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.
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The patient was undergoing a thrombectomy procedure in the basilar artery using an aspiration tubing (tubing), penumbra system 4max reperfusion catheter (4maxc), and penumbra system aspiration pump max 110 (pump max).During the procedure, the physician connected the 4maxc to the pump max using the tubing.However, the vacuum pressure from the pump max was not reaching the desired -28 inhg despite confirming there were no loose connections; therefore, the tubing was removed.The procedure was completed using another tubing and the same 4maxc and pump max.There was no report of an adverse effect to the patient.
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