The patient was undergoing a thrombectomy procedure treating an acute stage cerebral infarction toward the internal carotid artery using a penumbra system aspiration pump max 110v (pump max).During the procedure, while in use with a penumbra system 5max ace reperfusion catheter (5max ace), the pump max would not produce vacuum and could not aspirate thrombus.It was reported that although the pump max seemed to activate normally after the power was turned on, the pressure gauge read "zero" and would not move at all.The procedure was therefore completed using another manufacturer's stent retriever device.The patient's condition is under investigation.
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Correction to device available for evaluation?: correct from "yes" to "no".Added methods codes, results codes and conclusions codes.The product was not returned for evaluation.Without the return of the device, the root cause of the problem cannot be determined.The manufacturing records for this lot were reviewed and did not reveal any outstanding discrepancies, design, or quality concerns.The hospital did not return the pump max because it was contaminated with blood.
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