It was reported the procedure was to treat a lesion in the left main (lm) artery.The 1.20x6mm rx mini trek balloon dilatation catheter (bdc) was advanced to the lesion and the balloon inflated three times to 20, 15, and 15 atmospheres (atm) respectively when the balloon ruptured.The device was removed however it was noted the shaft had separated, the distal 10cm of the device remained in the anatomy.Attempts to retrieve the separated portion were unsuccessful and the device remains in the anatomy.The patient was transferred to the intensive care unit (icu) to be further monitored.No additional information was provided.
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The device was returned.Visual inspection was performed on the returned device.The reported separation was confirmed.The reported balloon rupture could not be determined since the balloon was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history identified no other similar incidents/complaints from this lot.It should be noted that the coronary dilatation catheters (cdc), mini trek instruction for use (ifu) states: balloon pressure should not exceed the rated burst pressure (rbp).The rbp for the mini trek device is 14 atm; therefore, rbp was exceeded.The investigation determined the reported balloon rupture appears to be related to user error as it was reported by the account that 1.20 x 6mm rx mini trek bdc was advanced to the lesion and the balloon inflated three times to 20, 15, and 15 atmospheres (atm) respectively when the balloon ruptured.The reported balloon separation, foreign body in patient, additional treatment and hospitalization appear to be related to operational context.There is no indication of a product quality issue with respect to design, manufacture or labeling of the device.
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