Porter Digital MDM (Cabinet Mt.) Flowmeter
Contents
1. INLET fitting on the rear of the unit see Figure 6 Hand tighten and then finish tightening with a 11 16 inch open end wrench approximately 1 8 turn Do not over tighten Hoses Hoses are manufactured for connection to the gas source in various configurations Quick Connect fittings are designed for rapid no tool connections with corresponding male female fittings or outlet stations Refer to the individual manufacturer s instructions for specific connection procedure DISS to DISS hoses are designed primarily for portable systems The gas source male DISS fittings are located on the regulators on the cylinder mount block provided with the portable units Connect the DIGITAL MDM mixer to the cylinder mount block using the appropriate nitrous oxide hose and the oxygen hose Demand Valve Resuscitator An optional Demand Valve Resuscitator for emergency oxygen resuscitation is available from Porter PN 1506 1 and connects directly to the outlet Figure 6 on the rear of the unit N O DISS Power Cord Figure 7 Installation of Power Cord Remote Mount Rear of Bag Tee Green X ID Rear of Mixed Gas Base Unit Outlet N O 0 Inlet Outlet Inlet Figure 8 Connections Schematic some components may not be part of your installation 12 FLOWMETER ACCESSORIES Three or Two Liter Reservoir Bag Install the reservoir bag by sliding the opening over the outside of the bag tee down2. Parker Hannifin Corporation Porter Instrument Division 245 Township Line Road Hatfield PA 19440 Office 215 723 4000 Fax 215 723 5106 PORTER DIGITAL MDM Operations and Installation Manual The Quality System for Porter Instrument is certified to ISO 13485 The scope of our registration is The design manufacture distribution and servicing of Nitrous Oxide Oxygen Sedation Flowmeters Gas Scavenging Systems Gas Distribution Systems and Office Communication Systems for use by a physician dentist or licensed healthcare Profession Check our website www porterinstrument com for additional information To register your product www porterinstrument com resources dental choose Warranty tab To download a User s Manual www porterinstrument com resources dental choose Manuals tab FM 1286 12 13 2013 READ MANUAL COMPLETELY Before Operating This Device Basic delivery technique is described Also this manual contains instructions on periodically required checks to be performed by the user These checks are necessary to insure the proper performance of this device and its safety features Retain this manual for future reference A WARNINGS AND PRECAUTIONS These warnings and precautions are to help you to understand how to safely operate the PORTER Digital MDM Flowmeter A WARNING alerts you to a possible hazard to people A CAUTION alerts you to the possibility of equipment damage WARNING Do no
3. 11 PA 450 1 002 O2 Hose 12 Ft 11A PA 450 1 001 O2 Hose 20 Ft 12 A 2508 000 Kit Rubber Gds Hook B 5555 000 Kit Recessed Face Mount 5555 001 Kit Under Cabinet Mount B 5555 002 i aaa Under Cabinet Base Unit Mount 5485 Bracket Face Mount Mounting Options for Bag Tee and AVS 13 2036 4 3 1 2 Wide Slide not shown 14 2036 2 5 Wide Slide not shown 15 2037 1 7 Wide Under Cabinet Mt not shown GENERAL INSTALLATION Installation 3 Use bracket shown in Figure 4 for under 1 Using the available brackets mount the cabinet mounting Turn same bracket Remote Interface Control Unit as desired upside down not shown for table top mount see Figure 2 Shown for recessed into wall Kit B 5555 001 Kit B 5555 000 Figure 2 Control Unit recessed mount Figure 4 Control Unit under cabinet mount 4 Typically mount the Base Unit in a horizontal orientation Figure 5 Using same mounting plate may also be mounted vertically up 2 For mounting on to wall see Figure 3 first remove side screws to separate back bracket from Control Unit Mount back bracket to wall Slide Control Unit on to back bracket and down or side Do not mount Base Unit install and tighten side screws again upside down Adding 2 brackets allows for Bracket B 5485 mounting Base Unit horizontally but in an under cabinet orientation Kit B 5555 002 Z bracket Control Unit Interface Figure 3 Control Unit
