Patents by Inventor Hiroshi Wakai

Hiroshi Wakai 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: 10449009
    Abstract: A medical system includes: a treatment tool including a treatment portion configured to treat a living body, a joint portion configured to move the treatment portion, a first indicator portion provided to correspond to a position of the joint portion, a sheath portion connected to the joint portion, and a driving portion connected to the sheath portion and configured to displace the joint portion; an overtube including a flexible tube portion having a distal end and a proximal end and holding the treatment tool such that the treatment portion is capable of protruding from the distal end, and a second indicator portion provided at the flexible tube portion to identify a predefined space where calibration of the treatment tool is performed; and a calibration mechanism configured to calibrate the treatment tool when the first and second indicator portions have a predetermined positional relationship.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: October 22, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Naoya Hatakeyama, Masatoshi Iida, Hiroshi Wakai
  • Patent number: 10155316
    Abstract: A method of calibrating a manipulator including a joint portion, a drive unit that generates a driving force for driving the joint portion, and a driving force transmission member that is inserted into a tubular member and transmits the driving force generated from the drive unit to the joint portion includes: an arrangement step of arranging the manipulator in a usable state; a load-measuring step of issuing an operation command based on a predetermined calibrating drive pattern to the drive unit and measuring a load generated in the manipulator at that time; and a control parameter-setting step of setting a main-driving control parameter based on the load measured in the load-measuring step.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: December 18, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiroshi Wakai, Masatoshi Iida, Naoya Hatakeyama
  • Patent number: 9878449
    Abstract: Provided is a manipulator system including: a manipulator that has an insertion section composed of a flexible section and a bending section and that has a bending-section drive unit for driving the bending section; an operation input unit; a flexible-section shape detecting unit and a bending-section shape detecting unit that detect curved shapes of the flexible section and the bending section, respectively; compensation-value setting units that set a compensation value on the basis of the curved shape detected by each of the shape detecting units; and a control unit that generates a curvature control signal for driving the bending-section drive unit according to an operating instruction input via the operation input unit and furthermore corrects the curvature control signal using the compensation value and transmits it to the bending-section drive unit.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: January 30, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiroshi Wakai, Naoya Hatakeyama, Masatoshi Iida
  • Publication number: 20170273700
    Abstract: A detector-equipped treatment tool including: a distal-end treatment portion that applies a force to and treats biological tissue; a proximal-end portion that supports the distal-end treatment portion so as to be relatively movable; a detector that is disposed in a cavity provided inside of the distal-end treatment portion and detects the force; wiring that is connected to the detector; and a duct that is connected to the distal-end treatment portion and guides the wiring led out of the distal-end treatment portion from the detector in the cavity to the proximal-end portion.
    Type: Application
    Filed: June 12, 2017
    Publication date: September 28, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Hiroshi WAKAI, Masatoshi IIDA
  • Publication number: 20170251902
    Abstract: A medical manipulator is provided with: a drive unit provided with a motor; a removable portion that is removably attached to the drive unit and that is provided with a rotating body to be connected to a rotating shaft of the motor; an elongated insertion portion coupled to the removable portion; a distal-end movable part disposed at a distal end of the insertion portion; a wire connecting the rotating body and the distal-end movable part and transferring tension generated by power of the motor to the distal-end movable part to actuate the distal-end movable part; a pressing member that is formed of an elastic material and that presses a longitudinal intermediate position of the wire in the wire diameter direction; and a sensor that is attached to the pressing member and that detects an elastic deformation amount caused in the pressing member according to the tension of the wire.
    Type: Application
    Filed: May 22, 2017
    Publication date: September 7, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Shuya JOGASAKI, Masatoshi IIDA, Hiroshi WAKAI
  • Publication number: 20160360947
    Abstract: A medical system includes a treatment tool including a treatment portion, a joint portion, a flexible tube portion, and a drive unit; an endoscope device including an outer sheath that holds the treatment tool and an imaging unit that is capable of acquiring an image including at least the joint portion; and a control unit that controls an operation of the treatment tool. The control unit includes a table that has a parameter for causing the joint portion to move, a controller that issues a command for controlling the drive unit based on the parameter to the drive unit, an image processing unit that calculates at least one of a position and an orientation of the joint portion based on the image, and a compensation value calculating unit that detects displacement of the joint portion, generates a compensation value, and incorporates the compensation value into the parameter.
    Type: Application
    Filed: August 24, 2016
    Publication date: December 15, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Masatoshi IIDA, Naoya HATAKEYAMA, Hiroshi WAKAI
  • Publication number: 20160361819
    Abstract: A method of calibrating a manipulator including a joint portion, a drive unit that generates a driving force for driving the joint portion, and a driving force transmission member that is inserted into a tubular member and transmits the driving force generated from the drive unit to the joint portion includes: an arrangement step of arranging the manipulator in a usable state; a load-measuring step of issuing an operation command based on a predetermined calibrating drive pattern to the drive unit and measuring a load generated in the manipulator at that time; and a control parameter-setting step of setting a main-driving control parameter based on the load measured in the load-measuring step.
