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US 11,529,188 B2Granted
Surgical instrument for electrocautery
AssigneeLivsmed Inc.
InventorsJung Joo Lee, Heejin Kim, Dongkyu Jang
Life of this patent
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Abstract
A surgical instrument for electrocautery is provided. The surgical instrument is a manually operable surgical instrument for electrocautery for use in laparoscopic surgery or various surgeries.
Claims11
A surgical instrument for electrocautery, the surgical instrument comprising:
- an end tool comprising:
- at least one jaw formed to enable pitch rotation and yaw rotation thereof;
- and
- an end tool pulley comprising a shaft through, portion formed to protrude from a main body of the end tool pulley and into which a jaw rotation shaft is inserted therethrough, wherein at least a portion of the at least one jaw is accommodated in the end tool pulley;
- a manipulation portion for controlling rotation of the end tool in two or more directions;
- a power transmission portion comprising a wire connected to the manipulation portion and configured to transfer the rotation of the manipulation portion to the at least one jaw;
- and
- a connection portion extending in a first direction, and having one end coupled to the end tool and the other end coupled to the manipulation portion, thereby connecting the manipulation portion to the end tool,
- wherein the at least one jaw is not fitted to the jaw rotation shaft and the shaft through portion, does not contact the jaw rotation shaft and the shaft through portion, and is formed to be spaced apart from the jaw rotation shaft and the shaft through portion, and
- wherein all portions of the at least one jaw are disposed closer to a distal end side of the end tool than all portions of the jaw rotation shaft and the shaft through portion.
7 more elements
Dependencies are inferred from the claim text.