(b)(4).The customer returned one guide wire and catheter for evaluation.Visual examination of the guide wire revealed one kink near the proximal end and the j tip was slightly deformed.The coils were slightly closer together; however, they were not offset or unraveled.Visual examination of the catheter did not reveal any defects or anomalies.The guide wire contained one kink 31 mm from the proximal end.The total length and outer diameter of the guide wire were measured and were found to be within specification.The length of the returned catheter body was also within specification.The proximal end of the returned swg was advanced through the distal end of the returned catheter to functionally test the components.The guide wire was able to advance through the catheter body but could not advance through the catheter juncture hub.When the guide wire was advanced from the distal extension line it was able to fully pass through the catheter and out of the catheter distal tip.All 3 extension lines were flushed with water and functioned as expected.A device history record review was performed and no relevant findings were identified.The customer report of difficulty advancing the guide wire through the catheter was confirmed through functional testing of the returned components.The returned guide wire contained one kink, and was unable to pass through the catheter juncture hub when advanced from the catheter distal tip.Based on the functional testing, the probable root cause is likely related to the manufacturing/molding of the catheter juncture hub.A capa has been initiated by the manufacturing site to further investigate this complaint issue.
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