A WARNING Test the O monitor as described in Alarm tests step 8 before continuing To do the flow control tests 1 2 3 4 Connect the pipeline supplies or slowly open the cylinder valves Turn all flow controls fully clockwise minimum flow Set the system switch to On Do not use the system if low battery or other ventilator failure alarms occur Y Make sure the O flowtube shows approximately 025 to 075 L min 0 200 L min for single tube variants The other flowtubes must show no gas flow s Steps 6 and 7 are only for systems with N20 Keep the Link system engaged during steps 6 and 7 9 Adjust only the test control N 0 in step 6 and O in step 7 Test the flows in sequence N 0 then 03 The O sensor used in steps 6 and 7 must be correctly calibrated Testthe Link 25 system with flow increasing Turnthe N 0 and 0 flow controls fully cl
13. less than approximately 5 cm H 0 Push the O flush button Make sure that the value on the inspiratory pressure gauge stays near zero Set the O flow to minimum and make sure that the value on the inspiratory pressure gauge does not decrease below 0 cm H30 6 Remove your hand or the test plug from the patient connection 7 Setthe System switch to Standby AWARNING Make sure that there are no test plugs or other objects caught in the breathing system 1 Connect a test lung to the patient connection 2 Setthe Bag Ventilator switch to Bag 3 Setthe System switch to On 4 Setthe controls Ventilation Mode Volume control Select from main menu Ventilator Tidal Vol 400 ml Rate 12 l E Ratio 1 2 Pimit 40 cm H20 PEEP Off Anesthesia Machine O flow minimum flow All other gases OFF 5 Setthe Bag Vent switch to Ventilator 6 Push the O flush button to fill the bellows 7 Make sure that s Mechanical ventilation starts Asubatmospheric pressure alarm does not occur Note With active gas scavenging too much scavenging flow can cause subatmospheric alarms The ventilator displays the correct data The bellows inflate and deflate during mechanical ventilation 8 Setthe O flow control to 5 L min 9 Make sure that The end expiratory pressure is approximately 0 cm H 0 Note Positive end expiratory pressure when PEEP is off may indicate that the scavenging system is not removing enough gas
14. old setting Step 1 Push the selection key below 625 the setting AB 29 010 Step 2 Turn the knob to change the setting AB 29 002 Step 3 Push the knob or the key to save the change AB 29 011 1009 0632 000 How to use the menu Step 1 Push the Menu key to see the main menu Step 2 Turn the knob to select an option highlight Step 3 Push the knob to show the next screen 1009 0632 000 2 System Controls and Menus Screens go back to the normal display 25 seconds after the last action During a calibration or other procedure the screen shows the instructions AB29 013 AB 90 036 AB90 037 AB 90 045 Ventilation Mode Alarm Settings ZB Setup Calibration Zz Screen and Audio Setup Cardiac Bypass No Exit to Normal Screen Main Menu Ventilation Mode Alarm Settings 4 Screen and Audio Setup d Cardiac Bypass No Exit to Normal Screen Setup Calibration SIMV PSVPro Setup 02 Sensor Cal Inspiratory Pause Off Heliox Mode Off About Ventilator Go to Main Menu 2 15 Aespire 7900 AB 90 036 Menu map Figure 2 6 shows the menu map The table tells you about some of the options Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Setup Cardiac Bypass No Exit to Normal Screen Main Menu Ventilation Mode KIA Alarm Settings Pressure Cntrl Setup Calibration SIMV Mode Screen and Audio PSVPro Mode Cardiac Byp
15. 1009 0632 000 1009 0632 000 AWARNING AWARNING 10 11 12 13 4 Preoperative Tests e The ventilator displays the correct data The bellows inflate and deflate during mechanical ventilation Set the ventilator controls and alarm limits to clinically appropriate levels If the system will not be used immediately set the System switch to Standby and close all cylinder valves Make sure that you have Equipment for Airway maintenance Manual ventilation Tracheal intubation IV administration Applicable anesthetic and emergency drugs Prepare the system s Turn all vaporizers off e Open the APL valve e Set the Bag Ventilator switch to Bag s Set all flow controls to minimum e Set sufficient patient suction s Make sure that the breathing system is correctly connected and not damaged Make sure that the breathing circuit is correctly connected and not damaged Before you connect a patient flush the anesthesia machine with 5 L min of O for at least one minute This removes unwanted mixtures and by products from the system End of Part 1 of the Users Reference Manual 4 19 Aespire 7900 4 20 1009 0632 000 A ACGO 2 8 AGSS 2 10 antistatic breathing tubes or masks 2 2 APL valve 2 7 Auxiliary Common Gas Outlet switch 2 6 adequate ventilation 3 25 alarm priority 3 16 B backup ventilation 3 22 Bag Mechanical Ventilation switch 2 8 C compressible volume 3 31 3 34 E
16. AB 90 036 Ventilation Mode SED ma Alarm Settings Setup Calibration Screen and Audio Setup Cardiac Bypass No Exit to Normal Screen Alarm silence key Silences most alarms for 120 seconds and indicator Pushing the key when no alarm is active pre silences low and medium priority alarms except Minimum Monitoring for 90 seconds The No O Pressure alarm cannot be silenced F3 EHE Remaining silence time AB 29 004 Volume alarm key Turns volume alarms on and off Vol Al 0 Vol Al Off lt EN ROLE IN End Case key End Case helps to prevent false alarms when no patient is connected It Puts the apnea and volume alarms into Standby e Returns user selections to the most common settings Cardiac bypass off Alarm limits shown s Sets the PEEP to 0 cmH 0 default value Sets Plimit to one of two values facility default or 40 cmH 0 e Forces the circuit Leak Audio to On Mechanical ventilation must be off set the Bag Vent switch to Bag or select the auxiliary common gas outlet 1 9 AB 29 006 1009 0632 000 2 13 Aespire 7900 How to set controls me bottom ofthe screen shows control settings Notes e The ventilator will not allow the setting of values it cannot supply A reject tone will sound or a message will appear on the screen s Ifthe incorrect key is pushed wait ten seconds or push the correct key s Ifthe new setting is not saved the ventilator continues to use the
17. Aespire 7900 User s Reference Manual Part 1 System Controls Operation Checkout User Responsibility CAUTION This Product will perform in conformity with the description thereof contained in this Users Reference manual and accompanying labels and or inserts when assembled operated maintained and repaired in accordance with the instructions provided This Product must be checked periodically defective Product should not be used Parts that are broken missing plainly worn distorted or contaminated should be replaced immediately Should repair or replacement become necessary Datex Ohmeda recommends that a telephonic or written request for service advice be made to the nearest Datex Ohmeda Customer Service Center This Product or any of its parts should not be repaired other than in accordance with written instructions provided by Datex Ohmeda and by Datex Ohmeda trained personnel The Product must not be altered without the prior written approval of Datex Ohmeda The user of this Product shall have the sole responsibility for any malfunction which results from improper use faulty maintenance improper repair damage or alteration by anyone other than Datex Ohmeda U S Federal law restricts this device to sale by or on the order of a licensed medical practitioner Outside the U S A check local laws for any restriction that may apply Datex Ohmeda products have unit serial numbers with coded logic which indicates a
