Covidien Puritan Bennett 540 User Manual Download

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Puritan Bennett 540™

Ventilator

User’s Manual

Summary of Contents for Puritan Bennett 540

Page 1: ...Puritan Bennett 540 Ventilator User s Manual...

Page 2: ...Bennett product manual web page at http www puritanbennett com serv manuals aspx While the information set forth herein is believed to be accurate it is not a substitute for the exercise of professio...

Page 3: ...nel 2 4 2 7 Control Panel 2 5 2 8 Ventilation Menu 2 6 2 9 Alarm Menu 2 7 2 10 Waveforms Menu 2 8 2 11 If Ventilator Failure Occurs 2 8 3 Alarms and Troubleshooting 3 1 3 1 Alarm Level of Priority 3 1...

Page 4: ...tion 5 2 5 3 Stopping Ventilation 5 4 5 4 Turning Off the Ventilator 5 5 6 Internal Battery 6 1 6 1 Battery Capacity 6 1 6 2 Battery Operation 6 2 6 3 Testing the Battery 6 4 6 4 Recharging the Batter...

Page 5: ...and IEC Classification A 17 B Operational Verification Checklist B 1 C Unpacking and Preparation C 1 D Modes and Breath Types D 1 D 1 Modes of Ventilation D 1 D 1 1 Assist Control A C Modes D 1 D 1 2...

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Page 7: ...ng the DC Power Cable to the Ventilator 4 6 Figure 4 7 Single Limb Patient Circuit 4 8 Figure 4 8 Double Limb Patient Circuit 4 9 Figure 4 9 Close up of Exhalation Valve Tube and Proximal Pressure Tub...

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Page 9: ...Parameter Specifications and Tolerances A 3 Table A 9 Volume Performance Test Results A 3 Table A 10 Monitored Parameter Specifications and Tolerances A 4 Table A 11 Ventilator Range Resolution and Ac...

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Page 11: ...products sensitive to electrostatic discharges must include the use of Electrostatic Discharge ESD protection devices and knowledge of the following symbol s meaning as well as using original spare pa...

Page 12: ...the link at http www puritanbennett com Here you will find answers to frequently asked questions about the Puritan Bennett 540 Ventilator and other Puritan Bennett products 24 hours a day 7 days a wee...

Page 13: ...540 Ventilator In order to use the ventilator correctly and efficiently and to help prevent incidents please pay particular atten tion to sections 1 2 Warnings and 1 3 Cautions as well as all warnings...

Page 14: ...re this cycle completes Due to its limited internal battery s reserve capacity the ventilator should only be operated occasionally while powered by its internal battery Ensure that the internal batter...

Page 15: ...e subject to strict transport conditions established by the US Department of Transportation 49 CFR 173 185 as well as other international transportation regulations This classification and regulatory...

Page 16: ...cured the attachment located on the power cable must be fitted into the power cable holder incorporated in the battery access cover and located under the AC mains power socket Refer to section 4 2 Con...

Page 17: ...your Customer Support representative before attempting to use a heated humidifier Always position a humidification device so that it is lower than both the ventilator and the patient Use water traps...

Page 18: ...obstructed The alarm can be paused with the Alarm Pause function by pressing the ALARM CONTROL key twice once the alarm has been declared Monitor the patient s state of health in order to ensure that...

Page 19: ...evice stopped immediately The exhalation block is intended for single use by a single patient It may periodically be cleaned but it cannot be disinfected or sterilized To maintain good measurement qua...

Page 20: ...atient and or possible damage to the ventilator before using the ventilator use a flow meter flow regulator to regulate the oxygen supply to specifications before connecting the ventilator to the oxyg...

Page 21: ...d not compressed To connect the ventilator to a Nurse Call device contact Puritan Bennett to check the ventilator s compatibility with the Nurse Call device and order a suitable connection cable Do no...

Page 22: ...nnett may lead to an increase in electromagnetic emissions or a decrease in the equipment protection against electromagnetic emissions If the ventilator is used adjacent to such accessories or stacked...

