公开(公告)号：US20230181205A1

公开(公告)日：2023-06-15

申请号：US18168185

申请日：2023-02-13

Applicant: Olympus Corporation

Inventor： Akira MIYAZAKI ,  Kazuhiro TANAKA ,  Ojiro KITAMURA

IPC: A61B17/28 ,  A61B17/285 ,  A61B17/22

CPC classification number: A61B17/282 ,  A61B17/285 ,  A61B17/2202 ,  A61B2017/2929

Abstract: A treatment tool includes: an insertion tube; a pair of jaws that are provided at a distal end of the insertion tube and that are flexible with respect to the insertion tube, the pair of jaws being configured to grasp living tissue by opening and closing each other; a pin that is provided on a rotation axis on which the jaws are caused to rotate with respect to the insertion tube; a shaft that has an outer circumferential surface and in which a hole into which the pin is inserted; a rod configured to be inserted into the insertion tube and move forward and backward along a longitudinal axis of the insertion tube; and a link mechanism that is linked to a distal end of the rod and that includes a plurality of arms linked with each other movably within a specific plane.

公开(公告)号：US20220395319A1

公开(公告)日：2022-12-15

申请号：US17889878

申请日：2022-08-17

Applicant: OLYMPUS CORPORATION

Inventor： Daisuke YANAGI ,  Ojiro KITAMURA ,  Yuki KAWAGUCHI ,  Sho OGAWA ,  Akira MIYAZAKI

IPC: A61B18/14

Abstract: A treatment tool includes: a sheath; a treatment portion that is capable of treating a living tissue and is provided at a distal end of the sheath; a first driver and a second driver that are inserted in the sheath and are capable of driving the treatment portion; and a holder that is inserted in the sheath, and holds the first driver and the second driver. The holder includes a groove in which the first and second driver are inserted, and an intervening portion provided in the groove and arranged between the first driver and the second driver in a cross section perpendicular to a longitudinal direction of the groove that extends from a distal end to a proximal end of the holder.

公开(公告)号：US20210315602A1

公开(公告)日：2021-10-14

申请号：US17358716

申请日：2021-06-25

Applicant: OLYMPUS CORPORATION

Inventor： Ojiro KITAMURA ,  Kazuhiro TANAKA

IPC: A61B17/29

Abstract: A treatment tool includes: a sheath that extends along a first axis; an end effector that is arranged on the sheath, the end effector being configured to apply energy to living tissue according to power that is supplied; a first operation portion into which the sheath is inserted and that is rotatable on the first axis together with the sheath; a housing configured to support the first operation portion; a conductive wire that is laid at least in the housing and in the first operation portion, is electrically connected to the end effector, and serves as a path via which the power is supplied; and a rotation portion that is at least partially positioned in the housing, that is rotatable on the first axis together with the sheath and the first operation portion, and around which the conductive wire is wound in the housing.

公开(公告)号：US20190350643A1

公开(公告)日：2019-11-21

申请号：US16525920

申请日：2019-07-30

Applicant: OLYMPUS CORPORATION

Inventor： Reisuke OSADA ,  Ojiro KITAMURA

IPC: A61B18/14

Abstract: A surgical device includes a housing, a rotator provided on the housing and rotatable about a first axis with respect to the housing, and an operator provided on the rotator and rotatable with respect to the rotator about a second axis intersecting the first axis. The operator includes a spherical band having a spherical outer surface. The spherical band includes an exposed portion which is exposed to the outside of the housing.

公开(公告)号：US20170071617A1

公开(公告)日：2017-03-16

申请号：US15259480

申请日：2016-09-08

Applicant: OLYMPUS CORPORATION

Inventor： Yuki KAWAGUCHI ,  Ojiro KITAMURA

IPC: A61B17/28 ,  A61B17/29 ,  A61B17/00

CPC classification number: A61B17/2812 ,  A61B17/00234 ,  A61B17/29 ,  A61B18/085 ,  A61B18/1442 ,  A61B2017/00424 ,  A61B2017/2926 ,  A61B2017/2927 ,  A61B2017/2929

Abstract: A medical treatment implement including: a shaft extending along a longitudinal axis; a housing having distal and proximal portions, a proximal end of the shaft being attached to the distal portion of the housing to extend from the distal to the proximal portion, the elongated shaft being rotatable about the longitudinal axis relative to the housing; an effector attached to a distal end of the shaft, the effector articulating relative to the longitudinal axis; a drive mechanism having an output connected to the effector to articulate the effector relative to the shaft; and an input unit attached to the housing at a position closer to the proximal portion than the distal portion, wherein the input unit receives an operation input and directly inputs the drive mechanism in response to the input, wherein the input unit rotates about the longitudinal axis together with the shaft relative to the housing.