18. Air AB 29 013 AB 90 036 AB 90 037 Ventilation Mode Alarm Settings Setup Calibration Use If you call for service a representative may ask for this Tells you if the system saves the current settings when you turn it off or goes back to facility defaults Used for gas calculations If the altitude is not correct O calibration can fail Tells you which gas the ventilator uses to drive the bellows This gas comes from the same supply pipeline or cylinder that the anesthesia machine uses If this gas comes from a cylinder the cylinder empties faster than you would expect from the flowmeter settings Screen and Audio Setup No Cardiac Bypass Exit to Normal Screen Main Menu Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Setup Cardiac Bypass Exit to Normal Screen No Aespire 7900 Step 2 Turn then push the knob to select About Ventilator 3 32 AB 90 045 AB 90 047 AB 90 051 Setup Calibration SIMV PSVPro Setup 02 Sensor Cal Inspiratory Pause Off Heliox Mode Off About Ventilator Go to Main Menu Setup Calibration SIMV PSVPro Setup 02 Sensor Cal Start Inspiratory Pause 20 Heliox Mode Off About Ventilator Go to Main Menu About Ventilator Software Version 4 0 Facility defaults used powerup Altitude 300 m Drive Gas 02 Go to Setup Calibration Menu 1009 0632 000 3 Operation and Tutorial
19. GO is selected Fresh gas oxygen monitoring is available when the ACGO is selected The ACGO should not be used to drive external ventilators or for jet ventilation Breathing system selected a Auxiliary outlet selected 4 amp 7 Flow sensors provide volume measurements for some monitoring functions All systems have flow sensors in both positions of the flow sensor module 2 6 1009 0632 000 1009 0632 000 Item 2 System Controls and Menus Description 6 12 Canister release APL valve Push to remove the canister This allows the breathing system to vent to the room Be sure to hold the canister by the handle before releasing the canister Note Always do a leak test after operatingthe canister release Adjusts breathing system pressure limit during manual ventilation The scale shows approximate pressures Above 30 cm H 0 you will feel clicks as the knob turns Turn clockwise to increase The following example setting is at about 20 cm H30 2 7 Aespire 7900 2 8 Item Description 13 Bag Mechanical Selects between manual ventilation bag or Ventilation switch mechanical ventilation ventilator Mechanical ventilation Off gas to bag ell Oe a Nes es K aa Mechanical ventilation On gas to bellows a d 17 Bag arm optional Squeeze at 1 to raise or lower the arm The Bag arm rotates at 2 ACGO When you operate a breathing a
20. There are no express or implied warranties which extend beyond the warranties hereinabove set forth Datex Ohmeda makes no warranty of merchantability or fitness for a particular purpose with respect to the product or parts thereof Aespire 7900 User s Reference Manual English Part 1 1009 0632 000 10 04 01 21 03 Printed in USA Datex Ohmeda Inc All rights reserved
21. Ventilator Set all flow controls to minimum Close the breathing circuit at the patient connection Use your hand or the test plug Push the O flush button to fill the bellows The pressure must not increase to more than 15 cm H 0 on the pressure gauge If the bellows falls lower than the top of the indicator ithas a leak On a single tube variant the bellows should not fall at all Refer to the troubleshooting procedure in the Part 2 of this manual Set the system switch to On Set the Bag Ventilator switch to Bag Plug the Bag port use your hand or the approved test plug Close the APL valve 70 cm H 0 Set the O flow to 250 mL min Close the patient connection using a hand or test plug on the breathing system and pressurize the bag with the O flush button to approximately 30 cm H 0 Release the flush button The pressure must not decrease A pressure decrease large enough to see on the gauge indicates a leak Look for and repair the breathing circuit leak 5 Test the APL valve Fully close the APL valve 70 cm H 0 Set the total fresh gas flow to approximately 3 L min and make sure that the value on the inspiratory pressure gauge does not exceed 85 cm H 0 Some pressure fluctuation is normal Fully open the APL valve to the MIN position Set 0 flow to 3 L min Turn any other gases off Aespire 7900 Monitor and ventilator tests 4 18 Make sure that the value on the inspiratory pressure gauge is
22. ass Exit to Normal Screen Alarm Settings CG 75 Ve Auto Limits 5 0 Off Vie 600 Off Circuit Leak Audio On Go to Main Menu Setup Calibration 02 Sensor Cal Inspiratory Pause Off Heliox Mode Off About Ventilator Go to Main Menu Screen and Audio Setup Display Contrast 5 Alarm Loudness 4 Alarm Limits Show Units of Measure Show Go to Main Menu AB 90 041 AB 90 054 AB 90 045 AB 90 063 Note If the Alarm Settings page shows VE Auto Limits On during mechanical ventilation the system automatically calculates alarm limits Figure 2 7 s Menu map 1009 0632 000 2 System Controls and Menus More about menu functions Menu Option Function Main Cardiac Bypass Turns off volume and apnea alarms when these are not appropriate e g during In Progress No heart lung bypass Alarm Settings Circuit Leak Turns off the alarm tone for circuit leaks You must set the low VE alarm first Audio On Off Select Audio off if the circuit has a known leak e g an uncuffed endotracheal tube Setup SIMV PSVPro Setup Shows additional ventilation settings for SIMV and PSVPro modes Calibration 0 Sensor Cal Shows menu for O sensor calibration Inspiratory Pause Adds an inspiratory pause time to volume control breaths Heliox mode Tells the ventilator if heliox is in use On Off About Ventilator Shows service level settings sof
23. atex Ohmeda representative for details about systems available in your location The Aespire 7900 is not suitable for use in an MRI environment Figure 1 1 s Aespire 7900 example 1009 0632 000 1 Introduction Symbols used in the manual or on the equipment G O t 2 I OO C S y Ao 1009 0632 000 WARNINGS and A CAUTIONS tell you about dangerous conditions that can occur if you do not follow all instructions in this manual Read and follow all warnings and cautions WARNINGS tell about a condition that can cause injury to the operator or the patient CAUTIONS tell about a condition that can cause damage to the equipment A Note provides additional information to clarify a statement in text An Important statement is similar to a Note but provides a comment of greater emphasis Other symbols replace words on the equipment or in Datex Ohmeda manuals No one device or manual uses all of the symbols These symbols include On power Not autoclavable Off power Type B equipment Standby H Type BF equipment Standby or preparatory state for part of the Type CF equipment equipment ON only for part of the equipment A Caution ISO 7000 0434 OFF only for part of the equipment AA Attention refer to product instructions IEC 601 1 Direct current tt This way is up Alternating current 4 Dangerous Voltage Protective earth ground Input Earth ground Output Fra
24. d Audio Setup menu s Pushihemenu key Screen and Audio Setup Cardiac Bypass No Turn then push the knob to select Exit to Normal Screen Screen and Audio AB 90 036 Main Menu Ventilation Mode Alarm Settings Setup Calibration Cardiac Bypass No Exit to Normal Screen AB 90 039 Screen and Audio Setu Display Contrast 5 Alarm Loudness 4 Alarm Limits Show Units of Measure Show AB 90 063 Step 2 Turn then push the knob to select alarm loudness Go to Main Menu Screen and Audio Setu Display Contrast 5 Alarm Limits Show e Units of Measure Show AB 90 043 Go to Main Menu 1009 0632 000 3 5 3 6 Aespire 7900 Step 3 Turn then push the knob to adjust the volume The volume range is 1 to 5 loudest As the volume is changed the system sounds test tones Push the knob to save the change 2 Then e 1009 0632 000 Show or hide alarm limits and units Step 1 Select the Screen and Audio Setup menu Push the menu key Turn then push the knob to select Screen and Audio Setup 1009 0632 000 3 Operation and Tutorial To simplify the displays hide alarm limits and units of measurement If the alarm limits are hidden the screen automatically shows the limits when e An alam occurs Volume alarms are off or the auxiliary common gas outlet is selected monitoring off s An individual alarm limit is set to Off When the system is