4. OXYGEN while this message is displayed the unit compensates by increasing the total flow rate FLUSH FLOW LOW This message indicates that the oxygen flush flow rate is less than 10 LPM Check the oxygen supply pressure KEY PAD CONTROLS CAUTION Operate key pad with finger pressure only Do not use hard or sharp objects Failure to do so may result in DAMAGE to front panel On Off Key The ON OFF key controls the operation of the unit Momentarily depressing the ON OFF key changes power state from OFF to ON or ON to OFF Note If the power to the unit is interrupted and then restored either by disconnecting reconnecting the power cord or by local power failure the unit will display OFF The operator must press the ON OFF key to restart the unit The unit will then display default values of 100 oxygen at 5 LPM CAUTION After turning the device off or when the unit is not in use all oxygen and nitrous oxide supply cylinder valves must be closed Flow Control The LPM FLOW key pad A or V controls the total flow rate delivered by the unit Pressing the appropriate key momentarily increases or decreases the total flow rate by 0 1 LPM By pressing and holding a key the total flow rate indication changes slowly for the first two steps then changes at a faster rate for the remainder of the time the key is held An audible signal indicates that a limit has been reached 960 Control The OXYGEN key pad A or V controls
5. FLOWMETER FRESH GAS Y ADAPTER CONNECTOR VACUUM HOSE i tS S SS Y CONNECTOR FRESH GAS TUBING TO Y CONNECTOR 2n Wy SS VACUUM HOSE gt VACUUM TUBE VACUUM TUBE PORTER HOLDER HOLDER DIGITAL FN fC Ln TO VACUUM SOURCE ADAPTER qp w HL nm 4 3 H HEIETE B GEB Tm 5 HIGH VOLUME EVACUATION HIGH VOLUME EVACUATION MDM BASE UNIT 7 202 DISS MALE goo CONNECT TO MIXED GAS HOSE BARB m 4 THROUGH WALL AUTOMATIC 100 ADAPTER ASSEMBLY VACUUM N20 DISS MALE SWITCH j O2 INLET 50 PSI FROM TANK ROOM el N20 INLET 50 PSI FROM TANK ROOM COPPER PIGTAILS PORTER DIGITAL SYSTEM COMPONENTS amp ACCESSORIES Item No Part Number Description 1 40152601 PORTER DIGITAL MDM 2 5 5000 5 optional 3 5501 Vacuum Block Kit optional 4 5155 1 Adult Rubber Gds w Vacuum Block 4 5155 3 Adult Rubber Gds no Vacuum Block 5 P1407A Bag Tee 6 4100 3L Bag 7 A 2633 000 Adapter for Bag Tee 8 A 1679 Remote Bag Tee Adapter 9 B 2460 001 O2 Check Valve 9A 2461 001 2 Check Valve 10 8005 O2 Hose Diss Diss 5 Ft 10A 8505 N2O Hose Diss Diss 5 Ft 10B 80012 O2 Hose Diss Diss 12 Ft 10C 85012 N2O Hose Diss Diss 12 Ft
6. Weight 6 Ibs Flow Requirements 10 LPM minimum flow Control Unit Physical Gas Delivery Dimensions 3 5 Hx 9 5 W x 1 5 D Oxygen Flush 10 to 30 LPM 20 LPM nominal 50 psi input Fittings Minimum Nitrous Oxide Concentration 00 Mixed Gas Outlet 1 4 Hose Barb Maximum Nitrous Oxide Concentration 70 Bag Tee Outlet 22mm OD Minimum Oxygen Concentration 30 Nitrous Oxide Inlet Male DISS CGA 1040 Maximum Oxygen Concentration 100 Oxygen Inlet Male DISS CGA 1240 Flow Range 100 Oxygen 1 0 to 9 9 LPM Flow Range Any Mixture upto 9 9 LPMT Environmental tLow end flow limited by 1 0 LPM oxygen limit Storage Temperature l0 F to 120 F I7 C to 48 Allow to stabilize to room temperature Electrical Domestic 115 120 V before operating Input Voltage Supply 115 VAC nominal Operating Temperature 72 F nominal 22 Input Line Frequency 60Hz Humidity Ambient non condensing Circuit Protection two 2 5 amp time delay fuse PN 63882537 Gas Supply Oxygen Inlet Electrical International 220 240 V Pressure Requirements 50 to 55 psi Input Line Frequency 50 60 2 Flow Requirements 30 LPM minimum flow Circuit Protection two 2 5 amp time delay fuses PN 63882537 Note A minimum oxygen flow of 60 LPM is required when using the optional Demand Valve Resuscitator Performance and Accuracy Controlled Variable 50 55 PSIG Sources Oxygen Flowrate from 1 0 to 9 9 0 5 LPM Nitrous Oxide Flowrate fro
7. control knob Vacuum flow is most effective when the ball float is set within the green bar area Installation of AVS to Flowmeter Screw AVS 5000 knurled seal nut down tight onto flowmeter making sure the rubber washer is inside the seal nut When tight the AVS should not rotate Then screw the bag tee seal nut onto the AVS Bag tee should not rotate Connecting AVS to Vacuum Hoses Attach one end of the vacuum hose to the vacuum hose Y connector and the other end to the MASK port of the AVS Attach a second vacuum hose to the VAC port of the AVS and the other end to the vacuum source Refer to FM 809 for User Instructions Assembly Installation and Cleaning 13 Porter recommends that effective scavenging can be achieved with the ball float in the green bar area of the acrylic sight glass however NIOSH publications conclude that higher vacuum flows of up to 45 L min are most effective To meet the NIOSH recommendation of 45 L min adjust the ball above the green bar area CAUTION DO NOT PROCESS ANY LIQUIDS OR DEBRIS THROUGH THE AVS This contamination can cause damage and affect the function of the unit The AVS is designed to regulate the vacuum flow level for scavenging of Nitrous Oxide Oxygen gas only CAUTION The vacuum system should be equipped with a back flow shutoff device to prevent carryover of fluids into equipment attached to the piping systems It is recommended that a separate vacuum trap be used between the piping system and
