(b)(4).Received one speedband superview super 7 with the irrigation catheter for analysis.A visual examination of the suture found it was broken with one portion attached to the ligator head and the other portion was attached to the trip wire loop.There was no damaged found to the ligator head and looked under in good condition.It was noticed that the ligator head teeth were not bent.It was observed that the bands were not present on the ligator head, indicating the device was fully deployed.A functional evaluation was performed by rotating the handle knob 180 degrees, an audible click was heard and indents were felt.A second functional evaluation was performed by attaching the irrigation catheter to the irrigation valve; the water was injected and the device was able to irrigate without any issues.The investigation concluded that, customer maneuvering or handling during the use of the device can lead to find the suture cut, however, at this point it is uncertain how the damages was caused, there is a lack of objective evidence or descriptive conditions of the event required to determine a definitive root cause of the event.The investigation findings and all information available do not lead to a clear conclusion about the cause of the reported adverse event.Therefore, the most probable root cause is cause not established.A review of the device history record (dhr) was performed and confirmed that this device met all material, assembly and performance specifications.
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