We checked the returned unit and confirmed that the objective prism fluid damage.Based on the result, we concluded that it was caused due to the fluid damage from the objective prism.In addition, we confirmed that the operation channel cut, the remote control buttons leaked, the operation channel resistance, the suction channel leaked, the suction channel resistance and the light guide fiber bundle (lcb) had fluid damage; however, they are not the main cause, and/or irrelevant to the alleged complaint.Based on the technical report and/or the risk analysis results, it was evaluated to submit mdr.
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