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It was reported that the procedure was to treat the left anterior descending (lad) coronary artery with mild calcification, mild tortuosity and 90% stenosis.The whisper guide wire was attempting to advance an nc trek balloon dilatation catheter (bdc) and a drug eluting stent; however, there was resistance during advancement over the guide wire.The wire is noted to be sticky and the coating of the tip of the wire was peeling upon removal of the wire.A non-abbott wire was used to complete the procedure with the same nc trek balloon.There were no adverse patient effects and there was no clinically significant delay in the procedure.No additional information was provided.
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Visual inspection and dimensional analysis were performed on the returned device.Production record and corrective and preventive actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a query of the complaint handling database for the reported lo revealed there is no indication of a lot specific issue.Based on the information provided and the observations from the returned analysis, a definitive cause for the reported issues could not be determined.Factors that may contribute to difficult to advance over the guide wire include, but are not limited to, inner diameter of the catheter, device support, buildup of procedural contaminants, challenging anatomy, user technique, and/or damage to the catheter or guide wire.Additionally, it was reported that the guide wire was observed to be peeling.The observed scratched teflon coating was likely what was reported as peeling.This was likely due to interaction with the torque device being tight against the guide wire.There was no damage noted to the polymer coating.Based on the results of the complaint investigation, there is no indication a product quality issue with respect to manufacture, design or labeling of the device.
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