It was reported that the procedure was to treat the right common iliac artery with no calcification or tortuosity noted.During the procedure, the 10.0x40 mm absolute pro vascular self expanding stent system (sess) would not unlock to begin deployment of the stent.During removal of the sess, with the undeployed stent, it was observed that the stent had deployed on the guide wire inside the 6fr sheath.The sheath, sess and stent were all removed as a single unit.There were no adverse patient effects reported and there was no reported clinically significant delay in the procedure.No additional information was provided.
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Visual and functional analysis was performed on the returned device.The reported deployment issue and jammed thumbwheel was not confirmed.The reported stent removed from the delivery system was confirmed as the stent was not returned.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 incidents.The investigation was unable to determine a definitive cause for the difficulties.It may be possible that the distal shaft was bent or restricted in the anatomy preventing the shaft lumens from moving freely and causing the thumbwheel to jam; however, this could not be confirmed.The reported stent being removed from the delivery system likely occurred as the delivery system was removed with the stent partially deployed.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.Na.
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