Patents by Inventor Kenichiro Nagasaka

Kenichiro Nagasaka 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: 10653492
    Abstract: A medical instrument according to the present disclosure includes: a contact portion configured to contact body tissue; a drive unit configured to generate drive force for causing the contact portion to contact the body tissue; and a limiter mechanism configured to impose restriction on transmission of the drive force to the contact portion, in accordance with contact force of the contact portion with respect to the body tissue. This configuration makes it possible to restrict force applied to body tissue during surgery, and to reduce failure risk, with a simple configuration.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: May 19, 2020
    Assignee: SONY CORPORATION
    Inventors: Hiroyuki Suzuki, Kenichiro Nagasaka, Kazuo Hongo
  • Publication number: 20200129265
    Abstract: To realize torque control based on an estimated external force and to cope with more various situations. Provided is a medical support arm system including: a support arm that is a multilink structure having a plurality of links connected by a joint unit including an actuator, and configured to support a medical unit; and a control device including an external force estimation unit configured to estimate an external force acting on the joint unit on the basis of a drive characteristic of the actuator, and a joint control unit configured to control drive of the joint unit on the basis of an external torque estimated by the external force estimation unit.
    Type: Application
    Filed: April 12, 2018
    Publication date: April 30, 2020
    Inventors: YASUHIRO MATSUDA, FUMIYASU SUZUKI, ATSUSHI MIYAMOTO, YOHEI KURODA, KENICHIRO NAGASAKA
  • Publication number: 20200060523
    Abstract: Provision of a technology for controlling an arm to maintain hand-eye coordination is desirable in a case of using the arm for supporting an oblique-viewing endoscope. Provided is a medical support arm system including an articulated arm configured to support a scope that acquires an image of an observation target in an operation field, and a control unit configured to control the articulated arm on the basis of a relationship between a real link corresponding to a lens barrel axis of the scope and a virtual link corresponding to an optical axis of the scope.
    Type: Application
    Filed: February 19, 2018
    Publication date: February 27, 2020
    Applicant: Sony Corporation
    Inventors: Yasuhiro MATSUDA, Atsushi MIYAMOTO, Kenichiro NAGASAKA, Masaru USUI, Yohei KURODA, Daisuke NAGAO, Jun ARAI, Tetsuharu FUKUSHIMA
  • Patent number: 10536057
    Abstract: A motor is provided to reduce a size of a device more effectively. The motor includes a stator, a rotor that is provided to oppose the stator via a clearance, and an encoder that detects a rotation state of the rotor. A hollow space is provided at an inner peripheral side in comparison with the stator and the rotor, and at least a part of the encoder is disposed in the hollow space.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: January 14, 2020
    Assignee: SONY CORPORATION
    Inventors: Yasunori Kawanami, Kenichiro Nagasaka, Takashi Kito
  • Publication number: 20200008894
    Abstract: The present technology is to provide a medical operation system, a surgical system, a surgical instrument, and an external force sensing system that detect a force acting on an end effector in a preferred manner. The medical operation system includes: an inner slave having an end effector; an outer slave into which the inner slave is inserted, the outer slave supporting the inner slave at a position that allows the end effector to protrude outward from an end of the outer slave; a strain detection unit that detects strain generated in the outer slave; and a processing unit that calculates a force acting on the end effector in a living subject, on the basis of a result of detection performed by the strain detection unit. The outer slave is a structure decoupled from the inner slave.
    Type: Application
    Filed: January 22, 2018
    Publication date: January 9, 2020
    Inventors: HIROYUKI SUZUKI, KENICHIRO NAGASAKA
  • Publication number: 20190388165
    Abstract: An operation system, a surgical system, a control device, a distortion generating body, a surgical instrument and the like for detecting a force acting on an end effector are provided. The surgical system includes an arm including one or more links, an end effector arranged at a tip end of the arm, a first distortion detecting unit that detects distortion generated in the end effector, a second distortion detecting unit that detects distortion generated in the link, and a processing unit that calculates a force acting on the end effector in a living body on the basis of detection results of the first distortion detecting unit and the second distortion detecting unit.
    Type: Application
    Filed: February 2, 2018
    Publication date: December 26, 2019
    Applicant: Sony Corporation
    Inventors: Hiroyuki SUZUKI, Kenichiro NAGASAKA
  • Publication number: 20190350661
    Abstract: Provided is a medical robot arm apparatus including a plurality of joint units configured to connect a plurality of links and implement at least 6 or more degrees of freedom in driving of a multi-link structure configured with the plurality of links, and a drive control unit configured to control driving of the joint units based on states of the joint units. A front edge unit attached to a front edge of the multi-link structure is at least one medical apparatus.
