OPRHT70 A0310
5-5
Operating the HT70 Ventilator
5
Patient Set Up Procedure
WARNING Review all of the General Warnings and Cautions in
Section 1 prior to using the ventilator.
All ventilator controls and alarm limits must be appropriate for
the patient’s condition, according to the therapy prescribed by a
physician.
1. Press the momentary power switch located on the back of the
ventilator to turn the ventilator On. The ventilator performs a brief
self-test to ensure proper microprocessor function. During the
self-test, verify that the Startup Screen appears, the LEDs light
and the audible alarm sounds briefly.
2. Ensure the ventilator, patient circuit and accessories are
assembled correctly.
3. Make sure HT70 has passed the Quick Check Procedure,
and the Circuit Check.
4. Set all parameters per physician’s prescription using manual
adjustment or a Patient Preset. See Section 9 for specifications
on all settings.
5. Check all alarm limits and parameter settings to ensure they are
appropriate for the patient.
6. Place a test lung on the patient end of the breathing circuit and
press the Start Ventilation button on the touchscreen.
7. Ensure that the ventilator starts operation appropriately.
NOTE: Peak pressure for volume breaths and volume delivery for
pressure breaths will be different on the test lung than on the patient.
This may cause nuisance alarms during this step.
8. When you are ready, remove the test lung and attach the
patient connection of the breathing circuit to the patient interface.
9. Monitor alarm settings and check for appropriate settings.
10. Verify that the patient trigger icon lights each time the patient
initiates a spontaneous breath. Readjust sensitivity (Ptrig) as
necessary.
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