(b)(4): during processing of this complaint, attempts were made to obtain complete event, patient and device information.Date of event has been estimated.Date of implant has been estimated.Literature: the demise of the absorb bvs: lessons learned from the discontinuation of a disappearing stent.The device remains in the patient.Investigation is not yet complete.A follow-up report will be submitted with all additional relevant information.The additional device malfunctions referenced in the article are being filed under a separate medwatch report.
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It was identified through review of the article that the absorb bioresorbable vascular scaffold (bvs) may be related to patient thrombosis, restenosis, re-hospitalization and re-vascularization.Details are listed in the article, titled, "the demise of the absorb bvs: lessons learned from the discontinuation of a disappearing stent".
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(b)(4).In the absence of reported part number, udi cannot be calculated.There was no reported device malfunction and the product was not returned.A review of the lot history record and complaint history of the reported lot could not be conducted because the lot number was not provided.The reported patient effects of thrombosis and restenosis, are listed in the bioresorbable vascular scaffold (bvs) system, absorb, instructions for use as known adverse events associated with the use of a coronary scaffold in native coronary arteries.Based on the case information, a conclusive cause for the reported patient effects, and the relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respect to design, manufacture or labeling of the device.
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