|
Block h6: imdrf device code a0501 captures the reportable investigation results of cautery pin detached.Block h11: investigation results: the returned sensation snare device was analyzed, and a visual evaluation noted that the handle cannula was detached.Also, it was found that the cautery pin was loosened.In order to analyze this component, it was fully detached manually, and it was found that the cautery pin was not damaged.The device was analyzed under magnification, and it was found that the handle cannula had the manufacturing crimping mark and the torque mark.Due to this condition, the functional test cannot be performed.No other problems with the device were noted.It was confirmed this device met manufacturing specifications prior to distribution, and there were no manufacturing deviations which could have contributed to the reported event.Investigation found that the handle cannula and cautery pin were detached.These problems likely have occurred due to the manner in which the device was handled and manipulated, which may have caused the reported and encountered problems.Excessive manipulation of the device without enough care could have induced the defects found.Also, these problems could have occurred due to the way the active cord was connected or disconnected from the cautery pin (2 in 1 connector), which may have caused the cautery pin to become detached; as a result, the handle cannula became detached as well.It is important to mention that the handle cannula had the manufacturing crimping and torque marks.Regarding the reported event of a loop retraction problem, since the device cannot be actuated and due to the device condition, it is not possible to confirm if the device was unable to retract.Taking all available information into consideration, the most probable cause of this complaint is adverse event related to procedure because the adverse event occurred during the procedure and the device had no influence on the event.
|