(b)(4).The udi# is unknown because the part number and lot number was not provided.The device was not returned for evaluation.The reported patient effects of occlusion, pain, perforation, stenosis, and surgical procedure are listed in the supera instructions for use as known patient effects.The lot history record (lhr) for this product could not be reviewed because the product was not returned for evaluation and the lot number was not reported.Based on the case information, a conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined.The additional therapy/non-surgical treatment was related to operational context.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported through a research article identifying supera stents that may be related to limb loss, occlusion, in-stent restenosis, extremity pain and pallor, peroneal artery rupture and limb swelling.Specific patient information is documented as unknown.Details are listed in the attached article titled: analysis of endovascular therapy for femoropopliteal disease with the supera stent.
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