(b)(4).Device is a combination product.(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 fracture and in-stent restenosis occurred.In (b)(6) 2016, the patient presented with unstable angina and the index procedure was performed.The target lesion was located in the left main coronary artery (lmca).A 3.00x20mm promus premier¿ stent was implanted to treat the lesion.The patient tolerated the procedure well and one day post procedure, the patient was discharged.However, at around 11 pm on the same day, the patient presented back to the emergency department due to chest tightness and heaviness.On the following day, coronary angiogram was performed and it was noted that the previously placed 3.00x20mm promus premier¿ stent had fractured with 80% stenosis at the fracture site.The fractured stent was replaced with a 3.0 x 12 mm non-bsc stent.Final angiogram showed normal blood flow.The following day the patient was discharged.No further patient complications were reported.
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