The product was returned to pentax medical for repair.Our technician checked the returned unit and confirmed that the operation channel primary stuck accessory/object.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 insertion flexible tube buckled, the insertion flexible tube crushed, and the insertion flexible tube collapse; 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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