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1.发明授权公开(公告)号：US11089950B2
公开(公告)日：2021-08-17
申请号：US16414863
申请日：2019-05-17
Applicant: OLYMPUS CORPORATION
Inventor： Kensuke Miyake , Takashi Saito , Ryu Oshima , Masahiro Katakura , Yugo Koizumi , Mai Ojima
Abstract: An endoscope apparatus including a connector included in an endoscope and connected to an endoscope connection portion of a video processor, a fluid feeding apparatus including a tube configured to transmit fluid to the endoscope, a connection detector configured to detect a connection state of the tube with the connector of the endoscope, a control unit configured to detect an ON/OFF state of a power source of the fluid feeding apparatus, determine an abnormality exists when the connection detector detects that the tube is in a disconnected state with the connector of the endoscope and the power source of the fluid feeding apparatus is detected to be in an ON state, and output a notification of the determined abnormality, and a display configured to display the notification of the abnormality outputted by the control unit.
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公开(公告)号：US09949622B2
公开(公告)日：2018-04-24
申请号：US15342414
申请日：2016-11-03
Applicant: OLYMPUS CORPORATION
Inventor： Masahiro Katakura
CPC classification number: A61B1/00193 , A61B1/00009 , A61B1/00096 , A61B1/00186 , A61B1/00188 , A61B1/04 , A61B1/051 , G02B5/04 , G02B13/04 , G02B17/04 , G02B23/04 , G02B23/24 , G02B23/2415 , G02B23/243 , G02B23/2484
Abstract: An endoscope system includes an objective optical system OBL, an optical path splitting unit which splits an object image acquired by the objective optical system OBL into two optical images having a different focus, an image pickup element which acquires the optical images, and an image synthesis processing section which selects in a predetermined area an image with a relatively high contrast from the two optical images acquired, and generates a composite image, wherein the objective optical system OBL includes a first lens L1 having a negative refractive power which is nearest to object, and the endoscope system satisfies the following conditional expressions (1) and (2). 3
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公开(公告)号：US20160154230A1
公开(公告)日：2016-06-02
申请号：US15019264
申请日：2016-02-09
Applicant: OLYMPUS CORPORATION
Inventor： Masahiro Katakura
IPC: G02B23/24 , G02B15/173 , G02B15/177 , G02B9/12
CPC classification number: G02B23/243 , G02B9/12 , G02B15/173 , G02B15/177 , G02B23/2438
Abstract: This endoscope objective optical system is capable of acquiring images of high resolution and wide angle of observation field, maintaining low invasiveness and appropriately correcting various aberrations. This optical system has at least a first cemented lens which has a positive lens and a negative lens, in which the cemented lens satisfies the following conditional expressions. 15.0 rdyA1/ih>−20 (2) νA is an Abbe number of the negative lens, ndA is a refractive index of the negative lens at the d-line, rdyA1 is a curvature radius of a joining surface of the negative lens, and ih is an image height.
Abstract translation: 该内窥镜物镜光学系统能够获取高分辨率和广角观察场的图像，保持低侵入性并适当地校正各种像差。 该光学系统具有至少第一胶合透镜，其具有正透镜和负透镜，其中胶合透镜满足以下条件表达式。 15.0 <＆ngr; A-nd <15.75（1）-0.2> rdyA1 / ih> -20（2）＆ngr; A是负透镜的阿贝数，ndA是负透镜在d线处的折射率 rdyA1是负透镜的接合面的曲率半径，ih是图像高度。
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公开(公告)号：US09788732B2
公开(公告)日：2017-10-17
申请号：US14477507
申请日：2014-09-04
Applicant: OLYMPUS CORPORATION
Inventor： Ryosuke Ito , Kenji Kamimura , Kazuhiro Gono , Takeshi Suga , Masahiro Katakura , Yoshimine Kobayashi
CPC classification number: A61B5/0084 , A61B5/0075 , A61B2560/0223 , A61B2560/0233 , A61B2560/0238 , A61B2562/043 , A61B2562/046
Abstract: An optical measuring device includes: a light source unit; a measurement probe including a fiber bundle, an illumination fiber that illuminates a living tissue with a illumination light, and a plurality of light-receiving fibers that receives return light of the illumination light reflected and/or scattered at the living tissue; a detection unit that receives the return light of the illumination light detected by the plurality of respective light-receiving fibers, and performs photoelectric conversion to detect respective signal intensities; and an association unit that associates the respective signal intensities detected by the detection unit with distances from the illumination fiber to the respective light-receiving fibers on an end face of a distal end portion of the measurement probe, when light having an intensity gradient around the illumination fiber is projected to the end face of the distal end portion of the measurement probe.
