Objective To investigate effects of the laparoscopic ultrasonic scalpel and shears on hemostasis in the laparoscopic myomectomy in treating symptomatic fibroids.

Comparison between UHS and HIFU;

Usage of new type ultrasonically activated scalpel in radical resection of gastric carcinoma;

A clinical study on ultrasonically activated scalpel in open thyroid surgery;

Study on cells and their activity in smog produced by Ultrasonically Activated Scalpel during tissue incision;

Study of laparoscopic ultrasonic scalpel sheath hysterectomy;

Role of laparoscopic ultrasonic scalpel in lymphadenectomy of gynecologic malignancies;

Aplication of ultrasonic scalpel in laparoscopic hysterectomy

Evaluation of harmonic scalpel and ligasure sealing system in reliability of vascular occlusion and extent of tissue damage;

Experimental research of incarceration of cystic duct with harmonic scalpel;

Objective To investigate the efficacy of mini-insision thyroidectomy with harmonic scalpel.

Examining method and equipment of ultrasonic knife frequency;

As a new kind of surgery instrument, ultrasonic knife is getting more and more applications in many surgery domains.