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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
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.
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公开(公告)号：US20190174993A1
公开(公告)日：2019-06-13
申请号：US16276897
申请日：2019-02-15
Applicant: OLYMPUS CORPORATION
Inventor： Kiwamu FUJITANI , Keisuke HATANO , Takayasu ITO
Abstract: An endoscope operation portion includes: an operation portion body provided being connected to a grasping portion; a joystick-type bending operation lever provided on a back side of the operation portion body, including a lever shaft body, and configured to perform a bending operation of a bending portion; and a suction button provided on a front side of the operation portion body so that an angle formed by an operation axis in a pressing-down operation direction relative to a central axis of the lever shaft body is an obtuse angle, and an intersection point between the central axis and the operation axis is positioned inside the operation portion body.
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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
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.
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公开(公告)号：US20170105602A1
公开(公告)日：2017-04-20
申请号：US15393396
申请日：2016-12-29
Applicant: OLYMPUS CORPORATION
Inventor： Kiwamu FUJITANI , Keisuke HATANO , Takayasu ITO
CPC classification number: A61B1/0052 , A61B1/00066 , A61B1/00068 , A61B1/00094 , A61B1/00128 , A61B1/005 , A61B1/015 , A61B2017/003 , A61B2017/00318 , A61B2034/742 , A61M25/0133 , A61M25/0136 , G02B23/24
Abstract: An endoscope operation portion includes: an operation portion body provided being connected to a grasping portion; a joystick-type bending operation lever provided on a back side of the operation portion body, including a lever shaft body, and configured to perform a bending operation of a bending portion; and a suction button provided on a front side of the operation portion body so that an angle formed by an operation axis in a pressing-down operation direction relative to a central axis of the lever shaft body is an obtuse angle, and an intersection point between the central axis and the operation axis is positioned inside the operation portion body.
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