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 disposed of the device.
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The patient was undergoing a thrombectomy procedure in the cerebral artery using a penumbra system pump canister (canister).During the procedure, the physician confirmed that all the devices were properly connected before switching on the penumbra aspiration pump 110v (pump).After advancing a catheter toward the thrombus and switching the pump on, the physician noticed the thrombus was not being aspirated through the aspiration tubing back into the canister.Upon observing the pressure gauge, the physician confirmed that the gauge would only go up to -10 in hg.After confirming that there was no issues with the connections to the pump, the physician noticed that there was air leakage from the canister.Therefore, all the devices were removed and the procedure was completed using another manufacturer's stent device.There was no report of an adverse effect to the patient.
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