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    ELECTRONIC ENDOSCOPE SYSTEM
    1.
    发明公开
    ELECTRONIC ENDOSCOPE SYSTEM 审中-公开
    电子内窥镜系统

    公开(公告)号：EP2805669A4

    公开(公告)日：2015-11-18

    申请号：EP13793702

    申请日：2013-04-26

    申请人： OLYMPUS CORP

    发明人： FUJITANI KIWAMU

    IPC分类号： A61B1/04 ,  A61B1/00 ,  A61B1/005 ,  G02B23/24 ,  G02B23/26

    CPC分类号： A61B1/00096 ,  A61B1/00006 ,  A61B1/0005 ,  A61B1/00071 ,  A61B1/0052 ,  A61B1/0055 ,  G02B23/2476 ,  G02B23/26

    摘要： An electronic endoscope system (1) which includes an endoscope (2) having an insertion portion (5) rotatable with respect to an operation portion (6) and electronically picks up an image of a subject, the electronic endoscope system includes: a physical quantity generation portion (13) provided at the insertion portion (5) and configured to generate a physical quantity which changes depending on a rotation angle of the insertion portion (5) with respect to the operation portion (6); a detection portion (14) provided at the operation portion (6) and configured to detect the physical quantity generated by the physical quantity generation portion (13); a rotation angle calculation portion (15) configured to calculate the rotation angle of the insertion portion (5) based on the physical quantity detected by the detection portion (14); and a display portion (4) configured to display an image of the subject, and perform a display indicating the rotation angle of the insertion portion (5) with respect to the operation portion (6) based on the calculated rotation angle.

    BENDING OPERATION DEVICE AND ENDOSCOPE
    2.
    发明公开
    BENDING OPERATION DEVICE AND ENDOSCOPE 审中-公开

    公开(公告)号：EP3192426A4

    公开(公告)日：2018-07-04

    申请号：EP15885549

    申请日：2015-10-09

    申请人： OLYMPUS CORP

    发明人： HATANO KEISUKE ,  FUJITANI KIWAMU

    IPC分类号： A61B1/00 ,  A61B1/04 ,  G02B23/24

    CPC分类号： A61B1/0052 ,  A61B1/0057 ,  A61B1/04 ,  G02B23/24

    摘要： A bending operation device 70, includes: a bending lever 45 that is inclinably supported with respect to an operation section 3 of an endoscope 1; an arm part 54b that is provided in the bending lever 45 and includes a distal end displaceable in conjunction with inclination operation of the bending lever 45; and an intermediate lever 62 that is swingably supported with respect to the operation section 3, includes a force point 62a at a middle of the intermediate lever 62, and includes a point of application 62b at a position farther from a fulcrum (a shaft portion 63) than the force point 62a, the force point 62c being connected to the distal end of the arm part 54b through an intermediate wire 65, and the point of application 62b being connected to a bending wire 23.

    ENDOSCOPE
    4.
    发明公开
    ENDOSCOPE 审中-公开

    公开(公告)号：EP3199088A4

    公开(公告)日：2018-07-18

    申请号：EP16811293

    申请日：2016-04-05

    申请人： OLYMPUS CORP

    发明人： FUJITANI KIWAMU ,  HATANO KEISUKE

    IPC分类号： A61B1/00 ,  A61B1/005 ,  A61B1/018 ,  A61B1/04

    CPC分类号： A61B1/018 ,  A61B1/00039 ,  A61B1/0052 ,  A61B1/0055 ,  A61B1/0057 ,  G02B23/2476

    摘要： An object of the present invention is to provide an endoscope that can reliably protect incorporated components in a bending portion of an insertion portion of the endoscope without impairing ease of assembly, and in order to achieve the object, an endoscope according to the present invention includes: a bending tube 24 including ring-like members 25c pivotally joined via a pair of pivots 25a facing each other or a pair of pivots 25b facing each other, the pair of pivots 25a and the pair of pivots 25b being disposed in an up/down direction or a left/right direction relative to a center axis Ax, the bending tube 24 being bendable in an arbitrary direction; a pair of first pull wire guides 27 provided between adjacent pivots so as to project inward of a ring-like member; a forceps channel 13 disposed so as to be contactable with the pair of first pull wire guides; and a pair of second pull wire guides 26 positioned at respective positions, in the ring-like member, at which the pair of second pull wire guides 26 substantially faces the pair of first pull wire guides, the pair of second pull wire guides 26 being provided so as to project inward of the ring-like member and being disposed so that a distance D1 between distal end portions extending toward an inner circumferential side of the ring-like member is a distance that is smaller than an outer diameter D2 of the forceps channel.

