Patents by Inventor Toshihiko Hashiguchi

Toshihiko Hashiguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190104925
    Abstract: An endoscope or treatment instrument including: an insertion portion configured to be inserted into a subject; an electrodeposition portion configured to electrodeposit a lubricant applied to an outer surface, the outer surface including: a conductive portion provided on the insertion portion and made of a conductive material; and an insulating portion covering an outer surface of the conductive portion, exposed to a surface of the insertion portion, and made of an electrically insulating material; a connection portion connected to the conductive portion of the electrodeposition portion to take an electric charge; and a static electricity generation apparatus connected to the connection portion and configured to electrodeposit the conductive portion of the electrodeposition portion in a state that the insulating portion electrically insulates the conductive portion and an outside of the endoscope or treatment instrument.
    Type: Application
    Filed: December 6, 2018
    Publication date: April 11, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Kenichi NISHINA, Toshihiko HASHIGUCHI
  • Publication number: 20190008369
    Abstract: An endoscope includes: a rigid insertion portion inserted into a subject; an image sensor provided at a distal end of the insertion portion and configured to acquire an image of the subject; a rigid channel provided in the insertion portion, extended to be inclined with respect to a longitudinal axis of the insertion portion, and having a tubular shape into which a long member is inserted; and a signal cable including signal lines extended from the image sensor to transmit a signal acquired by the image sensor, and formed by winding a portion around an outer circumference of the channel at least one turn, wherein an arrangement of the channel and the signal cable at a first end side of the insertion portion is different from an arrangement of the channel and the signal cable at a second end side of the insertion portion.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 10, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Toshihiko HASHIGUCHI, Kenichi NISHINA, Teppei TSURUTA, Yasuhiro IIJIMA, Kei IRIE
  • Patent number: 10154774
    Abstract: An endoscope and a treatment instrument of the present invention include: an insertion portion that can be inserted into a subject; an electrodeposition portion provided on a surface of the insertion portion and configured to electrodeposit a lubricant applied to an outer surface; and a connection portion configured to connect the electrodeposition portion to one of a direct current power source and a static electricity generation apparatus in a state that the insertion portion is inserted into the subject.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: December 18, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Kenichi Nishina, Toshihiko Hashiguchi
  • Patent number: 9993138
    Abstract: A rigid endoscope set according to the invention includes a rigid endoscope body having a first insertion portion inserted into a subject, a first channel provided in the first insertion portion and an ultrasound observation section disposed at a distal end of the first insertion portion to observe the subject, a treatment instrument guide having a second insertion portion configured to be inserted into or removed from the first channel and a second channel provided in the second insertion portion, and an optical telescope having a needle portion configured to be insertable into or removable from the second channel, a third insertion portion configured to be insertable into or removable from the first channel instead of the treatment instrument guide and an optical observation section disposed at a distal end of the third insertion portion to observe the subject.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: June 12, 2018
    Assignee: OLYMPUS CORPORATION
    Inventor: Toshihiko Hashiguchi
  • Patent number: 9775589
    Abstract: A rigid endoscope for prostate biopsy includes: an insertion portion including a distal end portion including an ultrasound transmission and reception portion, and a bent portion bent at a predetermined curvature; a treatment instrument insertion channel that passes through inside the bent portion and includes a first opening portion provided on a distal end side and a second opening portion provided on a proximal end side; a shaft-shaped portion installed to extend in a proximal end direction of the bent portion along a straight line passing through an inflection portion provided between the distal end portion and the bent portion; and a grasping portion that includes the shaft-shaped portion.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: October 3, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Toshihiko Hashiguchi, Tadashi Hatano
  • Publication number: 20170035458
    Abstract: A treatment instrument insertion assisting tool is provided with: a connection portion configured to be connected to a channel of a tool inserted into a subject; an introduction port for a treatment instrument inserted into the channel via the connection portion; a cylindrical guiding portion tapered from the introduction port to the connection portion; and a plurality of recess portions provided on an outer circumferential edge of the introduction port, each of the recess portions having such a shape that gradually increases in width from the connection portion side toward the introduction port side and that is recessed toward the connection portion side.
