Patents by Inventor Yusuke Takei
Yusuke Takei 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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Publication number: 20200268430Abstract: A medical apparatus includes a first jaw; a second jaw that opens and closes with the first jaw; a shaft to which the second jaw is pivotably attached; and a sliding member provided between the second jaw and the shaft, abutted to each of the second jaw and the shaft, and configured to be slidable with respect to at least one of the second jaw or the shaft.Type: ApplicationFiled: May 12, 2020Publication date: August 27, 2020Applicant: OLYMPUS CORPORATIONInventors: Yusuke TAKEI, Kazuhiro TANAKA, Tomoyuki TAKASHINO
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Publication number: 20200122556Abstract: A vehicle sun visor device includes a base (a support), a sliding base (a sliding body), a visor body, and a torque hinge (a hinge) configured to connect the visor body to the sliding base in a rotatable manner in the up-down direction. The torque hinge includes a connecting member to which the visor body is connected. The connecting member includes a hole portion and a first fastening member (a first connecting portion). The visor body includes a projecting portion. The projecting portion is set to have a strength with which the projecting portion does not break even when an operation load to rotate the visor body around a hinge shaft is applied to the visor body, but the projecting portion breaks when a deployment load of an airbag is applied to the visor body.Type: ApplicationFiled: October 9, 2019Publication date: April 23, 2020Inventors: Takahiro SUZUKI, Yusuke TAKEI, Yuji KARIYA
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Publication number: 20200121386Abstract: A medical device comprises a housing and a sheath having opposed proximal and distal ends and being attached from the proximal end to the housing. An end effector is attached to the distal end portion of the sheath. The end effector includes a pair of grasping jaws capable of be openable and closable with respect to one another. A movable shaft includes a distal end that being connected at to the end effector and configured to be movable with respect to the sheath so as to cause the paired grasping jaws to be opened or closed with respect to one another. A movable handle is configured to pivot with respect to the housing and having an input position where an operation is inputted so as to cause the handle to pivot. The movable shaft is changeable in an initial state before the operation is inputted at the input position.Type: ApplicationFiled: December 20, 2019Publication date: April 23, 2020Applicant: Olympus CorporationInventor: Yusuke Takei
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Patent number: 10617462Abstract: A medical device that includes a support member, a heat insulator provided on at least a portion of a first surface of the support member, an energy output member configured to output energy, the energy output member provided on at least a portion of a first surface of the heat insulator, the output energy configured to treat biological tissue and a heat conductor provided on at least a portion of the first surface of the support member and contacting a second surface of the heat insulator, the second surface of the heat insulator opposite the first surface of the heat insulator, wherein a portion of the support member is located proximal than the energy output, and the energy output member is configured to transfer heat to the heat insulator, and wherein the heat conductor is configured to conduct the heat from the heat insulator to the support member.Type: GrantFiled: September 9, 2016Date of Patent: April 14, 2020Assignee: OLYMPUS CORPORATIONInventors: Yusuke Takei, Tomoyuki Takashino, Kazuhiro Tanaka
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Publication number: 20190328414Abstract: In a manufacturing of a grasping device that is openable and closable and includes a first jaw having a first hole and a second jaw having a second hole larger than the first hole, the first jaw is arranged in between protruding portions of the second jaw. The second hole is located outside the first hole in a width direction of the grasping device, and a cross-sectional area of the second hole is larger than the first hole. A pin member is inserted through both the first hole and the second hole. The positions of the first jaw and the pin member are adjusted relative to the second jaw to predetermined positions. The pin member is fixed to the second jaw upon positioning the first jaw and the second jaw at the predetermined positions.Type: ApplicationFiled: July 12, 2019Publication date: October 31, 2019Applicant: OLYMPUS CORPORATIONInventor: Yusuke TAKEI
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Publication number: 20190282252Abstract: A medical instrument includes: a jaw which is provided with a grasping section; and a blade which is movable close to and away from the grasping section and which extends from a distal-end portion thereof to a proximal-end portion thereof, the blade having a top portion including a ridge opposed to the grasping section, and the ridge of the top portion in the proximal-end portion being sharper than the ridge of the top portion in the distal-end portion.Type: ApplicationFiled: June 5, 2019Publication date: September 19, 2019Applicant: OLYMPUS CORPORATIONInventors: Yusuke TAKEI, Kazuhiro TANAKA, Tomoyuki TAKASHINO
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Publication number: 20190231376Abstract: A surgical treatment instrument includes a holdable housing, a shaft, an end effector configured to perform a bending movement with respect to the shaft, a rotor configured to rotate about a rotation axis in response to an operation input performed through an operation member, and a transmission member configured to transmit a driving force for causing the end effector to perform the bending movement to the end effector. The operation member and the transmission member are configured to rotate together with the shaft and the end effector in response to the operation input, and the rotor is configured to not rotate together with the shaft and the end effector when the operation input is performed.Type: ApplicationFiled: April 12, 2019Publication date: August 1, 2019Applicant: OLYMPUS CORPORATIONInventors: Ojiro KITAMURA, Yusuke TAKEI, Yuki KAWAGUCHI
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Patent number: 10363083Abstract: An energy output section outputs first electric energy so that a high-frequency current flows between electrodes through a treated target, and outputs second electric energy so that heat occurs in an end effector. A controller outputs the first electric energy at the same time as the second electric energy in at least a part of a period during which the heat is continuously denaturing the treated target from an output start of the second electric energy. The controller makes, based on judging that the treated target entered a predetermined state, an electric power of the first electric energy increased.Type: GrantFiled: May 24, 2017Date of Patent: July 30, 2019Assignee: OLYMPUS CORPORATIONInventors: Tomoyuki Takashino, Yusuke Takei, Kazuhiro Tanaka
