It was reported that the nc trek was prepared without issue then inflated below rated burst pressure twice for approximately ten seconds to post dilate the non-abbott stent in the non-tortuous, non-calcified left main coronary artery.The nc trek appeared to inflate and deflate appropriately.When the nc trek was retracted to the guide catheter, resistance was met with the guide catheter, but the nc trek was completely removed.There were no adverse patient effects and no clinically significant delay in the procedure.The nc trek remained in one piece, but the balloon appears mangled.After removal, the customer attempted to inflate the nc trek, but it would not inflate.No additional information was provided.
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(b)(4).Estimated age.Estimated weight.Evaluation summary: the device was received.The reported difficult to remove from the guiding catheter could not be confirmed due to the condition of the returned device.The reported unusual appearance of the balloon was confirmed.A review of the electronic lot history record revealed no nonconformances from this lot.A query of the complaint handling database found no similar incidents for difficult inflation or unusual appearance.Based the information reviewed, visual and functional analysis of the returned device, there is no indication of a product deficiency.
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