公开(公告)号：US20180008132A1

公开(公告)日：2018-01-11

申请号：US15710134

申请日：2017-09-20

Applicant: OLYMPUS CORPORATION

Inventor： Youhei SAKAI ,  Yusuke NAKAGAWA

IPC: A61B1/05 ,  G02B6/12 ,  A61B1/06 ,  G02B6/42 ,  A61B1/045

CPC classification number: G02B6/4214 ,  A61B1/00013 ,  A61B1/00165 ,  A61B1/045 ,  A61B1/05 ,  A61B1/051 ,  A61B1/06 ,  G02B6/12 ,  G02B6/122 ,  G02B6/138 ,  G02B6/42 ,  H04N7/22 ,  H04N2005/2255

Abstract: An optical transmission module includes a light emitting device for transmitting a first optical signal, a light receiving device for receiving a second optical signal, an optical fiber for guiding a third optical signal in which the first optical signal and the second optical signal are coupled, and an optical waveguide substrate having an optical waveguide made of first resin, wherein a groove formed on the optical waveguide substrate is provided with a prism having the optical fiber and a reflective face through which the first optical signal transmit, a first side face of the prism contacts a first wall face of the groove, and a second side face thereof contacts a second wall face of the groove.

公开(公告)号：US20160262599A1

公开(公告)日：2016-09-15

申请号：US15163784

申请日：2016-05-25

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

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

CPC classification number: A61B1/00165 ,  A61B1/00013 ,  A61B1/00075 ,  A61B1/00096 ,  A61B1/005 ,  A61B1/0057 ,  A61B1/05

Abstract: An endoscope includes an insertion portion in which a rigid distal end portion, a bending portion, and a flexible portion are provided in a connected row arrangement, and an optical fiber that is inserted through the insertion portion. The endoscope has, in the rigid distal end portion, an optical transmission module in which an image pickup device, an optical device in which a light-emitting portion is formed, and a holding member that has a through hole. A length in the bending portion of the optical fiber whose distal end portion is inserted into and fixed in the through hole of the holding member is longer than a length L0 of the bending portion.

Abstract translation: 内窥镜包括：插入部，其中刚性前端部分，弯曲部分和柔性部分设置在连接的行布置中;以及光纤，其插入穿过插入部分。 所述内窥镜在所述刚性前端部具有光传输模块，在所述光传输模块中，形成有发光部的摄像装置，光学装置以及具有通孔的保持构件。 其前端部插入并固定在保持构件的通孔中的光纤的弯曲部的长度比弯曲部的长度L0长。

公开(公告)号：US20210219830A1

公开(公告)日：2021-07-22

申请号：US17223492

申请日：2021-04-06

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: A61B1/05 ,  A61B1/00 ,  A61B1/06 ,  A61B1/018

Abstract: An image pickup apparatus for endoscope includes an image sensor, a ferrule which is a rectangular parallelepiped having a front surface, a rear surface, and four side surfaces and includes insertion holes and trenches parallel to the insertion holes on respective two side surfaces orthogonal to each other among the four side surfaces, an optical element in which a light emitting region is disposed in a position opposed to the insertion holes, and optical fibers inserted into the insertion holes.

公开(公告)号：US20190167084A1

公开(公告)日：2019-06-06

申请号：US16251597

申请日：2019-01-18

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: A61B1/05 ,  A61B1/00 ,  G02B6/42 ,  G02B23/26

Abstract: An optical module for endoscope includes an optical fiber, an optical element, a first substrate including, on a first principal plane, an insertion hole into which the optical fiber is inserted, the optical element being mounted on a second principal plane of the first substrate, a second substrate, on a third principal plane of which a recessed section in which the optical element is housed is present, and a solder ring that bonds a seal ring of the second principal plane of the first substrate and a guard ring of the third principal plane of the second substrate. The first substrate and the second substrate have the same external dimension in an optical axis orthogonal direction, and side surfaces of the first substrate and the second substrate are present in the same plane.

公开(公告)号：US20180353060A1

公开(公告)日：2018-12-13

申请号：US16004516

申请日：2018-06-11

Applicant: OLYMPUS CORPORATION

Inventor： Hideharu MIYAHARA ,  Youhei SAKAI ,  Yusuke NAKAGAWA

IPC: A61B1/05 ,  A61B1/07 ,  A61B1/00

CPC classification number: A61B1/051 ,  A61B1/00117 ,  A61B1/00126 ,  A61B1/00165 ,  A61B1/04 ,  A61B1/07 ,  H01L27/14 ,  H04N5/369

Abstract: An image pickup module includes: an optical waveguide plate that includes a first waveguide, a second waveguide, and a third waveguide optically coupled to the first waveguide and the second waveguide through a branch portion; an image pickup device; a first optical device and a second optical device both mounted on the optical waveguide plate; an optical fiber; a ferrule into which the optical fiber is inserted; and a plurality of conductive wires. The ferrule includes a notch on a front surface, and distal end portions of the conductive wires are held between the optical waveguide plate and a surface of the notch of the ferrule. The other components are disposed within a plane of projection of the image pickup device.