    Type: Application
    Filed: August 25, 2016
    Publication date: December 15, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Hiroshi WAKAI, Masatoshi IIDA, Naoya HATAKEYAMA
  • Publication number: 20160346054
    Abstract: A medical system includes: a treatment tool including a treatment portion configured to treat a living body, a joint portion configured to move the treatment portion, a first indicator portion provided to correspond to a position of the joint portion, a sheath portion connected to the joint portion, and a driving portion connected to the sheath portion and configured to displace the joint portion; an overtube including a flexible tube portion having a distal end and a proximal end and holding the treatment tool such that the treatment portion is capable of protruding from the distal end, and a second indicator portion provided at the flexible tube portion to identify a predefined space where calibration of the treatment tool is performed; and a calibration mechanism configured to calibrate the treatment tool when the first and second indicator portions have a predetermined positional relationship.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Naoya HATAKEYAMA, Masatoshi IIDA, Hiroshi WAKAI
  • Publication number: 20160338784
    Abstract: Provided is a manipulator system including: a flexible inserted portion; a manipulator that has a joint portion that is driven at the distal end of the inserted portion; a drive portion that drives the joint portion on the basal-end side of the inserted portion; a shape estimating portion that estimates the shape of the inserted portion; and a control portion that controls the drive portion based on the shape of the estimated inserted portion, wherein the shape estimating portion is provided with detection targets that are arranged, with spaces therebetween, in the inserted portion in the longitudinal direction thereof, a position detection portion that detects three-dimensional positions of the detection targets, and a shape calculating portion that calculates, on the basis of the three-dimensional positions of the detected detection targets, the shape of the inserted portion by dividing the inserted portion into sections in the longitudinal direction thereof.
    Type: Application
    Filed: August 5, 2016
    Publication date: November 24, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Naoya HATAKEYAMA, Masatoshi IIDA, Hiroshi WAKAI
  • Patent number: 9383596
    Abstract: A variable spectrum element includes: first and third sensors which are placed at positions at which the first and third sensors are symmetrical with respect to a line connecting the centers of mass of the surfaces of a pair of optical substrates opposite to each other, respectively; second and fourth sensors which are placed at positions at which the second and fourth sensors are symmetrical with respect to the line connecting the centers of mass, respectively; and first to fourth actuators which are placed on lines running from the center of mass of the surface of each of the pair of the optical substrates opposite to each other to the centers of the first to fourth sensors respectively, respectively.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: July 5, 2016
    Assignee: OLYMPUS CORPORATION
    Inventor: Hiroshi Wakai
  • Publication number: 20160135662
    Abstract: Provided is a manipulator system including: a manipulator that has a treatment tool, an insertion portion having a plurality of channels, and treatment-tool driving parts that move the treatment tool forward/backward and/or rotate the treatment tool in the corresponding channel; an operation input unit to which an operation instruction is input; a channel-in-use detecting part that detects the channel into which the treatment tool has been inserted; a compensation-value setting unit that sets a compensation value on the basis of the channel detected by the channel-in-use detecting part; and a control unit that generates a control signal according to the operation instruction, compensates the generated control signal by using the compensation value, and sends the compensated control signal to the treatment-tool driving part.
    Type: Application
    Filed: January 20, 2016
    Publication date: May 19, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Naoya Hatakeyama, Hiroshi Wakai, Masatoshi Iida
  • Publication number: 20160136810
    Abstract: Provided is a manipulator system including: a manipulator that has an insertion section composed of a flexible section and a bending section and that has a bending-section drive unit for driving the bending section; an operation input unit; a flexible-section shape detecting unit and a bending-section shape detecting unit that detect curved shapes of the flexible section and the bending section, respectively; compensation-value setting units that set a compensation value on the basis of the curved shape detected by each of the shape detecting units; and a control unit that generates a curvature control signal for driving the bending-section drive unit according to an operating instruction input via the operation input unit and furthermore corrects the curvature control signal using the compensation value and transmits it to the bending-section drive unit.
    Type: Application
    Filed: January 21, 2016
    Publication date: May 19, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Hiroshi WAKAI, Naoya HATAKEYAMA, Masatoshi IIDA
  • Publication number: 20150282828
    Abstract: A medical manipulator includes an inserting section which is configured to be inserted in a body, a treatment section that is provided in a distal end portion of the inserting section, an operating section that operates the inserting section, and a control section that includes a retraction mode in which the treatment section is retracted to a proximal end side when the control section receives an instruction to move the inserting section from the operating section.