Page 23: ...r s front panel ALARM CONTROL key see Figure 2 3 on page 2 5 item 3 See my notes to the left and below in red This key is used to cancel the audible portion of alarms for 60 seconds at a time cancel a...

Page 24: ...esenting the fastest rise time and setting 4 representing the slowest Flow shape flow distribution shape inspiratory phase parameter These symbols appear on the ventilation mode menu screens selectabl...

Page 25: ...s Alarm Paused reset cancelled This symbol means one or more alarms have been paused or reset cancelled For more information refer to section 3 5 Resetting Pausing Alarms Single patient use only ISO 7...

Page 26: ...as Inlet Label Figure 1 1 Figure 1 5 3 Oxygen Inlet Marking and Label Figure 1 4 4 Exhalation Valve and Patient Pressure Connection Label Figure 1 1 Figure 1 3 Figure 1 5 5 Exhalation Limb Connection...

Page 27: ...ion Label Figure 1 3 13 Warning Caution Label Figure 1 2 Figure 1 4 14 See Instructions For Use Label Figure 1 5 15 PC Connection marking Figure 1 4 16 USB Port marking Figure 1 4 17 Nurse Call Cable...

Page 28: ...Safety Information 1 16 Puritan Bennett 540 Ventilator User s Manual Figure 1 1 Locations of Labels Top Front View Figure 1 2 Locations of Labels Front Left View 1 2 4 5 5 7 13...

Page 29: ...ion and Instruction Information Puritan Bennett 540 Ventilator User s Manual 1 17 Figure 1 3 Location of Labels Front Right View Figure 1 4 Location of Labels and Markings Back Left View 4 2 12 1 7 10...

Page 30: ...n Bennett 540 Ventilator User s Manual Figure 1 5 Location of Labels Bottom Front View 5 8 2 4 NOTE To view labels items 11 and 14 Battery Cover and Internal Battery must be removed Refer to section 6...

Page 31: ...tending physician Positive Pressure ventilation Assist Control SIMV or CPAP modes of ventilation Breath types including Volume Control Pressure Control and Pressure Support Target Environments The ven...

Page 32: ...a caregiver For more information refer to chapter 3 Alarms and Troubleshooting Settings A software key known as the Locking Key restricts access to ventilation parameter settings and ventilation mode...

Page 33: ...tatus and alarm priority level Control functions include turning the ventilation on and off configuring ventilation modes silencing and canceling alarms and setting device and alarm parameters 6 Later...

Page 34: ...e oxygen source via an adaptor connected to the O2 Inlet refer to section 4 8 Oxygen on page 4 13 3 AC power Mains cable connector 9 Nurse Call Output Connector Used to connect the ventilator to the n...

Page 35: ...e alarms If alarm is remedied the alarm is cancelled other than the high pressure alarm 8 VENTILATION ON OFF button Press briefly and release to start ventilation Press for three 3 seconds to stop ven...

Page 36: ...eference menu access line Highlight this line and press the ENTER key to display the Preference menu 4 Bargraph Displays pressure generation during ventilation 5 Status monitored data window Ventilati...

Page 37: ...gs and Current monitored patient readings or hyphen when ventilation is in standby 3 Access line to Alarm Log menu Highlight this line and press the ENTER key to display the Alarm Log menu Refer to ma...

Page 38: ...oting information is available in this manual to assist you in the event of a problem Refer to chapter 3 Alarms and Troubleshooting If you cannot determine the cause of a problem contact your equipmen...

Page 39: ...Note Default alarm setting preferences should be entered prior to using the ventilator 3 1 Alarm Level of Priority The alarm hierarchy for signaling the level of alarm criticality is listed below Very...

Page 40: ...n Menu or Alarm Menu Figure 3 1 Alarm Displays Note There are currently no Low Priority LP Alarms When an alarm is triggered if the current menu displayed is not the Ventilation parameters or Alarm me...

Page 41: ...are activated The Alarm Logs menu is used to display the last eight 8 alarms activated along with their date and time of activation To access the Alarm Logs menu do the following 1 Press the MENU key...

