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US 12,758,220 B2Granted
End tool of surgical instrument, and surgical instrument comprising same
AssigneeLivsmed Inc.
InventorsJaeyeong Lee, Junghwan Kim, Jung Joo Lee, Heejin Kim, Dongkyu Jang
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Abstract
The present disclosure relates to an end tool of a surgical instrument and a surgical instrument including the same, and more particularly, to an end tool of a surgical instrument that may be mounted on a robotic arm or operable manually to be used in laparoscopic surgery or other various surgeries, wherein the end tool is rotatable in two or more directions and is moved in a way that intuitively matches a motion of a manipulation part, and a surgical instrument including the same.
Claims19
An end tool of a surgical instrument, the end tool comprising:
- a first jaw configured to accommodate a cartridge;
- a second jaw formed to face the first jaw;
- a first jaw pulley coupled to the first jaw and formed to be rotatable around a first shaft;
- a second jaw pulley coupled to the second jaw, formed to be rotatable around a shaft substantially the same as or parallel to the first shaft, and formed to be spaced apart from the first jaw pulley by a certain extent;
- a staple drive assembly including a staple pulley at least partially formed between the first jaw pulley and the second jaw pulley;
- and
- a staple wire at least partially in contact with the staple pulley and configured to transmit, to the staple pulley, a driving force necessary for rotating the staple pulley,
- wherein the staple drive assembly is configured to be connected to a reciprocating assembly of the cartridge and configured to convert a rotational motion of the staple pulley into a linear motion of the reciprocating assembly.
5 more elements
Dependencies are inferred from the claim text.