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Block e1: initial reporter facility name is the (b)(6) hospital (b)(6); reported here as the facility name exceeded character limit for designated field.Block h6: imdrf device code a0414 captures the reportable investigation finding of balloon torn.Block h11: investigation results.The returned cre pro wireguided dase dilatation balloon device was analyzed, and a visual inspection found no damages.A functional inspection was performed, and the balloon was inflated without any problem, however, it was not able to hold the pressure due to it was teared.Microscope inspection confirmed the presence of a tear.No other problems with the device were noted.With all available information, boston scientific concludes the reported event of balloon failure to inflate can be confirmed.The results of the analysis performed on the returned device found that the device was inflated without any problem, however, it was not able to hold the pressure due to a tear which result in the reported failure to inflate.The teared found in the balloon is likely to have occurred due to factors encountered during the procedure or it can be due to excess pressure.These factors and interactions could influence the damage found in the balloon.Also, it is possible that interaction with any kind of a sharp surface during/previous the procedure could create friction on the balloon, causing the problem of teared during the procedure.Based on a thorough review of the reported complaint, boston scientific has assigned an investigation conclusion code of adverse event related to procedure.A review of the device history record (dhr) was performed.The review of the dhr identified that there were no process related non-conformances, scrap, or rework performed during the production that could explain the event.The reviews ensure each device meets specification prior to release for use.There is no indication the device manufacturing process contributed to the reported complaint.
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