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It was reported that during a right iliac angioplasty, the advance 35 lp low profile balloon catheter ruptured after two to three atmospheres (atm) of pressure was applied.The balloon sustained a circumferential tear causing the distal portion to invert.The complaint device was able to be successfully removed without adverse effect to the patient.According to the initial reporter, a section of the device did not remain inside the patient¿s anatomy.The patient did not require any additional procedures due to this occurrence.
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Additional information was received from the customer.The patient anatomy was reportedly heavily calcified, and the device was used with a merit inflation device.The rupture occurred when a circumferential tear caused the distal portion of the balloon to invert; all parts of the balloon were withdrawn into the sheath and then removed from the patient.The procedure was reportedly completed with a boston scientific high pressure balloon, and there was a satisfactory patient outcome.Investigation ¿ evaluation: a review of the complaint history, device history record, documentation, drawing, instructions for use (ifu), quality control, specifications, and a visual inspection of the returned device were conducted during the investigation.The visual inspection of the returned device confirmed that the balloon had ruptured radially, and was in two segments.Additionally, a document based investigation evaluation was performed.There is no evidence to suggest the product was not made to specifications.Numerous design verification and validation activities have been performed to ensure that this device meets design requirements, and that the device meets the needs of the user.It should be noted there were no other reported complaints for this lot number.Based on the information provided, the examination of the returned product, and the results of our investigation, a definitive root cause could not be determined.Measures are being conducted to address this failure mode.We will continue to monitor for similar complaints.Per the quality engineering risk assessment, no further action is required.
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