This supplemental report is being submitted to provide the results of the manufacturer¿s investigation.The device evaluation, a review of the device history record (dhr), and a review of the instructions for use (ifu) were conducted during this investigation.The device evaluation found the ultrasonic probe¿s distal end was damaged, this suggests that external force was applied to the distal end of the insertion tube.It is presumed that this caused the distal end of the insertion tube to be damaged and become unstable, which led to rotation of the ultrasonic probe¿s distal end.The ifu contains the following statements: ¿do not hit, stretch, twist, drop, or bend excessively the distal end, insertion section, or connector section of the ultrasonic probe.Otherwise, the equipment may be damaged, causing an injury in the body cavity, burns, bleeding, perforation, or detachment of parts.¿ the review of the dhr did not find any abnormalities or anomalies identified during production.The device met all specifications upon release.The root cause could not be determined.Probable causes include improper handling of the device.Olympus will continue to monitor the field performance of this device.
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