Cardinal Health Vela Ventilator Flow Sensor Receptacle Replacement

はじめに

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.

必要な工具と部品

特集記事

手順1 Flow Sensor Receptacle

Cardinal Health Vela Ventilator Flow Sensor Receptacle Replacement, Flow Sensor Receptacle: 手順 1、 1の画像 1

Use a screwdriver to remove the two Phillips pan-head screws at the top of the plug guard.

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手順2

Remove the plug guard and unplug the ventilator.

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手順3

Remove the 4 Phillips pan-head screws on the back side of the ventilator.

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手順4

Remove all six small side panel screws along the bottom of each side of the top cover.

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手順5

Slide the top cover towards the back side of the ventilator to remove it.

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手順6

Use your Phillips screwdriver to unscrew the 4 Phillips pan head screws positioned on each side of the battery tray.

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手順7

Lift the battery tray out of the ventilator.
Caution: The wires connecting the batteries to the ventilator will still be connected so lift the battery tray carefully.

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手順8

Disconnect the batteries from the ventilator by pulling apart the Battery Connector.

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手順9

Remove the 2 Phillips countersink screws from the right side of the rear panel.

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手順10

Remove the 1 Phillips countersink screw in the upper front of the right panel.

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手順11

Remove the 1 Phillips pan-head screw in the lower center of the right panel.

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手順12

Gently lift out the panel and the power PCB. Lay the panel flat and make the following disconnections:

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手順13

Remove the 2 Phillips countersink screws at the rear of the left panel.
Remove the 1 Phillips countersink screw in the upper front of the left panel.
Lift out the left panel.

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手順14

Disconnect the following from the main PCB:
JP2 40-pin ribbon cable to JP1 on the SVGA out PCB
J301 12-pin to J301 on the blender PCB

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手順15

Disconnect the green oxygen nebulizer tube
Remove the 2 Phillips pan-head screws behind the front panel at the lower left and right.
Disconnect the 1/8” silicone tube #4 from P2 on the exhalation differential transducer
Disconnect the 1/8” silicone tube #5 from P1 on the exhalation differential transducer
Disconnect the 1/8” silicone tube #1 from the turbine

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手順16

Disconnect the 1/16” silicone tube from the front ports of the turbine outlet auto-zero solenoid that goes to the main tubing harness.
Disconnect the 1/16” silicone tube from the turbine inlet auto-zero solenoid that goes to the turbine.
Disconnect the 1/16” silicone tube from the airway pressure auto-zero solenoid that goes to the exhalation valve receptacle.