8. onto flowmeter making sure the rubber washer is inside the seal nut When tight the bag tee should not rotate Note Fit mask to patient so inner mask is pulled down tight secure to the face Outer mask should not be against the face Vacuum needs to be drawn into outer mask during inhalation 14 ACCESSORY MONTHLY CHECKS Non Rebreathing Valve Check Monthly Place the On Standby switch in the STANDBY Off position Disconnect the corrugated rubber tubing from the Rubber Goods and breathe into the corrugated tubing connected to the bag tee You should not be able to fill the bag with exhalation gas If the bag fills the system s Non Rebreathing Valve See Fig 10 below is not functioning properly and should be replaced Emergency Air Intake Non Rebreathing Valve Figure 10 Emergency Air Valve Check Monthly Place the On Standby switch in the STANDBY Off position Disconnect the corrugated rubber tubing from the gas scavenging apparatus and draw air with your mouth through the corrugated tubing connected to the bag tee With gas bag fully collapsed you should be able to draw ambient air through the Emergency Air Valve See Fig 10 above Air going through the valve sounds different than normal gas flow 15 SIDE EFFECTS CONTRAINDICATIONS Note This is not an exhaustive list The list was prepared from published articles Possible Side Effects of Nitrous Oxide Oxygen Conscious Sedation May experience naus
9. operator to adjust the percent of oxygen through a range of 10096 to 3096 and thereby control the ratio of oxygen to nitrous oxide The operator can also control the total volume of mixed gas up to 9 9 liters per minute Mixture Control The DIGITAL MDM mixer precisely mixes oxygen and nitrous oxide from local cylinders or pipeline gas systems and delivers the electronically controlled mixture to the bag tee outlet Built In Safety A series of alarms see Safety Alarm System page 6 alert the user to any problem condition within the DIGITAL MDM mixer unit or in the gas supply Displays and Indicators In the following the location numbers refer to Figure 1 Flow Display The LPM FLOW display 4 normally displays the total gas flow rate It also displays the individual nitrous oxide or oxygen flow rates when either the 0 or flow display controls 6 are pressed The gas flow being displayed is indicated in the flow indicator 5 by O2 TOTAL 0 96 OXYGEN Display The OXYGEN display 3 indicates the oxygen concentration set point in the total flow Gas Flow Indicators Gas flow is indicated by bar graph LEDs 1 A green bar graph represents while blue represents the N20 flow The number of lit bars gives a graphical indication of the flow level of a particular gas 2 4 1 3 Flow Display Gas Flow SPAY Oxygen 5 Indicators Display Flow Indicator e NITROUS FAILURE
10. the percentage of oxygen delivered by the unit Press the appropriate key momentarily to increase or decrease the oxygen percentage one step 1 or 5 Pressing and holding the key changes the oxygen percentage slowly for the first two steps then faster for the remainder of the time the key is held This varies the ratio of oxygen to nitrous oxide An audible signal indicates that a limit has been reached Setting OXYGEN Step Amount 1 or 5 The DIGITAL MDM mixer is shipped from the factory programmed to change 1 for each press of the OXYGEN key pad or The amount can be changed from 1 to 5 by using the DISPLAY N O and DISPLAY keys and the following procedure 1 Press and hold the DISPLAY 0 key 2 While pressing the DISPLAY 0 key press the DISPLAY O key until the audible alarm sounds 3 Release both keys The audible signal indicates the change has occurred and is programmed in memory The unit will remain in the new mode until this sequence is repeated Unplugging or turning the unit off will not affect the programmed mode Flow Display Control The key pad DISPLAY O or DISPLAY 0 select the gas flow rate displayed on the flow display Press and hold the DISPLAY 0 key to display the nitrous oxide component of the total flow Press and hold the DISPLAY key to display the oxygen component of the total flow If neither key is held the LPM FLOW display indicates the total gas flow
