公开(公告)号：US10016245B2

公开(公告)日：2018-07-10

申请号：US15002600

申请日：2016-01-21

Applicant: OLYMPUS CORPORATION

Inventor： Takeshi Murata

IPC: G05G1/00 ,  A61B34/30 ,  F16H21/48 ,  F15B15/06 ,  F16H21/54 ,  F16H21/36 ,  F16H37/12 ,  F16H21/14

CPC classification number: A61B34/30 ,  A61B17/2804 ,  A61B2017/00845 ,  A61B2017/2927 ,  A61B2017/2939 ,  A61B2017/2943 ,  A61B2034/305 ,  F15B15/06 ,  F16H21/14 ,  F16H21/36 ,  F16H21/48 ,  F16H21/54 ,  F16H37/124 ,  F16H37/126

Abstract: Provided is a joint mechanism including two spur gears and; a support member that supports the two spur gears and so as to be rotatable about two joint shafts and that are disposed in a skew-lines positional relationship with a space between each other; and a rotational-force transmitting mechanism that transmits a rotational force between the spur gears and, wherein the rotational-force transmitting mechanism is provided with a transmission member formed of a rigid piece that is supported so as to be movable only in a direction parallel to a line of intersection between planes and that are respectively orthogonal to the two joint shafts and cam mechanisms or linkage mechanisms that are disposed between the transmission member and the two spur gears and, respectively, and that convert rotational motions of the spur gears and to a linear motion of the transmission member.

公开(公告)号：US10881275B2

公开(公告)日：2021-01-05

申请号：US16053863

申请日：2018-08-03

Applicant: OLYMPUS CORPORATION

Inventor： Shotaro Takemoto ,  Takeshi Murata

IPC: A61B1/00 ,  A61B1/31 ,  A61B1/005

Abstract: A medical device insertion method includes: inserting an endoscope into an overtube until a distal end of the endoscope protrudes from a distal end of the overtube; grasping a part of the endoscope protruding from the distal end of the overtube and inserting the endoscope into the large intestine until the distal end of the endoscope is between the splenic flexure and the sigmoid colon of the large intestine; and inserting the overtube together with the endoscope into the large intestine until the distal end of the endoscope is beyond the splenic flexure while grasping the overtube from an outer radial direction so as to deform the overtube in an inner radial direction until an inner surface of the overtube is pressed against an outer circumferential surface of the endoscope, and then inserting the overtube into the large intestine until a reinforced region is placed in the splenic flexure.

公开(公告)号：US12156638B2

公开(公告)日：2024-12-03

申请号：US17163834

申请日：2021-02-01

Applicant: OLYMPUS CORPORATION

Inventor： Takeshi Murata

IPC: A61B1/008 ,  A61B1/005 ,  A61B1/01

Abstract: A medical device includes an insertion unit; and a drive unit, the insertion unit has first, second and third lumens, the drive unit has first and second pulleys disposed to be movable advance and retraction, first and second wires are wound on the first and second pulleys, respectively, and a pulling mechanism to pull the first and second pulleys toward a proximal end side, the first wire has a first end inserted into the first lumen and fixed to a distal end side of the insertion unit and a second end inserted into the second lumen and fixed to the distal end side of the insertion unit, and the second wire has a first end inserted into the third lumen and fixed to the distal end side of the insertion unit and a second end fixed to the drive unit.

公开(公告)号：US12070186B2

公开(公告)日：2024-08-27

申请号：US17069470

申请日：2020-10-13

Applicant: OLYMPUS CORPORATION

Inventor： Jun Wakasone ,  Hiroyoshi Kobayashi ,  Takeshi Murata ,  Shotaro Takemoto

IPC: A61B17/02 ,  A61B1/00 ,  A61B1/005 ,  A61B1/018 ,  A61B17/00

CPC classification number: A61B1/00135 ,  A61B1/005 ,  A61B1/018 ,  A61B17/0218 ,  A61B2017/00296

Abstract: A surgical system includes: an overtube including a channel into which an endoscope is inserted; and an expansion device configured to ensure a surgical space by expanding an interior of a body at a distal side relative to a tip of the overtube. The expansion device includes a sheath and a wire configured to be protrudable from the sheath. The wire is configured to be switchable between a first configuration in which the wire protrudes from the sheath and a second configuration in which the wire protrudes from the sheath in a state where the wire is tilted, around a longitudinal axis, at an angle different from the first configuration.

公开(公告)号：US11141190B2

公开(公告)日：2021-10-12

申请号：US16700139

申请日：2019-12-02

Applicant: OLYMPUS CORPORATION

Inventor： Takeshi Murata ,  Hiroyoshi Kobayashi

IPC: A61B17/34 ,  A61B34/00 ,  A61B1/00 ,  A61B17/29 ,  A61B17/32 ,  A61B17/00 ,  A61M25/06

Abstract: A medical overtube device has a main body formed by articulating a plurality of nested units into a first group of nested units and a second group of nested units and is bendable in a longitudinal direction thereof; a first shape-fixation mechanism configured to fix a shape of the first group which has a first wire, both end of the first wire coupled to the first group of nested units and a first pulley configured to be wound by the first wire; and a second shape-fixation mechanism configured to fix a shape of the second group which has a second wire, both end of the second wire coupled to the second group of nested units; and a second pulley configured to be wound by the second wire, wherein the first shape-fixation mechanism is configured to release the fixed shape of the first group independently from the second shape-fixation mechanism.