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 identified no indication of a lot specific product quality issue.The investigation was unable to determine a cause for the reported stretch, bend/kink, ease of handling, and removal difficulty issue.It may be possible that excessive manipulation on the distal tip coil, inadequate force/torque applied, inadvertent damage on pressurewire, or the patient's anatomy contributed to the reported issue; however, without having the device to examine, this could not be confirmed.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 the pressurewire x device was to be used in the mildly tortuous left anterior descending artery.While inserting the device into the patient body, torque could not be applied on the device.While removing the device, the tip got caught in the y-connector valve part and the coil part was slightly stretched however, the device could be removed.When visually checked at outside of the body, a kink on the shaft part (middle of the device) was observed.Another device was used to continue and complete the procedure with no adverse patient consequences.There was no clinically significant delay in the procedure.No additional information was provided.
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