Patents by Inventor Kenji Ago

Kenji Ago 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: 11944280
    Abstract: An adapter for detachably connecting a surgical instrument to a robot arm of a robotic surgical system according to an embodiment may include: a base including a first surface to be attached to an attachment portion of the robot arm, a second surface, and a plurality of recesses formed in the first surface; an engagement member disposed in the base and movable between an advanced position where the engagement member is advanced into the plurality of recesses and a retracted position where the engagement member is retracted from inside the plurality of recesses; a biasing member which biases the engagement member in a direction from the retracted position to the advanced position; and an operating member to be operated to move the engagement member to the retracted position against a biasing force of the biasing member.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: April 2, 2024
    Assignee: MEDICAROID CORPORATION
    Inventors: Shota Betsugi, Yu Usuki, Kenji Ago
  • Patent number: 11737837
    Abstract: A surgical instrument according to an embodiment may include: a housing that is to be attached to a driving unit of a robot arm and is provided with a plurality of driven members to be driven by a plurality of drive members of the driving unit; a shaft whose one end portion is connected to the housing; a plurality of end effectors; a support body that is rotatably supported by the other end portion of the shaft and rotatably supports the plurality of end effectors; and a plurality of driving elements that are respectively connected to the plurality of driven members to drive the plurality of end effectors and the support body to rotate.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: August 29, 2023
    Assignee: MEDICAROID CORPORATION
    Inventors: Kenji Ago, Jota Ida
  • Patent number: 11723731
    Abstract: An adapter set is provided with an adapter placed between a robot arm and a surgical instrument, and a stopper mounted on the adapter. The stopper includes a rotation restricting part configured to restrict a rotation of a driving transmission member of the adapter. The driving transmission member includes a first member that includes an engaging depressed part configured to fit together with a driven member of the surgical instrument and another engaging depressed part that is provided separately from the engaging depressed part and is configured to fit together with the rotation restricting part of the stopper, and a second member that includes an engaging depressed part configured to fit together with a driving member. The stopper is configured to be removed from the adapter after the driving member fits together with the second member of the adapter.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: August 15, 2023
    Assignee: MEDICAROID CORPORATION
    Inventors: Kenji Ago, Kazuhiro Sato
  • Patent number: 11642162
    Abstract: A surgical instrument according to an embodiment may include: a shaft; an end effector provided on a side of one end of the shaft; a housing including a base to which the other end of the shaft is connected, and a lid portion to cover the base; and a circuit board disposed on the base. The housing includes a press portion that presses the circuit board to the base to hold the circuit board.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: May 9, 2023
    Assignee: MEDICAROID CORPORATION
    Inventors: Shota Betsugi, Yu Usuki, Kenji Ago
  • Patent number: 11642186
    Abstract: An adaptor for detachably connecting a surgical instrument to a robot arm of a robotic surgical system according to an embodiment may include: a base body including a first surface to be attached to the robot arm and a second surface to which an attachment surface of the surgical instrument is mounted; and drive transmission members rotatably provided on the base body. The second surface of the base body includes first and second guide rails respectively corresponding to first and second guide grooves provided on the attachment surface of the surgical instrument. The first and second guide rails of the second surface are configured to be inserted respectively into the first and second guide grooves of the attachment surface, and guide the surgical instrument to be slid to a position where the drive transmission members respectively correspond to rotation members provided on the attachment surface of the surgical instrument.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: May 9, 2023
    Assignee: MEDICAROID CORPORATION
    Inventors: Kenji Ago, Kaoru Takahashi, Yu Usuki, Shota Betsugi, Tomoaki Noda, Yoshiaki Tanaka, Tetsuya Nakanishi
  • Patent number: 11583352
    Abstract: An endoscope adaptor to be connected to a robot arm of a robotic surgical system through a drape adaptor according to an embodiment may include a base section, a holding section, a driven member, and a transmission mechanism. The base is to be detachably connected to the drape adaptor. The driven member is rotatably provided on the base section and configured to be rotated by a rotation drive section of the robot arm through the drape adaptor. The holding section holds an endoscope rotatably about a rotation axis, the endoscope including an insertion section including an image capturing section provided at a distal end of the insertion section and a body section connected to the insertion section, wherein the rotation axis extends in a direction in which the insertion section extends. The transmission mechanism is configured to transmit rotation of the driven member to the holding section holding the endoscope.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: February 21, 2023
    Assignee: MEDICAROID CORPORATION
    Inventors: Shota Betsugi, Yu Usuki, Kenji Ago
  • Patent number: 11553978
    Abstract: A stopper according to one or more embodiments may include: a stopper body; and a rotation restriction portion provided at the stopper body and configured to restrict rotations of the drive transmission member. The stopper may be configured such that the rotation restriction portion restricts the rotations of the drive transmission member in a state where the stopper body is attached to the adaptor main body and the rotation restriction portion releases the restriction of the rotations of the drive transmission member in a state where the stopper body is detached from the adaptor main body.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: January 17, 2023
