The product was returned to pentax medical for repair.Our technician checked the returned unit and confirmed that the objective lens was broken.Based on the result, we concluded that it was caused due to the excessive force applied on the objective lens.In addition, our technician confirmed that the insertion flexible tube buckled, the suction channel buckled, the remote control buttons cut, the light guide cable cut, the distal body worn out, the brand plate worn out, and the segment steel braid rupture; however, these defects are not the main cause, and/or irrelevant to the alleged complaint.Based on the technical report ""hr-rpt-0586(image failure)"" and/or the risk analysis results, it was evaluated to submit mdr.
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