Surgical instrument

Abstract

Provided is a surgical instrument including an end tool rotatable in at least one direction and including a first jaw and a second jaw opposite to the first jaw, a manipulation part configured to control a rotational motion of the end tool, and a connection part connecting the end tool to the manipulation part, wherein at least one of the first jaw and the second jaw includes an electrode formed thereon and configured to receive power for a predetermined time period to be Joule heated and perform cauterization on a tissue, and the manipulation part includes a processor configured to obtain a momentary current value corresponding to the received power at each of at least two or more time points among a plurality of time points within the predetermined time period and control the power so that the cauterization is performed on the basis of a parameter calculated based on the momentary current values.

Dependencies are inferred from the claim text.