The returned product was subjected to a technical analysis and the corresponding production documentation was reviewed to establish whether a deviation from the manufacturing process could be the cause for this event.The technical investigation revealed that the balloon has been inflated and was returned partially deflated.The device shaft is kinked about 5 mm distal to the guide wire exit port.In addition, the hypotube is kinked about 121 mm and about 144 mm distal to the kink protector.A 0.014 inch reference guidewire could be fully introduced with no unusual friction.Review of the production documentation confirmed that the device was manufactured according to specifications and passed all in-process and final inspections.Based on the conducted investigations of the device being subject to this complaint, no material or manufacturing related root cause could be determined.The root cause for the complaint event is most likely related to the handling during the procedure.Please note that the ifu advises the user to exercise care during handling to reduce the possibility of accidental breakage, bending or kinking of the catheter shaft.
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