25. dible tone and must be silenced individually Alarm Suspend Pressing and holding the alarm silence key for one second when no alarms are active suspends audio tones for medium and low priority alarms for 90 seconds Refer to Part 2 of this manual for more information about alarms and messages 1009 0632 000 3 15 Aespire 7900 Set the ventilation mode Text below the waveform shows the ventilation mode Pressure controlled modes supply a set pressure during inspiration e Volume controlled modes supply a set tidal volume Pmax 39 cmH20 Pmean 24 p Ppl 40 30 AB 90 092 Step 1 Select the Ventilation Mode s Push the menu key AB 29 013 Ventilation Mode e Push the knob to select Ventilation Alarm Settings Mode Setup Calibration e Screen and Audio Setup 9 Cardiac Bypass No Exit to Normal Screen AB 90 036 Volume Control Step 2 Ga E Turn then push the knob to change the SIMV Mode g Then lt gt mode Push the knob to save the change PSVPro Mode Note PSVPro is pressure supported ventilation with apnea backup 3 16 1009 0632 000 3 Operation and Tutorial Step 3 Set the highlighted control parameter Each Pent mode has one parameter that must be set VT for Volume and SIMV Pinspired for Pressure and Psupport for PSVPro e Turn then push the knob to set the cmH20 KJ Then AB 90 074 value 5 inspired Until a value is set the ventilator 47 shows
26. en push the knob to select Inspiratory Pause Step 3 Turn then push the knob to change the setting You must push the knob to save the change 1009 0632 000 3 Operation and Tutorial Setup Calibration SIMV PSVPro Setup 02 Sensor Cal Inspiratory Pause 40 of Ti Heliox Mode Off About Ventilator Go to Main Menu AB 90 083 20 of TI 3 23 Aespire 7900 Set SIMV and PSVPro controls The SIMV and PSVPro modes allow the user to set additional ventilator controls The Pinspired Rate Tinspired Psupport and PEEP controls can be set using the selection keys The Plimit Trigger Window Flow Trigger Level and Inspiratory Termination Level may be set through the Setup Calibration menu AB 29 013 ee Main Menu Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Setup Cardiac Bypass No e Turn then push the knob to select Exit to Normal Screen Setup Calibration Step 1 Select the SIMV PSVPro Setup menu e Push the menu key AB 90 036 Main Menu Ventilation Mode Alarm Settings e Screen and Audio Setup 9 Cardiac Bypass No Exit to Normal Screen AB 90 037 Setup Calibration SIMV PSVPro Setup Step 2 02 Sensor Cal Push the knob to select SIMV PSVPro Setup Inspiratory Pause Off Heliox Mode Off About Ventilator Go to Main Menu AB 90 045 Z WARNING Most anesthetic agents will cause patients to have reduced v
27. entilatory responses to carbon dioxide and to hypoxemia Therefore triggered modes of ventilation may not produce adequate ventilation A WARNING The use of neuromuscular blocking agents will reduce the patients breathing response which will interfere with triggering 3 24 1009 0632 000 3 Operation and Tutorial SIMV PSVPro Setup Pimp cmH20 40 Step 3 Trigger Window 20 Turn then push the knob to select a setting Flow Trigger Level L min 1 0 Insp Termination Level 25 Backup Mode Active sec 25 Go to Setup Calibration Menu AB 90 073 Step 4 Turn then push the knob to change the setting You must push the knob to save the change 1009 0632 000 3 25 Aespire 7900 Silence alarms 3 26 The alarm silence key silences current alarms for 120 seconds When no alarm is active holding down the alarm silence key for one second pre silences low or medium priority alarms for 90 seconds Minimum monitoring cannot be pre silenced The screen shows the time remaining in the silence period s Pushing the alarm silence key while an alarm is silenced will reset the countdown time to 120 seconds High priority alarms always cause an audible tone and must be silenced individually SS EHE Alarm tones identify the alarm priority AB 29 004 High Priority 10 tones 10 seconds pause repeat s Medium Priority 3 tones 25 seconds pause repeat Low Priority single tone
28. er failure alarm test 1 Setthe system switch to On oO 2 Unplug the power cord with the system turned on 3 Make sure that the power failure alarm audio tone and On Battery Power OK message on the display comes on 4 Connect the power cord again Make sure the alarm cancels 6 Setthe system switch to Standby Oo _ I Minimize alarms optional Set the ventilator controls to decrease the number of alarms 1 Setthe system switch to On 0 I 2 Control Keys Y e Volume alarms Off 3 Alarm menu s Low0 21 s High O Off 4 Bag Vent switch s Bag 1009 0632 000 4 5 Aespire 7900 5 Set the system switch to Standby G N Pipeline and cylinder tests 4 6 A CAUTION To prevent damage Open the cylinder valves slowly Do not force the flow controls If your system does not use cylinder supplies do not do steps 2 through 12 1 oon on Fw 10 Disconnect the pipeline supplies and close all cylinder valves If the pipeline and the cylinder pressure gauges are not at zero s Connect an O supply Set Uhe system switch to On if it is not already set Set the flow controls to mid range Y s Make sure that all gauges but O go to zero Disconnect the O supply s Make sure that the O gauge goes to zero As pressure decreases alarms for low O supply pressure should occur Make sure that the cylinders are full s Open each cyl
29. erts provided that the same is properly Operated under the conditions of normal use that regular periodic maintenance and service is performed and that replacements and repairs are made in accordance with the instructions provided This same warranty is made for a period of thirty 30 days with respect to expendable parts The foregoing warranties shall not apply if the Product has been repaired other than by Datex Ohmeda or in accordance with written instructions provided by Datex Ohmeda or altered by anyone other than Datex Ohmeda or if the Product has been subject to abuse misuse negligence or accident Datex Ohmeda s sole and exclusive obligation and Buyer s sole and exclusive remedy under the above warranties is limited to repairing or replacing free of charge at Datex Ohmeda s option a Product which is telephonically reported to the nearest Datex Ohmeda Customer Service Center and which if so advised by Datex Ohmeda is thereafter returned with a statement of the observed deficiency not later than seven 7 days after the expiration date of the applicable warranty to the Datex Ohmeda Customer Service and Distribution Center during normal business hours transportation charges prepaid and which upon Datex Ohmeda s examination is found not to conform with above warranties Datex Ohmeda shall not be otherwise liable for any damages including but not limited to incidental damages consequential damages or special damages
