Patents by Inventor Shinya Masuda

Shinya Masuda 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).

  • Patent number: 7909824
    Abstract: An energy accessory includes an ultrasonic vibrator configured to generate ultrasonic vibration, an elongated probe whose proximal end is connected to the ultrasonic vibrator and configured to transmit the ultrasonic vibration generated by the ultrasonic vibrator from a proximal end side to a distal end side to apply the ultrasonic vibration to living tissue, a sheath provided on the proximal end side of the probe, a grasping portion provided on a distal end portion of the sheath and configured to be rotated with respect to the probe and brought into contact with the living tissue disposed on the side of the probe, whereby the living tissue is grasped in cooperation with the probe, and a treatment mode variable mechanism configured to change a treatment mode of a treatment with respect to the living tissue brought into contact with the grasping portion.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: March 22, 2011
    Assignee: Olympus Corporation
    Inventors: Shinya Masuda, Koh Shimizu, Kenichi Kimura
  • Patent number: 7905881
    Abstract: A surgical instrument has a first grasping member, a second grasping member which is provided to the first grasping member to open and close to the first grasping member, and grasps a living tissue between them, an ultrasonic coagulation-cutting unit which includes an ultrasonic vibrating portion provided in one of the first and second grasping members and connected to an ultrasonic transducer to generate ultrasonic vibration, and a pressing portion provided in the other of the first and second grasping members, and facing the ultrasonic vibrating portion, the pressing portion and the ultrasonic vibrating portion pressing the living tissue between them, and a high-frequency coagulation unit which includes a first electrode provided in the first grasping member, and a second electrode provided in the second grasping member, the first electrode and the second electrodes facing each other to coagulate the living tissue.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: March 15, 2011
    Assignee: Olympus Medical Systems Corp.
    Inventors: Shinya Masuda, Taro Miyazawa, Kazunori Taniguchi, Hiroshi Okabe
  • Publication number: 20100331742
    Abstract: A surgical operating apparatus includes a probe for outputting energy for performing therapeutic treatment of a living body, a jaw which is openable/closable relative to the probe, and an output mode switching section which selectively switches, in accordance with an open/closed state of the jaw, an output of the surgical operating apparatus between a bipolar mode in which the probe and the jaw are used as high-frequency electrodes, and a probe-only output mode in which the energy is output from only the probe.
    Type: Application
    Filed: June 26, 2009
    Publication date: December 30, 2010
    Inventor: Shinya MASUDA
  • Patent number: 7799045
    Abstract: An ultrasonic treatment device comprises a transducer unit, probe unit, and a main unit. The transducer unit comprises an ultrasonic transducer generating ultrasonic vibration in response to supply of power. The probe unit has a treatment member at a distal end thereof. The probe unit is detachably loaded to the transducer unit, and is equipped with an ultrasonic probe transmitting the ultrasonic vibration to the distal end of the treatment member when the transducer unit is loaded to the probe unit. The main unit is manually grasped by an operator. The probe unit with the transducer unit loaded thereto is detachably loaded to the main unit. The main unit has a cylindrical insert through which the ultrasonic probe is inserted to have the treatment member protruded outwardly when the probe unit is loaded. The main unit further has an outer sheath detachably covering an outer surface of the insert.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: September 21, 2010
    Assignee: Olympus Corporation
    Inventor: Shinya Masuda
  • Patent number: 7766929
    Abstract: A surgical tool includes a sheath, a probe body, a distal end portion and a proximal end portion. A probe distal end portion is provided at the distal end portion of the probe body, a jaw is rotatably supported on the distal end portion of the sheath and is engaged with the probe distal end portion. A first tubular member a fits on the proximal end portion of the sheath and extends rearward. It has an elongated slit and extends in an axial direction of the sheath. A second tubular member fits in a rear end portion of the first tubular member. A tubular driving member is slidably inserted in the sheath and rotates the jaw. A coupling member including a projection body passes through the second tubular member, includes an engaging portion which is engaged in the slit of the first tubular member.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: August 3, 2010
    Assignee: Olympus Medical Systems Corp.
