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(b)(4).Additional information provided by the site indicated that the balloon ruptured circumferentially during percutaneous transluminal angioplasty (pta) of the superficial femoral artery (sfa) while attempting to dilate the balloon.Two days later the patient underwent a plain old balloon angioplasty a(poba) and flow retained.There were no reported adverse effects or injuries to the patient.Investigation - evaluation.A review of the complaint history, device history record, documentation, instructions for use (ifu), specifications, manufacturing instructions and quality control of the device was conducted during the investigation.The advance 35 lp low profile balloon catheter was not returned therefore, no physical examinations could be performed; however, a document based investigation evaluation was performed.There is no evidence to suggest the product was not made to specifications.Review of device history record shows no nonconforming events which could contribute to this failure mode.It should be noted there were no other reported complaints for this lot number.The instructions for use (ifu) state that "particular care should be taken in handling the balloon to prevent damage.It will inflate to the indicated size parameters when utilizing proper pressure recommendations.Adhere to balloon inflation pressure parameters indicated in the compliance card insert." warnings include "do not exceed rated burst pressure.Rupture of balloon may occur.Adhere to balloon inflation pressure parameters indicated in the compliance card insert.Over-inflation may cause rupture of the balloon, with result damage to the vessel wall.Use of a pressure gauge is recommended to monitor inflation pressures.Do not use a power injector for balloon inflation or injection of contrast medium through catheter lumen marked "distal." rupture may occur." based on the information provided, no product returned and the results of our investigation, a definitive root cause could not be determined.We will continue to monitor for similar complaints.Per the risk assessment no further action is required.
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