    Type: Application
    Filed: June 18, 2015
    Publication date: October 8, 2015
    Applicant: OLYMPUS CORPORATION
    Inventors: Kosuke KISHI, Hiroshi WAKAI
  • Patent number: 9036017
    Abstract: A biological observation apparatus is configured as follows. Namely, the biological observation apparatus includes a marker attached to a living body in order to detect the vibration of the living body, a high-sensitivity camera which forms an observation image of the living body, a high-speed camera which forms an image of light from the marker, and an optical system including a first BA which prevents the light from the marker from entering the high-sensitivity camera.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 19, 2015
    Assignee: OLYMPUS CORPORATION
    Inventors: Kayuri Muraki, Hiroshi Wakai
  • Publication number: 20140036344
    Abstract: A variable spectrum element includes: first and third sensors which are placed at positions at which the first and third sensors are symmetrical with respect to a line connecting the centers of mass of the surfaces of a pair of optical substrates opposite to each other, respectively; second and fourth sensors which are placed at positions at which the second and fourth sensors are symmetrical with respect to the line connecting the centers of mass, respectively; and first to fourth actuators which are placed on lines running from the center of mass of the surface of each of the pair of the optical substrates opposite to each other to the centers of the first to fourth sensors respectively, respectively.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: OLYMPUS CORPORATION
    Inventor: Hiroshi WAKAI
  • Patent number: 8482737
    Abstract: A variable spectroscopic element in which a placed position of first sensor and a placed position of the third sensor are symmetrical and a placed position of second sensor and a placed position of fourth sensor are symmetrical with respect to a line connecting the centers of mass of the surfaces of a pair of optical substrates opposite to each other respectively and first to fourth actuators are arranged includes a control unit which calculates a distance between the centers of mass, a first angle that is made between the moved optical substrate and the other optical substrate and a second angle that is made between the other optical substrate and the moved optical substrate, with signals from the first to fourth sensors, and drives the first to fourth actuators on the basis of the distance between the centers of mass, the first angle, and the second angle.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: July 9, 2013
    Assignee: Olympus Corporation
    Inventor: Hiroshi Wakai
  • Patent number: 8422020
    Abstract: The variable spectroscopic element includes a pair of optical substrates 21-22, four sensors 31-34, four piezoelectric elements 41-44, and a control section. The sensors 31, 33 are arranged to form symmetry with respect to the center axis, which links gravity centers of mutually facing surfaces of the optical substrates 21-22, and so are the sensors 32, 34. The control section calculates, from signals of the sensors 31-34, a distance x between the gravity centers of the mutually facing surfaces, and angles ?, ? each of which is formed by a plane perpendicular to the center axis and the facing surface of the movable substrate 22, to drive the piezoelectric elements 41-44 on the basis of the distance x, the angles ?, ?, and to carry out feedback control and feed forward control with respect to at least one of the distance x, the angle ?, and the angle ?.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: April 16, 2013
    Assignee: Olympus Corporation
    Inventor: Hiroshi Wakai
  • Publication number: 20130016359
    Abstract: A variable spectroscopic element in which a placed position of first sensor and a placed position of the third sensor are symmetrical and a placed position of second sensor and a placed position of fourth sensor are symmetrical with respect to a line connecting the centers of mass of the surfaces of a pair of optical substrates opposite to each other respectively and first to fourth actuators are arranged includes a control unit which calculates a distance between the centers of mass, a first angle that is made between the moved optical substrate and the other optical substrate and a second angle that is made between the other optical substrate and the moved optical substrate, with signals from the first to fourth sensors, and drives the first to fourth actuators on the basis of the distance between the centers of mass, the first angle, and the second angle.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 17, 2013
    Applicant: OLYMPUS CORPORATION
    Inventor: Hiroshi Wakai
  • Publication number: 20130010285
    Abstract: The variable spectroscopic element includes a pair of optical substrates 21-22, four sensors 31-34, four piezoelectric elements 41-44, and a control section. The sensors 31, 33 are arranged to form symmetry with respect to the center axis, which links gravity centers of mutually facing surfaces of the optical substrates 21-22, and so are the sensors 32, 34. The control section calculates, from signals of the sensors 3134, a distance x between the gravity centers of the mutually facing surfaces, and angles ?, ? each of which is formed by a plane perpendicular to the center axis and the facing surface of the movable substrate 22, to drive the piezoelectric elements 41-44 on the basis of the distance x, the angles ?, ?, and to carry out feedback control and feed forward control with respect to at least one of the distance x, the angle ?, and the angle ?.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: OLYMPUS CORPORATION
    Inventor: Hiroshi Wakai
  • Publication number: 20110009744
    Abstract: A biological observation apparatus is configured as follows. Namely, the biological observation apparatus includes a marker attached to a living body in order to detect the vibration of the living body, a high-sensitivity camera which forms an observation image of the living body, a high-speed camera which forms an image of light from the marker, and an optical system including a first BA which prevents the light from the marker from entering the high-sensitivity camera.
    Type: Application
    Filed: September 17, 2010
    Publication date: January 13, 2011
    Applicant: OLYMPUS CORPORATION
    Inventors: Kayuri MURAKI, Hiroshi WAKAI