(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).Above rated burst pressure(rbp).The device was not returned for evaluation.It should be noted that the coronary dilatation catheters (cdc), mini trek rx instructions for use (ifu) states: balloon pressure should not exceed the rated burst pressure (rbp).In this case, it is possible the inflation over rbp contributed to the reported event.Perforation is listed in the mini trek rx, ifu, as a known patient effect.A review of the history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.A conclusive cause for the reported patient effect and the relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respects to the design, manufacturing, or labeling of the device.
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