    Assignee: MEDICAROID CORPORATION
    Inventors: Kenji Ago, Kaoru Takahashi, Yu Usuki, Shota Betsugi, Tomoaki Noda, Yoshiaki Tanaka, Tetsuya Nakanishi, Kazuhiro Sato
  • Patent number: 11490972
    Abstract: A driver interface provided to a robot arm of a robotic surgical system according to an embodiment may include: a drive member provided corresponding to a drive transmission member provided on an adaptor; an actuator to drive the drive member to rotate; and a housing accommodating the actuator therein and including a drive member opening at a location corresponding to the drive member and a drape detection opening. The driver interface may further include a detection member movable between a protrusion position at which a part of the detection member is protruded from the drape detection opening of the housing, and a withdrawal position at which the detection member is withdrawn into the drape detection opening of the housing. The driver interface may further include a sensor configured to detect the detection member is moved to the withdrawal position as a drape is brought into contact with the detection member.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: November 8, 2022
    Assignee: MEDICAROID CORPORATION
    Inventors: Shota Betsugi, Kenji Ago
  • Patent number: 11490974
    Abstract: A method of fixing a surgical instrument to a robot arm according to one or more embodiment may include: attaching the surgical instrument to a drive part of the robot arm via an adaptor in a state where a first engagement portion of a drive transmission member of the adaptor is set at a second initial orientation; and rotating the first engagement portion from the second initial orientation so as to engage the first engagement portion of the drive transmission member with an engagement portion of an driven member.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: November 8, 2022
    Assignee: MEDICAROID CORPORATION
    Inventors: Kenji Ago, Kaoru Takahashi, Yu Usuki, Shota Betsugi, Tomoaki Noda, Yoshiaki Tanaka
  • Patent number: 11490971
    Abstract: A driver interface according to an embodiment may include an engagement member, an actuator, a detection member, and a sensor. The engagement member includes an engagement protrusion protruding from a surface of the engagement member and provided corresponding to an engagement recess provided at a drive transmission member rotatably provided in an adaptor. The actuator is configured to rotate the engagement member. The detection member is movable in a direction parallel to the rotation axis of the engagement member. The sensor detects the detection member that has moved as a result of contact with a part of the drive transmission member.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: November 8, 2022
    Assignee: MEDICAROID CORPORATION
    Inventors: Shota Betsugi, Kenji Ago
  • Publication number: 20220331023
    Abstract: A surgical instrument adaptor according to one or more embodiments for connecting a manual surgical instrument to a robot arm to operate the manual surgical instrument may include: an interface portion including a rotation member to be driven to rotate by a driving force transmitted from a driving part provided at the robot arm; a driven part including a pressing portion configured to press an operation portion of the manual surgical instrument; an elongate element comprising a wire or a cable connecting the rotation member and the driven part and configured to transmit the driving force from the rotation member to the driven part; and a guide tube that guides the elongate element.
    Type: Application
    Filed: April 18, 2022
    Publication date: October 20, 2022
    Applicant: MEDICAROID CORPORATION
    Inventors: Kenji AGO, Kazunori SUGA, Shiro HORITA
  • Patent number: 11446100
    Abstract: A surgical instrument according to an embodiment may include: a base body including an attachment surface for the adaptor; a surgical tool; driven members rotatably provided on the base body; a housing covering the driven members; and first and second movable members movable with respect to the housing and the base body. The attachment surface of the base body includes a first guide groove and a second guide groove that slidably receive a first guide rail and a second guide rail provided on the adaptor respectively. The first and second guide grooves are defined by the base body and the first and second movable members such that groove widths of the first and second guide grooves are variable by moving the first and second movable members with respect to the base body.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: September 20, 2022
    Assignee: MEDICAROID CORPORATION
    Inventors: Shota Betsugi, Yu Usuki, Kenji Ago
  • Patent number: 11432889
    Abstract: A robotic surgical instrument according to an embodiment may include: an end effector; a first support body that supports the end effector rotatably about a first shaft; a second support body that supports the first support body rotatably about a second shaft; an elongated element to rotate the first support body with respect to the second support body; and a shaft to which the second support body is connected. The elongated element includes a wire, an attachment fixed to the wire, and a protection tube fixed to the wire. The first support body includes a through-hole having a size in which the attachment and the protection tube are insertable.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: September 6, 2022
    Assignee: MEDICAROID CORPORATION
    Inventors: Yu Usuki, Kenji Ago
  • Publication number: 20220117691
