It was reported that the hi-torque balance heavyweight hydro guide wire broke in two, in the stent.The 3.5x48mm xience skypoint stent separated and a stent fracture was noted at the ostium of the right coronary artery.Another stent was use to embed the separated portion of the stent; however, it is unknown if the separated portion of the guide wire was removed.There was no clinically significant delay reported.No additional information was provided.
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The device was not returned for evaluation.The lot history record (lhr) and corrective and preventive actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a review of the complaint history identified no similar incidents from this lot.A conclusive cause for the reported material separation could not be determined; however the subsequent device embedded in vessel or plaque and unexpected medical intervention (additional therapy/non-surgical treatment) appear to be related to the operational context of the procedure.Factors contributing to a material separation include, but are not limited to, damage during manufacturing, interaction with accessory devices or inadvertent mishandling.In this case, it is possible that the stent fractured due to interaction with accessory devices (guide wire), ultimately causing the reported material separation (stent); however, without the device to examine, this cannot be confirmed.Another stent was used to embed the separated portion of the stent into the anatomy.It is unknown if the separated portion of the guide wire was removed.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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Subsequently, it was noted that no piece of the guide wire left in the anatomy and per device return it was noted that the entire length of the guide wire was returned; however, separated from the distal core and shaping ribbon from the solder tip.There was no adverse patient effects reported.No additional information was provided.
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