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(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device was not returned for analysis.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 did not indicate a lot specific quality issue.The investigation determined the reported difficult to remove appears to be related to the operational context of the procedure.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 at a 2.75 x 33 mm xience alpine stent delivery system (sds) was selected for the procedure.During preparation prior to use, the protective stent sheath was difficult to remove from the sds.Therefore, the sds was not used in the procedure.A new unspecified sds was used to successfully complete the procedure.There was no patient involvement.There was no reported clinically significant delay in the procedure.No additional information was provided.
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