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The subject device was returned to olympus medical systems corp.(omsc) for evaluation.The tissue pad of the subject device was worn.The coating for electric insulation of the probe was partially missing.The manufacturing record was reviewed and found no irregularities.Based on the past similar cases, it was known that the coating for electric insulation of the probe was damaged since the user continued to activate output without grasping tissue (including after the tissue already cut).Do not activate output in seal & cut mode while the grasping section is closed without contacting tissue or vessel, or ensuring that tissue is transected.Otherwise, a local increase of the temperature due to a friction between the probe tip and the grasping section may result in various forms of damage in the probe tip and/or the tissue pad, such as premature wear, breakage, deformation, and/or falling off inside the body cavity and/or partial separating.
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During a pancreaticoduodenectomy, the subject device was used.The sealing performances of the subject device deteriorated after about 2 hours of use.The intended procedure was completed with another device.There was no patient injury reported.On september 11, 2019, olympus medical systems corp.(omsc) found that the coating for electric insulation of the probe was partially missing.This is the report regarding the missing of the probe coating.
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