Ultrasonic knife head fine ligation of small blood vessels reliable ligation of large blood vessels, can not only separate, but also grasp, but also coagulation, cutting... You can do almost anything in one surgery. Ergonomic design close to Asian surgeons, reduce hand fatigue during long-term surgery, high and low gear activation key optimization, more suitable for Asian surgeons habits, with manual control function, one hand mastery, surgeons can spend more time to focus on the surgical field of vision.