11. 1 LPM OXYGEN NO LIMIT FLUSH FLOW LOW E 7 I Flush Controls Flow Display Alarm Test Controls ON OFF Silence Button Flow Control Button AA171500i Figure 1 PORTER DIGITAL MDM Mixer Control Unit Front Panel figure shows all LEDs illuminated SAFETY ALARM SYSTEM There are four alarm conditions on the DIGITAL MDM mixer They appear in the safety alarm display see Figure 1 item 2 only when conditions warrant Otherwise they are not visible The alarm conditions are OXYGEN FAILURE This alarm indicates that the set oxygen flow cannot be delivered Check the oxygen supply During an OXYGEN FAILURE alarm the nitrous oxide delivery is automatically shut off The LPM FLOW and OXYGEN displays are off NITROUS FAILURE This alarm indicates that the set nitrous oxide N2O flow cannot be delivered Check the nitrous oxide supply During a NITROUS FAILURE alarm the LPM FLOW display indicates oxygen flow and the OXYGEN display is off Both the OXYGEN FAILURE and NITROUS FAILURE are self canceling alarms When the gas is restored the unit returns to the flow rate and mixture ratio which were in effect before the alarm condition 1 LPM OXYGEN LIMIT This message is displayed when the oxygen flow rate reaches a value of 1 LPM liter per minute the unit will not allow the oxygen flow rate to go below this value If the user attempts to lower the
12. FOR ANALGESIA DELIVERY SYSTEM This device is intended for patient use by an attending physician dentist or licensed professional properly trained in its use Porter Instrument recommends the user be thoroughly familiar with the use of Nitrous Oxide Oxygen Conscious Sedation for patient analgesia and be properly trained in its administration prior to using this product For training requirements on the administration of Nitrous Oxide Oxygen Conscious Sedation contact the appropriate regulatory authority in your country state or province Training is recommended to provide a practical hands on capability and an understanding of the behavioral aspects of Nitrous Oxide Sedation and will complement the safety features of this device The devices permit the operator to adjust the percent of oxygen through a range of 10096 to 3096 and thereby control the ratio of oxygen to nitrous oxide The operator can also control the total volume of mixed gas up to 9 9 liters per minute Use Scavenging Monitor for in the patient treatment area to insure that controls are effective in achieving low levels of PPM parts per million exposure Contact your Porter dealer for details on monitors and testing Gas Supply Connection After installation of the flowmeter connect the nitrous oxide and oxide supply lines to the Diameter Indexed Safety System DISS fittings located on the back of the flowmeter base unit It is important that the regulators for both g
13. GEN FAILURE alarm illuminates the audible alarm sounds flow indicators are off the LPM FLOW and OXYGEN displays are off the gas flow indicator shows no bars Turn on the oxygen gas supply and the unit should return to normal operation The alarm may continue to chime for up to 20 seconds after restoration of gas pressure Nitrous Failure Test Set the LPM FLOW display to 9 9 LPM Set the OXYGEN display to 3096 Turn off the nitrous oxide gas supply to the unit When the gas runs out make sure each of the following occurs the NITROUS FAILURE alarm illuminates 17 the audible alarm sounds the LPM FLOW display indicates the oxygen flow being delivered the OXYGEN display is OFF gas flow indicator is OFF the gas flow indicator shows at least 3 bars Turn on the nitrous oxide gas supply The unit should return to normal operation The alarm may continue to chime for up to 20 seconds after restoration of gas pressure Indicated Flow Delivery Test Set the OXYGEN display to 10096 Press the V flow key and hold as shown in Figure 1 The flow rate should decrease to 1 0 LPM An audible alarm sounds at the lower limit while the key is held Press the A flow key and hold The flow rate should increase to 9 9 LPM An audible alarm will sound at the upper limit as long as the key is held Indicated Percentage Delivery Test Set the LPM FLOW display to 9 9 LPM