Page 42: ...larms for 60 seconds at a time This is referred to as the Audio Paused function To silence the audible portion of activated alarms Press the ALARM CONTROL key The audible portion of all activated alar...

Page 43: ...ly activated the last alarm cancelled is displayed continuously in the alarm message window in the Alarms menu along with the date and time of its activation as shown above The High Pressure alarm mus...

Page 44: ...s is not already the case The following graphic shows an example of the resulting display 3 Press the ENTER key to confirm access to the Alarm Logs menu 4 Press the UP key to position the cursor on th...

Page 45: ...after the apnea time set in PSV CPAP P SIMV and V SIMV modes Automatically clears itself after two successive patient breaths MP Yes Yes except for CPAP BATT FAULT1 CALL SERVICE Ventilator has detect...

Page 46: ...e 0 6 cmH2O for 100 ms during inspiration phase of 2nd breath cycle Ventilator response Switch to internal pressure sensor for pressure measurement MP Yes No CHECK CHANGEEXH VALVE2 Abnormally high exp...

Page 47: ...After 15 seconds MP Yes Yes DEVICE FAULT3 REPLACE VENT Failure in the 24 V power supply HP Yes No DEVICE FAULT4 REPLACE VENT Ventilator cooling fan operating speed not suited to the internal ambient...

Page 48: ...RKT LEAK At least four of the last six spontaneous breaths are terminated by time MP Yes No HIGH DEVICE TEMP COOL VENT IF PERSISTS REPLACE VENT Device internal ambient temperature out of tolerance ran...

Page 49: ...eset by pressing the key Yes No HIGH RATE Rate measured greater than High Rtot set during three consecutive breaths Alarm activation occurs After three consecutive breaths MP Yes No INVERSED I E RATIO...

Page 50: ...n P Support PEEP 20 or P Control PEEP 20 Alarm activation occurs If one of these three conditions remains for more than 15 seconds or the maximum time between 15 seconds and Apnea Time 2 seconds HP Ye...

Page 51: ...en an alarm is in progress MP Yes Yes SOFTWARE VERSION ERROR Detection of a wrong software version NA NA NA SPKR FAULT1 REPLACE VENT Defective operation of the buzzers Consequence no audible tone when...

Page 52: ...before examining the ventilator WARNING Except for replacing the internal battery and cleaning the device do not try to repair or otherwise service the ventilator yourself or modify the ventilator it...

Page 53: ...ity control setting Under the guidance of a Clinician adjust the Insp Sens setting that which is appropriate for the patient Patient apnea Examine the patient for breathing effort and stimulate if nec...

Page 54: ...exhalation valve and or its control tube Defective connection or defective exhalation valve tubing Reconnect the valve or replace the exhalation valve and or the exhalation valve pilot pressure tube...

Page 55: ...service representative DEVICE FAULT8 REPLACE VENT Inspiratory flow is constant 1 lpm with normal turbine temperature and speed conditions Replace the ventilator and call your customer service represen...

Page 56: ...e defective component s and call your customer service representative HIGH MINUTE VOLUME Adjustment of the High Min Vol level too low Under the guidance of a Clinician modify the High Min Vol level Le...

Page 57: ...nternal battery capacity is less than 30 min or 5 battery operation over extended Immediately connect the ventilator to an AC power outlet or connect it to an external DC power source Reminder the int...

Page 58: ...ve component s and call your customer service representative LOW PRESSURE DISCONNECT IF PERSISTS REPLACE VENT Adjustment of Low PIP too high Under the guidance of a Clinician decrease the Low PIP thre...

Page 59: ...oftware version detected Call your customer service representative SPKR FAULT1 SPKR FAULT2 REPLACE VENT Defective internal buzzers Replace the ventilator and call your customer service representative...

Page 60: ...ference menu Alarm sound level too low or too high Adjustment of the alarm sound level is incompatible with the patient s environment Re adjust sound level Poor visibility of the displays Contrast adj...