    Type: Application
    Filed: October 19, 2016
    Publication date: February 9, 2017
    Applicant: OLYMPUS CORPORATION
    Inventor: Toshihiko HASHIGUCHI
  • Publication number: 20170020369
    Abstract: An endoscope and a treatment instrument of the present invention include: an insertion portion that can be inserted into a subject; an electrodeposition portion provided on a surface of the insertion portion and configured to electrodeposit a lubricant applied to an outer surface; and a connection portion configured to connect the electrodeposition portion to one of a direct current power source and a static electricity generation apparatus in a state that the insertion portion is inserted into the subject.
    Type: Application
    Filed: October 6, 2016
    Publication date: January 26, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Kenichi NISHINA, Toshihiko HASHIGUCHI
  • Publication number: 20170007103
    Abstract: A rigid endoscope set according to the invention includes a rigid endoscope body having a first insertion portion inserted into a subject, a first channel provided in the first insertion portion and an ultrasound observation section disposed at a distal end of the first insertion portion to observe the subject, a treatment instrument guide having a second insertion portion configured to be inserted into or removed from the first channel and a second channel provided in the second insertion portion, and an optical telescope having a needle portion configured to be insertable into or removable from the second channel, a third insertion portion configured to be insertable into or removable from the first channel instead of the treatment instrument guide and an optical observation section disposed at a distal end of the third insertion portion to observe the subject.
    Type: Application
    Filed: September 23, 2016
    Publication date: January 12, 2017
    Applicant: OLYMPUS CORPORATION
    Inventor: Toshihiko HASHIGUCHI
  • Publication number: 20160331359
    Abstract: A rigid endoscope for prostate biopsy includes: an insertion portion including a distal end portion including an ultrasound transmission and reception portion, and a bent portion bent at a predetermined curvature; a treatment instrument insertion channel that passes through inside the bent portion and includes a first opening portion provided on a distal end side and a second opening portion provided on a proximal end side; a shaft-shaped portion installed to extend in a proximal end direction of the bent portion along a straight line passing through an inflection portion provided between the distal end portion and the bent portion; and a grasping portion that includes the shaft-shaped portion.
    Type: Application
    Filed: July 28, 2016
    Publication date: November 17, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Toshihiko HASHIGUCHI, Tadashi HATANO
  • Publication number: 20150025315
    Abstract: A treatment instrument insertion auxiliary is used to subserve passage of an elongated treatment instrument into a treatment instrument channel by being connected to an endoscope provided with a rigid insertion portion which includes the treatment instrument channel adapted to allow passage of the treatment instrument and a treatment instrument channel opening portion formed at a proximal end of the treatment instrument channel and used to insert the treatment instrument, where the treatment instrument insertion auxiliary includes a receiving portion adapted to suppress vibration of a distal end side of the treatment instrument by being placed in contact with the distal end side of the treatment instrument; and a first guide unit adapted to guide a distal end of the treatment instrument placed in contact with the receiving portion in a central axis direction of the treatment instrument channel opening portion.
    Type: Application
    Filed: October 6, 2014
    Publication date: January 22, 2015
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Kenichi NISHINA, Toshihiko HASHIGUCHI, Tomonao KAWASHIMA
  • Patent number: 7563269
    Abstract: An ultrasonic treatment device for surgery includes: a treatment portion (ultrasonic probe) for treating living-body tissue by transmitting thereto ultrasonic vibrations generated by means of an ultrasonic transducer; a fixed manipulating section main body wherein this treatment portion is inserted and arranged; a moveable jaw that grips living-body tissue with this treatment portion, being arranged opposite to this treatment portion and being freely rotatably supported at the peripheral surface of this manipulating section main body; and a moveable handle linked with the moveable jaw for opening/closure operation of this moveable jaw with respect to the treatment portion and freely rotatably supported on the peripheral surface of the manipulating section main body; wherein the moveable jaw and the moveable handle are arranged on the same side with respect to the longitudinal central axis of the fixed manipulating section main body.