14. Oxygen Flush Key Pushing the FLUSH key delivers 10096 oxygen directly to the mixed gas outlet at the rear of the unit This outlet is connected to the patient through the breathing tube connector see Figure 2 While the key is pushed 10096 oxygen is delivered continuously at a minimum flow rate of 20 LPM Releasing the key returns the unit to the flow rate and mixture ratio which were in effect prior to the flush Alarm Test Silence Key The alarm test silence key serves two functions When pressed all the display indicators and the audible alarm turns ON This key also silences the audible alarm when a NITROUS FAILURE condition exists The audible alarm will be silent for about five minutes and then resume unless the failure condition has been corrected Machine Diagnostics The DIGITAL MDM mixer performs self checks at start up and during operation If any errors are detected the unit displays EE on the OXYGEN display and an error code on the LPM FLOW display If an error code appears remove the unit from patient service and call the Porter Technical Service Department at 1 888 723 4001 To aid in the diagnostics of the unit make note of the final error code displayed PORTER DIGITAL SYSTEM ILLUSTRATION NASAL INHALER FRESH GAS EXHALED GAS 7 EMERGENCY AIR INTAKE PATRIS TEN NON REBREATHING REMOTE MOUNT 2 VIA HOSES VALVE AFTER PAR 22mm RIGHT ANGLE ASSEMBLY
15. Press and hold the W OXYGEN key The OXYGEN display should decrease to 30 The audible alarm sounds at the lower limit while the key is held Press and hold the A OXYGEN key as shown in Figure 1 The 96 OXYGEN display should increase to 10096 An audible alarm sounds at the upper limit while the key is held Basic Delivery Technique Practice titration Titration is method of administering a substance by adding definitive amounts of a drug until an endpoint is reached For nitrous oxide oxygen O sedation N20 is given in incremental doses until a patient has reached a comfortable relaxed state of sedation The ability to titrate is a significant advantage because it limits the amount of drug to that which is required by the patient If titration is done properly the patient does not receive any more of the drug than is necessary The amount of N5O required by a patient on any given day or time varies For information on titration a most valuable resource for the practitioner is the Handbook of Nitrous Oxide and Oxygen Sedation written by Clark and Brunswick and published by Mosby www mosby com This text is a concise and contemporary guide for nitrous oxide oxygen administration Maintenance The DIGITAL MDM mixer is a precision analgesia mixing unit As with any medical instrument it requires periodic inspection and maintenance The following routine maintenance procedures should be perfor
16. act infection chronic obstructive pulmonary disease COPD cystic fibrosis shock acute pulmonary edema APE pneumothorax and major chest or maxillofacial trauma bleomycin therapy recent pneumoencephalography Pregnancy first trimester patient may wish to contact OBGYN medical professional 16 PREPARATION FOR USE TESTS TECHNIQUES MAINTENANCE CAUTION Before using the DIGITAL MDM mixer check the operation of the unit by performing the following tests Performance Checks These preliminary tests must be conducted to ensure that your analgesia mixer is performing correctly If the unit fails any one of the following performance checks the unit must be returned for service Machine Turn On Test Press the ON OFF key as shown in Figure 1 After the device goes through an initialization routine the OXYGEN and LPM FLOW displays should indicate 10096 and 5 LPM Alarm Indicator Lamp Test Press the alarm test silence key as shown in Figure 1 and observe that all the alarm readouts illuminate The OXYGEN and LPM FLOW displays should show 8 8 8 and 8 8 respectively The alarm readouts should illuminate with the numerical displays 10 bars on each gas should illuminate The audible alarm should also sound Oxygen Failure Test Set the LPM FLOW display to 9 9 LPM Set the OXYGEN display to 5096 Turn off the oxygen gas supply to the unit When the gas runs out check for each of the following the OXY
17. ases be set to give pressures in the range of 50 PSIG to 55 PSIG Confirm the absence of leaks at pressure connections on the base unit Bubbles will appear at leaking locations when a soap water solution is used User Responsibility This product should not be repaired other than in accordance with written instructions provided by Porter 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 Porter It is the user s responsibility to ensure that the correct gas at the correct pressure is supplied to the fittings at the rear of the base unit Machine Diagnostics The DIGITAL MDM mixer performs self checks at start up and during operation If any errors are detected the unit displays EE on the display and an error code on the FLOW display If an error code appears remove 4 the unit from patient service and call the Porter Technical Service Department at 1 888 723 4001 To aid in the diagnostics of the unit make note of the final error code displayed Description of Unit The DIGITAL MDM mixer consists of a Control Unit attached to a Base Unit via an Interface cable Note Control and Base Units are calibrated together and must remain together match serial numbers on each unit Only use Porter Interface cable EMI protection The Control Unit interface is shown in Figure 1 The device permits the