Page 61: ...cted Place the device in an area where air can freely circulate around the ventilator and avoid installing it near floating fabrics such as curtains Do not place the ventilator in a position where a c...

Page 62: ...ons In particular the use of nearby mobile and portable communications equipment using radio frequencies such as mobile telephones or other systems exceeding the levels set in the IEC 60601 1 2 standa...

Page 63: ...ventilator illuminates The INTERNAL BAT indicator flashes while the battery charges and then turns off when the battery is fully charged Refer to Figure 4 4 on page 4 4 If the AC power cable becomes...

Page 64: ...r cable 1 Disconnect the AC power cable from the AC power outlet 2 Disconnect the AC power cable from the ventilator s AC connector at the rear of the device 3 Grasp the AC power cable at the level of...

Page 65: ...ventilator An alternative means of ventilation should always be available particularly when the patient is in transit or away from wall power While using the ventilator on external battery power it i...

Page 66: ...and or lines before connecting the cable 1 2 3 WARNING For pediatric use ensure that the patient circuit type fits and in all respects is suitable for use with a child Use a pediatric circuit for pati...

Page 67: ...halation valve tubing item 7 to the exhalation valve port on the exhalation valve item 5 and the other end onto the ventilator exhalation valve port item 9 WARNING The patient circuit is intended for...

Page 68: ...midifier and the patient wye item 5 on the double limb circuit 6 Place a water trap item 3 between the patient wye and the inlet port of exhalation filter item 5 7 Connect one end of the small proxima...

Page 69: ...ressure Tube For both types of circuits shown previously you should connect the end of the proximal pressure tube as close as possible to the patient at the mask or cannula entry if possible so that t...

Page 70: ...alarm High inspired volume High VTI and Low inspired volume Low VTI settings must be periodically adjusted according to changes in the patient circuit resistance especially when filters are replaced R...

Page 71: ...a high concentration of carbon dioxide Refer to Figure 4 8 item 1 Connected to the FROM PATIENT port This filter protects the internal expiratory flow sensor from any obstruction from the gases exhale...

Page 72: ...these water traps If a heated humidifier is used you should always monitor the temperature of the air delivered to the patient Air that becomes too hot may burn the patient s airway Consult with your...

Page 73: ...ical characteristics of the patient and the ventilator settings The oxygen flow setting should be adjusted for each patient and established in relation to a calibrated oxygen monitor measurement Since...

Page 74: ...ine never exceeds 7 25 psi 49 99 kPa or a flow of 15 lpm Refer to Table A 17 on page A 12 ThePuritan Bennett 540 does not include an oxygen analyzer Always measure the delivered oxygen with a calibrat...

Page 75: ...s locking tab item 5 is released ensuring that the oxygen connection is locked and secured in place Figure 4 15 Connecting the Oxygen Supply System To disconnect the oxygen supply system from the vent...

Page 76: ...he ventilator to continue for a few cycles without oxygen whenever ventilation is stopped or started WARNING Do not rely solely on the ventilator s internal battery to sustain the ventilation Always p...

Page 77: ...e 4 17 Refer to the Dual Bag s instructions for further information Figure 4 17 Using the Dual Bag Accessory 4 10 Mounting the Ventilator on the Utility Cart Match the mounting holes item 1 on the bot...

Page 78: ...llowing WARNING Before using the Nurse Call system ensure that its connections are secure and it operates properly For more information contact Puritan Bennett Caution To connect the Puritan Bennett 5...

Page 79: ...sing a normally open NO or a normally closed NC signal A remote alarm is activated when an alarm condition occurs unless either of the following is true The audio paused function is active The ventila...

Page 80: ...Installation and Assembly 4 20 Puritan Bennett 540 Ventilator User s Manual This page intentionally blank...

Page 81: ...f power supply in use which remains lit and the audible alarms briefly sound The display s backlight turns on The PURITAN BENNETT logo is momentarily displayed The blue VENT STDBY indicator to the rig...

Page 82: ...memory of the settings is faulty a CHECK SETTINGS alarm is activated If this occurs the desired parameters should be reset and re saved otherwise the machine will operate on default parameter values 5...

