MINIMALLY INVASIVE SURGICAL INSTRUMENT HAVING AN IMPROVED JOINT

摘要

The present invention relates to a minimally invasive surgical instrument having an improved joint. According to one aspect of the present invention, provided is a minimally invasive surgical instrument comprising a shaft, a joint which is coupled to one end of the shaft, and an end effector which is coupled to the joint and can effect joint movement thereby. The joint comprises a plurality of joint links, and a joint for pitch-direction operation and a joint for yaw direction operation, the joints being formed by interposing at least one of the plurality of joint links.