(b)(4).Investigation results a visual examination of the complaint device revealed that the catheter was cut into two sections; both sections of the device were returned.It was also noted that the balloon material was detached from the proximal bond and was torn longitudinally.This failure is likely due to anatomical/procedural factors encountered during the procedure which limited the performance of the device.Therefore, the most probable root cause is operational context.A review of the device history record (dhr) was performed and confirmed that this device met all material, assembly and performance specifications.A search of the complaint database revealed that no other complaints exist for the specified lot.(b)(4).
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It was reported to boston scientific corporation that a cre fixed wire dilatation balloon was used in the sigmoid colon during a gastroscopy procedure performed on (b)(6) 2017.According to the complainant, during the procedure, when the physician tried to increase the pressure the balloon burst.The balloon was removed and the procedure was completed with another cre fixed wire dilatation balloon device.There were no patient complications reported as a result of this event.The patient's condition at the conclusion of the procedure was reported to be stable.Investigation results revealed that the balloon material detached from the proximal bond; therefore, this is now an mdr reportable event.
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