1·Objectives:To establish a method of electric power detection and to evaluate its performance for ultrasonic harmonic scalpel(UHS).
目的：建立一套实用的超声外科手术系统电功率检测方法，以评价在用超声外科手术系统的电功率性能。
2·Objective: To study the value of laparoscopic ultrasonography (LUS) and harmonic scalpel in the gastrointestinal laparoscopic surgery.
目的：探讨腹腔镜超声检查技术(LUS)和腹腔镜超声刀在腹腔镜胃肠外科手术中的应用价值。
3·Conclusion: Harmonic Scalpel using can significantly reduce the operation time and intraoperative bleed loss volume. It is worth of clinical promotion.
结论运用超声刀行前臂皮瓣制备术，可以缩短手术时间、减少手术中出血量，可在临床推广应用。
4·Using a bipolar coagulator or Harmonic scalpel as a substitute for endoclips to control adrenal vessels under laparoscopic vision is effective and safe.
使用双极电烧或超音波刀替换血管夹来控制肾上腺血管亦是有效且安全的。
5·The HARMONIC SCALPEL technology (Ethicon Endo-Surgery, Inc. , Cincinnati, Ohio) controls bleeding by coaptive coagulation at low temperatures ranging from 50?C to 100?C.
超声刀技术（爱惜康内镜外科公司，辛辛那提市，俄亥俄州）控制出血是在50 ?C至100 ?C的低温范围内凝血。
6·Conclusions: Using absorbable sutures and coagulation hook instead of clips and harmonic scalpel is a safe, reliable and more economical method for LC, and can avoid the complications caused by clips.
结论：LC术中使用可吸收缝线、电凝钩取代夹子和超声刀进行胆囊切除的方法经济、安全、可靠，能有效地避免使用夹子所致的并发症，可减少患者的医疗费用。