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It was reported that prior to use of the 3.5x48mm xience skypoint stent delivery system (sds), when the stylet was removed, the stent moved completely off the delivery balloon and the struts were noted to be flared.Therefore, the sds was no used in the patient.Another same size xience skypoint was used to complete the procedure.There was no patient involvement and no clinically significant delay reported in the procedure.No additional information was provided.
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The device was not returned for analysis.Production record and corrective and preventative actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a review of the complaint history identified no other similar complaints from this lot.Based on the information provided, a definitive cause for the reported complaints could not be determined.Stent dislodgement prior to use may be attributed to several factors including, but not limited to, improper or inadequate crimping at the time of manufacture, incorrect sheath sizing, positive pressure during preparation, forced sheath removal, handling of the stent during preparation, and interaction with accessory devices.Possible factors that could contribute to material deformation include, but are not limited to, damage during manufacturing, inadvertent mishandling during sheath/stylet removal, preparation, or interaction with accessory devices.In this case, it is possible that inadvertent mishandling during sheath/stylet removal of the device may have contributed to the reported material deformation, ultimately causing the reported stent dislodgement; however, without the device to examine, this cannot be confirmed.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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