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Bunnell LIFE PULSE Quick Reference Manual
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Bunnell LIFE PULSE Quick Reference Manual

High-frequency ventilator
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LIFE PULSE HIGH-FREQUENCY VENTILATOR
QUICK REFERENCE GUIDE
Pressure
Monitoring
Tube
LifePort ET Adaptor
01772-08.10C
Green Gas
Inlet Tube
Water Bag
Water Transfer Tube
Transfer Tube Clamp
Jet Port
(Follow Number Sequence for Correct Circuit Set-Up)
24-hour HOTLINE: 800-800-4358
01388-08.11
PIP
cm H O
MONITOR
2
cm H O
2
PEEP
cm HO
2
PIP
NOW
CONTROLS
cm H O
2
NEW
LIFE PULSE
ON
HUMIDIFIER
2
GAS OUT
8
4
9
7
Life Pulse Circuit
6
Pressure Monitoring Tube
www.bunl.com
JET VAL VE
ALARMS
READY
SILENCE
ON OFF
UPPER
LIMIT
SERVO
PRESS
LOWER
PSI
LIMIT
UPPER
LIMIT
MAP
cm H O
2
LOWER
LIMIT
RATE
on
JET VALVE TIME
on/off
BPM
SECONDS
ENT ER
ST ANDBY
T EST
HIGH FREQUENCY VENTILATOR
ALARMS
TEMPERATURE
CIRCUIT
CARTRIDGE
SET
SILENCE
CIRCUIT
TEMP
Water Inlet Tube
Water Pump
5
Pinch Tube
3
Purge Tube
1
Cartridge
Door
PURGE
3
Purge
Tube

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Summary of Contents for Bunnell LIFE PULSE

  • Page 1 LIFE PULSE HIGH-FREQUENCY VENTILATOR QUICK REFERENCE GUIDE 01388-08.11 JET VAL VE ALARMS READY SILENCE ON OFF cm H O MONITOR UPPER LIMIT SERVO PRESS cm H O LOWER LIMIT UPPER PEEP LIMIT cm HO cm H O LOWER LIMIT RATE...
  • Page 2 At or Below Humidifier Level Attach LifePort Adapter and Endotracheal Tube to Test Lung. Press TEST button and verify that Life Pulse runs through test sequence and Perform Systems Test returns to STANDBY mode with audible alarm sounding. Press SILENCE button to quiet "PASSED TEST"...
  • Page 3 7. Other monitoring as clinically indicated. WARNING: All patient connections to the Life Pulse circuit must only be made while the Life Pulse is in the STANDBY mode. Failure to comply may result in a high volume of gas being...
  • Page 4 Beginning High-Frequency Ventilation All infants treated with the Life Pulse must be connected to a conventional ventilator and continuous blood gas monitors (transcutaneous and/or pulse oximetry). They must have a Bunnell LifePort adapter on the standard ET tube and be intubated. The following steps may then be taken:...
  • Page 5 Patient Management During HFV HFV ΔP (PIP - PEEP) is the primary determinant of PaCO . HFV rate is secondary. 2. Resting lung volume (FRC supported by set PEEP) and mean airway pressure are crucial determinants of PO 3. Avoid hyperventilation and hypoxemia by using optimal PEEP. (See When to Raise PEEP below.) 4.
  • Page 6 Finding Optimal PEEP during HFJV * Switch to HFJV from CV at same MAP by adjusting PEEP. Reduce IMV Rate to 5 bpm. Note current SaO on pulse oximeter. Switch CV to CPAP mode. Does SaO drop? PEEP is high enough, for the moment. (Wait 1 - 5 min.) Use IMV = 0 - 3 bpm with IMV PIP 20 - 50% <...
  • Page 7 Resistance Decreases Resistance Increases SERVO SERVO PRESSURE PRESSURE INCREASES DECREASES Volume Increases Volume Decreases Servo Pressure changes: early warning of changes in patient condition. SERVO PRESSURE INCREASES WITH SERVO PRESSURE DECREASES WITH: • Improving compliance or resistance • Worsening compliance or resistance •...
  • Page 8 Consider a trial of CV alone only when all air leaks are Consider CV Trial resolved (for 24 hours) and the Life Pulse PIP is ≤ 15 cm O and FiO is < 0.3. Place the Life Pulse into STANDBY mode for a CV trial.
  • Page 9 800-800-4358. VENTILATOR Electronic circuitry or internal power supply Support patient with CV. Turn off power problem. to Life Pulse for 3 minutes. Turn power on FAULT and conduct TEST on test lung. If TEST is passed, resume ventilation. with code...
  • Page 10 If alarm persists . . . Flush pressure monitoring tube with 2-3 cc Water or secretions in or around tip of air while Life Pulse is running and in pressure monitoring tube. READY mode. Re-evaluate cartridge temp setting (e.g., lower cartridge temp 1-2 and repeat if necessary.
  • Page 11 Pressure monitor tube kinked, or Unkink pressure monitoring tube or flush with 2-3 cc air MEAN obstructed. while Life Pulse is running and in READY mode. Re- AIRWAY evaluate cartridge temp setting (e.g., lower cartridge temp 1-2 C; repeat if necessary. (NOTE: do not under- PRESSURE: humidify.) Suction patient if necessary.

  • Page 12: Low Gas Pressure

    PRESSURE If alarm persists . . . Call Bunnell Hotline: 800-800-4358. Purge tube kinked or disconnected at Unkink or reconnect purge tube. Call Bunnell front panel or Patient Box. Hotline if alarm persists. VENTILATOR Pressure monitoring tube disconnected. Reconnect pressure monitoring tube.
  • Page 13 Problem with water level sensing pins. Make sure sterile water, not normal saline, is being used. Replace circuit if necessary. Call Bunnell Hotline: 800-800-4358. If alarm persists after circuit change . . . Water supply empty or water transfer Replace water supply if empty.
  • Page 14 Re-install cartridge. TEMP HIGH Faulty Circuit temperature sensor. Replace humidifier cartridge/circuit. (Temperature in Call Bunnell Hotline: 800-800-4358. If alarm persists . . . Circuit may be too high) Poor electrical connections between Check cartridge door and latch to assure they CIRCUIT cartridge and humidifier.