(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).The device is expected to be returned for evaluation.It has not yet been received.A follow up report will be submitted with all additional relevant information.
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It was reported that during a procedure to treat an unspecified coronary artery, a 4.0x12 mm nc trek balloon dilatation catheter (bdc) was advanced without resistance in the patient anatomy for post dilatation.After the bdc was successfully used for post dilatation, a kink was noted on the proximal shaft.When attempting to straighten the kink, the proximal shaft separated near the hub.The separated portion of the sds was simply withdrawn from the patient anatomy without issue.There was no adverse patient effect and no reported clinically significant delay in the procedure.No additional information was provided.
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(b)(4).The device was returned for analysis.The reported shaft kink and the reported shaft detachment were confirmed.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.The investigation determined the reported difficulties appear to be related to circumstances of the procedure and subsequent use error as it is likely that inadvertent mishandling during the procedure resulted in the reported shaft kink.It should be noted that coronary dilatation catheters (cdc), nc trek rx, global, instructions for use, states: do not use, or attempt to straighten, a catheter if the shaft has become bent or kinked; this may result in the shaft breaking.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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