(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities issued to the reported lot that would have contributed to the event.Additionally, a review of the complaint history identified no similar incidents reported from this lot.All available information was investigated and a definitive cause for the reported difficult to insert the steerable guide catheter (sgc) could not be determined.A definitive cause for perforation could not be determined.The reported hypotension was due to procedural circumstances.The reported patient effects of hypotension and perforation are listed in the mitraclip system instructions for use as known possible complications associated with mitraclip procedures.There is no indication of a product quality issue with respect to design, manufacturing, or labeling of the device.
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