It was reported that during set-up of the device for a cardiopulmonary bypass (cpb) procedure, the roller pump speed control was spinning too freely.It was reported that when the speed was adjusted from 0%, it would go up, but when it was adjusted to 30%, it would go full throttle.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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The reported complaint was confirmed.During laboratory analysis, the product surveillance technician observed internal damage of the potentiometer causing there to be open circuits and preventing proper function.If additional information becomes available on this complaint that would alter the facts and/or conclusion, a supplemental report will be filed accordingly.
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