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: July 21, 2009
    Assignee: Olympus Corporation
    Inventor: Toshihiko Hashiguchi
  • Publication number: 20040193199
    Abstract: An ultrasonic treatment device for surgery includes: a treatment portion (ultrasonic probe) for treating living-body tissue by transmitting thereto ultrasonic vibrations generated by means of an ultrasonic transducer; a fixed manipulating section main body wherein this treatment portion is inserted and arranged; a moveable jaw that grips living-body tissue with this treatment portion, being arranged opposite to this treatment portion and being freely rotatably supported at the peripheral surface of this manipulating section main body; and a moveable handle linked with the moveable jaw for opening/closure operation of this moveable jaw with respect to the treatment portion and freely rotatably supported on the peripheral surface of the manipulating section main body; wherein the moveable jaw and the moveable handle are arranged on the same side with respect to the longitudinal central axis of the fixed manipulating section main body.
    Type: Application
    Filed: January 5, 2004
    Publication date: September 30, 2004
    Applicant: OLYMPUS CORPORATION
    Inventor: Toshihiko Hashiguchi
  • Patent number: 6358267
    Abstract: A treatment tool for operation comprises an insertion section (3) inserted into a living body, an operating section (5) including a fixed handle (6) removably connected to the base end side of the insertion section and a movable handle (77) adapted to operate with respect to the fixed handle, and a treatment section drive unit (2) including a treatment section operable and arranged at the forward end side of the insertion section, a drive unit (23) for driving the treatment section and a drive shaft (24) for connecting the drive unit to the operating section and transmitting the operating force of the operating section to the drive unit for operating the treatment section. An engaging section (121) is arranged at the forward end side of the fixed handle, and an engaging/disengaging member (111) is arranged at the base end of the insertion section and is adapted to engage the engaging section as required.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: March 19, 2002
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Eiji Murakami, Katsumi Sasaki, Toshihiko Hashiguchi, Kenichi Kimura, Akira Shiga
  • Patent number: 6193709
    Abstract: An ultrasonic treatment apparatus according to the present invention comprises an ultrasonic transducer for generating ultrasonic vibration, a vibration transmitting member for transmitting the ultrasonic vibration generated by the ultrasonic transducer, the vibration transmitting member having a proximal end connected to the ultrasonic transducer and a distal end portion used to treat a living organism by means of the transmitted ultrasonic vibration, a grasping member opposed to the distal end portion of the vibration transmitting member and having a grasping surface capable of grasping the living organism in cooperation with the distal end portion, an operating mechanism for moving the grasping member between a closed position in which the grasping member engages the distal end portion of the vibration transmitting member and an open position in which the grasping member is separated from distal end portion, and a follow-up mechanism for driving or allowing the grasping member in the closed position to fol
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: February 27, 2001
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Makoto Miyawaki, Toshihiko Hashiguchi, Mitsumasa Okada, Norikiyo Shibata
  • Patent number: 6063103
    Abstract: An endoscope forceps of the present invention comprises an operating section for inputting an operating force, an insertion section, which is fixedly connected to the operating section, and which can be inserted into a channel of an endoscope, an operating rod, which is inserted in the insertion section so as to be movable forward or backward, one end of which is connected to the operating section, and which is moved forward or backward by the operating force input to the operating section, and a forceps section which is disposed at the fore end of the insertion section, wherein the forceps section comprises a first jaw pivotably mounted at the other end of the operating rod with a first pivotal shaft engaging with both, and a second jaw pivotably mounted at the fore end of the inserting section with a second pivotal shaft engaging with both, and the first jaw and the second jaw are pivotably mounted to each other with a third pivotal shaft engaging with both.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: May 16, 2000
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Toshihiko Hashiguchi
  • Patent number: 6039752
