We checked the returned unit and confirmed that the bending rubber gluing missing.Based on the result, we concluded that it was caused due to the physical damage applied on the bending rubber gluing.In addition, we confirmed that the insertion flexible tube (ift) buckled; however, it is not the main cause, and/or irrelevant to the alleged complaint.In terms of gluing missing, the possibility of dropping into human body could not be denied.Moreover, based on the technical report "hr-rpt-0581 (bending rubber)" and/or the risk analysis results, it was evaluated to submit mdr.
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