The device was returned for analysis.The reported deflation problem was unable to be replicated in a testing environment due to the condition of the returned device.A review of the lot history record identified one manufacturing nonconformity issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents from this lot.The reported patient effects of angina and occlusion are listed in the nc trek rx coronary dilatation catheter instructions for use as known patient effects of coronary procedures.The complaint investigation determined the reported deflation problem is related to a potential manufacturing issue associated with deflation issues.The reported difficulties possibly contributed to the reported patient effects; however a conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined.The issue is being addressed per internal operating procedures.Abbott vascular will continue to trend the performance of these devices.
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