公开(公告)号：US20210116696A1

公开(公告)日：2021-04-22

申请号：US17076185

申请日：2020-10-21

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA ,  Youhei SAKAI

IPC: G02B23/24

Abstract: An optical module for endoscope includes an optical element, an optical fiber, a ferrule including a first principal surface, a second principal surface, and a side surface, an opening of an insertion hole being present on the first principal surface, the insertion hole having a bottom surface made of a transparent material, the optical fiber being inserted into the insertion hole, the optical element being bonded to the second principal surface, an opening of a groove connected to the insertion hole being present on the first principal surface, the grove having a bottom surface made of the transparent material, and transparent resin disposed in the insertion hole and the groove of the ferrule.

公开(公告)号：US20200012085A1

公开(公告)日：2020-01-09

申请号：US16515240

申请日：2019-07-18

Applicant: OLYMPUS CORPORATION

Inventor： Hideharu MIYAHARA ,  Yusuke NAKAGAWA ,  Kosuke KAWAHARA

IPC: G02B23/24 ,  H04N5/225 ,  H04N7/18 ,  A61B1/00 ,  A61B1/005

Abstract: An endoscope including an image pickup module in a distal end section, wherein the image pickup module including an image pickup unit including an image pickup device, a light emitting element configured to emit an optical signal from a light emission surface, and a ferrule disposed in the image pickup unit, in which the light emission surface is inclined at a first angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, a fiber distal end portion is inclined at a second angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, and the optical fiber extends toward the distal end section central axis, and is arranged along a bending section central axis in a bending section.

公开(公告)号：US20200000328A1

公开(公告)日：2020-01-02

申请号：US16568399

申请日：2019-09-12

Applicant: OLYMPUS CORPORATION

Inventor： Youhei SAKAI ,  Keiichi KOBAYASHI ,  Yusuke NAKAGAWA

IPC: A61B1/05 ,  A61B1/00

Abstract: An endoscope includes an opto-electric composite module, an optical fiber, and a plurality of electric cables each including a core wire and a shielding wire. The opto-electric composite module includes a light emitting device, a wiring board including a plurality of bonding electrodes to which the plurality of core wires are bonded, a ferrule causing the optical fiber inserted into a first through hole to be optically coupled to the light emitting device, and a cable holder having grooves to which the plurality of core wires are fixed with the plurality of core wires so disposed as to be bonded to the plurality of respective bonding electrodes. The cable holder is a holder conductor electrically connected to a ground potential electrode of the image pickup device, and the shielding wires in the electric cables are bonded to the holder conductor of the cable holder via an electrically conductive member.

公开(公告)号：US20190000307A1

公开(公告)日：2019-01-03

申请号：US16127794

申请日：2018-09-11

Applicant: OLYMPUS CORPORATION

Inventor： Kosuke KAWAHARA ,  Yusuke NAKAGAWA

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

Abstract: An optical transmitter includes an optical device, a wiring board in which the optical device and an electronic component are mounted on a first primary surface, an optical waveguide plate in which an upper surface is bonded to the wiring board and an optical waveguide is photo-coupled with the optical device by a reflection portion, an optical fiber photo-coupled with the optical waveguide, and a conductor, a first groove and a second groove each having an opening in one of side surfaces are provided on the upper surface of the optical waveguide plate, the optical fiber is inserted into the first groove, and the conductor is inserted into the second groove and is bonded to an electrode on a second primary surface of the wiring board immediately above the second groove.

公开(公告)号：US20170315310A1

公开(公告)日：2017-11-02

申请号：US15650074

申请日：2017-07-14

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: G02B6/42 ,  A61B1/00 ,  G02B23/24 ,  A61B1/07

CPC classification number: G02B6/428 ,  A61B1/00013 ,  A61B1/00096 ,  A61B1/0011 ,  A61B1/00126 ,  A61B1/07 ,  G02B6/42 ,  G02B6/4214 ,  G02B6/423 ,  G02B23/2469

Abstract: An optical transmission module includes an optical element, an optical fiber, a holding section to which the optical fiber is bonded and fixed, and a wiring board including a first principal plane on which the optical element is mounted and a second principal plane on which the holding section is bonded and a connection pad connected to the optical element is disposed, and through which light passes. An adhesive tape is inserted between the holding section and the wiring board. The reinforcing resin does not protrude to an outside of the detachment sheet on the second principal plane of the wiring board.