Patents by Inventor Ryuhei SHIMADA
Ryuhei SHIMADA 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).
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Patent number: 11484357Abstract: A high frequency treatment instrument can be opened and closed between a first grasping jaw and a second grasping jaw. A lumen is formed inside the first grasping jaw. The first grasping jaw includes an electrode disposed on a side toward which the first gasping jaw is closed, with respect to the lumen. The electrode has an electrode surface arranged opposite the second grasping jaw and extending from a proximal end portion to a distal end portion of the first grasping jaw. The first grasping jaw has a distal end wall disposed opposing from a distal end side of the first grasping jaw toward a distal end edge of the electrode surface, and a clearance between the distal end edge of the electrode surface and the distal end wall communicates to the lumen and opens toward the side toward which the first grasping jaw is closed.Type: GrantFiled: November 19, 2018Date of Patent: November 1, 2022Assignee: OLYMPUS CORPORATIONInventors: Akihito Kano, Mizuki Komiya, Ryuhei Shimada
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Publication number: 20210236153Abstract: A treatment device includes: an end effector that includes a pair of grippers for gripping a target region; a channel for supplying a fluid to the end effector; and a fluid source for supplying the fluid to the channel.Type: ApplicationFiled: April 21, 2021Publication date: August 5, 2021Applicant: OLYMPUS CORPORATIONInventor: Ryuhei SHIMADA
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Publication number: 20190117294Abstract: A grasping treatment instrument can be opened and closed between a first grasping jaw and a second grasping jaw. The first grasping jaw includes, on its outer front surface, a grasping surface opposing the second grasping jaw, a back surface facing an opposite side to the grasping surface, and inclined surfaces arranged extending from a side of the back surface toward a side of the grasping surface as the inclined surfaces become away from a central position in a width direction, and are inclined relative to the back surface. In the first grasping jaw, a liquid is supplied from a liquid inlet portion onto the inclined surfaces by way of the back surface, and the liquid flows out from the inclined surfaces toward the side of the grasping surface.Type: ApplicationFiled: November 19, 2018Publication date: April 25, 2019Applicant: Olympus CorporationInventors: Akihito Kano, Mizuki Komiya, Ryuhei Shimada
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Publication number: 20190117293Abstract: A high frequency treatment instrument can be opened and closed between a first grasping jaw and a second grasping jaw. A lumen is formed inside the first grasping jaw. The first grasping jaw includes an electrode disposed on a side toward which the first gasping jaw is closed, with respect to the lumen. The electrode has an electrode surface arranged opposite the second grasping jaw and extending from a proximal end portion to a distal end portion of the first grasping jaw. The first grasping jaw has a distal end wall disposed opposing from a distal end side of the first grasping jaw toward a distal end edge of the electrode surface, and a clearance between the distal end edge of the electrode surface and the distal end wall communicates to the lumen and opens toward the side toward which the first grasping jaw is closed.Type: ApplicationFiled: November 19, 2018Publication date: April 25, 2019Applicant: Olympus CorporationInventors: Akihito Kano, Mizuki Komiya, Ryuhei Shimada
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Patent number: 9463039Abstract: An endoscopic device includes a longitudinal member, a pair of jaws installed at a distal end of the longitudinal member and configured to be freely opened and closed, a first grasping member supported by a first jaw of the pair of jaws, a second grasping member supported by a second jaw of the pair of jaws, the second body having a wire shape, flexibility, and being curved in a loop shape, a long operating transmission member having a distal end portion connected to the pair of jaws and installed to advance and retreat along a longitudinal axis of the longitudinal member, and an open-close operating portion installed at a proximal end portion of the operating transmission member and configured to be manipulated to open and close the pair of jaws.Type: GrantFiled: June 16, 2014Date of Patent: October 11, 2016Assignee: OLYMPUS CORPORATIONInventors: Noriko Kuroda, Kunihide Kaji, Takuo Yokota, Nobuko Matsuo, Takayasu Mikkaichi, Hiroko Sakamoto, Masatoshi Sato, Ryuhei Shimada, Satoko Suzuki
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Patent number: 9433430Abstract: An endoscopic device includes a longitudinal member, a pair of jaws installed at a distal end of the longitudinal member and configured to be freely opened and closed, a first grasping member supported by a first jaw of the pair of jaws, a second grasping member supported by a second jaw of the pair of jaws, the second body having a wire shape, flexibility, and being curved in a loop shape, a long operating transmission member having a distal end portion connected to the pair of jaws and installed to advance and retreat along a longitudinal axis of the longitudinal member, and an open-close operating portion installed at a proximal end portion of the operating transmission member and configured to be manipulated to open and close the pair of jaws.Type: GrantFiled: June 16, 2014Date of Patent: September 6, 2016Assignee: OLYMPUS CORPORATIONInventors: Noriko Kuroda, Kunihide Kaji, Takuo Yokota, Nobuko Matsuo, Takayasu Mikkaichi, Hiroko Sakamoto, Masatoshi Sato, Ryuhei Shimada, Satoko Suzuki
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Publication number: 20150032119Abstract: An endoscopic device includes a longitudinal member, a pair of jaws installed at a distal end of the longitudinal member and configured to be freely opened and closed, a first grasping member supported by a first jaw of the pair of jaws, a second grasping member supported by a second jaw of the pair of jaws, the second body having a wire shape, flexibility, and being curved in a loop shape, a long operating transmission member having a distal end portion connected to the pair of jaws and installed to advance and retreat along a longitudinal axis of the longitudinal member, and an open-close operating portion installed at a proximal end portion of the operating transmission member and configured to be manipulated to open and close the pair of jaws.Type: ApplicationFiled: June 16, 2014Publication date: January 29, 2015Inventors: Noriko KURODA, Kunihide KAJI, Takuo YOKOTA, Nobuko MATSUO, Takayasu MIKKAICHI, Hiroko SAKAMOTO, Masatoshi SATO, Ryuhei SHIMADA, Satoko SUZUKI