公开(公告)号：US20180325355A1

公开(公告)日：2018-11-15

申请号：US16042237

申请日：2018-07-23

Applicant: OLYMPUS CORPORATION

Inventor： Takayasu ITO ,  Eiji MATSUDA

IPC: A61B1/005 ,  G02B23/24 ,  A61B1/00 ,  A61B1/01

CPC classification number: A61B1/0052 ,  A61B1/00 ,  A61B1/00066 ,  A61B1/00137 ,  A61B1/01 ,  G02B23/24 ,  G02B23/2476

Abstract: An endoscope according to one aspect of the present invention includes: an operation lever portion that is provided in an operation portion, includes an operation shaft, and is capable of adjusting a bending angle of a bending portion in conjunction with a tilting operation; and an exterior cover that is water-tightly fixed to the operation portion so as to cover an outer periphery of the operation shaft, and is formed in a stair shape in cross section, including a hardly deformed region and an easily deformed region that is formed at a predetermined angle with respect to the hardly deformed region.

公开(公告)号：US20170245738A1

公开(公告)日：2017-08-31

申请号：US15597352

申请日：2017-05-17

Applicant: OLYMPUS CORPORATION

Inventor： Kiwamu FUJITANI ,  Keisuke HATANO ,  Takayasu ITO ,  Eiji MATSUDA

IPC: A61B1/005 ,  A61B1/008 ,  A61B1/00

Abstract: A dividing wall member is provided inside a specific bending piece selected from a plurality of bending pieces, an internal space of the bending piece is divided by the dividing wall member into a first space that opens corresponding to one rotating shaft, of rotating shafts that form a left and right pair, and a second space that is larger than the first space and opens corresponding to another rotating shaft, of the rotating shafts that form a left and right pair, and rotating shafts that form an upper and lower pair, a signal cable is inserted as a first internal component inside a first space, and a pair of light guides and a treatment instrument insertion channel are inserted as second internal components inside the second space.

公开(公告)号：US20170086652A1

公开(公告)日：2017-03-30

申请号：US15376710

申请日：2016-12-13

Applicant: OLYMPUS CORPORATION

Inventor： Sho NAKADE ,  Eiji MATSUDA

IPC: A61B1/005 ,  A61B1/04 ,  A61B1/008

CPC classification number: A61B1/0056 ,  A61B1/0057 ,  A61B1/008 ,  A61B1/04 ,  G02B23/24

Abstract: An endoscope insertion portion includes: a first bending portion disposed on a distal end side; a second bending portion connected to a proximal end of the first bending portion and provided with flexural rigidity higher than flexural rigidity of the first bending portion; a tubular member, a first tubular part of which on a distal end side disposed inside the first bending portion has a bending tendency in a predetermined direction and shape-memorized, and which is provided with a second tubular part on a proximal end side disposed inside the second bending portion; a first wire configured to move the first tubular part and independently bend only the first bending portion; and second wires configured to move the second tubular part and independently bend only the second bending portion.

公开(公告)号：US20230016068A1

公开(公告)日：2023-01-19

申请号：US17954797

申请日：2022-09-28

Applicant: OLYMPUS CORPORATION

Inventor： Eijiro SATO ,  Eiji MATSUDA ,  Ryo HASEGAWA ,  Takashi NARA

IPC: A61B1/005

Abstract: A bending section of an endoscope includes a first bending piece and a second bending piece in each of which a hole is formed, the first bending piece includes a first groove communicating with the hole and formed toward an outer side of a radial direction, the second bending piece is disposed adjacent to the first bending piece and includes a second groove formed from an outer circumference of the second bending piece toward the hole, and the wire is disposed in the first groove and the second groove.

公开(公告)号：US20150230692A1

公开(公告)日：2015-08-20

申请号：US14705187

申请日：2015-05-06

Applicant: OLYMPUS CORPORATION

Inventor： Eiji MATSUDA ,  Keisuke HATANO

IPC: A61B1/00 ,  A61B1/005 ,  A61B1/07 ,  A61B1/05 ,  A61B1/018

CPC classification number: A61B1/00114 ,  A61B1/00071 ,  A61B1/00096 ,  A61B1/0011 ,  A61B1/005 ,  A61B1/018 ,  A61B1/05 ,  A61B1/07 ,  G02B23/2476

Abstract: An electronic endoscope includes a plurality of small signal cables that extend from an image pickup unit and are inserted through and disposed in an inner space formed in an insertion portion, wherein the plurality of small signal cables are covered by a metal sheath and thereby brought together to form a single signal cable bundle and are arranged as the single signal cable bundle inside an endoscope cable as far as an operation portion, are arranged inside the operation portion in a state in which the metal sheath is stripped off therefrom inside the operation portion, and the plurality of small signal cables protruding from the metal sheath which is stripped off are arranged in a slackened state inside the operation portion.

Abstract translation: 电子内窥镜包括从图像拾取单元延伸并插入并设置在形成在插入部分中的内部空间中的多条小信号电缆，其中多条小信号电缆被金属护套覆盖，从而汇集在一起 为了形成单个信号电缆束，并且在作为操作部的内窥镜电缆内的单个信号电缆束配置在操作部内部，在操作部内部从其剥离金属护套的状态下配置， 并且从被剥离的金属护套突出的多个小信号电缆在操作部内部处于松弛状态。