Page 83: ...beep sounds The ventilation starts The values of the monitored parameters are displayed in the right hand window WARNING Verify the functionality of the main alarms before connecting the patient to th...

Page 84: ...re 5 4 item 1 for about three 3 seconds A message prompting the user to keep the button pressed appears on the monitoring window as shown in the graphic below Front Panel Keyboard 1 2 WARNING Do not a...

Page 85: ...wer off the ventilator The blue LED to the right of the VENTILATION ON OFF key turns off The ventilator screen switches off WARNING When ventilation is in progress if the ventilator is stopped using t...

Page 86: ...Operating Procedures 5 6 Puritan Bennett 540 Ventilator User s Manual This page intentionally blank...

Page 87: ...tilator meets current safety standards The ventilator because of this categorization is subject to strict transport conditions under the Dangerous Goods Regulation for air transport IATA Internal Mari...

Page 88: ...the symbol The INTERNAL BAT indicator at the top left of the ventilator s front panel is continuously lit Figure 6 1 Table 6 1 Internal Battery Reserve Capacity Displayed Values Average Operating Time...

Page 89: ...er that the ventilator is being powered by its internal battery If ventilation is stopped the internal battery reserve capacity is displayed as a percentage of battery charge as shown in the following...

Page 90: ...source of energy The BATT FAULT1 CALL SERVICE alarm is activated whenever a problem is detected in the battery or the charger However on a monthly basis you should disconnect the ventilator from the e...

Page 91: ...ase the time required to fully charge the internal battery When recharging a depleted internal battery it may be necessary to leave the ventilator on charge for about four 4 hours if the ventilator is...

Page 92: ...ne 1 Torx head screw on the bottom of the ventilator as shown depending on the version of the device Figure 6 3 Replacing the Battery 3 Slide the battery cover Figure 6 3 item 2 off by pulling it towa...

Page 93: ...e three Torx screws Figure 6 3 item 1 to secure the battery cover Figure 6 3 item 2 to the ventilator and tighten the screws with the Torx T10 screwdriver Caution When tightening the screws in the nex...

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Page 95: ...ial source of infection Clean the ventilator and its accessories regularly and systematically before and after each use and following any maintenance procedure to reduce the risks of infection The use...

Page 96: ...n peroxide 15 ammonia 85 tap water Ammonia based household cleaners Windex Household cleaners Formula 409 Table 7 1 Approved Cleaning Solutions for Exterior Ventilator Surfaces Continued Description P...

Page 97: ...entering the device WARNING On a DAILY basis inspect the patient circuit to ensure that it shows no signs of damage is properly connected and is operating correctly without leakage Do not attempt to r...

Page 98: ...d to be removed to verify its correct operation 1 2 Table 8 1 Consumables and Replacement Intervals Elements Recommended Replacement Intervals Air Inlet Filter Foam Fine Particle Every two months or m...

Page 99: ...recycling and observe all applicable regulations 8 3 Service Assistance In the event of a problem with the ventilator refer to chapter 3 Alarms and Troubleshooting If you cannot determine the cause o...

Page 100: ...Routine Maintenance 8 4 Puritan Bennett 540 Ventilator User s Manual This page intentionally blank...

Page 101: ...onnector with valve Device airway volume 2000 ml Breathing circuit volume Adult dual limb 1150 ml Pediatric dual limb 670 ml Adult single limb 550 ml Pediatric single limb 300 ml Air Inlet Filter Dime...

Page 102: ...9 hr 10 6 5 hr 10 4 5 hr 10 Table A 4 Remote Alarm Remote Alarm Port Also known as the Nurse s Call port it provides for remote alerts of ventilator alarm conditions An example of a setting that requ...

Page 103: ...7 Audio Alarms Audio Paused Alarm Volume 60 s 1 s 65 to 85 dBA 10 at 1 meter Table A 8 Performance Parameter Specifications and Tolerances Settings Range Tolerances Volume 50 to 2000 ml 10 ml 10 Press...