    Type: Application
    Filed: August 1, 2019
    Publication date: November 21, 2019
    Applicant: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Tetsuharu Fukushima, Wataru Kokubo, Toshimitsu Tsuboi, Atsushi Miyamoto, Kenichiro Nagasaka, Kenji Hirose
  • Publication number: 20190293156
    Abstract: [Object] To propose a novel and improved support apparatus in which the apparatus can be miniaturized more effectively, while also minimizing limitations on the attitude of the apparatus. [Solution] Provided is a support apparatus including: a drive motor, a link mechanism that, by transmitting motive power output from the drive motor, is extendable and contractable in response to the motive power, and a pair of rotating bodies that act as a variable speed mechanism that outputs the motive power to the link mechanism by a reduction ratio according to an attitude of the link mechanism. At least part of the link mechanism forms a trapezoidal link mechanism.
    Type: Application
    Filed: February 24, 2017
    Publication date: September 26, 2019
    Inventors: YASUNORI KAWANAMI, KENICHIRO NAGASAKA, KAZUO HONGO
  • Patent number: 10420625
    Abstract: There is provided a medical apparatus, including medical vibration detection circuitry that is detachable from a medical instrument at an attachment position of the medical instrument in a longitudinal direction and that is configured to detect vibration generated in a distinct portion of the medical instrument, the distinct portion including at least a portion disposed toward a distal end of the medical instrument from the attachment position.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: September 24, 2019
    Assignee: SONY CORPORATION
    Inventors: Hiroyuki Suzuki, Kenichiro Nagasaka, Masaya Kinoshita, Tomoki Tamada
  • Patent number: 10405931
    Abstract: Provided is a medical robot arm apparatus including a plurality of joint units configured to connect a plurality of links and implement at least 6 or more degrees of freedom in driving of a multi-link structure configured with the plurality of links, and a drive control unit configured to control driving of the joint units based on states of the joint units. A front edge unit attached to a front edge of the multi-link structure is at least one medical apparatus.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: September 10, 2019
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Tetsuharu Fukushima, Wataru Kokubo, Toshimitsu Tsuboi, Atsushi Miyamoto, Kenichiro Nagasaka, Kenji Hirose
  • Publication number: 20190258316
    Abstract: [Object] To provide a haptic presentation apparatus capable of suppressing the transmission of vibration of a vibration actuator used to present tactile sensation to a force sensor. [Solution] A haptic presentation apparatus includes: a force sensor configured to detect force input to an operation portion that is operated by a user; a vibration generating source configured to present haptic sensation or tactile sensation to the user; and a vibration damping member configured to be interposed between the force sensor and the vibration generating source.
    Type: Application
    Filed: September 6, 2017
    Publication date: August 22, 2019
    Applicant: SONY CORPORATION
    Inventors: Hiroyuki SUZUKI, Ryuta HORIE, Kenichiro NAGASAKA
  • Patent number: 10321928
    Abstract: [Object] To enable to detect a force acting on a surgical instrument with a simpler configuration. [Solution] Provided is an information processing device including an acting force calculation unit that calculates, on a basis of a first detected value by a first force sensor provided on one side of a rod-shaped member, at least one of acting forces on a first point of action and a second point of action that differ from each other on an other side of the rod-shaped member.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: June 18, 2019
    Assignee: SONY CORPORATION
    Inventors: Kazuo Hongo, Kenichiro Nagasaka, Naoki Komine, Hiroyuki Suzuki
  • Publication number: 20190143530
    Abstract: [Object] To propose a novel and improved processing device, a novel and improved system, and a novel and improved control method capable of estimating a holding force with which an operator holds an operation body in a robot including the operation body provided in a link connected to a passive articulation. [Solution] Provided is the processing device including a processing unit (102) configured to estimate a holding force with which an operator holds an operation body on the basis of a model that corresponds to a first robot (200) including the operation body provided in a link connected to a passive articulation and a force sensor detecting a force applied to the operation body, the model regarding the force sensor part as a virtual articulation.
