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Visual inspection was performed on the returned device.The reported separation was confirmed.The reported difficulty removing the device could not be replicated in a testing environment as it was based on operational context.Production record and corrective and preventative actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a review of the complaint history identified no other similar complaints from this lot.It was reported by the account that the balloon was overinflated to 20 atmospheres (atms).It should be noted the coronary dilatation catheters (cdc), nc trek rx, global, instruction for use (ifu) states: balloon pressure should not exceed the rated burst pressure (rbp).The rbp for the nc trek rx device is 18 atm; therefore, rbp was exceeded.In this case, it is unknown if inflating the balloon slightly over cause or contributed to the reported complaint.Based on the reported information and the observations from the returned analysis, the investigation determined that the reported complaints appear to be related to operational context.In this case, it is unknown if inflating the balloon slightly over cause or contributed to the reported complaint.It was reported by the account that the balloon interacted with a previously implanted stent such that difficulty was encountered.Upon further manipulation of the device during attempts to remove it, the shaft ultimately separated.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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