Occlusion Pressure Range Tests - CADD Legacy Plus 6500 Operator's Manual

Section 5: Reference

Occlusion Pressure Range Tests

Occlusion Pressure Range Test I
Description
Pressure is generated by activating the pumping mechanism with an
attached filled, clamped Medication Cassette Reservoir. The pump is
started and fluid is injected until the high pressure alarm sounds.
Equipment needed
50 or 100 ml Medication Cassette Reservoir containing distilled water
1-ml syringe
Procedure
1. Insert 2 AA batteries or turn pump on and wait for the pump to
power up.
2. Attach a Medication Cassette Reservoir containing water to the
pump.
3. Prime the Medication Cassette Reservoir tubing. The tubing
should be filled with fluid to the end of the Luer lock connector.
The system must be free from air bubbles for this test.
4. Withdraw the plunger of the empty 1-ml syringe to the 1.0-ml
marking. Now attach the syringe to the end of the Medication
Cassette Reservoir tubing.
5. Start the pump.
6. When the pump is running, slowly depress the plunger of the sy-
ringe, noting when the High Pressure alarm is activated.
7. The pump should alarm when the syringe is between 0.5 and
0.1 ml.