简介
This guide provides step-by-step information on how to replace the Flow Sensor Receptacle for the Cardinal Health Vela Ventilator.
The flow sensor is used for measuring the flow rate of the gas passing through the ventilator. It is a crucial component of the ventilator, and must receive periodic sterilization.
The Flow Sensor may need to be removed/replaced for the following reasons:
- The Flow Sensor must be sterilized in an autoclave.
- The Flow Sensor may need to be replaced if monitored volumes are out of the 20% specification.
Viasys’ replacement guide for the Flow Sensor can be found on page 37 of the service manual attached.
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Use a screwdriver to remove the two Phillips pan-head screws at the top of the plug guard.
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Disconnect the green oxygen nebulizer tube
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Remove the 2 Phillips pan-head screws behind the front panel at the lower left and right.
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Disconnect the 1/8” silicone tube #4 from P2 on the exhalation differential transducer
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Disconnect the 1/8” silicone tube #5 from P1 on the exhalation differential transducer
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Disconnect the 1/8” silicone tube #1 from the turbine
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Disconnect the 1/16” silicone tube from the front ports of the turbine outlet auto-zero solenoid that goes to the main tubing harness.
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Disconnect the 1/16” silicone tube from the turbine inlet auto-zero solenoid that goes to the turbine.
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Disconnect the 1/16” silicone tube from the airway pressure auto-zero solenoid that goes to the exhalation valve receptacle.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.