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Additional method code: process evaluation (3331).Investigation,evaluation: a review of the complaint history, drawings, device history record, documentation, instructions for use (ifu), specifications, quality control, and visual inspection of the returned device was conducted during the investigation.One used advance 35 lp low profile balloon catheter (pta5-35-135-4-4.0) was returned for investigation.No non-conformances were noted regarding the hub, strain relief or catheter.A longitudinal rupture was noted on the balloon.Crow's feet were present.The balloon dimensions were not able to be measured due to rupture.There is no information surrounding the preparation or handling of the device.Ifu_t_35l states, "the balloon is manufactured from an extra-thinwall, high-strength, minimally-compliant material.Particular care should be taken in handling the balloon to prevent damage." there is no information regarding the shipping, handling or storage of this device.The ifu states, ""store in a dark, dry cool place.Avoid extended exposure to light." there is no information surrounding patient anatomy.Ifu_t_35l stated, "choose a balloon appropriate to lesion length and vessel diameter.Upon removal from package, inspect the catheter to ensure no damage has occurred during shipping." there is no information regarding the sheath or wire guide used with the pta5-35-135-4-4.0.The device label illustrates the pta5-35-135-4-4.0 is compatible with a 5fr.Sheath and.035inch wire guide.It is not known what the device was inflated to when "leakage" was noted.There is no information regarding the number of times the device was inflated.The label illustrates the rated burst pressure is = 15atm.A document-based investigation was performed.There is no evidence to suggest the finished product was not made to specifications.Review of the device history record of the finished product shows no nonconforming events that could contribute to this failure mode.A complaint history search revealed that there were no other reported complaints for this lot number.Numerous design verification and validation activities have been performed to ensure that this device meets design requirements.Based on the information provided and the results of our investigation, a definitive root cause cannot be determined at this time, however appropriate measures have been initiated to address this failure mode.Per the [quality engineering] risk assessment, no further action is required.Monitoring will continue to be performed for similar complaints.This report is required by the fda under 21 cfr part 803 and is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement contained herein is intended to be an admission that any cook device is defective or malfunctioned, that a death or serious injury occurred, nor that any cook device caused, contributed to, or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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