Surgical instrument
AssigneeMedicaroid Corporation
InventorsKaoru TAKAHASHI, Tetsushi ITO
Life of this patent
Estimating the term…
Abstract
A surgical instrument according to an embodiment may include: an end effector including first and second jaw members movable between an open position and a closed position; a wrist joint portion connected to a proximal end of the end effector; and a shaft connected to a proximal end of the wrist joint portion. At least one of the first and second jaw members is rotatably provided about a rotation axis. A diameter D1 of the end effector at a portion where the rotation axis is provided is smaller than a diameter D2 of a central portion in a longitudinal direction of the wrist joint portion and a diameter D3 of a central portion in the longitudinal direction of the shaft.
Claims20
A surgical instrument for a robotic surgical system comprising:
- an end effector including first and second jaw members movable between an open position and a closed position, wherein at least one of the first and second jaw members is rotatably provided about a rotation axis;
- a wrist joint portion connected to a proximal end of the end effector;
- and
- a shaft connected to a proximal end of the wrist joint portion, wherein
- a diameter D1 of the end effector at a portion where the rotation axis is provided is smaller than a diameter D2 of a central portion in a longitudinal direction of the wrist joint portion and a diameter D3 of a central portion in the longitudinal direction of the shaft.
A surgical instrument to be attached to an instrument attachment portion of a robot arm of a robotic surgical system, the surgical instrument comprising:
- an end effector including first and second jaw members movable between an open position and a closed position, wherein at least one of the first and second jaw members is rotatably provided about a rotation axis;
- a wrist joint portion connected to a proximal end of the end effector;
- a shaft connected to a proximal end of the wrist joint portion;
- and
- an interface that is provided to a proximal end side of the shaft and configured to be attached to the instrument attachment portion, wherein
- a diameter D1 of the end effector at a portion where the rotation axis is provided is smaller than a diameter D2 of a central portion in a longitudinal direction of the wrist joint portion and a diameter D3 of a central portion in the longitudinal direction of the shaft.
A surgical instrument to be attached to an instrument attachment portion of a robot arm of a robotic surgical system, the surgical instrument comprising:
- an end effector including first and second jaw members movable between an open position and a closed position, wherein at least one of the first and second jaw members is rotatably provided about a rotation axis;
- a wrist joint portion connected to a proximal end of the end effector;
- a shaft connected to a proximal end of the wrist joint portion;
- and
- an interface that is provided to a proximal end side of the shaft and configured to be attached to the instrument attachment portion, wherein
- the instrument attachment portion includes a first drive member and a second drive member,
- the interface includes a first reception member that receives a driving force from the first drive member to drive the end effector, and a second reception member that receives a driving force from the second drive member to drive the wrist joint portion, and
- the shaft includes a hollow metal shaft and an insulating heat shrink tube covering a surface of the metal shaft.
Dependencies are inferred from the claim text.