Cutting device, forceps and gripping/cutting method

An end effector comprising:

• a movable upper jaw member rotatably connected to a shaft,
• a stationary lower jaw member supported by a main body frame,
• a rotatable cutting member attached to the upper jaw member and engaged with the upper jaw member and the lower jaw member,
• a first electrode provided on the surface of the upper jaw member facing the lower jaw member,
• a second electrode provided on the surface of the lower jaw member facing the upper jaw member, and
• a third electrode provided at or near the cutting edge of the cutting member,
• a coaxial cable connected to the first electrode, the second electrode, and the third electrode, and
• a flexible member with a bendable cover shape.

A cutting device comprising:

• a gripping mechanism having a first gripping member and a second gripping member assembled so as to be openable and closable, and a gripping member rotating mechanism for rotating the first gripping member toward the second gripping member,
• a cutting mechanism having a cutting member attached to the first gripping member and a cutting member rotating mechanism for rotating the cutting member in the same direction as the rotation of the first gripping member,
• a support shaft disposed at the second gripping member that rotatably supports the first gripping member and the cutting member,
• wherein the gripping member rotating mechanism is composed of a gripping member moving mechanism for moving the first gripping member pivotally supported by the support shaft at a predetermined distance from the support shaft,
• wherein the cutting member rotation mechanism is composed of a cutting member moving mechanism that moves the cutting member pivotally supported by the support shaft at a predetermined distance from the support shaft,
• wherein the gripping member moving mechanism and the cutting member moving mechanism are composed of a long member and are moved along a long longitudinal direction, and
• wherein in a state where the first gripping member is rotated by the movement of the gripping member moving mechanism in the longitudinal direction and the target portion is gripped by the gripping mechanism, the cutting member is moved by the movement of the cutting member moving mechanism in the longitudinal direction to cut the target portion by rotating and joining with the second gripping member.