30. es SETT E Ea dan eue wie ee Roane aR ne 3 15 Set the ventilation mode 3 16 Set ventilator controls 3 18 Set SIMV and PSVPro controls 3 24 Silence dlar MS SE Sealine NE RE TTT 3 26 Reading the pressure waveform Paw 3 27 Measure circuit Compliance 3 30 Show the service settings 3 31 Measure circuit compliance 3 33 1009 0632 000 Pre use check list 1009 0632 000 3 Operation and Tutorial Connect the power cord to a wall outlet Prior to each case check all the ventilator settings to ensure they are appropriate for the patient 1 2 10 11 12 13 14 15 Check that the mains electrical indicator is lighted Turn on the anesthesia system power switch If system power is already ON cycle the power switch OFF then back ON to allow the system power up self test to run Unplug the system power cord from mains power Ensure the ventilator functions and indicates the use of battery backup power Reconnect the system power cord to the system mains power Select the desired mode of ventilation Select the desired breathing circuit and ensure it is displayed to the right of the selected ventilation mode above the pressure wave form Set the fresh gas flow
31. eturns to the No Bypass setting and alarms become active Aespire 7900 AB 29 013 Main Menu Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Setup Cardiac Bypass No Step 1 Exit to Normal Screen Select the Cardiac Bypass menu item e Push the menu key Main Menu Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Cardiac Bypass No Exit to Normal Screen AB 90 036 e Turn then push the knob to select Cardiac Bypass In Progress AB 90 040 Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Cardiac Bypass In Progress Exit to Normal Screen C d Sten 2 Push the knob again to return to No Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Cardiac Bypass No Exit to Normal Screen AB 90 068 AB 90 040 3 12 1009 0632 000 Start mechanical ventilation A WARNING 3 Operation and Tutorial Make sure the patient circuit is correctly assembled and the control settings are correct before you start ventilation This example assumes the system is on and in manual ventilation bag mode Step 1 Make sure the control settings are clinically appropriate Step 2 Set the ACGO switch to the circle system position Step 3 Set the Bag Vent switch to the Vent position e This selects mechanical ventilation Vent e If mechanical ventilation is not available a message tells you what to do For examp
32. gative pressure leak test device Ref 0 0309 1319 800 Remove allairfrom the bulb gt l e Put your hand on the inlet of the leak test device Push hard for a good seal e fthe bulb inflates in less than 60 seconds t replace the leak test device 0 l 4 Turn off all vaporizers 5 Testthe anesthesia machine for low pressure leaks s Turn the flow controls one and a half turns counterclockwise Connect the test device to the auxiliary gas outlet Compress and release the bulb until it is empty e The vacuum causes the floats to move This is usual If the bulb inflates in 30 seconds or less there is a leak in the low pressure Aespire 7900 4 12 AWARNING AWARNING circuit Refer to the Pneumatic problems table in Alarms and Troubleshooting of Part 2 of this manual Disconnect the test device 6 Test each vaporizer for low pressure leaks Set the vaporizer to 1 Repeat step 5 If there is a low pressure leak refer to Part 2 of this manual 7 Keep the test device with the system 8 Turn all flow controls fully clockwise minimum flow Do not over tighten Agent mixtures from the low pressure leak test stay in the system Always flush the system with O after the low pressure leak test 1 L min for one minute Turn off all vaporizers at the end of the low pressure leak test 9 Flush the system with 0 Set the system switch to on Set the O flow to 1 L min
33. goes through the channel on the bottom of the vaporizer Do not put the power cable on top of the manifold or between vaporizers 1 Ifthe top of a vaporizer is not horizontal remove the vaporizer and reinstall it 2 Set each vaporizer lock lever to the locked position 3 Try to lift each vaporizer straight up off the manifold rather than pulling forward Do not rotate the vaporizer on the manifold 4 Ifa vaporizer lifts off the manifold install it again and complete steps 1 2 and 3 If the vaporizer lifts off a second time do not use the system 5 With a Tec 6 Plus Vaporizer Make sure that the vaporizer is connected to an electrical outlet Hold down the alarm silence switch for a minimum of four seconds Make sure all indicators turn on and the alarm speaker starts Release the alarm silence switch Do not continue until the operational indicator turns on The concentration control will not turn if the operational indicator is OFF 6 Try to turn on more than one vaporizer at the same time 4 9 Aespire 7900 e Test each possible combination If more than one vaporizer turns on at the same time remove the vaporizers install them again and complete steps 1 through 6 Vaporizer back pressure test A WARNING A CAUTION 4 10 Anesthetic agent comes out of the common gas outlet during this test Use a safe approved procedure to remove and collect the agent To prevent damage turn the flow controls full
34. he patient This parameter sets the percentage of the peak inspiratory flow where the ventilator stops a pressure supported breath Only active in SIMV and PSVPro modes This control sets the positive end expiratory pressure This is only available during mechanical ventilation but the control can be set at any time Do not use a Separate mechanical PEEP valve incorrect operation and patient injury can result This control sets the amount of pressure delivered to the patient in each pressure controlled breath This control sets the maximum and sustained airway pressures tolerated in the patient s breathing system s Ifthe high airway pressure limit is reached inspiration stops and exhalation starts e The limit is an absolute value There is no offset for PEEP pressure Note Pmax is the peak sensed airway pressure Plimit is the airway pressure limit set with front panel controls This control sets the delivered pressure during pressure support ventilation Only active in SIMV and PSVPro modes This control permits you to set the frequency of mechanical breaths delivered to the patient It also establishes the apnea delay time in the PSVPro mode This control sets the time in seconds for each timed inspiration Only active in SIMV and PSVPro modes This control sets the range as a percent of the exhalation phase within which the patient may trigger the next mechanical breath Only active in SIMV and PSVPro modes Thi
35. inder valve s Make sure that each cylinder has sufficient pressure If not close the applicable cylinder valve and install a full cylinder Test one cylinder at a time for high pressure leaks Set the system switch to Standby which stops the O flow m Turn OFF the auxiliary O flowmeter Turn off the suction Open the cylinder Record the cylinder pressure Close the cylinder valve Record the cylinder pressure after one minute If the pressure decreases more than 690 kPa 100 psig there is a leak 1009 0632 000 A CAUTION Flow control tests 1009 0632 000 A WARNING 4 Preoperative Tests s If there is a leak install a new cylinder gasket and tighten the tee handle as shown in How to install gas cylinders high pressure leak test of the section 1 Setup and Connections in Part 2 of this manual Do this step again If the leak continues do not use the system 11 Repeat steps 7 through 10 for all cylinders 12 Close cylinder valves Do not leave gas cylinder valves open if the pipeline supply is in use Cylinder supplies could be depleted leaving an insufficient reserve Supply in case of pipeline failure 13 Connect the pipeline supplies 14 Set the system switch to On 15 Use this chart to check pipeline pressure ANSI USA and Intl Australian Canadian French Japanese 345 kPa 50 psig ISO Italian South African Spanish Swiss 414 kPa 60 psig Austrian German
