Surgery instrument and method for controlling triangulation for laparoscopic surgery

摘要

The present invention relates to a surgical tool and a control method for controlling angle is possible laparoscopy , surgical instruments joint angle formed by the arm and the arm is , by forming the cross- refraction can be maintained always fixed and if necessary by a separate sub- arm and separately manufactured or fabricated wedge , each arm is forming a joint angle in the cross state refracted may be fixed by the operator 's intention , and a fixed state is to be continuously maintained for the duration of the intended . ;