(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 identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents from this lot.In this case, as there was no damage noted to the guide wire during the inspection prior to use, the investigation determined the reported difficulties appear to be related to circumstances of the procedure as it is likely that during advancement interaction with the guiding catheter resulted in the reported difficult to position.During removal, interaction with the completely occluded anatomy resulted in the reported difficulty to remove.Manipulation of the device and/or interaction with the anatomy and/or other devices resulted in the reported tip detachment.There is no indication of a product quality issue with respect to manufacture, design or labeling.The additional ht command guide wire referenced is being filed under a separate medwatch report number.
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