Manufacturing review: the device history records were reviewed with special attention to the raw materials, subassemblies, manufacturing process and quality control testing.This lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.This is the only complaint reported to date for this lot number and failure mode.Investigation summary: the device was returned for evaluation.A visual inspection found fiber disturbance on the barrel of the balloon.The device was inflated during functional testing and water was seen exiting the balloon.The fibers were removed and a pinhole rupture and partial circumferential rupture were identified.Therefore, the investigation is confirmed for fiber disturbance and rupture.The definitive root cause for the fiber disturbance and ruptures could not be determined based upon available information.It is unknown whether patient and/or procedural issues contributed to the event.Labeling review: the review of the ifu (instructions for use), indications, warnings, precautions, cautions, possible complications, and contraindications showed that the product labeling is adequate.
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