    Type: Application
    Filed: May 22, 2017
    Publication date: May 16, 2019
    Inventors: HIROMASA MASUDA, KENICHIRO NAGASAKA
  • Publication number: 20190053863
    Abstract: [Object] To reduce output of a motor of a support arm device. [Solution] A support arm device includes: a first drive part configured to be fixed to a base part and cause a first drive shaft to perform shaft rotation; a second drive part configured to be fixed to the base part and cause a second drive shaft to perform shaft rotation; and an arm part including at least one parallel link and configured to support a predetermined tool. The arm part is caused to change an attitude to cause the predetermined tool to perform a predetermined rotational motion by the first drive part and the second drive part being driven.
    Type: Application
    Filed: August 9, 2016
    Publication date: February 21, 2019
    Inventors: KAZUO HONGO, KENICHIRO NAGASAKA
  • Publication number: 20180358870
    Abstract: [Object] To reduce a size of a device more effectively. [Solution] Provided is a motor including: a stator; a rotor that is provided to oppose the stator via a clearance; and an encoder that is capable of detecting a rotation state of the rotor. A hollow space is provided at an inner peripheral side in comparison with the stator and the rotor, and at least a part of the encoder is disposed in the hollow space.
    Type: Application
    Filed: April 5, 2017
    Publication date: December 13, 2018
    Inventors: Yasunori KAWANAMI, Kenichiro Nagasaka, Takashi Kito
  • Patent number: 10123932
    Abstract: There is provided a motion assist device including a jth link worn on a jth portion of a user, an ith joint unit connected at one end of an ith link in a freely rotatable manner, a (j+1)th link worn on a (j+1)th portion of the user, an (i+1)th joint unit integral with one end of the (j+1)th link and coupled to the other end of the jth link, a single actuator installed at one of the jth link and a link adjacent to the jth link, and a transmission part transmitting a driving force of the actuator to the ith joint unit and the (i+1)th joint unit.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: November 13, 2018
    Assignee: SONY CORPORATION
    Inventor: Kenichiro Nagasaka
  • Patent number: 10105843
    Abstract: There is provided a robot device including a behavior plan unit that detects a current status of the robot device or an external environment and that decides one behavior plan of a plurality of behavior plan candidates as a future behavior plan, based on the current status, and a display control unit that decides one display pattern of a plurality of previously prepared display pattern candidates as display content to be displayed on a remote control device that remotely controls the robot device based on the decided behavior plan and that cause the remote control device to display the display pattern decided by the behavior plan unit.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: October 23, 2018
    Assignee: SONY CORPORATION
    Inventors: Hirokazu Shirado, Yasuhiro Suto, Takashi Kito, Akichika Tanaka, Kenichiro Nagasaka
  • Publication number: 20180206930
    Abstract: A medical instrument according to the present disclosure includes: a contact portion configured to contact body tissue; a drive unit configured to generate drive force for causing the contact portion to contact the body tissue; and a limiter mechanism configured to impose restriction on transmission of the drive force to the contact portion, in accordance with contact force of the contact portion with respect to the body tissue. This configuration makes it possible to restrict force applied to body tissue during surgery, and to reduce failure risk, with a simple configuration.
    Type: Application
    Filed: June 6, 2016
    Publication date: July 26, 2018
    Inventors: Hiroyuki SUZUKI, Kenichiro NAGASAKA, Kazuo HONGO
  • Patent number: 9980842
    Abstract: Intentions of a user are read from movements of the joints of the user without the use of a myoelectric sensor, and a force to support motions of the user is generated. Even if there is friction that is difficult to model in a gear portion of a joint actuator, the friction is compensated for, and joint units are controlled to follow an idealized mathematical model. In this manner, the force to support motions is generated, without giving any uncomfortable feeling to the joints of the user wearing the device. When motions of the user are supported, a mathematically-determined torque is applied to the joint units, so that a natural supporting force is constantly provided to the user in various circumstances.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: May 29, 2018
    Assignee: SONY CORPORATION
    Inventor: Kenichiro Nagasaka
  • Publication number: 20180071047
    Abstract: There is provided a medical apparatus, including medical vibration detection circuitry that is detachable from a medical instrument at an attachment position of the medical instrument in a longitudinal direction and that is configured to detect vibration generated in a distinct portion of the medical instrument, the distinct portion including at least a portion disposed toward a distal end of the medical instrument from the attachment position.
    Type: Application
    Filed: May 13, 2016
    Publication date: March 15, 2018
    Applicant: SONY CORPORATION
    Inventors: Hiroyuki SUZUKI, Kenichiro NAGASAKA, Masaya KINOSHITA, Tomoki TAMADA