This device is not distributed in us so that 510k# is blank.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 u/d knob broken, the insertion flexible tube buckled, and the insertion flexible tube crushed; 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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