36. ise to lock the vaporizer in position J 1009 0632 000 1009 0632 000 Item 2 System Controls and Menus Description 2 Concentration control and release Push the release and turn the concentration control to set the agent concentration The Tec 6 Plus concentration control does not turn as long as the warm up indicator is on Aespire 7900 Ventilator controls Optional Features Control panel 13 The Aespire 7900 can be equipped with several optional ventilation functions References made in this manual to SIMV and PSVPro modes are only applica ble to systems equipped with these functions Ventilator controls include s Touch keys s Menu screens s A control knob AB 90 025 12 11 10 9 8 7 1 Alarm silence key 2 Alarm message display 3 Volume alarms On Off key 4 Menu key 5 Breathing circuit module display 6 Control knob 7 Control setting 8 Selection key 9 Ventilation mode display 10 Ventilator status On or Off 11 Mains indicator 12 End Case key 13 Measured values Figure 2 6 s SmartVent controls and monitored data All but two of the controls for the ventilator are located on the Ventilation Monitoring display The two controls are 1009 0632 000 2 System Controls and Menus The system switch which powers the ventilator The Bag Vent switch which starts and stops mechanical ventilation Item Description Menu key Shows the main menu Main Menu
37. le To start mech vent set the Bag Vent switch to Bag and back to Vent Step 4 If necessary inflate the bellows using the O flush button C 1009 0632 000 3 13 Aespire 7900 Stop mechanical ventilation Step 1 Make sure a manual circuit is set up and the APL valve setting is OK before stopping mechanical ventilation This valve adjusts the breathing system pressure limit during manual ventilation The scale shows approximate pressures Above 30 cm H 0 you will feel clicks as the knob turns Step 2 Set the Bag Vent switch to Bag position e This selects manual ventilation bag and stops the mechanical ventilation ventilator Or Select the ACGO and mechanical ventilation will stop 1009 0632 000 3 Operation and Tutorial Alarms Alarms appear at the top ofthe screen The highest priority alarm is shown in Area 1 the next highest priority alarm in area 2 If all areas are used the lowest priority alarms cycle in area 4 Ei Alarm Tones Alarm tones tell you about the alarm priority High Priority 2 bursts of 5 tones every 10 seconds repeat e Medium Priority 3 tones every 25 seconds repeat Informational single tone Alarm Silence The screen shows the time remaining in the silence period Ifyou push the alarm silence key while an alarm is silenced countdown time resets to 120 seconds SS EHE High priority alarms always cause an au
38. me or chassis ground REF Stock Number Alarm silence button Equipotential Variability Variability in steps SN Serial Number Bag position manual ventilation Read top of float Vacuum inlet 1 3 Aespire 7900 134 C le al i 1 4 Plus positive polarity Minus negative polarity Lamp lighting illumination Movement in one direction Movement in two directions Lock Unlock Autoclavable Open drain remove liquid Inspiratory flow O sensor connection Volume alarms On Off touch key Systems with this mark agree with the European Council Directive 93 42 EEC for Medical Devices when they are used as specified in their Operation and Maintenance Manuals The xxxx is the certification number of the Notified Body used by Datex Ohmeda s Quality Systems Suction bottle outlet 0 O Flush button Cylinder Isolation transformer Low pressure leak test Mechanical ventilation Close drain Expiratory flow KR Alarm silence touch key By Menu touch key Alarm silence touch key Tec 6 in 0 End case touch key lame C European Union Representative Lec rer 1009 0632 000 1009 0632 000 In this section 2 System Controls and Menus Anesthesia system controls 2 2 Breathing system components 2 5 Vapo z r controls 3824520848 pers art pen sa a me eae he tea 2 10 Ventilator co
39. n patient tubes 1 Setthe ventilator to volume control mode 2 Seta tidal volume V7 of 500 mL 3 Seta rate of 10 breaths min 4 Setanl E ratio of 1 1 5 Set the Plimit control to 30 cmH 0 6 Occlude the patient connection of the Y piece Do not contaminate a clean patient connection Turn on mechanical ventilation 8 Monitor the exhaled tidal volume VE and Pmax Measured peak airway pressure The Vre measures the gas needed to fill the patient circuit at the measured pressure The example shows how tubing compliance factor can be calculated Voe Pmax 2 0 CMH 0 Compliance factor in mL per cmH 0 Example Prax 21 cmH 0 Vig 24 mL 24 21 2 5 1 3 mL cmH 0 This factor can be used to calculate the approximate gas compression in patient tubes For example if the patient is requiring 30 cmH 0 to ventilate 30 X 1 3 39 mL of gas is compressed in the tubes each breath This gas 39 mL is part of the set tidal volume but it does not reach the patient T Force of the Bellows 1009 0632 000 Show the service settings Step 1 Select the Setup Calibration menu Push the menu key s Turn then push the knob to select Setup Calibration 1009 0632 000 3 Operation and Tutorial The About Ventilator screen shows ventilator settings that can only be changed by an approved service representative Item Software Version Facility defaults or last settings Altitude Drive gas 0 or
40. nspired Psupport 10 15 10 sec cmH20 During backup ventilation the ventilator will ventilate the patient using the SIMV PC PSV mode All parameters shown are active in this mode Vent On SIMV PC PSV Circle Pinspired Rate Tinspired Psupport PEEP 20 10 1 5 10 cmH20 min sec cmH20 cmH20 Settings Pinspired Rate Tinspired Psupport PEEP Range 5 60 2 60 0 2 5 0 Off 2 40 Off 4 30 Increments 1cmH20 1bpm 0 1s 1 cmH20 1 cmH20 1009 0632 000 3 21 Aespire 7900 Set inspiratory pause You can only use inspiratory pause in Volume Control or SIMV modes In volume modes pressure modes Inspiratory Pause displays a message No Pause When Pause is on the inspiratory volume stays in the patient s lungs for the set pause time at the end of inspiration Pause can be set from Off to 60 percent of inspiratory time in increments of five percent Minimum pause time is 400 ms Pause AB 90 092 AB 29 013 Main Menu Ventilation Mode Step 1 Alarm Settings Select the Setup Calibration menu Setup Calibration p Push the menu key Screen and Audio Setup Cardiac Bypass No e Turn then push the knob to select Exit to Normal Screen the Setup Calibration menu AB 90 036 Main Menu Ventilation Mode Alarm Settings e Screen and Audio Setup 4 Cardiac Bypass No Exit to Normal Screen AB 90 037 3 22 1009 0632 000 Step 2 Turn th
41. ntrols 2 12 Optional auxiliary O flowmeter and suction regulators 2 19 2 1 Aespire 7900 Anesthesia system controls AWARNING Explosion Hazard Do not use S 5 Aespire systems with flammable anesthetic agents AWARNING Do notuse antistatic breathing tubes or masks They can cause burns if you use them near high frequency surgical equipment 10 g 7 8 Breathing system Flow controls Ventilator monitoring display Dovetail rails Vaporizer System switch Pipeline pressure gauge s upper row Cylinder pressure gauge s lower row 9 Brake 10 0 flush button 5 G OO NS Figure 2 1 Aespire front view 2 2 1009 0632 000 1009 0632 000 2 System Controls and Menus Figure 2 1 shows these controls on the front ofthe S 5 Aespire Item 2 Flow controls Description Turn the control counterclockwise to increase the flow and clockwise to decrease The system switch must be On for gas to flow 7 System switch Set the switch to the on position to permit gas flow and to turn on the system SA 9 Brake Push down to lock Lift to release 10 O flush button Push the O flush button to supply high flows of O to the breathing system S 2 3 Aespire 7900 Circuit Breaker for Electrical Outlet Electrical Outlet optional Equipotential Stud Mains Inlet System Circuit Breake