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公开(公告)号：US11733505B2
公开(公告)日：2023-08-22
申请号：US17239850
申请日：2021-04-26
Applicant: OLYMPUS CORPORATION
Inventor： Masahiro Katakura
CPC classification number: G02B23/2469 , A61B1/04 , G02B15/143507 , G02B23/2438 , G02B23/2461 , G02B27/0075 , G02B27/1066
Abstract: An endoscope includes a plurality of illuminating optical systems, an objective optical system, and an optical-path splitting member. The optical-path splitting member has an optical element which forms a first optical path and a second optical path, and an optical-path length of the first optical path differs from an optical-path length of the second optical path. Illumination light is irradiated to an object from the plurality of illuminating optical systems. The objective optical system has an object-side incidence surface which is located nearest to the object, and each of the plurality of illuminating optical systems has an object-side emergence surface which is located nearest to the object. Each of the object-side emergence surfaces is located on an image side of the object-side incidence surface, and following conditional expression (1) is satisfied:
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Patent Agency Ranking
公开(公告)号：US09851551B2
公开(公告)日：2017-12-26
申请号：US15341257
申请日：2016-11-02
Applicant: OLYMPUS CORPORATION
Inventor： Masahiro Katakura
CPC classification number: G02B23/2438 , A61B1/00096 , A61B1/00188 , A61B1/06 , A61B1/0676 , A61B1/07 , G02B23/2461 , G02B23/2469
Abstract: This endoscope has an observation optical system that switches its observation mode between magnified observation and normal observation by moving some lenses in an optical-axis direction; and a plurality of illumination optical systems, wherein lens surfaces at the most distal ends of the plurality of illumination optical systems are disposed closer to a proximal end than a lens surface at the most distal end of the observation optical system, and all of the lens surfaces at the most distal ends of the plurality of illumination optical systems are disposed substantially parallel to the lens surface at the most distal end of the observation optical system, wherein the following conditional expressions (1) to (3) are satisfied. 1.0≦D_Back(far)/D_Back(near)
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公开(公告)号：US11815739B2
公开(公告)日：2023-11-14
申请号：US17089773
申请日：2020-11-05
Applicant: OLYMPUS CORPORATION
Inventor： Masahiro Katakura
CPC classification number: G02B9/12 , G02B13/04 , G02B23/2438 , H04N23/55 , H04N23/555
Abstract: An endoscope optical system includes, in order from an object side: a fixed negative first lens group; a movable positive second lens group; a fixed aperture stop; and a fixed positive third lens group, the endoscope optical system being capable of switching between a normal observation state and a magnified observation state by moving the second lens group along an optical axis, in which the third lens group includes, in order from the object side: a cemented lens consisted of three lenses; and a cemented lens consisted of two lenses. In the cemented lens consisted of three lenses, three lenses of a positive lens, a negative lens, and a positive lens are cemented. In the cemented lens consisted of two lenses, two lenses of a positive lens and a negative lens are cemented. The following conditional expressions (1) and (2) are satisfied: 1.70
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公开(公告)号：US09757012B2
公开(公告)日：2017-09-12
申请号：US15250209
申请日：2016-08-29
Applicant: OLYMPUS CORPORATION
Inventor： Masahiro Katakura
CPC classification number: A61B1/00096 , A61B1/00174 , A61B1/00188 , A61B1/06 , A61B1/07 , G02B23/243 , G02B23/2438 , G02B23/2469
Abstract: This endoscope includes an observation optical system capable of changing a magnified observation and a normal observation with each other, and a plurality of illumination optical systems, wherein a most tip side lens surface of at least one of the illumination optical systems is disposed at a position which is closer to a proximal end side than a most tip side lens surface of the observation optical system, and the following conditional expressions are satisfied. 0.03
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公开(公告)号：US10670854B2
公开(公告)日：2020-06-02
申请号：US15999014
申请日：2018-08-20
Applicant: OLYMPUS CORPORATION
Inventor： Masahiro Katakura
IPC: G02B23/24 , G02B9/12 , G02B15/173 , G02B15/177
Abstract: This endoscope objective optical system is capable of acquiring images of high resolution and wide angle of observation field, maintaining low invasiveness and appropriately correcting various aberrations. This optical system has at least a first cemented lens which has a positive lens and a negative lens, in which the cemented lens satisfies the following conditional expressions: (1) 15.0 rdyA1/ih>−20, wherein νA is an Abbe number of the negative lens, ndA is a refractive index of the negative lens at the d-line, rdyA1 is a curvature radius of a joining surface of the negative lens, and ih is an image height.
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公开(公告)号：US10101575B2
公开(公告)日：2018-10-16
申请号：US15019264
申请日：2016-02-09
Applicant: OLYMPUS CORPORATION
Inventor： Masahiro Katakura
IPC: G02B23/24 , G02B15/177 , G02B9/12 , G02B15/173
Abstract: This endoscope objective optical system is capable of acquiring images of high resolution and wide angle of observation field, maintaining low invasiveness and appropriately correcting various aberrations. This optical system has at least a first cemented lens which has a positive lens and a negative lens, in which the cemented lens satisfies the following conditional expressions: (1) 15.0 rdyA1/ih>−20, wherein νA is an Abbe number of the negative lens, ndA is a refractive index of the negative lens at the d-line, rdyA1 is a curvature radius of a joining surface of the negative lens, and ih is an image height.
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