It was reported that a mildly tortuous, left diagonal coronary artery, heavily calcified lesion was stented with an unspecified stent, without reported issue.A mini trek dilatation catheter was advanced over an unspecified guide wire for post dilatation.The balloon was inflated to 20 atmospheres.Upon withdrawal, the balloon bunched on the wire, creating resistance with removal.The physician used hemostats to remove the balloon catheter with force.Another unspecified balloon was advanced over the same wire and was removed without issue.There were no adverse patient effects and there was no clinically significant delay.There was no additional information provided.
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(b)(4).It was initially reported that the device would be returned for analysis.Subsequent information revealed that the device is not available for evaluation.It is indicated that the device is not returning for evaluation; therefore, a failure analysis of the complaint device could not be completed.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.It should be noted that the instructions for use (ifu) states that the balloon pressure should not exceed the rated burst pressure.It should also be noted that the ifu states: do not advance or retract the catheter unless the balloon is fully deflated under vacuum and if resistance is felt, determine the cause before proceeding.Continuing to advance or retract the catheter while under resistance may result in damage to the vessels and / or damage / separation of the catheter.Based on the information reviewed, there is no indication of a product deficiency.
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