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Anleitung Zusammenfassung
5. Push the manual control lever to the exhalation phase (to the left). Observe the pressure gauge on the device and adjust the maximum pressure (negative) using the pressure knob to achieve the correct reading on the gauge. 6. Shift the manual control lever to the inhalation phase (push to the right). Adjust the pressure reading by turning the inhale pressure knob to achieve the correct reading on the pressure gauge (clockwise to increase pressure and counterclockwise to decrease pressure). 7. Cycle the manual control lever from inhale (positive) to exhale (negative) and back a few times to ensure that the pressure and suction readings are correct. 8. Release the manual control lever to ensure that the pressure immediately returns to 0 cm H2O. If it does not, refer to the Maintenance Section of this guide. 11 OPERATING PROCEDURE TIMING ADJUSTMENT (CA-3000, CA-3200 MODELS ONLY) If the automatic feature of the CoughAssist MI-E is to be used, adjust the times as follows: 1. Each cough cycle consists of an inhalation phase, an exhalation phase and a pause phase, after which inhalation begins again. The time for each phase is set with the three knobs on the left side of the front panel. Normally, inhale time and exhale time are set to 1 to 3 seconds and the pause time can be set up to 5 seconds, or eliminated by setting the pause time knob to 0 seconds, depending on the patient’s preference. 2. Set the manual/auto switch to the auto position and observe that the unit cycles from positive to negative pressure, then to zero pressure, and repeats until the switch is set back to manual. When set to the manual position, the unit should return to 0 cm H2O. TREATMENT Treatment usually consists of 4 or 5 coughing cycles in succession. The patient is then allowed to rest for 20 to 30 seconds, which helps avoid hyperventilation. The cycles can then be repeated 4 to 6 times for a full treatment. WARNING: Always check time and pressure settings before each treatment. Manual Operation (All models): 1. Attach the appropriate patient interface to the patient. 2. Shift the manual/auto switch to the manual position (automatic models only). Shift the manual control lever to the inhale position (to the right) and observe the pressure gauge to see the pressure build slowly over 2 to 3 seconds. 3. Rapidly shift the manual control lever to the exhale position (to the left) to induce the cough, holding it there for 1 to 2 seconds. The lever can then either be left in the neutral position for a few seconds, or can be shifted immediately to the positive pressure phase for another cough cycle, depending on the patient’s preference. 4. After 4 to 5 cycles, remove the patient interface from the patient and allow time for a normal breathing pattern to return (20 to 30 seconds), or place the patient back on the ventilator if currently in use. Avoid prolonged periods connected to the device. During this resting period, clear secretions that may have become visible in the mouth, throat or tracheostomy tube. 12 OPERATING PROCEDURE Automatic Operation (CA-3000, CA-3200 models only): 1. Attach the appropriate interface to the patient. 2. To operate the unit automatically, set the manual/auto switch to the auto position. The unit will cycle from inhale (positive) to exhale (negative) to zero pressure, and back to inhale. 3. After 4 to 5 cycles, set the manual/auto switch back to the manual position. Remove the patient interface from the patient and allow time for a normal breathing pattern to return (20 to 30 seconds), or place the patient back on the ventilator if currently in use. Avoid prolonged periods connected to the device. During this resting period, clear secretions that may have become visible in the mouth, throat or tracheostomy tube. CAUTION: This unit is designed for Intermittent Operation Only and not for continuous use. The device should not be cycled continuously for more than 5 minutes. After such time, the unit should either be turned off or left idling with the blower on for at least 5 minutes. OPERATION VERIFICATION (ALL MODELS) It is recommended that the CoughAssist MI-E be periodically tested to ensure that the cycling valve returns to the neutral, or pause, position after either the inhale or exhale phase. To determine this, follow these steps: 1. Attach a patient circuit to the unit and block the end of the hose. 2. Turn the power switch ON. 3. Set the manual/auto switch to the manual position (automatic models only). 4. Set the pressure knob fully clockwise (maximum pressure). 5. Cycle the manual control lever from inhale to exhale and observe the pressure gauge to ensure that positive and negative pressure is being applied to the patient circuit. 6. Release the manual control lever from the inhale position and observe that the pressure immediately drops to 0 cm H2O. Repeat for the exhale position. In either case, if the pressure does not drop to zero, the unit should be returned for repair. 13 SECTION 6 CLEANING & DISINF...
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