The device was returned for analysis.
The reported inflation problem was able to be confirmed.
Additionally during device analysis, it was noted that the outer member was stretched and the inner member was torn above the proximal seal.
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.
As there was no report of a leak during preparation for 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 guide wire/other devices in conjunction with interaction with the heavily tortuous and mildly calcified lesion resulted in the noted torn inner member; thus resulting in the reported inflation problem/noted tip leak.
Manipulation of the device resulted in the noted stretched and folded outer member.
There is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that the procedure was to treat a heavily tortuous and mildly calcified lesion in the left circumflex artery.
The 2.
75x12mm nc trek balloon catheter (bdc) was advanced.
Several attempts to inflate the balloon to nominal pressure were made; however, balloon failed to inflate.
Another 2.
75x12mm nc trek bdc was used to successfully complete the procedure.
There were no adverse patient effects and no clinically significant delay in the procedure.
The returned device analysis identified that the outer member was stretched proximal to the proximal seal, the inner member above the proximal seal was torn, and fluid was observed coming out of the tip.
No additional information was provided.
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