    Inventor: Shinya Masuda
  • Publication number: 20090270854
    Abstract: A surgical operating apparatus includes a sheath provided with a distal end part and a proximal end part, an apparatus main body to be coupled to the proximal end part of the sheath, a probe which is inserted into the sheath, and transmits ultrasonic waves, a probe distal end section provided at a distal end part of the probe, and a jaw pivotally supported at the distal end part of the sheath, the jaw being supported so that the jaw can be operated to be opened or closed between a closed position at which the jaw is engaged with the probe distal end section, and an opened position at which the jaw is separated from the probe distal end section, wherein the apparatus main body includes a handle for operating the opening/closing operation of the jaw, a slider section which is moved to be advanced/retreated in an axial direction of a central axis line of the probe in accordance with the operation of the handle, a pin which is provided to the handle, is engaged with the slider section, and transmits the operation
    Type: Application
    Filed: April 28, 2008
    Publication date: October 29, 2009
    Inventors: Chie YACHI, Shinya MASUDA
  • Publication number: 20090270853
    Abstract: A surgical operating apparatus includes a sheath provided with a distal end part and a proximal end part, an apparatus main body to be coupled to the proximal end part of the sheath, a probe which is provided with a distal end part and a proximal end part, is inserted into the sheath, and transmits ultrasonic vibration from the proximal end part side to the distal end part side, a jaw which is turnably supported at the distal end part of the sheath, and is operated to be opened or closed between a closed position at which the jaw is engaged with the distal end part of the probe, and an opened position at which the jaw is separated from the distal end part of the probe, a handle which is provided in the apparatus main body, and operates the opening/closing operation of the jaw, a slider section which is provided in the apparatus main body, and is advanced/retreated to be moved in a central axis direction of the probe between a first movement position corresponding to the opened position of the jaw and a second
    Type: Application
    Filed: April 28, 2008
    Publication date: October 29, 2009
    Inventors: Chie YACHI, Shinya MASUDA
  • Publication number: 20090248051
    Abstract: A surgical operating apparatus includes an ultrasonic treatment section which performs ultrasonic treatment on a living tissue, and a high-frequency treatment section which performs high-frequency treatment on the living tissue, and includes a narrow width part which is provided on at least one of mutually opposed surfaces of a first electrode portion of a first grasping member and a second electrode portion of a second grasping member. The narrow width part is configured to be disposed at a position where the second grasping member does not easily suffer a stress due to ultrasonic vibration when the living tissue is grasped between the second grasping member and the first grasping member, and to make a distance between the mutually opposed surfaces of the first electrode portion and the second electrode portion narrower than a distance at other positions.
    Type: Application
    Filed: March 28, 2008
    Publication date: October 1, 2009
    Inventor: Shinya Masuda
  • Publication number: 20090216228
    Abstract: A surgical operating apparatus includes a sheath having a distal end portion and a proximal end portion, a shaft-shaped probe body which is inserted in the sheath and has a distal end portion and a proximal end portion, and in which ultrasonic is transmitted, a probe distal end portion which is provided at the distal end portion of the probe body and constitutes a first electrode section which is one of bipolar electrodes, and a jaw which is rotatably supported on the distal end portion of the sheath, has an engaging surface which is engaged with the probe distal end portion, and has a second electrode section which is the other of the bipolar electrodes, wherein the jaw includes, at a distal end portion of the engaging surface for engagement with the probe distal end portion, a distal end chip which tolerates a positional displacement relative to the probe distal end portion when the jaw is engaged with the probe distal end portion.