18. d be consulted to confirm the Protective Earth ground connection Do not use an electrical cord with nicks cuts or other damage Do not use the unit with an extension cord as it will be subject to electromagnetic interference REQUIREMENTS AND FEATURES BAG TEE REQUIREMENTS A bag tee containing an air inlet valve is required for use with this unit The bag tee is provided separately for remote mounting Porter Scavenging Nasal Inhalers provide the patient connection FACILITY PIPING The user MUST perform tests independent of the dealer or contractor to verify that all pipelines are connected correctly If you are unfamiliar with piping systems consult NFPA 99 Health Care Facility piping guidelines The user has the ultimate responsibility for properly connected pipelines essential to patient safety DIAMETER INDEXED SAFETY SYSTEM Gas connections in the DIGITAL MDM mixer are mechanically indexed using the Diameter Indexed Safety System DISS This feature helps to prevent the crossing of pipelines Under no circumstances should these connections be altered DISCONNECT POWER There are no user serviceable parts inside this unit A shock hazard exists if power is not disconnected prior to any internal servicing or maintenance Always disconnect the power source before inspection or repair SAFETY ALARM SYSTEM TEST The user should test the alarm system for proper operation prior to each clinical use INTENDED USE FLOWMETER
19. e professional CAUTION Always use clean dry medical grade gases Introduction of moisture or other contaminants into this device may result in defective operation CAUTION Do not attempt to repair alter or calibrate this device Unauthorized repair alteration or misuse of this device is likely to adversely affect the performance and will void the warranty CAUTION Never oil or grease any part of this system minimize fire or explosion potential Symbol Description psSlF o MEDICAL EQUIPMENT WITH RESPECT TO ELECTRIC SHOCK FIRE AND US MECHANICAL HAZARDS IN ACCORDANCE WITH UL 2601 1 AND CAN CSA C22 2 NO 601 1 3457 Ny Alternating Current Protective Earth ground Attention consult the accompanying documents A WARNINGS and PRECAUTIONS ELECTRICAL CONNECTIONS amp GROUNDING INSTRUCTIONS The unit must be grounded If it should malfunction or breakdown grounding provides a path of least resistance for electrical current to reduce the risk of electric shock A known Protective Earth ground connection must be made via one of the following methods 1 The third wire on the power cord when plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes or ordinances 2 The external ground lug on the rear of the device A Protective Earth ground connection is a connection attached to the facility grounding point outside the facility A licensed electrical person shoul
20. ea vomiting excessive sweating euphoria excitement deep sedation drowsiness sleep dizziness lightheadedness dysphoria amnesia and headaches Precautions and Contraindications for Nitrous Oxide Use Precautions Relative Contraindications Discontinue the Nitrous Oxide delivery if observed prolonged inspirations irregular breathing involuntary eye movements swallowing or gagging dilated pupils and rigid muscles Side effects e g nausea vomiting dizziness dysphoria etc are not tolerable Current vitamin B42 deficiency Bronchoconstrictive disease asthma at determination of medical professional The use with pediatric patients especially age 1 to 4 years requires caution and specific protocols developed by the medical professional upper age limit at determination of medical professional Weight limitations at the determination of medical professional Contraindications Inability to hold own face mask impaired oxygenation or hemodynamic instability Acute drug or alcohol intoxication or impaired consciousness head injury endocrine or metabolic disease patients taking antidepressant or psychotropic drugs psychologic impairment patient who has taken medication to induce sleep Decompression injuries increased intracranial pressure increased intraocular pressure intraocular surgery bowel obstruction middle ear surgery emphysema pulmonary hypertension and others Current upper respiratory tr