42. o to Off Normal volume and apnea monitoring does not change Note This alarm is the first stage in detecting a circuit disconnect The audible leak alarm cannot be turned off unless volume alarms are on and the low VE limit is set to a value other than off AB 29 013 en Main Menu Ventilation Mode Alarm Settings la Setup Calibration Screen and Audio Setup Cardiac Bypass No Exit to Normal Screen AB 90 036 Main Menu Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Setup g Cardiac Bypass No Exit to Normal Screen AB 90 038 1009 0632 000 Step 2 Turn then push the knob to select circuit leak audio Step 3 Turn then push the knob to change the setting You must push the knob to save the change Set Cardiac Bypass 1009 0632 000 3 Operation and Tutorial Alarm Settings CNE 7 Ve Auto Limits 5 0 Off Vie 600 Off Circuit Leak Audio On AB 90 054 Go to Main Menu Alarm Settings 02 18 75 Ve Auto Limits 5 0 Off Vie 600 Off RE e AB 90 056 Go to Main Menu Audio Off Then Set Cardiac Bypass to In Progress to prevent volume and apnea alarms when the patient is on cardio pulmonary bypass When Cardiac Bypass In Progress is selected the display shows e Cardiac Bypass Apnea Alarm Off s Vol Alarms Off Note The mechanical ventilation must be off When the mechanical ventilation is turned back on Cardiac Bypass r
43. ockwise minimum flow Slowly turn the N 0 flow control counterclockwise e Make sure that the O flow increases The measured O concentration must be 221 through the full range Test the Link 25 system with flow decreasing Set the N 0 flow to 9 0 L min s Set the 0 flow to 3 L min or higher e Slowly turn the O flow control clockwise s Make sure that the N 0 flow decreases The measured 0 concentration must be 221 through the full range Adjust the flow of all gases through their full range and make sure that the flowtube floats move smoothly Disconnect the O pipeline supply or close the O cylinder valve 10 Make sure that The low O supply alarm occurs s N 0 and O flows stop The O flow stops last e Air flow continues 1009 0632 000 Vaporizer installation 1009 0632 000 AWARNING 4 Preoperative Tests Gas supply alarms occur on the ventilator if the ventilator uses O as the drive gas 11 Turn all the flow controls fully clockwise minimum flow 12 Reconnect the O pipeline supplies or open the O cylinder valve 13 Set the system switch to Standby Oi Use only the Selectatec series vaporizers Tec 4 or greater Do not use a vaporizer that lifts off the manifold when the lock lever is in the locked position Do not use this anesthesia system if you can turn ON more than one vaporizer at the same time Tec 6 Plus Vaporizers will not align correctly unless the power cable
44. ontains sufficient absorbent The vaporizers are locked in position and contain sufficient agent Pipeline gas supplies are connected and the pressures are correct Cylinder valves are closed on models with cylinder supplies Do not leave gas cylinder valves open if the pipeline supply is in use Cylinder supplies could be depleted leaving an insufficient reserve supply in case of pipeline failure 10 11 12 Models with cylinder supplies have a cylinder wrench attached to the system The necessary emergency equipment is available and in good condition Equipment for airway maintenance tracheal intubation and IV administration is available and in good condition Applicable anesthetic and emergency drugs are available If the optional O flowmeter and suction regulator are ds present the system O and vacuum source must be oO connected and the system switch in the standby position A The O flowmeter provides adequate flow The suction regulator provides adequate suction Make sure the casters are not loose and the brake s is set and prevents movement 1009 0632 000 4 Preoperative Tests 13 Connect the power cord to a wall outlet The mains indicator comes on when AC Power is connected mag 425a 10 e Ifthe indicator is not on the system does not have mains electrical power Use a different outlet Close the circuit breaker or replace or connect the power cable Refer to Figure 2 2 Pow
45. ple flow should be scavenged 1 3 Occlude the patient circuit of the breathing system by using the leak test plug located to the rear of the expiratory port Check for clinically correct settings Set the Bag to Vent switch to the ventilator mode Alternatively set the Bag to Vent switch to the bag mode and set the APLto MIN and attach a bag The bellows or bag will fill slowly with the fresh gas sample flow and then spill to the AGSS 2 9 Aespire 7900 Scavenging from the external manual breathing circuit Vaporizer controls If the external manual breathing circuit is to be used with N 0 or volatile anesthetics the exhaust should be scavenged An auxiliary inlet is available for active AGSS units It provides a 30 mm male connection into the auxiliary port under the breathing system s The auxiliary inlet is a convenience inlet to the air brake of active AGSS units There is a reservoir to capture exhaust flows higher than the extract flow For all AGSS a separate exhaust hose is necessary from the external manual circuit to the disposal point Refer to the description in this section and the vaporizer operation and maintenance manual for more detailed information on the vaporizer Figure 2 5 shows the vaporizer controls Lock Lever Concentration Control and Release Tec 6 Plus Tec 7 E M LA Figure 2 5 Vaporizer controls Item Description 1 Lock lever Turn the lever fully clockw
46. pparatus with fresh gas from the ACGO s Mechanical ventilation is not available s The pressure gauge Bag Vent switch APL valve and bag arm are not part of the external circuit e Volume and pressure monitoring are not available 0 monitoring of fresh gas is available automatically when the ACGO is selected if the system has the O monitoring option 1009 0632 000 Scavenging the ACGO 1009 0632 000 sample flow 2 System Controls and Menus Fresh gas oxygen concentration is displayed on the ventilation screen Set alarm limits appropriately Note that fresh gas oxygen concentration may not reflect FiO in rebreathing circuits such as the Mapleson series Use an external O monitor if using a rebreathing circuit on ACGO A sample of the fresh gas is diverted to the O cell in the breathing system The sample flow to the O sensor is dependent on the pressure in the external circuit The sample flow reduces the fresh gas flowrate to the external breathing circuit as shown in the graph Do not use an external ventilator on the ACGO Do not use the ACGO to drive external ventilators or for jet ventilation Estimate the mean pressure required for ventilation and determine a mean sample flow rate from the graph RT PREMIER 10 20 30 40 50 60 70 8 cmH 0 Figure 2 4 Back pressure cm H30 vs flow to O sensor L min If the external manual breathing circuit is to be used with N20 or volatile anesthetics the sam
47. product group code the year of manufacture and a sequential unit number for identification AAA F 12345 D This alpha character indicates the year of product manufacture and when the serial number was assigned D 2000 E 2001 F 2002 etc I and O are not used S 5 Aespire Link 25 Disposable Multi Absorber Reusable Multi Absorber SmartVent Tec 6 Plus and Tec 7are registered trademarks of Datex Ohmeda Inc Other brand names or product names used in this manual are trademarks or registered trademarks of their respective holders 1 Introduction 2 System Controls and Menus 3 Operation and Tutorial 1009 0632 000 Table of Contents What is an Aespire 7900 1 2 Symbols used in the manual or on the equipment 1 3 Anesthesia system controls 2 2 Breathing system components 2 5 AGGO L dusted tx anh adie LG aid LR MN RENE RME d ni 2 8 Scavenging the ACGO sample flow 2 9 Scavenging from the external manual breathing circuit 2 10 Vaporizer controls 2 10 Ventilator controls 2 12 Optional Features 54 see dal aus gaine nf anse fus es 2 12 Control panel si fiat a mine 4 NE e date En RUE ie 2 12 How to set controls
