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(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Concomitant products: guide wire: runthrough, guide catheter: heartrail jl4 7f.(b)(4).The device was not returned for analysis.It should be noted that the preparation for use section of the mini trek rx coronary dilatation catheter instructions for use states: all air must be removed from the balloon and displaced with contrast prior to inserting into the body; otherwise, complications may occur.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.Based on the information reviewed, there is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.The investigation determined the reported difficulties appear to be related to circumstances of the procedure.
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It was reported that the procedure was to treat a 100% stenosis located in the mid left anterior descending (lad) artery with moderate tortuosity and heavy calcification.Resistance was felt during advancement of the 1.50 x 20 mm mini trek rx balloon dilatation catheter (bdc) through the lesion for pre-dilatation; however, it was able to cross successfully.The balloon ruptured during the first inflation at 8 atmospheres held for 15 seconds.Upon removal of the ruptured mini trek from the patient's anatomy, a pinhole on the balloon was observed.It was stated that air aspiration of the device was performed inside the patient's anatomy.A replacement nc trek bdc was used to perform the pre-dilatation.The procedure was successfully completed after a xience alpine stent was implanted.There were no adverse patient effects or clinically significant delay in the procedure reported.No additional information was provided.
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