21. m 1 0 to 7 0 LPM 0 5 LPM Nitrous Oxide Flowrate from 0 1 to 1 0 LPM 0 5 0 9 LPM Percent 2 5 points 2 gt 1 0 LPM Percent O2 20 10 points N2O lt 1 0 LPM Pure Oxygen Flush 20 LPM Nominal at 50 PSIG Input Check out our website www porterinstrument com for the following topics Flowmeter Mounting Options Flowmeter Accessories Product Warranty and Registration And Downloading User Manuals Parker
22. med to ensure system integrity and trouble free service Inspect mixer hoses and connections daily for damage wear and leaks 18 Perform functional tests prior to each use These tests are described in Performance Checks While cleaning the outside of the unit observe caution so that liquid does not get inside Porter recommends using a damp wrung toward dry cloth moistened with a mild soap or a plastic safe cleaner Do not spray directly on the case A hard surface disinfectant may be applied in the same manner CAUTION DO NOT submerge the unit use a damp cloth A WARNING Before cleaning the unit disconnect the DIGITAL MDM mixer s power cord from the electrical power supply Fuse Replacement in Domestic 115 120V and International 220 240V 1 To replace a blown fuse turn the unit OFF disconnect power to the unit by unplugging the power cord from the wall and then remove the power cord from the input connector on the rear of the unit 2 Open the fuse compartment as shown in Figure 11 3 Remove each blown fuse from its clip and replace it with a 5mm x 20mm cartridge fuse rated 2 5 amp 250 volt slo blo time delay part number 63882537 Two fuses are required for the unit to operate Figure 11 Fuse Replacement SPECIFICATIONS Base Unit Physical Dimensions 10 W x 5 5 H x 14 D with hoses and Nitrous Oxide Inlet interface cable connected Pressure Requirements 50 to 55 psi
23. mount directly to wall J Mounting Plate Figure 5 Porter Digital MDM connected with interface cable 10 5 Attach one end of the Interface Cable to the Base Unit and the other end to the Control Unit Note Be sure to use the Porter cable that came with the unit and that the cable connector is screwed in at each end see Figure 5 6 Install the Remote Surface Bag Tee mount Installation of Rubber Goods Refer to FM 809 for installation of Rubber Goods Installation of Power Cord Insert the power cord into the input connector on the rear of the unit see Figure 7 WARNING For safety a Protective Earth ground connection must be made through power cord 3rd wire or Ground Lug see Figure 7 WARNING Not providing a valid Protective Earth ground connection can result in the risk of electric shock Connection of Oxygen Nitrous Oxide For safety reasons gas connections are color coded and mechanically indexed using the Diameter Indexed Safety System DISS to prevent accidental cross connection DISS female hexagon fittings are standard for both hoses 11 1 Connect the DISS female hexagon fitting of the nitrous oxide hose to the male DISS N2O INLET fitting on the back of the mixer head see Figure 6 Hand tighten and then finish tightening with a 7 8 inch open end wrench approximately 1 8 turn Do not over tighten 2 Connect the DISS female hexagon fitting of the oxygen hose to the male DISS
24. nd conformation to local fire codes all Porter Instrument flowmeter systems are designed to be used with sedation delivery systems mounted inside walls and they meet or exceed the guidelines established by the National Fire Protection Association for Nonflammable Medical Gas Systems NFPA 99 Copies of NFPA 99 or portions thereof may be obtained by writing to National Fire Protection Association Batterymarch Park Quincy MA 02269 9904 or call 1 800 344 3555 WARNING New or modified installations properly connected gas pipelines are absolutely essential to patient safety The authorized distributor or contractor should provide written documentation that all gas pipelines are connected properly and that the system has been pressure tested prior to use While this is a good business practice it is important that the user verify by their own test independent of the authorized distributor or contractor that all gas pipelines are connected correctly prior to using the System The ultimate responsibility of assuring that lines are not crossed rests with the user WARNING During any power outage remember to turn OFF the flowmeter and manually turn OFF the tank valves With centralized electrically powered gas systems if gas was flowing when the power went out and the flowmeter is left ON gas will be flowing when the power is restored CAUTION This device is for use by or on the order of a physician dentist licensed healthcar
