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 revealed no other similar incidents.The investigation determined that the reported difficulty to remove resulting in separation was likely related to procedural circumstances.It was reported that another wire was used with pressurewire x and they were reported to become entangled.It is likely that one of the wires was bent/kinked during advancement due to the challenging anatomical conditions; as a result, both wires were entangled during use which likely caused the reported separation during withdrawal.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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It was reported that the procedure was performed in the 85% stenosed, heavily tortuous, and moderately calcified lesion in the left anterior descending artery (lad).The lad was successfully cannulated.Subsequently, the pressurewire x wireless (pwx) was inserted through the guiding catheter to the distal lad.The guiding catheter was then removed from the ostium of the right coronary artery.While pulling the pwx back into the guiding catheter, a j tip wire was inserted into the 3.5/6 fr jr guiding catheter.During withdrawal of the j tip wire, the pwx became entangled with the j tip wire.When attempting to pull them apart, the pwx separated and remained attached to the guiding catheter.The pwx and the guiding catheter were removed together as a unit.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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