    Type: Application
    Filed: December 28, 2007
    Publication date: August 27, 2009
    Inventor: Shinya Masuda
  • Publication number: 20090088668
    Abstract: A surgical operating apparatus includes a sheath having a distal end and a proximal end, a rod-shaped probe main body which is inserted into the sheath and has a distal end and a proximal end, and which is transmitted with ultrasonic vibration, a jaw pivoted to the distal end of the sheath, a probe distal end which is provided at the distal end of the probe main body and meshes with the jaw, and a driving member which is provided with a tubular main body portion which is inserted into the sheath slidably along an axial direction of the sheath and an acting portion which is provided at a distal end of the main body portion and has a connection portion connected to the jaw, for rotating the jaw according to a sliding action of the main body portion, wherein the sheath includes a notched portion for preventing the sheath from contacting the driving member when the connection portion of the driving member with the jaw moves in a direction perpendicular to a sliding direction of the driving member at a rotation ti
    Type: Application
    Filed: March 28, 2008
    Publication date: April 2, 2009
    Inventor: Shinya Masuda
  • Publication number: 20090088743
    Abstract: A surgical operating apparatus includes a sheath having a distal end portion and a proximal end portion, a shaft-shaped probe body which is inserted in the sheath and has a distal end portion and a proximal end portion, and in which ultrasonic is transmitted, a probe distal end portion which is provided at the distal end portion of the probe body and constitutes a first electrode section which is one of bipolar electrodes, and a jaw which is rotatably supported on the distal end portion of the sheath, has an engaging surface which is engaged with the probe distal end portion, and has a second electrode section which is the other of the bipolar electrodes, wherein the jaw includes, at a distal end portion of the engaging surface for engagement with the probe distal end portion, a distal end chip which tolerates a positional displacement relative to the probe distal end portion when the jaw is engaged with the probe distal end portion.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 2, 2009
    Inventor: Shinya MASUDA
  • Publication number: 20090088742
    Abstract: A surgical operating apparatus includes a sheath having a distal end portion and a proximal end portion, a shaft-shaped probe body which is inserted in the sheath and has a distal end portion and a proximal end portion, and in which ultrasonic vibration is transmitted, a jaw which is rotatably supported on the distal end portion of the sheath and has a first electrode section which is one of bipolar electrodes, a probe distal end portion which is provided at the distal end portion of the probe body, is engaged with the jaw, and constitutes a second electrode section which is the other of the bipolar electrodes, and a driving member including a tubular body section, which is inserted in the sheath slidably in an axial direction of the sheath, and an operating section which is provided on a distal end side of the body section and has a connection section for connection to the jaw, the driving member rotating the jaw by a sliding operation of the body section, wherein the operating section includes a taper porti
    Type: Application
    Filed: September 27, 2007
    Publication date: April 2, 2009
    Inventor: Shinya MASUDA
  • Publication number: 20090088785
    Abstract: A surgical operating apparatus includes a sheath having a distal end portion and a proximal end portion; a shaft-shaped probe body which is inserted in the sheath and has a distal end portion and a proximal end portion, and in which ultrasonic vibration is transmitted; a jaw which is rotatably supported on the distal end portion of the sheath and has a first electrode section which is one of bipolar electrodes; a probe distal end portion which is provided at the distal end portion of the probe body, is engaged with the jaw, and constitutes a second electrode section which is the other of the bipolar electrodes; and a driving member including a tubular body section, which is inserted in the sheath slidably in an axial direction of the sheath, and an operation section which is provided on a distal end side of the body section and has a connection section for connection to the jaw, the driving member rotating the jaw by a sliding operation of the body section, wherein a tube body of the body section has, on an i
    Type: Application
    Filed: September 28, 2007
    Publication date: April 2, 2009
    Inventor: Shinya MASUDA
  • Publication number: 20090088667
    Abstract: A surgical tool includes a sheath, a probe body, a distal end portion and a proximal end portion. A probe distal end portion is provided at the distal end portion of the probe body, a jaw is rotatably supported on the distal end portion of the sheath and is engaged with the probe distal end portion. A first tubular member a fits on the proximal end portion of the sheath and extends rearward. It has an elongated slit and extends in an axial direction of the sheath. A second tubular member fits in a rear end portion of the first tubular member. A tubular driving member is slidably inserted in the sheath and rotates the jaw. A coupling member including a projection body passes through the second tubular member, includes an engaging portion which is engaged in the slit of the first tubular member.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 2, 2009