    ENDOSCOPE
    5.
    发明公开
    ENDOSCOPE 审中-公开

    公开(公告)号：EP3207853A4

    公开(公告)日：2018-06-13

    申请号：EP16807183

    申请日：2016-03-25

    申请人： OLYMPUS CORP

    发明人： FUJITANI KIWAMU ,  HATANO KEISUKE ,  ITO TAKAYASU ,  MATSUDA EIJI

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

    CPC分类号： A61B1/0055 ,  A61B1/00167 ,  A61B1/008

    摘要： A dividing wall member 26 is provided inside a specific bending piece 25' selected from a plurality of bending pieces 25, an internal space of the bending piece 25' is divided by the dividing wall member 26 into a first space 27 that opens corresponding to one rotating shaft 25b, of rotating shafts 25b that form a left and right pair, and a second space 28 that is larger than the first space and opens corresponding to another rotating shaft 25b, of the rotating shafts 25b that form a left and right pair, and rotating shafts 25a that form an upper and lower pair, a signal cable 11a is inserted as a first internal component inside a first space 27, and a pair of light guides 12 and a treatment instrument insertion channel 13 are inserted as second internal components inside the second space 28.

    ENDOSCOPE
    6.
    发明公开
    ENDOSCOPE 审中-公开

    公开(公告)号：EP3175768A4

    公开(公告)日：2018-04-11

    申请号：EP15848542

    申请日：2015-09-28

    申请人： OLYMPUS CORP

    发明人： FUJITANI KIWAMU

    IPC分类号： A61B1/00 ,  G02B23/24

    CPC分类号： A61B1/0055 ,  A61B1/00078 ,  A61B1/0057 ,  A61B1/0058 ,  A61B1/008 ,  G02B23/24

    摘要： An endoscope 10 includes a bending portion 16 provided on a distal end side of an insertion portion 11, bending wires 21 and 22 fixed on a distal end side of the bending portion 16, wire insertion portions 23 and 44 into which the bending wires 21 and 22 are inserted in the bending portion 16, and a channel tube 18 inserted and disposed in the insertion portion 11 and including an axial-directional through-hole 18h into which a treatment instrument 60 is inserted. The bending portion 16 includes a bending portion set 20 including a first bending piece set 30 including a plurality of bending pieces 31 and 32 rotatably coupled with each other; a tubular bending tube 40 including a distal end portion rotatably coupled with a proximal end portion of the first bending piece set 30 and capable of bending through a plurality of arrayed slits 41 and 42; and a second bending piece set 50 including a plurality of bending pieces 52 and 53 rotatably coupled with a proximal end portion of the tubular bending tube 40.

    ENDOSCOPE OPERATION UNIT AND ENDOSCOPE
    7.
    发明公开
    ENDOSCOPE OPERATION UNIT AND ENDOSCOPE 审中-公开

    公开(公告)号：EP3146886A4

    公开(公告)日：2018-02-21

    申请号：EP15884660

    申请日：2015-09-28

    申请人： OLYMPUS CORP

    发明人： FUJITANI KIWAMU ,  HATANO KEISUKE ,  ITO TAKAYASU

    IPC分类号： A61B1/00 ,  A61B1/005 ,  G02B23/24

    CPC分类号： A61B1/00039 ,  A61B1/005 ,  A61B1/0052 ,  A61B1/015 ,  G02B23/24 ,  G02B23/2476

    摘要： An endoscope operation portion 3 includes: an operation portion body 14 provided being connected to a grasping portion 13; a joystick-type bending operation lever 21 provided on a back side of the operation portion body 14, including a lever shaft body 27, and configured to perform a bending operation of a bending portion 7; and a suction button 24 provided on a front side of the operation portion body 14 so that an angle formed by an operation axis B in a pressing-down operation direction relative to a central axis A of the lever shaft body 27 is an obtuse angle, and an intersection point P between the central axis A and the operation axis B is positioned inside the operation portion body 14.