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Visual inspection was performed on the returned device.The reported separation was confirmed.The reported difficulty inserting the device could not be replicated in a testing environment due to the condition of the returned device.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 similar incidents and/or complaints from this lot.The investigation was unable to determine a conclusive cause for the reported difficulty inserting the device; however, the reported separation appears to be related to circumstances of the procedure.Factors which may contribute to resistance with the guiding catheter include, but are not limited to, manufacturing, damage to the guiding catheter, or procedural technique (devices not properly supported or coaxially aligned).A conclusive cause for the reported difficulty could not be determined.Additionally, it is likely that since resistance was encountered during insertion, further handling of the device during attempts to insert it, likely resulted in the shaft kinking and ultimately separating.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of this device.
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