Page 104: ...nces Peak Inspiratory Pressure PIP 0 to 140 cmH2O 0 2 cmH2O 8 Positive End Expiratory Pressure PEEP a a The PB 540 does not have the capability to reduce pressure below the PEEP pressure during the ex...

Page 105: ...P Support Range OFF or 5 cmH2O to 55 cmH20 Resolution 1 cmH2O Accuracy 1 cmH2O 10 of P Support PEEP setting Default value 15 cmH2O Inspiratory time Insp Time Range 0 3 s to 6 0 s for VOL A C and PRES...

Page 106: ...not adjustable Backup rate Range 5 40 bpm Resolution 1 bpm Default value 13 Depends on Min Insp time In P SIMV and V SIMV Backup rate Max 8 R Rate Apnea time Range AUTO or 1 60 s Resolution 1 s Defaul...

Page 107: ...t value OFF Depends on R Rate Low Peak Inspiratory Pressure Low PIP Range PIP 20 not adjustable Resolution N A High Peak Inspiratory Pressure High PIP Range PIP 20 not adjustable Resolution N A PSV CP...

Page 108: ...efault value AUTO Min 3 s 30 R Rate Depends on Low I time R Rate Low Peak Inspiratory Pressure Low PIP Range PIP 20 not adjustable Resolution N A High Peak Inspiratory Pressure High PIP Range PIP 20 n...

Page 109: ...olution 1 bpm Default value OFF Depends on R Rate Minimum inspiratory time Low I time Range RISE TIME 300ms not adjustable Maximum inspiratory time High I time Range Min 3s 30 R Rate not adjustable P...

Page 110: ...RISE TIME 300ms not adjustable Maximum Inspiratory time High I time Range Min 3s 30 R Rate not adjustable Volume A C Mode Low PIP Range 2 cmH2O to 52 cmH2O Resolution 1 cmH2O Default value 2 cmH2O De...

Page 111: ...o 9 995 mL Resolution 5 mL Accuracy 10ml 10 for volumes 50ml A symbol is displayed for volumes below 50ml Inspiratory minute volume Min VI Range 0 L to 99 9 L Resolution 0 1 L Accuracy 20 Expiratory m...

Page 112: ...ic pressure Altitude 40 F to 158 F 40 C to 70 C 10 to 95 RH 7 2 psi to 15 4 psi 50 kPa to 106 kPa 500ft to 13 000 ft 152 m to 3964 m Table A 13 Environmental Conditions for Operation Temperature Humid...

Page 113: ...this manual The ventilator should not be used adjacent to or stacked with other equipment except as specified in this manual If adjacent or stacked use is necessary the ventilator should be observed...

Page 114: ...1 kV lines lines 2 kV lines earth 1 kV lines lines 2 kV lines earth AC power mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and vo...

Page 115: ...Vrms inside ISM bands 20 V m per Draft Reviewer Guidance for Ventilators July 1995 80 MHz to 1 0 GHz 10V m 1 0 GHz to 2 5 GHz Portable and mobile RF communica tions equipment should be used no closer...

Page 116: ...onment in which radiated RF disturbances are controlled The customer or the user of the ventilator can help prevent electromagnetic interference by maintaining a minimum distance between portable and...

Page 117: ...Collateral Standards Medical Electrical Equipment Part 1 General Requirements for Safety 2 Collateral standard Electro Magnetic Compatibility requirements and tests IEC 60601 1 2 2007 Medical Electri...

Page 118: ...Specifications A 18 Puritan Bennett 540 Ventilator User s Manual This page intentionally blank...

Page 119: ...es Table B 1 Operational Verification Checklist 1 Verify the proper appearance and cleanliness of the ventilator Pass 2 Verify all of the labels and markings on the ventilator are clear and legible Pa...

Page 120: ...followed Pass 11 Ensure the patient breathing circuit is correctly attached to the ventilator with all the necessary components and is free from any signs of damage and leaks If exhaled volume monitor...

Page 121: ...om the plastic bag remove the following Plastic pocket containing the User s and Clinician s Manual The ventilator and its components and or accessories6 2 Remove the patient circuit the AC Mains powe...

