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It was reported that the procedure to treat an occluded lesion in the anterior tibial artery with moderate calcification.The ht command 18 guidewire (gw) was advanced through the 6fr short sheath sheath, but met heavy resistance, so it was removed from the anatomy.Outside the anatomy, the coating of the tip of the gw was noted to be peeling off.No part of the peeled material was in the patient anatomy.There was no adverse patient effect and no clinically significant delay reported in the procedure.A non-abbott gw was used to continue the procedure.No additional information was provided.
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A visual and dimensional inspection was performed on the returned device.The reported peeled/delaminated was confirmed.The reported difficult to advance could not be tested due to the device condition.Additionally it was noted that the polymer was deformed, stretched, and scratched.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/complaints from this lot.The investigation was unable to determine a conclusive cause for the reported difficult to advance; however, the reported peeled/delaminated polymer appears to be related to operational context.Factors that may contribute to difficulty advancing the guide wire through the catheter include, but are not limited to, inner diameter of the guide catheter, outer diameter of the guide wire, buildup of procedural contaminants, and/or damage to the guide catheter or guide wire.Based on the information provided and return analysis, it is unknown what may have caused or contributed to the reported difficult to advance.Additionally, the deformed, stretched, and scratched polymer noted during return analysis indicates the wire interacted with an accessory device.It is likely that manipulation of the guide wire, when met with resistance, resulted in the reported peeled/delaminated polymer.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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