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(b)(4).Internal file number - (b)(4): during processing of this complaint, attempts were made to obtain complete event, patient and device information.The device was not returned for analysis.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents.The investigation was unable to determine a conclusive cause for the reported failure to seal the perforation.There is no indication of a product quality issue with respect to the design, manufacture or labeling of the device.
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It was reported that a perforation occurred in the calcified, proximal right coronary artery (rca) with the use of an unspecified device.A 4.50 x 19 mm graftmaster was implanted at 16 atmosphere (atm), but did not fully seal the perforation, so a 4.0 x 26 mm graftmaster was implanted inside the first stent at 16 atm, successfully sealing the perforation.There was no reported adverse patient sequela or a clinically significant delay in procedure.No additional information was provided.
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