公开(公告)号：US20210052334A1

公开(公告)日：2021-02-25

申请号：US16549183

申请日：2019-08-23

Applicant: Ethicon LLC

Inventor： Eric N. Johnson ,  Mark Allen Davison

IPC: A61B34/30 ,  A61B17/29 ,  A61B18/14 ,  A61B17/00

Abstract: An end effector for a surgical tool includes a first jaw that defines an aperture, a second jaw rotatably coupled to the first jaw, and a spacer pin received within the aperture and protruding from an upper surface of the first jaw. The spacer pin is adjustable within the aperture to define a jaw gap between the first and second jaws when the second jaw is moved to a closed position and engages the spacer pin, and the spacer pin is secured within the aperture to set the jaw gap.

公开(公告)号：US11553939B2

公开(公告)日：2023-01-17

申请号：US16176575

申请日：2018-10-31

Applicant: Ethicon LLC

Inventor： Mark Allen Davison ,  Benjamin D. Dickerson ,  Rudolph Henry Nobis

IPC: A61B17/29 ,  A61B17/295 ,  A61B34/30 ,  A61B17/34 ,  A61B17/068 ,  A61B17/00

Abstract: An end effector includes first and second jaws movable between open and closed positions, a guide track defined in the second jaw, and a cutting element extendable into the guide track and longitudinally movable within the guide track. A retention feature is positioned within the guide track and operatively couples the cutting element to a drive rod. The drive rod is actuatable to move the cutting element within the guide track, and the retention feature is larger than a width of an opening to the guide track such that the retention feature is retained within the guide track as the cutting element moves.

公开(公告)号：US11317976B2

公开(公告)日：2022-05-03

申请号：US16549175

申请日：2019-08-23

Applicant: Ethicon LLC

Inventor： Eric N. Johnson ,  Mark Allen Davison ,  Tyler N. Brehm

IPC: A61B17/29 ,  A61B34/30 ,  A61B34/00 ,  A61B17/00

Abstract: An articulable wrist for an end effector includes a first linkage rotatably coupled to a second linkage at a first articulation joint, a flexible member extending at least partially through a central channel cooperatively defined by the first and second linkages, and a first pair of roller supports arranged at the first articulation joint and laterally offset from each other, each roller support extending parallel to a first pivot axis extending through the first articulation joint. A drive cable extends through a first axially-extending conduit defined in the flexible member and through a gap defined between the first pair of roller supports. The drive cable is supported at the first articulation joint by the first pair of roller supports during articulation and the first pair of roller supports prevents a centerline of the drive cable from moving past the first pivot axis during actuation of the end effector.

公开(公告)号：US11331155B2

公开(公告)日：2022-05-17

申请号：US16549183

申请日：2019-08-23

Applicant: Ethicon LLC

Inventor： Eric N. Johnson ,  Mark Allen Davison

IPC: A61B34/30 ,  A61B17/29 ,  A61B18/14 ,  A61B17/00

Abstract: An end effector for a surgical tool includes a first jaw that defines an aperture, a second jaw rotatably coupled to the first jaw, and a spacer pin received within the aperture and protruding from an upper surface of the first jaw. The spacer pin is adjustable within the aperture to define a jaw gap between the first and second jaws when the second jaw is moved to a closed position and engages the spacer pin, and the spacer pin is secured within the aperture to set the jaw gap.

公开(公告)号：US20210052333A1

公开(公告)日：2021-02-25

申请号：US16549175

申请日：2019-08-23

Applicant: Ethicon LLC

Inventor： Eric N. Johnson ,  Mark Allen Davison ,  Tyler N. Brehm

IPC: A61B34/30 ,  A61B17/00 ,  A61B17/29 ,  A61B34/00

Abstract: An articulable wrist for an end effector includes a first linkage rotatably coupled to a second linkage at a first articulation joint, a flexible member extending at least partially through a central channel cooperatively defined by the first and second linkages, and a first pair of roller supports arranged at the first articulation joint and laterally offset from each other, each roller support extending parallel to a first pivot axis extending through the first articulation joint. A drive cable extends through a first axially-extending conduit defined in the flexible member and through a gap defined between the first pair of roller supports. The drive cable is supported at the first articulation joint by the first pair of roller supports during articulation and the first pair of roller supports prevents a centerline of the drive cable from moving past the first pivot axis during actuation of the end effector.