    Abstract: A treating instrument for an operation includes an elastic ring for reducing a load on an operator's fingers which contact first and second rings of first and second handle elements. The elastic ring is provided on a section of at least one of the first and second rings which contacts the operator's fingers.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: March 21, 2000
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kenichi Kimura, Akira Shiga, Toshihiko Hashiguchi, Eiji Murakami, Katsumi Sasaki
  • Patent number: 5849022
    Abstract: A medical instrument for use in combination with an endoscope having an operating shaft and a pair of tongs. The instrument has a drive mechanism provided between the operating shaft and the tongs, for opening and closing the tongs. The drive mechanism can apply an additional force to the tongs even after the tongs have closed completely.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: December 15, 1998
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kiyotoshi Sakashita, Toshihiko Hashiguchi, Toru Shimizu, Katsumi Sasaki, Kenichi Kimura, Eiji Murakami, Koji Iida, Yasuhiko Kikuchi, Toshiya Sugai
  • Patent number: 5720706
    Abstract: A stereoscopic endoscope including an objective lens system for forming an image of an object which objective lens system is arranged at the front end of an inserting section and has a single optical axis; an image transmission device coaxially arranged with the objective lens system and adapted to transmit the image formed by the objective lens system; a pupil dividing device for dividing the image transmitted through the objective lens system and the image transmission device so as to obtain left and right images of the object; an image sensing device for picking up the left and right images obtained by the pupil dividing device; a first support structure containing at least the objective lens system; and a second support structure containing at least the pupil dividing device and the image sensing device, wherein the first and second support structures are rotatable relative to each other around an axis extending along the longitudinal dimension of the endoscope.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: February 24, 1998
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Susumu Takahashi, Masao Uehara, Shingo Kato, Atsushi Kidawara, Katsuyuki Saito, Masahito Goto, Wataru Ohno, Iwao Kanamori, Toyoharu Hanzawa, Kenji Yoshino, Akio Nakada, Akihiro Taguchi, Nobuaki Akui, Hitoshi Karasawa, Toshihiko Hashiguchi, Akihiko Mochida, Takashi Fukaya, Shinji Yamashita, Akira Murata, Hideki Koyanagi, Keisuke Saito
  • Patent number: 5588948
    Abstract: A stereoscopic endoscope including an objective lens system for forming an image of an object which objective lens system is arranged at the front end of an inserting section and has a single optical axis; an image transmission device coaxially arranged with the objective lens system and adapted to transmit the image formed by the objective lens system; a pupil dividing device for dividing the image transmitted through the objective lens system and the image transmission device so as to obtain left and right images of the object; an image sensing device for picking up the left and right images obtained by the pupil dividing device; a first support structure containing-at least the objective lens system; and a second support structure containing at least the pupil dividing device and the image sensing device, wherein the first and second support structures are rotatable relative to each other around an axis extending along the longitudinal dimension of the endoscope.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: December 31, 1996
    Assignee: Olympus Optical Co. Ltd.
    Inventors: Susumu Takahashi, Masao Uehara, Shingo Kato, Atsushi Kidawara, Katsuyuki Saito, Masahito Goto, Wataru Ohno, Iwao Kanamori, Toyoharu Hanzawa, Kenji Yoshino, Akio Nakada, Akihiro Taguchi, Nobuaki Akui, Hitoshi Karasawa, Toshihiko Hashiguchi, Akihiko Mochida, Takashi Fukaya, Shinji Yamashita, Akira Murata, Hideki Koyanagi, Keisuke Saito
  • Patent number: 5577991
    Abstract: A three-dimensional vision endoscopic apparatus according to the present invention comprises a pair of optical systems for transmitting an image of a subject as two subject images having a parallax between them, a pair of imaging devices for picking up subject images transmitted by the optical systems, at least one visual field mask, a display unit for displaying the two subject images alternately or concurrently, an adjusting mechanism for adjusting the position of one or both of the imaging devices so that the display images will become consistent on the screen of the display unit, and an adjusting mechanism for adjusting the relative position of the visual field mask.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: November 26, 1996
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Nobuaki Akui, Satoshi Honma, Iwao Kanamori, Susumu Takahashi, Toyoharu Hanzawa, Takashi Fukaya, Hitoshi Karasawa, Tetsumaru Kubota, Toshihiko Hashiguchi, Akihiko Mochida, Akihiro Taguchi, Akio Nakada, Kenji Yoshino, Atsushi Kidawara