Abstract translation: 一种医疗器具，包括：沿纵轴延伸的轴; 具有远端和近端部分的壳体，所述轴的近端附接到所述壳体的远端部分，以从所述远端延伸到所述近端部分，所述细长轴可相对于所述壳体绕所述纵向轴线旋转; 附接到所述轴的远端的效应器，所述效应器相对于所述纵向轴线铰接; 驱动机构，具有连接到效应器的输出端，用于相对于所述轴铰接所述效应器; 以及输入单元，其在比所述远端部分更靠近所述近端部分的位置处附接到所述壳体，其中所述输入单元接收操作输入并且响应于所述输入直接输入所述驱动机构，其中所述输入单元围绕所述纵向轴线旋转 与轴相对于壳体一起。

公开(公告)号：US20220183742A1

公开(公告)日：2022-06-16

申请号：US17684588

申请日：2022-03-02

Applicant: OLYMPUS CORPORATION

Inventor： Tsubasa KADOWAKI ,  Ryu YORITA ,  Ojiro KITAMURA ,  Yohei MOTOKI ,  Sho OGAWA ,  Tadashi KITAYAMA ,  Naoki OTAKA

IPC: A61B18/14

Abstract: An electrode with a conduit includes: a tubular portion internally provided with a first conduit; a distal end portion provided at the distal end of the tubular portion; a second conduit that is provided inside the distal end portion, the second conduit being configured to communicate with the first conduit; an opening configured to communicate with the first conduit and the second conduit; a first hemostatic surface that has a flat surface extending from the distal end of the tubular portion in an extending direction of the second conduit, and serves as an electrode configured to cause a high-frequency current to flow through a biological tissue; and a second hemostatic surface that is connected to a distal end side of the first hemostatic surface and is provided at an end portion protruding toward a distal end side from the opening.

公开(公告)号：US20190223941A1

公开(公告)日：2019-07-25

申请号：US16376215

申请日：2019-04-05

Applicant: OLYMPUS CORPORATION

Inventor： Ojiro KITAMURA ,  Yusuke TAKEI ,  Yuki KAWAGUCHI

IPC: A61B18/14

Abstract: A surgical treatment instrument includes an elongated member an end effector that is bendable with respect to the elongated member, a bending operator operable to bend the end effector, a rotor rotatable about a rotation axis in response to operation of the bending operator, and a transmitter that transmits a driving force to bend the end effector. The bending operator, the rotor, and the transmitter are rotatable about the longitudinal axis together with the elongated member and the end effector.

公开(公告)号：US20220330966A1

公开(公告)日：2022-10-20

申请号：US17854705

申请日：2022-06-30

Applicant: OLYMPUS CORPORATION

Inventor： Ojiro KITAMURA ,  Yuki KAWAGUCHI

IPC: A61B17/29

Abstract: A treatment tool includes: a sheath extending along a longitudinal axis; a fixed gripping piece protruding from a distal end of the sheath; a movable gripping piece that is movably attached to either the sheath or the fixed gripping piece, the movable gripping piece being configured to grip a living tissue between the movable gripping piece and the fixed gripping piece; and a movement restricting portion configured to allow movement of the movable gripping piece in a first range and restrict movement of the movable gripping piece in a second range different from the first range. The movable gripping piece is attachable to and detachable from either the sheath or the fixed gripping piece at a movement position within the second range.

公开(公告)号：US20200237391A1

公开(公告)日：2020-07-30

申请号：US16848927

申请日：2020-04-15

Applicant: OLYMPUS CORPORATION

Inventor： Ojiro KITAMURA

IPC: A61B17/29 ,  A61B34/00 ,  B23K26/22

Abstract: According to one embodiment, a medical device includes: a sheath with a distal end and a proximal end; a housing provided at the proximal end of the sheath; an end effector provided at the distal end of the sheath, the end effector capable of flexing or curving with respect to the sheath; a flexural drive unit including a drive member configured to move relative to the sheath and thereby flex or curve the end effector with respect to the sheath; and a support member mounted inside the housing with a part of the flexural drive unit mounted inside the support member.

公开(公告)号：US20190307475A1

公开(公告)日：2019-10-10

申请号：US16448500

申请日：2019-06-21

Applicant: OLYMPUS CORPORATION

Inventor： Ojiro KITAMURA ,  Reisuke OSADA

IPC: A61B17/29

Abstract: A treatment instrument includes a sheath having a longitudinal axis, an end effector provided on one end of the sheath, a housing to which the other end of the sheath is connected, and an operation dial provided to be rotatable relative to the housing around a first rotational axis. The operation dial includes a first outer peripheral surface provided around the first rotational axis, and a second outer peripheral surface spaced apart from the first outer peripheral surface in a direction along the first rotational axis and provided around the first rotational axis.