Appendix C: Troubleshooting; Troubleshooting Table - Codman AS 10 Manual Del Usuario

Appendix C: Troubleshooting

APPENDIX C: TROUBLESHOOTING

Troubleshooting Table

The following table lists symptoms that may occur, along with their possible causes, methods of verification, and suggested remedial actions. If, after following the suggested solution(s)
you cannot restore pump function to normal, please contact your Codman representative.
Symptoms
Patient symptoms
reappear or intensify
At refill, the amount
of fluid in the reservoir
exceeds the tolerances
expected (more or less
fluid than expected)
Unable to palpate pump ports
Appendix C – 24
CODFR11091zz01svn.indd 24 CODFR11091zz01svn.indd 24
Possible Cause Method of Verification
• Pump leakage Refer to
• Pump failure (no output) Troubleshooting
• Catheter occlusion Flowchart
• Catheter tear
• Catheter flowpath
interruption
• Drug concentration
incorrect
Pump failure Check to see if
patient symptoms have
reappeared or intensified
Damage to the flow restrictor chip Withdraw and replace the drug
solution and evaluate the flow rate
Extenuating circumstances Examine the patient history
to determine if the patient
has experienced high or low
altitudes, fevers, etc.
Incorrect refill calculations Recalculate the refill period
Pump turned upside down Use radiography to verify
pump position
Pump has rotated Use radiography to verify
pump position
Swelling at pump site Aspirate pump pocket or site
swelling and verify contents
Patient weight gain Review patient's history
Remedial Action
Refer to
Troubleshooting
Flowchart
Refer to Troubleshooting
Flowchart
Contact your Codman representative and
consider elective replacement of the pump
Empty the pump, refill,
and monitor. Explain
to patient the effects
of high and low altitude,
fever, etc. on pump performance
Refill pump as required, and
give patient a new refill schedule
Perform surgical revision to
correct pump positioning
Refill pump as required, and
give patient a new refill schedule
Treat according to
aspiration content analysis
Inform patient of effects of
weight gain on treatment
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