The present invention relates to a single driving button control-type ultrasonic surgical apparatus and a method for controlling ultrasonic output using same, the single driving button control-type ultrasonic surgical apparatus comprising: a body comprising a grip portion which can be gripped by a user and an ultrasonic wavelength transmission unit which is extended forward at length so as to be accessible to the biological tissue, and having an accommodation space formed therein an ultrasonic vibration unit comprising a vibrator unit which is provided in the accommodation space and generates vibration, and an end effector which is provided on the front end of the ultrasonic wavelength transmission unit and connected to the vibrator unit so as to receive transmission of vibration a holding unit comprising a holding portion which is provided on the front end of the ultrasonic wavelength transmission unit and formed such that the distance from the end effector can vary, thereby holding the biological tissue with the end effector, and an operation portion which is provided in the body so as to be capable of operate the holding portion a driving button which is provided in the body and generates an input signal on the basis of the operation of the user and a control portion which, if the input signal of the driving button is generated once within a preset reference time and then maintained, drives the vibrator unit at first vibration strength and, if the input signal of the driving button is generated n or more times within the reference time and then maintained, drives the vibrator unit at n vibration strength.La présente invention concerne un appareil chirurgical ultrasonore du type à commande par bouton de commande unique et un procédé pour réguler la puissance ultrasonore au moyen de celui-ci, ledit appareil comprenant : un corps comprenant une partie de préhension pouvant être saisie par un utilisateur et une unité de transmission de longueur donde ultrasonore éten
