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公开(公告)号：US20180092515A1
公开(公告)日：2018-04-05
申请号：US15725285
申请日：2017-10-05
Applicant: FUJIFILM Corporation
Inventor： Takashi YASHIRO , Masahiro KUBO , Masaya INOUE , Takeichi TATSUTA , Issei SUZUKI , Makoto SUGIZAKI
Abstract: An endoscope system includes: an endoscope including a side-viewing observation unit that includes a field of view in a lateral direction of an insertion part to be inserted into an object to be observed and a second protruding portion that protrudes from the insertion part and forms a blind spot in the field of view of the side-viewing observation unit; an image acquisition unit that acquires a side-viewing observation image by using the side-viewing observation unit; a monitor that displays the side-viewing observation image; and a display control section that allows at least a part of the blind spot of the side-viewing observation image in which the second protruding portion is shown up not to be displayed, and displays the side-viewing observation image on the monitor.
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公开(公告)号：US20240099691A1
公开(公告)日：2024-03-28
申请号：US18473281
申请日：2023-09-25
Applicant: FUJIFILM Corporation
Inventor： Masaya INOUE
CPC classification number: A61B8/12 , A61B8/4494
Abstract: A pressing portion is disposed on an inner peripheral surface of a base member, and has a pressing surface against which a pressed portion of a light guide fiber is pressed, and the pressing portion is configured in such a manner that a body portion of the light guide fiber is disposed at a position away from a cable support portion in a direction perpendicular to a longitudinal axis direction by pressing the pressed portion against the pressing surface.
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公开(公告)号：US20230389785A1
公开(公告)日：2023-12-07
申请号：US18454810
申请日：2023-08-24
Applicant: FUJIFILM Corporation
Inventor： Masaya INOUE , Takashi HARADA
CPC classification number: A61B1/018 , A61B1/00128 , A61B1/00103 , A61B1/00042
Abstract: A locking mechanism includes a locked member provided in an elevating operation lever and a spring member that applies a biasing force to the locked member. In a case where the elevating operation lever is not operated, the locked member is locked to a locking piece and the elevating operation lever is brought into a locked state, and in a case where the elevating operation lever is operated, a locked claw is separated from the locking piece by a lock release operation against the biasing force and the locked state of the elevating operation lever is released.
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公开(公告)号：US20230389780A1
公开(公告)日：2023-12-07
申请号：US18450357
申请日：2023-08-15
Applicant: FUJIFILM Corporation
Inventor： Masaya INOUE , Takashi HARADA
CPC classification number: A61B1/0055 , A61B1/008 , A61B1/01
Abstract: An elevating base provided to be movable between an elevated position and a fallen position is provided at a distal end of an insertion part of the endoscope. As an elevating operation lever rotates in a first direction, the elevating operation lever causes the elevating base to move to the elevated position, and as the elevating operation lever rotates in a second direction, the elevating operation lever causes the elevating base to move to the fallen position. The elevating operation lever is coupled to a bearing member via a rotation ring. The rotation ring has a protrusion, and the bearing member has a plurality of holes and a rail to configure a locking mechanism.
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公开(公告)号：US20140024897A1
公开(公告)日：2014-01-23
申请号：US14039902
申请日：2013-09-27
Applicant: FUJIFILM Corporation
Inventor： Masaya INOUE , Masayuki IWASAKA
IPC: A61B1/00
CPC classification number: A61B1/00147 , A61B1/00082 , A61B1/00098 , A61B1/00154 , E05D7/081 , G02B23/2476
Abstract: Operability in inserting an insertion part of an endoscope into a body cavity using an insertion assisting tool is improved. In an insertion assisting tool, a sidewall portion of a tube main body through which an insertion part of an endoscope is passed is provided with a sidewall opening part having a size in which the insertion part can pass through. A distal end side of the sidewall opening part is provided with a guiding valve, and the insertion part is guided by the guiding valve to be easily fed from the sidewall opening part. The guiding valve is swingably supported, and when the insertion part is fed from a distal end opening part of the tube main body, allowing the parallel state of being substantially parallel to an axial direction of the insertion part and passing the insertion part to a distal end opening part side are enabled.
