The product was returned to pentax medical for repair.Our technician checked the returned unit and confirmed that the operation channel (primary) blocked.Based on the result, we concluded that it was caused due to the inadequate/insufficient reprocessing at the facility on the operation channel (primary).In addition, our technician confirmed that the lcb (light carrying bundle) broken, the light guide cable buckled, the remote control buttons cracked, the insertion flexible tube crushed, the operation channel (primary) deformed, the remote control buttons cut, the electrical pin connector dirty, the light guide cable lump/wave, the operation channel (primary) kink, the angulation down angulation decrease, and the angulation up angulation decrease; however, these defects are not the main cause, and/or irrelevant to the alleged complaint.Based on the technical report ""hr-rpt-0588(channel)"" and/or the risk analysis results, it was evaluated to submit mdr.
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