Portable Ventilator

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Army Medical

Portable Ventilator
Portable Ventilator
Development
Table of Contents
Introduction
Credit Awarded-cont.
Lesson Assignment
Lesson 1: Operation and General Maintenance Procedures
Figure 1-1. Babybird 5900 pediatric ventilator.
Major Components
Delivery Circuit.
Figure 1-4. Flow-bypass valve.
Figure 1-5. Mark 2 servo.
Inspiratory time-limit control.
Compound-lockout cartridge.
Breathing Circuit.
Inspiratory tube.
Overpressure governor.
Section II. Theory of Operations
Spontaneous Breathing Mode
Figure 1-12. Inhalation phase of the spontaneous mode.
Figure 1-13. Expiratory path in any mode of operation.
Controlled Intermittent Mandatory Ventilation Mode
Figure 1-14. Inhalation phase of the controlled IMV mode.
Controlled Intermittent Mandatory Ventilation Mode-cont.
Figure 1-15. Exhalation phase with negative pressure in the controlled IMV mode.
Section III. Preventive Maintenance Checks and Services
Correct Minor Deficiencies After Reassembly.
Exercises, Lesson 1
Exercises, Lesson 1-cont.
Exercises, Lesson 1-cont.
Exercises, Lesson 1-cont.
Solutions to Exercises, Lesson 1
Lesson Assignment
Lesson 2: Locating and Replacing Defective Components
Calibrate the Ventilator
Prepare the Ventilator for Calibration.
Figure 2-1. Ventilator mounted for calibration with back and side panel removed.
Calibrate the Ventilator.
Table 2-1. Source pressure gauge troubleshooting.
Table 2-2. Airway manometer troubleshooting.
Table 2-3. Flow test device pressures.
Nebulization system.
Table 2-4. Flow system troubleshooting-cont.
Table 2-4. Flow system troubleshooting-concluded
Expiratory-flow gradient.
Table 2-5. Nebulization system troubleshooting.
Outflow valve continuous positive airway pressure control (CPAP).
Table 2-6. Expiratory flow gradient troubleshooting-concluded
Pressure relief valve.
Mark-2 timing system.
Table 2-9. Mark-2 timing system troubleshooting.
Inspiratory lockout (compound-lockout cartridge).
Table 2-10. Inspiratory relief pressure troubleshooting.
Inspiratory time limit.
Table 2-11. Inspiratory lockout troubleshooting.
Figure 2-8. Control knob set at 3 seconds.
Inspiratory time (Mark 2).
Table 2-13. Inspiratory time (Mark 2) troubleshooting.
Low pressure alarm system.
Calibration Test.
Flow system.
Pressure relief valve.
Section II. Troubleshooting and Removal and Replacement Procedures
Table 2-16. Troubleshooting at start up in either mode-cont.
Table 2-16. Troubleshooting at start up in either mode-cont.
Table 2-17. Troubleshooting in either mode of operation-cont.
Table 2-17. Troubleshooting in either mode of operation-cont.
Table 2-17. Troubleshooting in either mode of operation-concluded
Table 2-18. Troubleshooting in the spontaneous breathing mode.
Remove and Replace Major Componets
Remove and Replace the PAP Gauge (Part Number 9407R).
Remove and Replace the Bypass Valve.
Remove and Replace the Nebulizer Valve.
Exercises, Lesson 2
Exercises, Lesson 2-cont.
Exercises, Lesson 2-cont.
Solutions to Exercises, Lesson 2

Portable Ventilator