It was reported that the procedure was to treat a lesion located in the proximal left anterior descending artery with heavy tortuosity and heavy calcification.Pre-dilatation was performed successfully using a 4.0 x 20 mm nc trek rx balloon dilatation catheter; however, significant resistance was felt during removal of the balloon catheter from the patient's anatomy.Upon visual inspection of the nc trek, it was reported that the balloon was fully deflated but did not re-wrap properly and appeared deformed.A replacement balloon dilatation catheter was used to successfully complete the procedure.There were no adverse patient effects or clinically significant delay in the procedure reported.No additional information was provided.
|
(b)(4).Evaluation summary: visual inspection was performed on the returned device.The reported folded issue was confirmed.The reported difficulty to remove could not be replicated in a testing environment as it was based on operational circumstances.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 similar incidents from this lot.Based on the information reviewed, there is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.The investigation determine that the folded issue and difficulty to remove appear to be related to operational context.
|