A user facility reported to olympus that after sterilization of the olympus, model um-g20-29r-3, ultrasonic probe a material resembling an oil stain was found on the pack.The problem, as reported to olympus, was identified during preparation for use.The intended procedure was completed using another similar device.There was no patient injury, associated with the problem, reported to olympus.
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The suspect device was returned to olympus and evaluated.The evaluation found a perforation at the distal end sheath; leakage of ultrasonic medium was confirmed.A device history record review indicates that the product was manufactured and tested in accordance with all applicable procedures and met all final product release criteria.The exact cause of the event could not be conclusively determined; however, based on the available information and the device evaluation, it is likely that due to perforation of the distal end sheath, leakage of the ultrasonic medium occurred.
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