25. spout The bag moves in and out with each inhalation and exhalation and becomes a visual barometer for monitoring the patient s respiration rate Refer to FM 809 for User Instructions Assembly Installation and Cleaning Gas Scavenger Breathing Circuit Gas scavenger system is used to remove exhaled gases during a dental analgesia conscious sedation procedure in a dental operatory The breathing circuit consists of a 22mm 90 elbow connector fresh gas coaxial tubing a corrugated hose and hood assembly Attach the nasal inhaler to the coaxial tubing assembly using the diameter indexed connectors Attach one end of the fresh gas corrugated tubing to the coaxial tubing assembly at the fresh gas Y connector and the other end to the 22mm right angle adapter Press fit the 22mm right angle adapter onto the bag tee Attach a 2L or 3L reservoir bag to the bottom downspout of the bag tee Attach the vacuum hoses to the vacuum control source AVS or In line Vacuum Control Block Refer to FM 809 for User Instructions Assembly Installation and Cleaning 5061 Connector Installation Do not install 2 connectors together Fresh Gas pvo f 7mm 3mm ID ID Figure 9 5061 Connector Installation Gas Scavenger Breathing Circuit with AVS The AVS is used to control the vacuum flow in the gas scavenger breathing circuit and assure that the scavenging system is activated as soon as 0 is turned ON Adjust the vacuum flow using the
26. t use this device for the administration of general anesthesia or as a part of or in conjunction with general anesthesia administration system WARNING Workers are exposed to NO during administration of N2O O conscious sedation analgesia NIOSH has recommended that exposures should be minimized Contact NIOSH 1 800 35 NIOSH to receive NIOSH Publications on Control of Nitrous Oxide in Dental Operatories Exposure can be minimized by effective controls National Institute for Occupational Safety and Health NIOSH publications state that controls including System Maintenance Ventilation and Work Practices can effectively reduce concentrations in patient procedures Your flowmeter accessory Porter scavenger system is an important part of the system of controls WARNING Porter Instrument equipment utilizes the cross protection system The flexible hose and connectors that connect to the flowmeter are diameter indexed 3 8 O D for Nitrous Oxide and for Oxygen The cross protection system is designed to prevent misconnection of Oxygen and Nitrous Oxide piping DO NOT ATTEMPT TO CHANGE THE DIAMETERS CONNECTORS THE FLOWMETER Tampering with the cross protection system constitutes acceptance of liability by the installer For your own protection as well as that of the Doctor and the patients use 3 8 O D tubing for all Nitrous Oxide lines and 7 tubing for all Oxygen lines To assure safe operation a
27. the vacuum station inlet or any equipment that is attached to the system In line Vacuum Control Kit Option The kit includes a vacuum control block with sight glass vacuum tube holder adapter T and straight fitting The vacuum control block can be inserted directly into the High Volume Evacuation HVE line or may be placed in line by cutting the vacuum hose and attaching the cut ends of the tubing to both ends of the vacuum control block Adjust the vacuum flow using the control knob Vacuum flow is most effective when the ball float is set within the green bar area Refer to FM 809 for User Instructions Assembly Installation and Cleaning Bag Tee The Bag Tee assembly features a Non rebreathing Valve and an Emergency Air Intake located on the Bag Tee which comply with American Dental Association guidelines The non rebreathing valve has a back flow check valve which prevents exhaled gases from entering the breathing bag no carbon dioxide buildup The emergency air intake has a valve that allows room air to be inhaled into the breathing circuit by the patient A breathing bag is attached to the metal portion of the Bag Tee and is a reservoir bag for the delivered analgesia gases which when taken together with the two valves above becomes the visual barometer for monitoring the patient s respiration rate The bag moves in and out with each inhalation and exhalation Bag Tee Installation to Flowmeter Screw knurled seal down tight
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