Age at time of event: 18 years or older.(b)(4).Device evaluated by mfr: it is indicated that the device will not be returned for evaluation.A review of the batch history, historical trending, and similar complaint trending review for the product family will be conducted.If there is any further relevant information from that review, a supplemental medwatch will be filed.(b)(4).
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It was reported that stent shortening occurred.The target lesion was located in the severely tortuous, moderately calcified and 100% stenosed superficial femoral artery (sfa).Vascular access was obtained with contralateral approach and a 7x180 innova self-expanding stent was advanced to the sfa and deployed.A mustang balloon catheter was then advanced for post-dilation of the stent, however the balloon catheter failed to cross the lesion and pushed the innova stent causing it to shorten.A 7x40x75 innova stent was then advanced in order to cover the damaged portion of the stent, however it could not cross the lesion.The procedure was completed with dilation using a sterling mr 6.0-150.There were no patient complications reported and the patient's status was stable.
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