(b)(4).The device was not returned for evaluation.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 similar incidents and/or complaints from this lot.It was reported that the device was prepped inside the anatomy.It should be noted that the coronary dilatation catheters (cdc), trek rx and mini trek rx, global instructions for use (ifu) specifies: all air must be removed from the balloon and displaced with contrast prior to inserting into the body; otherwise, complications may occur.It is unknown if the ifu violation caused or contributed to the reported complaint the investigation determined the reported complaints appear to be related to operational context.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.
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It was reported that the procedure was to treat a lesion located in the right coronary artery that was re-stenosed, heavily calcified, heavily tortuous and a chronic total occlusion.The mini trek rx balloon was advanced to the lesion and after 2-3 inflations, ruptured at 12 atmospheres.Resistance was noted during removal of the system.There was no adverse patient effect or a clinically significant delay in procedure.After consideration, the physician felt the patient was not a candidate for percutaneous coronary intervention and will undergo coronary artery bypass surgery.No additional information was provided.
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