    Abstract: An adaptor according one or more embodiments may include a base body and an arm engagement part including an engagement portion to be engaged with the robot arm at an engagement position and a contact portion with which a release tool comes in contact. The arm engagement part may be configured such that the contact portion comes in contact with the release tool when the release tool is inserted through the tool insertion hole, a part of the arm engagement part is moved into an escape space in the base body when the contact portion is moved in a direction orthogonal to an insertion direction of the release tool, and the engagement portion of the arm engagement part is moved, when the release tool is further inserted, from the engagement position to the disengagement position, which disengages the engagement portion of the arm engagement part from the robot arm.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 21, 2022
    Applicant: MEDICAROID CORPORATION
    Inventors: Kenji AGO, Koji MUNETO, Kazuhiro SATO
  • Patent number: 11266386
    Abstract: The adapter includes: a base body that includes a first surface attached to a robot arm, and a second surface to which a surgical instrument is attached; an engaging portion that engages with the robot arm at an advanced position corresponding to an opening of the first surface; an urging member that urges the engaging portion in a direction from a retracted position to the advanced position; an operation portion connected to the engaging portion to shift the engaging portion to the retracted position while resisting an urging force of the urging member; and a stopper that stops the operation portion to prevent a shift of the engaging portion from the retracted position to the advanced position.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: March 8, 2022
    Assignee: MEDICARDOID CORPORATION
    Inventors: Kenji Ago, Yu Usuki, Shota Betsugi, Yoshiaki Tanaka, Tetsuya Nakanishi
  • Patent number: 11234777
    Abstract: An adaptor according to one or more embodiments may include a drive transmission member to transmit a driving force from a driving member of a drive part to a driven member of a surgical instrument. The drive transmission member may include: a first member to be fitted to the driven member of the surgical instrument; and a second member relatively movable with respect to the first member in directions toward the surgical instrument and toward the drive part and to be fitted to the driving member. The second member may include a movement restriction part that comes in contact with the driven member to restrict a movement of the second member toward the surgical instrument in a state where the driving member of the drive part is fitted to the second member and the driven member of the surgical instrument is fitted to the first member.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: February 1, 2022
    Assignees: MEDICAROID CORPORATION, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kenji Ago, Koji Muneto
  • Publication number: 20210401531
    Abstract: A sterile drape according to an embodiment may include: a flexible film member including a first opening and a second opening and configured to cover the robot arm received through the second opening; and a resin molded member configured to close the first opening of the flexible film member. The resin molded member includes: an upper surface portion having a shape and a size fitted to an attachment surface of an attachment portion of the robot arm; a side surface portion extending downward from the upper surface portion; and a projection which projects outward from a lower edge of the side surface portion and to which the flexible film member is welded.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Applicant: MEDICAROID CORPORATION
    Inventors: Shota BETSUGI, Yu USUKI, Kenji AGO
  • Patent number: 11147644
    Abstract: A sterile drape according to an embodiment may include: a flexible film member including a first opening and a second opening and configured to cover the robot arm received through the second opening; and a resin molded member configured to close the first opening of the flexible film member. The resin molded member includes: an upper surface portion having a shape and a size fitted to an attachment surface of an attachment portion of the robot arm; a side surface portion extending downward from the upper surface portion; and a projection which projects outward from a lower edge of the side surface portion and to which the flexible film member is welded.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: October 19, 2021
    Assignee: MEDICAROID CORPORATION
    Inventors: Shota Betsugi, Yu Usuki, Kenji Ago
  • Publication number: 20210298849
    Abstract: A surgical instrument according to an embodiment may include: a housing that is to be attached to a driving unit of a robot arm and is provided with a plurality of driven members to be driven by a plurality of drive members of the driving unit; a shaft whose one end portion is connected to the housing; a plurality of end effectors; a support body that is rotatably supported by the other end portion of the shaft and rotatably supports the plurality of end effectors; and a plurality of driving elements that are respectively connected to the plurality of driven members to drive the plurality of end effectors and the support body to rotate.
    Type: Application
    Filed: March 25, 2021
    Publication date: September 30, 2021
    Applicant: MEDICAROID CORPORATION
    Inventors: Kenji AGO, Jota IDA
  • Patent number: 11071600
    Abstract: A compact medical treatment tool having an end portion, used for surgery, and a surgical system having such a medical treatment tool are provided. A medical treatment tool includes an end effector, a wrist member, a shaft, a first pulley, and a second pulley. A first pulley portion included in the end effector is rotatably mounted on the wrist member via a first connection, and is located closer to a first end of the first connection. The first pulley is mounted on the wrist member. A rotational axis of the first pulley intersects with a plane defined by a shaft axis and a first axis that is defined by the first connection. The rotational axis of the first pulley is located closer to a second end of the first connection, opposite to the first end of the first connection, than a groove of the first pulley portion.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: July 27, 2021
    Assignee: MEDICAROID CORPORATION
    Inventors: Kazuki Ishihara, Kenji Ago