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Ultrasonically activated scalpel was developed to concomitantly achieve cutting and coagulation, and thereby has a potential to reduce bleeding. We introduced this instrument (Harmonic Scalpel(R), Johnson and Johnson Medical Co., Cincinnati, OH, USA) for adenoidectomy in 14 patients under direct visualization by endoscope. After the patient was intubated, a sandbag was placed under the shoulders and Davis mouth gag was inserted. Small rubber catheters were introduced to retract the soft palatedoi:10.5631/jibirin.95.899 fatcat:ztfun3smsfa33all5oiadclcwm