(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Evaluation summary: visual, dimensional, functional and scanning electron microscopy (sem) inspection was performed on the returned device.The reported blockage was confirmed.The investigation was unable to determine a definitive cause for the blockage.The potential improper loading of the proximal end of the guide wire may have caused the noted damage to the interior of the supera guide wire lumen and the material formed the noted blockage that prevented further advancement of the guide wire; however, this could not be confirmed.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history of the reported lot revealed no other incidents.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 that during preparation of the devices for the procedure, the guide wire would not advance through the supera lumen.The guide wire was exchanged to a new guide wire, but it wouldn't go through the supera lumen as well.Although, the supera guide wire port had been flushed prior to use.The supera was not used.A non-abbott device was used to complete the procedure.There was no patient involvement.There was no clinically significant delay in the procedure.No additional information was provided.Return device analysis revealed that there was a clear substance visible in the guide wire lumen, at the distal end of the ratchet stem.
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