Page 122: ...ion if necessary refer to chapter 7 Cleaning 6 Ensure that the air inlet filter is installed Figure C 1 Puritan Bennett 540 Portable Ventilator WARNING Never use a ventilator or any components or acce...

Page 123: ...Puritan Bennett 540 Ventilator User s Manual C 3 Figure C 2 Dual Bag...

Page 124: ...Unpacking and Preparation C 4 Puritan Bennett 540 Ventilator User s Manual This page intentionally blank...

Page 125: ...d on a volume setting PRES A C if the breaths are based on a pressure setting D 1 2 SIMV Modes When set to a SIMV Synchronized Intermittent Mandatory Ventilation Mode machine initiated breaths are del...

Page 126: ...V CPAP mode maintains a constant level of pressure in the patient s airway In addition the ventilator applies a clinician set pressure Pressure Support to each of the patient s breaths This has the sa...

Page 127: ...S version Table E 1 List of Consumables and Accessories Description Carrying bag grey Oxygen inlet connector Carrying belt Suspension belt Backpack Padded Straps Remote Alarm Box and Cable Ventilator...

Page 128: ...tor inlet is 3 6 feet 1 10 meters to 6 6 feet 2 00 meters The tubing must conform to all applicable standards and must be fitted with 22 mm terminals that also conform to all applicable standards Ensu...

Page 129: ...Apnea Time Time allowed between breath starts before APNEA alarm occurs when no patient effort is detected Assist Control In Assist Control mode the ventilator delivers an assisted breath of a set vol...

Page 130: ...nd terminated by the ventilator Double Limb patient circuit Patient circuit with a tube between the ventilator gas outlet and the patient for inspiratory gas and another tube between the patient and t...

Page 131: ...sitivity levels from 1 to 5 correspond to differences in flow compared to the bias flow The level 1 is the most sensitive for a pediatric use and requires the least effort to trigger breath The level...

Page 132: ...ent circuit Tubing between the ventilator and the patient Peak Inspiratory Pressure PIP The highest pressure measured in the patient circuit during the inspiration phase Positive End Expiratory Pressu...

Page 133: ...r is flow triggered with sensitivity levels in the range from 1 to 5 the lower the number the more sensitive the trigger Spontaneous A ventilation mode that delivers assisted breaths only Spontaneous...

Page 134: ...Glossary F 6 Puritan Bennett 540 Ventilator User s Manual This page intentionally blank...

Page 135: ...VALVE1 3 8 3 9 3 16 CHECK CHANGE EXH VALVE2 3 8 CHK EXH VALV RESTART VENT 3 8 3 16 CHK VOL INSP TIME SETTINGS 3 9 3 17 DEVICE FAULT1 REPLACE VENT 3 9 3 17 DEVICE FAULT2 REPLACE VENT 3 9 3 17 DEVICE F...

Page 136: ...arm message 3 8 CHK EXH VALV RESTART VENT alarm message 3 8 3 16 CHK VOL INSP TIME SETTINGS alarm message 3 9 3 17 Classification of device 2 2 Cleaning Accessories 7 2 ventilator 7 1 Cleaning solutio...

Page 137: ...nt interval 8 3 replacing 6 6 storing 6 5 test interval 8 3 testing 6 4 Internal battery replacing figure 6 6 INVERSED IE RATIO alarm message 3 11 3 19 I O switch figure 5 1 K Keyboard 2 5 KEYPAD FAUL...

Page 138: ...13 3 21 Precautions for use cautions electromagnetic interference 1 10 general 1 9 installation environment 1 9 maintenance 1 9 oxygen 1 10 Precautions for use warnings general 1 2 installation electr...

Page 139: ...on menu 2 6 starting 5 2 stopping 5 4 Ventilation modes 2 2 D 1 VENTILATION ON OFF key 5 1 Ventilator cleaning 7 1 connecting the nurse call cable 4 18 connections proper warning 1 3 4 1 failure of 2...

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