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It was reported that the procedure was to treat a 90% stenosed de novo lesion in the left anterior descending (lad) artery with mild calcification and mild tortuosity.The 3.5 x 12 mm nc trek balloon dilatation catheter (bdc) was attempted to be advanced on a whisper guide wire (gw); however, the gw was not able to track the bdc as the wire felt too sticky.The coating of the wire core was peeling during removal of the gw.Another whisper gw was attempted; however, the same issue occurred.There were no reported adverse patient effects and there was no reported clinically significant delay in the procedure.No additional information was provided.
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The device was not returned for analysis.A review of the production records and the corrective and preventive actions (capa) database was performed and revealed no indication of a product quality issue.Additionally, a query of the complaint handling database for the reported lot revealed no indication of a lot specific issue.It was reported that a balloon dilatation catheter encountered resistance when advancing over the wire.Factors that may contribute to difficulty advancing a balloon catheter over the guide wire include, but are not limited to, inner diameter of the catheter, outer diameter of the guide wire, device support, buildup of procedural contaminants, challenging anatomy, user technique, and/or damage to the catheter or guide wire.Based on the information provided and because the device was not returned for analysis, it is unknown what may have caused the reported difficulty during advancement.Additionally, it was reported that the core was observed to be peeling after removal.It is possible that manipulation of the wire, when resistance was encountered, contributed to the reported peeling, however, this cannot be confirmed.There is no indication of a product quality issue with respect to manufacture, design, or labeling; therefore, no product-related corrective action will be implemented in this case.Correction: d9 - device available for evaluation updated from yes to no.
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