Abstract translation: 提高了使用插入辅助工具将内窥镜的插入部插入体腔的操作性。 在插入辅助工具中，内窥镜的插入部通过的管主体的侧壁部设置有具有插入部能够通过的尺寸的侧壁开口部。 侧壁开口部的前端侧设有引导阀，插入部由引导阀引导，容易从侧壁开口部进给。 引导阀可摆动地支撑，并且当插管部分从管主体的远端开口部分供给时，允许平行状态基本上平行于插入部件的轴向并将插入部分通过远端 端部开口部分侧被启用。
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Patent Agency Ranking
公开(公告)号：US20230393382A1
公开(公告)日：2023-12-07
申请号：US18450351
申请日：2023-08-15
Applicant: FUJIFILM Corporation
Inventor： Masaya INOUE , Takashi HARADA
IPC: G02B23/24
CPC classification number: G02B23/2476
Abstract: An endoscope includes first and second angle knobs that are connected to first and second wire pulling members which change a direction of a distal end of an insertion part, in which a rotational movement restricting member is attached instead of the first and second angle knobs before use. The rotational movement restricting member includes a first rotational movement restricting portion that is engaged with the first wire pulling member to restrict a rotational movement of the first wire pulling member and a second rotational movement restricting portion that is engaged with the second wire pulling member to restrict a rotational movement of the second wire pulling member.
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公开(公告)号：US20230380674A1
公开(公告)日：2023-11-30
申请号：US18362949
申请日：2023-07-31
Applicant: FUJIFILM Corporation
Inventor： Takashi HARADA , Masaya INOUE
CPC classification number: A61B1/053 , A61B1/00096 , A61B1/00101 , A61B1/00103 , A61B1/00105 , A61B1/00128
Abstract: A distal end portion body is disposed at a distal end of an insertion part of the endoscope. In the distal end portion body, an imaging unit that is housed in an airtight or liquidtight state with respect to an external space and that is attachably and detachably held is provided. The distal end portion body includes a lens cover, an imaging unit housing portion in which the imaging unit is held, and a first opening portion and the imaging unit can be separated through the first opening portion in a case where the imaging unit held in the imaging unit housing portion is pulled to a proximal end side of the distal end portion body.
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公开(公告)号：US20230414079A1
公开(公告)日：2023-12-28
申请号：US18466826
申请日：2023-09-14
Applicant: FUJIFILM Corporation
Inventor： Masaya INOUE
IPC: A61B1/005
CPC classification number: A61B1/0052
Abstract: An endoscope includes an insertion part to be inserted into a body, and first and second angle knobs that change a direction of a distal end of the insertion part. An angle knob attaching shaft is inserted into the first and second angle knobs. An angle knob locking member is engaged with a distal end of the angle knob attaching shaft via a pressing member. When the angle knob locking member is engaged with the angle knob attaching shaft, movement of the first and second angle knobs toward a distal end side of the angle knob attaching shaft is regulated.
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公开(公告)号：US20230404379A1
公开(公告)日：2023-12-21
申请号：US18459438
申请日：2023-09-01
Applicant: FUJIFILM Corporation
Inventor： Masaya INOUE
CPC classification number: A61B1/018 , A61B1/0052 , A61B1/0055
Abstract: An endoscope according to the embodiment of the present invention includes an elevator operation lever that displaces an elevation angle of a treatment tool elevator for elevating a treatment tool provided in a distal end of an insertion part, the elevator operation lever including a coupling part coupled to a rotational movement member that moves rotationally about the same shaft as a rotational movement shaft of an angle knob, and being coupled to the rotational movement member as an engaging member is provided in any one of the rotational movement member or the coupling part and engages with an engaging hole provided in the other one of the rotational movement member or the coupling part.
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公开(公告)号：US20230404368A1
公开(公告)日：2023-12-21
申请号：US18459437
申请日：2023-09-01
Applicant: FUJIFILM Corporation
Inventor： Masaya INOUE
CPC classification number: A61B1/00087 , A61B1/018
Abstract: An endoscope according to the embodiment of the present invention includes a bending operating member and an elevator operation lever that displaces an elevation angle of a treatment tool elevator for elevating a treatment tool provided in a distal end of an insertion part, the bending operating member and the elevator operation lever being attached to a body part of an operating part, in which the elevator operation lever includes a finger hook part inside which a rotational movement regulating member is provided, and by bringing the rotational movement regulating member and an outer peripheral surface of the body part of the operating part into contact with each other, rotational movement of the elevator operation lever is regulated.
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