Visual analysis was performed on the returned device.The reported connection problem was unable to be confirmed due to the condition of the returned unit.However, an optical fiber test was performed which revealed an optical fiber fracture in the lens region.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 complaints reported from this lot.Based on the evaluation of the returned device, the investigation determined that the reported difficulties (the failure to advance, kink, and calibration problem) were likely, related to circumstances of the procedure.It is likely that during the failed attempt to advance, the catheter became kinked causing the noted optical fiber fracture in the lens region and resulting in the reported error message/loss of imaging.The guide wire exit notch was torn and stretched for a length of 1.3 millimeters, likely due to interaction with the guide wire.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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