48. r Cylinder s optional Pipeline Connection s NO Q E ND A Figure 2 2 s Aespire rear view 2 4 1009 0632 000 1009 0632 000 2 System Controls and Menus 8 7 6 BS Auxiliary common gas outlet ACGO switch ACGO Inspiratory check valve unidirectional valve Inspiratory flow sensor patient connection circuit connections Canister carbon dioxide absorbent Canister release Expiratory flow sensor patient connection circuit connections Leak test plug Expiratory check valve unidirectional valve 10 Breathing system release 11 Manual bag port 12 APL adjustable pressure limiting valve 13 Bag mechanical ventilation switch 14 Bellows assembly mechanical ventilation 15 Pressure gauge airway 16 Sample gas return port 17 Serial port 18 Manual Bag optional no bag arm 19 Bag arm optional ODNOA PWN K Figure 2 3 Breathing system parts 2 5 Aespire 7900 Figure 2 3 shows these controls on the front ofthe S 5 Aespire Item 1 Auxiliary Common Gas Outlet switch Description Sends fresh gas to the ACGO when the switch is activated The ACGO may be used to provide fresh gas to an external manual breathing circuit Mechanical ventilation is not available when the auxiliary outlet is selected and a medium priority alarm will sound and a message Aux Gas Outlet On is displayed Pressure and volume monitoring are not available when the AC
49. rm limits Note If the Alarm Settings page shows VE Auto Limits during mechanical ventilation the system is set to automatically calculate VE limits AB 29 013 Ventilation Mode Step 1 Alarm Settings Setup Calibration Screen and Audio Setup Cardiac Bypass No Exit to Normal Screen Select the Alarm Settings menu s Push the menu key AB 90 036 e Turn then push the knob to select Alarm Settings Ventilation Mode S Alarm Settings 8 Setup Calibration 9 Screen and Audio Setup Cardiac Bypass No Exit to Normal Screen Alarm Settings DH 7 Ve Auto Limits 5 0 Off L 600 Off la i S Circuit Leak Audio On Step 2 c Turn then push the knob to select a limit Go to Main Menu Alarm Settings CE 15 Ve Auto Limits 5 0 Off e g Ve 600 Off ee S Circuit Leak Audio On lt Go to Main Menu Step 3 Turn then push the knob to change the limit e Push the knob to save the change la D mhen e The screen returns to the normal display 25 seconds after the last change 1009 0632 000 3 9 Aespire 7900 Set an audible alarm for circuit leaks Step 1 Select the Alarm Settings menu Push the menu key Turn then push the knob to select Alarm Settings The patient circuit leak alarm is activated if less than half ofthe inspired volume returns through the expiratory flow sensor during mechanical ventilation To prevent nuisance alarms from a known leak e g an un cuffed endotracheal tube set the audi
50. s 5 to 40 41 to 60 Plimit y axis range is 5 to 60 e 61 to 100 Plimit y axis range is 5 to 100 e When the pressure scale changes existing pressure data is erased and new waveform data starts at time 0 1009 0632 000 3 27 Aespire 7900 Example Volume Control PEEP Off e Maximum sensed inspiratory pressure Pmax 25 e Mean positive airway pressure Pmean 11 Vol Alarms On 10 12 14 16 C Plimit PEEP 40 Off cmH20 cmH20 AB 90 004 Figure 3 1 s Paw waveform in Volume Control mode Example Pressure Control Pmax 34 s Upper pressure limit Plimit 40 e PEEP 10 Vol Alarms On Pmax 34 cmH20 20 Pmean 19 10 12 14 16 Plimit PEEP 40 10 cmH20 cmH20 AB 90 002 Figure 3 2 Paw waveform in Pressure Control mode 3 28 1009 0632 000 1009 0632 000 3 Operation and Tutorial Example SIMV s Plateau pressure Ppl 15 e Inspiratory time Tinspired 1 5 e Inspiratory Pause 60 Vol Alarms On ont 10 12 14 16 SIMV Mode Vr Rate Tinspired Psupport PEEP 625 4 mL min sec cmH20 cmH20 Figure 3 3 Paw waveform in SIMV mode Example PSVPro s PEEP 5 e Pressure support 10 e Mean positive airway pressure Pmean 7 Vol Alarms On 10 12 14 16 sec PSVPro Mode Rate ay a KI 10 min 10 Figure 3 4 Paw waveform in PSVPro mode AB 90 028 AB 90 087 3 29 Aespire 7900 Measure circuit compliance 3 30 To measure compressible volume i
51. s control sets the tidal volume delivered to the patient in the Volume Control and SIMV modes The figure and table below show Volume Control settings 3 19 Aespire 7900 Settings VT Rate l E Plimit PEEP Range 20 1500 4 100 2 1 1 8 12 100 Off 4 30 Increments varies 1 bpm 0 5 1 cmH20 1 cmH20 Increments of 1mL from 20 to 50 5 mL from 50 to 100 10 mL from 100 to 300 25 mL from 300 to 1000 50 mL from 1000 to 1500 Pressure Control mode the figure and table below show Pressure Control settings Went Oa Fingpired 34 Settings Pinspired Rate l E Plimit PEEP Range 5 60 4 100 2 1 1 8 12 100 Off 4 30 Increments 1cmH20 1bpm 0 5 1 cmH20 1 cmH20 SIMV mode Te figure and table below show SIMV settings SIMU Mode Circle Rate Tirrtpired Pauppart PEEP 4 1 5 10 5 nin fel eH JAHTE Settings VT Rate Tinspired Psupport PEEP Range 20 1500 2 60 0 2 5 0 Off 2 40 Off 4 30 Increments varies 1 bpm 0 1 S 1 cmH20 1 cmH20 Increments of 1mL from 20 to 50 5 mL from 50 to 100 10 mL from 100 to 300 25 mL from 300 to 1000 50 mL from 1000 to 1500 PSVPro mode psvprois pressure supported ventilation with apnea backup The figure below shows PSVPro settings In this mode the Pinspired Rate and Tinspired parameters are not active but they may be changed 3 20 1009 0632 000 3 Operation and Tutorial PSVPro Mode Rate Ti
52. s not occur e The ventilator displays the correct data s The bellows inflate and deflate during mechanical ventilation 6 Setthe O flow control to 5 L min 7 Make sure that e The end expiratory pressure is approximately 0 cm H 0 e The ventilator displays the correct data The bellows inflate and deflate during mechanical ventilation 8 Test the O monitor and alarms e Remove the O sensor and make sure the sensor measures approximately 21 O in room air e Set the low O alarm to 50 and make sure a low O alarm occurs e Set the low O alarm back to 21 and make sure that alarm cancels s Putthe O sensor back in the circuit s Set the High O alarm to 50 e Push the flush button to fill the breathing system s Make sure the high O alarm comes on s Setthe high O alarm back to 100 and make sure that alarm cancels s After 2 minutes in pure O make sure that the sensor measures approximately 100 03 9 Testthe low minute volume alarm e Goto the alarms menu s Setthe alarm limit for low minute volume to 6 0 L min s Make sure that a low minute volume alarm occurs Go tothe alarms menu Set Uhe low minute volume alarm to Off 10 Test the high airway pressure alarm e Set Primi to less than the peak airway pressure s Make sure that the high airway pressure alarm occurs e Bet Diu back to 40 11 Test the apnea and low airway pressure alarms Remove the test lung from the patient connection O
53. set to Standby alarm limits go back to Show AB90 036 AB90 039 VE 6 3 60 632 iw Main Menu Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Setup Cardiac Bypass No Exit to Normal Screen Main Menu Ventilation Mode Alarm Settings Setup Calibration Cardiac Bypass No Exit to Normal Screen Show All Hide Units Hide Alarm Limits AB 90 033 3 7 Aespire 7900 Screen and Audio Setup Display Contrast 5 Alarm Loudness 4 Step 2 a Alarm Limits Show Turn then push the knob to select Alarm s Units of Measure Show Limits or Units of lt Measure Go to Main Menu Screen and Audio Setup Display Contrast 5 Alarm Loudness 4 CRE Show 7 S Units of Measure Show x Go to Main Menu Step 3 Turn then push the knob to select Show or Show Hide Push the knob to save the change Hide Then ea 4 Turn the volume alarms on or off A WARNING Do not turn volume alarms off with a spontaneously breathing patient the system will not alarm for low volume The volume alarm key VE VrE turns volume alarms on and off When the alarms are off a large X covers the limits Use this control to prevent false alarms if you switch to manual ventilation at lower tidal volumes Vol Alarms On AB 29 014 Use the End Case key on control panel to prevent apnea alarms between patients 3 8 1009 0632 000 3 Operation and Tutorial Set ala
