It was reported that during use of the device for a cardiopulmonary bypass (cpb) procedure, the occluder went into calibration mode on its own in the middle of the case.The surgical procedure was completed successfully.There was no delay, no blood loss, nor adverse consequences to the patient.Per clinical review: during a cpb procedure on (b)(6) 2018, the heart lung machine (hlm) was set up and the venous occluder was calibrated without issue for a procedure.While on bypass, the occluder went into calibration mode and closed the venous line without the perfusionist initiating the calibration.She proceeded to take the venous line out of the occluder and used regular perfusion clamps the remainder of the procedure.The incident did not delay the surgical procedure.There was no harm or blood loss associated with the event.
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The reported complaint was confirmed.During laboratory analysis, the product surveillance technician (pst) observed a poor connection between the occluder head and the occluder module causing the occluder to enter calibration mode on its own.The poor connection was caused by a bent and stripped screw on the connector on the occluder head.The product will be sent to service to be brought to manufacturer¿s specifications before being returned to the customer.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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