    Inventor: Shinya MASUDA
  • Publication number: 20090054886
    Abstract: A surgical operating apparatus which includes a sheath with a distal end and a proximal end, an apparatus main body to be coupled to the proximal end of the sheath, a probe which is inserted through the sheath and which transmits ultrasonic waves, a probe distal end provided at the distal end of the probe, a jaw which is pivotally supported at the distal end of the sheath and which is geared with the distal end of the probe, a fixed handle provided in the apparatus main body, and a movable handle which is swingable with respect to the fixed handle and which operates the jaw in a direction to be in and out of contact with the distal end of the probe by a swing operation, the surgical operating apparatus includes a switch portion which is provided in the fixed handle and which controls a treatment of a living tissue, a switch holding portion which is provided in the fixed handle and which holds the switch, and a pressing member which fixes the switch portion in a state pressed against the switch holding portion
    Type: Application
    Filed: April 9, 2008
    Publication date: February 26, 2009
    Inventors: Chie Yachi, Shinya Masuda
  • Patent number: 7475697
    Abstract: There is a disclosed a cleaning for a medical instrument, including a nozzle main body detachably to a surgical ultrasonic treatment instrument including a channel, and the nozzle main body includes a water supply port opened in a position connected to the channel, when mounted in the surgical ultrasonic treatment instrument.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: January 13, 2009
    Assignee: Olympus Corporation
    Inventors: Katsumi Sasaki, Shinya Masuda, Eiji Murakami, Ryoji Masubuchi
  • Publication number: 20080171938
    Abstract: An apparatus comprises a high-frequency electric path. High-frequency electric path having an electric connection portion which performs the operation of connecting a sheath portion side electric path and a handle portion side electric path along with the operation of connecting the sheath portion and the handle portion. Electric connection portion having an outer peripheral flange portion and an engaging portion which removably engages with the outer peripheral flange portion.
    Type: Application
    Filed: January 15, 2007
    Publication date: July 17, 2008
    Inventors: Shinya Masuda, Chie Yachi, Kazunori Taniguchi
  • Publication number: 20080172051
    Abstract: An apparatus comprises an ultrasonic transducer, a probe portion, the proximal end being coupled to the ultrasonic transducer, ultrasonic waves output from the ultrasonic transducer being transmitted to the probe portion, a storage portion which stores the ultrasonic transducer, a cylindrical casing portion which has a distal end and a proximal end and which is installed outside the storage portion, an electric path provided to extend between an electric contact disposed at the distal end of the casing portion and an electric cable connecting portion provided at the proximal end of the casing portion, and an electric cable which has a distal end and a proximal end, the proximal end being connected to a power supply unit, the distal end being coupled to the electric cable connecting portion, the electric path being disposed between the storage portion and the casing.
    Type: Application
    Filed: January 15, 2007
    Publication date: July 17, 2008
    Inventors: Shinya Masuda, Chie Yachi, Kazunori Taniguchi
  • Publication number: 20080132887
    Abstract: A surgical instrument has a first grasping member, a second grasping member which is provided to the first grasping member to open and close to the first grasping member, and grasps a living tissue between them, an ultrasonic coagulation-cutting unit which includes an ultrasonic vibrating portion provided in one of the first and second grasping members and connected to an ultrasonic transducer to generate ultrasonic vibration, and a pressing portion provided in the other of the first and second grasping members, and facing the ultrasonic vibrating portion, the pressing portion and the ultrasonic vibrating portion pressing the living tissue between them, and a high-frequency coagulation unit which includes a first electrode provided in the first grasping member, and a second electrode provided in the second grasping member, the first electrode and the second electrodes facing each other to coagulate the living tissue.
    Type: Application
    Filed: July 24, 2006
    Publication date: June 5, 2008
    Inventors: Shinya Masuda, Taro Miyazawa, Kazunori Taniguchi, Hiroshi Okabe
  • Publication number: 20080058845
    Abstract: An ultrasonic surgical operation instrument characterized by comprising a treating section for treating living tissues using ultrasonic vibrations, a heat sensor disposed in the treating section for detecting the temperature of the treating section, and a control unit for controlling the temperature of the treating section on the basis of temperature information detected by the heat sensor.
    Type: Application
    Filed: June 10, 2005
    Publication date: March 6, 2008
    Inventors: Koh Shimizu, Shinya Masuda, Kenichi Kimura