It was reported that during set-up of the device for a cardiopulmonary bypass procedure, the flow sensor was not reading on the centrifugal system.As a result, an alternate device was employed.The surgical procedure was completed successfully.There was no delay, no blood loss, nor adverse consequences to the patient.
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Evaluation is in progress, but not yet concluded.The ccp states that they were unable to get the flow reading on the control module.They tried another flow reading on the control module.They tried another flow sensor and that didn't resolve the issue.They then replaced the control module using the original flow sensor and were able to get flow readings.The field service representative (fsr) verified the suspect control module read 0.0 liters per minute (1/min) with a known good floor sensor, the fsr replaced the suspect control module with control module (s/n (b)(4)) and performed functional and release tests.The unit operated to manufacture specifications and was returned to clinical use.The suspect part was returned to the manufacturer for further evaluation.
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