The subject device has not been returned to olympus medical systems corp.(omsc) but was returned to olympus (b)(4) for evaluation.During the evaluation by (b)(4), the malfunction of the endoscopic image of the subject device was not duplicated.In addition, the evaluation confirmed signs of water immersion on circuit board within the video connector.Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.Considering the evaluation result, it was surmised that the reported event occurred by damage of the electrical image unit (ccd) due to the water immersion.
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Olympus medical systems corp.(omsc) was informed that before a therapeutic procedure using the subject device, the endoscopic image of the subject device was not displayed in combination with an olympus video system center (otv-s190).At that time, the patient was given a local anesthesia.The user facility changed the subject device as a result and completed the procedure.However, the procedure time was prolonged.There was no report of patient injury associated with the event.
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