54. tems the absorbent material shall be changed every day preferably at the start of the day A Carbon dioxide absorbent material shall be changed whenever users cannot assure the degree of hydration of the absorbent Such conditions may include finding a machine with fresh gas that has been flowing for an unknown period of time or using a machine that is used infrequently A _ Allfresh gas flows shall be terminated when the machine is NOT in use User manuals describe how to achieve null flows A Users are advised to consider the use of low flow techniques when the machine is in use and whenever clinically appropriate to maintain hydration of the absorbent material 1009 0632 000 3 1 Aespire 7900 3 2 In this section This section describes specific tasks Use it as a step by step guide or a training tool Tumonthe system 3 4 Set the alarm loudness 3 5 Show or hide alarm limits and units 3 7 Turn the Volume Alarms on or off 3 8 Setala limits Lise MAREE AE he SU UA AE AM lect Rte 3 8 Set an audible alarm for circuit leaks 3 10 Set Cardiac Bypass 3 11 Start mechanical ventilation 3 13 Stop mechanical ventilation 3 14 AlATMSS s
55. ther alarms such as low minute volume can occur e Make sure that the low airway pressure and apnea alarms occur The apnea alarm occurs after 30 seconds 12 Test the sustained airway pressure alarm 4 15 Aespire 7900 e Setthe controls APL Valve 70 Bag Vent switch Bag e Mechanical ventilation stops when the Bag Vent switch is set to Bag Close the patient connection and push the O Flush button e Make sure that the sustained pressure alarm occurs after approximately 15 seconds at the sustained pressure limit 6 30 cm H 0 varies with pressure limit 13 Set the system to Standby o_ Breathing system tests Refer to the applicable operation manuals Ata minimum 1 Make sure that the auxiliary equipment humidifier etc operates correctly 2 Make sure that the check valves on the breathing circuit module work correctly s The Expiratory check valve 1 rises during expiration and falls at the start of inspiration e The Inspiratory check valve 2 rises during inspiration and falls at the start of expiration 1 2 4 16 1009 0632 000 1009 0632 000 AWARNING 4 Preoperative Tests Objects in the breathing system can stop gas flow to the patient This can cause injury or death Do not use a test plug that is small enough to fall into the breathing system 3 Ventilator bellows test 4 Test the Bag circuit for leaks Set the system switch to Standby Set the Bag Vent switch to
56. tilator controls 3 18 Volume Control mode 3 19 Pressure Control mode 3 20 SIM MOTE Re G L rm en na ER dem R 3 20 PSVPrO MOd6 irin TREE dae beats heed des ua ele et 3 20 Set inspiratory pause volume modes 3 22 Set SIMV and PSVPro controls 3 24 SILENCE GAINS a edad M Ed R hos ARE rt TR Sees tek 3 26 Reading the pressure waveform Paw 3 27 Soale Si de tonite tee baies dinar d atid Rae LR hand En dde 3 27 Measure circuit Compliance 3 30 Show the service settings 3 31 Measure circuit Compliance 3 33 Aespire 7900 Preoperative tests schedules 4 2 Test InteWalS 20440 Ga eed ede herded ed Bede de homed hates 4 2 TESUCOVICES gt ad base R de dan asic aR ees Pea bees Pe eee 4 3 Inspectthe System A aE 95T H ARR ene eE vainement 4 4 Power failure alarm test 4 5 Minimize alarms optional 4 5 Pipeline and cylindertestS 4 6 FIOWCOMUOLTEStS is erect aks TERRE Are se Ed te Oe led ARE AE 4 7 Vaporizer installation 4 9 Vaporizer back pressure test
57. ts 4 18 4 18 Monitor and ventilator tests 4 20 4 20 4 2 1009 0632 000 4 Preoperative Tests AWARNING Do notuse this system unless you have read each components operation and maintenance manual and understand e Al system connections e Allofthe warnings and cautions e How to use each system component e Howto test each system component Before you use this system e Complete all of the tests in this section s Test all other system components If a test failure occurs do not use the equipment Have an approved service representative repair the equipment Test devices Tne following test tools are needed for some of the tests Item Datex Ohmeda Ref Positive pressure leak test device BSI 25 kPa 1001 8975 000 Positive pressure leak test device ISO 5358 4 kPa 1001 8976 000 Positive pressure leak test adapter 1009 3119 000 Negative pressure leak test device 0309 1319 800 Test lung 0219 7210 300 Stopper test plug red silicone nominal 17 mm and 22 mm 2900 0001 000 1009 0632 000 4 3 Aespire 7900 Inspect the System A WARNING A WARNING Make sure that ZA WARNING 4 4 Make sure that the breathing circuit is correctly connected and not damaged The upper shelf weight limit is 34 kg 75 Ib The equipment is not damaged All components are correctly attached The breathing circuit is correctly connected not damaged and the breathing system c
58. tware version if facility defaults or the control settings from the previous case are used when the system is first turned on altitude and drive gas 0 or Air Screen and Alarm Limits Show displays alarm limits next to the data on the screen Audio Show Hide Vie mL Show Limits Hide Limits Units of Measure Show displays units under the data on the screen Show Hide Vie 63 700 600 Show Units Hide Units 1009 0632 000 Aespire 7900 How to change menu settings Step 1 Select the desired menu Step 2 Turn then push the knob to select an option Step 3 Turn the knob to change the setting Step 4 Push the knob to save the change This example changes alarm limits The screen goes back to the normal display 25 seconds after the last action AB 90 038 AB 90 054 AB 90 055 en Main Menu Ventilation Mode Alarm Settings Setup Calibration Screen and Audio Setup Cardiac Bypass No Exit to Normal Screen Alarm Settings 75 Ve Auto Limits 5 0 Off Vie 600 Off Circuit Leak Audio On Go to Main Menu Go to Main Menu A e B Alarm Settings SC d O 19 Ve Auto Limits 5 0 Off Vre 600 Off ea Circuit Leak Audio On d 1009 0632 000 2 System Controls and Menus Optional auxiliary 0 flowmeter and suction regulators These options are available e Auxiliary O flowmeter A continuous suction regulator or a venturi suction regulator
59. y clockwise minimum flow or OFF before you turn On the system Set the system switch to on Alarms can occur Oo Set the O flow to 6 L min S Make sure that the O flow stays constant and the float moves freely Adjust the vaporizer concentration from 0 to 1 one click at a time The O flow must not decrease more than 1 L min through the full range If the O flow decreases more than 1 L min e IYO flow decreases more than 1 L min then install a different vaporizer and try this step again Ifthe O flow decreases less than 1 L min with a different vaporizer the malfunction is in the first vaporizer Ifthe 0 flow also decreases more than 1 L min with a different vaporizer the malfunction is in the anesthesia system Do not use the system until it is serviced Complete steps 3 and 4 for each vaporizer Set the system switch to Standby o_ 1009 0632 000 Low pressure leak test A WARNING Negative low pressure 1009 0632 000 leak test 4 Preoperative Tests Do not use a system with a low pressure leak Anesthetic gas will go into the atmosphere not into the breathing circuit Perform either the Negative low pressure leak test or the ISO 5358 or BSI standard positive low pressure leak test It is not necessary to perform both types of tests 1 Setthe System switch to Standby l 2 Turn on the auxiliary common gas 2 outlet switch in the ACGO position Y 3 Testthe ne

Datex-Ohmeda Aespire 7900 Anaesthesia Machine

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