Olympus medical systems corp (omsc) was informed that during a right upper lobe of lung resection, the subject device was released continuously without operating the release button of the subject camera head, and the images froze at every release.The phenomenon occurred when the procedure was at the step that the position near pulmonary artery was treated, and because of the freeze of the image, the pulmonary artery was injured.The hemostasis was performed immediately, and the procedure was completed with the subject device.There was no aftermath or delay of the procedure.
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The subject device was returned to olympus for inspection.A tape was winded around the cable near the camera head of the subject device and a leak was observed at the point.After the tape was peeled off, a damage of the cable's surface was observed.Another damage of it was observed at the different position, and a leak was also observed there.During the function test, the failure of its remote switch 1 was observed.After the disassembly of the camera head, the corrosion of the switch circuit board was observed.There was no irregularity of the subject device with the device history record.According to the observation of the leakage of water and the corrosion of the switch circuit board, the water soaked into inside of the camera head, remote switch circuit board corroded and the phenomenon occurred.This report is being submitted as a medical device report in an abundance of caution.
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