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Publication number: 20190223941Abstract: A surgical treatment instrument includes an elongated member an end effector that is bendable with respect to the elongated member, a bending operator operable to bend the end effector, a rotor rotatable about a rotation axis in response to operation of the bending operator, and a transmitter that transmits a driving force to bend the end effector. The bending operator, the rotor, and the transmitter are rotatable about the longitudinal axis together with the elongated member and the end effector.Type: ApplicationFiled: April 5, 2019Publication date: July 25, 2019Applicant: OLYMPUS CORPORATIONInventors: Ojiro KITAMURA, Yusuke TAKEI, Yuki KAWAGUCHI
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Publication number: 20190175257Abstract: A treatment instrument includes a rotating body and a housing. The rotating body includes a connecting portion including: a supported portion having a cylindrical outer peripheral surface, and an engaged portion that is adjacent to the supported surface. The housing includes a supporting portion that is configured to support the supported portion of the rotating body, the supporting portion being rotatable around a predetermined rotation axis; and an engaging portion that is configured to generate a frictional force larger than a frictional force between the supporting portion and the supported portion by coming into contact with the engaged portion.Type: ApplicationFiled: December 20, 2018Publication date: June 13, 2019Applicant: OLYMPUS CORPORATIONInventors: Kazuhiro TANAKA, Yuki KAWAGUCHI, Yusuke TAKEI, Ojiro KITAMURA, Akinori KOBAYASHI, Tomoyuki TAKASHINO, Tatsuro YAMAMOTO
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Publication number: 20190150969Abstract: A treatment tool comprises a housing and a rotary element configured to be attached to the housing so as to define the treatment tool for treating an examinee. The rotary element is defined by an elongated member being rotatable about a rotational axis with respect to the housing. A rotary member is attached to the elongated member to rotate the elongated member. The rotary member is disposed coaxially with the elongated member and rotatable with respect to the housing. A locking member is used for unlocking the elongated member from the housing for rotation in response to rotation of the rotary member to allow the elongated member to rotate in the same direction as the rotary member in response to rotation of the rotary member and locking the elongated member against rotation with respect to the housing upon stopping of relative rotation between the rotary member and the housing.Type: ApplicationFiled: January 30, 2019Publication date: May 23, 2019Applicant: Olympus CorporationInventor: Yusuke Takei
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Publication number: 20190117246Abstract: In a treatment instrument, one of a pair of jaws is supported by a supporter while being pivot able around the supporter with respect to the supporter. A drive member moves along a longitudinal axis so that the pair of the jaws are closed with respect to each other, thereby applying an axial force onto an elongated member from the drive member by way of the one of the jaws and the supporter in a direction along the longitudinal axis. A contact surface of the elongated member abuts on a housing when the elongated member moves with respect to the housing under the axial force, thereby suppressing rotation of the elongated member around the longitudinal axis with respect to the housing.Type: ApplicationFiled: December 4, 2018Publication date: April 25, 2019Applicant: OLYMPUS CORPORATIONInventors: Kazuhiro TANAKA, Yusuke TAKEI, Ojiro KITAMURA, Akinori KOBAYASHI, Tatsuro YAMAMOTO
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Publication number: 20190117248Abstract: A treatment tool includes a housing, a sheath rotatable around a predetermined axis of rotation with respect to the housing. An end effector is disposed on a distal-end portion of the sheath and rotatable in unison with the sheath around the axis of rotation. A locking member for restraining rotation of the sheath with respect to the housing by engaging the sheath. A manipulating member is mounted on the housing and moves with respect to the housing for causing the locking member and the sheath to switch between engaging and disengaging positions.Type: ApplicationFiled: December 14, 2018Publication date: April 25, 2019Applicant: Olympus CorporationInventors: Kazuhiro Tanaka, Yusuke Takei, Ojiro Kitamura, Akinori Kobayashi, Tatsuro Yamamoto
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Patent number: 10070913Abstract: A grasping surface opposed to a second jaw is provided on an outer surface in a first jaw of the grasping treatment unit, and a heat applying portion applying heat to a treated target is provided in a grasping-surface-side part in the first jaw. The heat applying portion includes a projection portion in which the grasping surface projects toward the second jaw, and the projection portion includes a first thermal conduction portion, and a second thermal conduction portion with a thermal conductivity which is different from that of the first thermal conduction portion. The second thermal conduction portion is continuous with the first thermal conduction portion in a longitudinal direction of the first jaw.Type: GrantFiled: October 31, 2016Date of Patent: September 11, 2018Assignee: OLYMPUS CORPORATIONInventors: Tomoyuki Takashino, Yusuke Takei, Kazuhiro Tanaka
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Patent number: 10058373Abstract: A treatment instrument includes a treatment body that includes a treatment surface provided in the first clamp surface, the treatment surface protruding toward the second clamp surface in response to the supply of heat energy and increasing pressure on the living tissue to treat the living tissue in cooperation with the action of the heat energy.Type: GrantFiled: January 19, 2017Date of Patent: August 28, 2018Assignee: OLYMPUS CORPORATIONInventors: Tomoyuki Takashino, Hiroaki Ichikawa, Yusuke Takei, Kazuhiro Tanaka
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Patent number: 10048093Abstract: A magnetism detecting element detects a leakage magnetism from a scale, on which a magnetic signal with a constant period is recorded, and a relative position between the scale and the magnetism detecting element is detected. The magnetism detecting elements are arranged, along a detection direction of the magnetic signal relative to the scale, in a pattern with a pitch of ½n (n is a prime number of 3 or more) of a wavelength ?? of a signal output by the element. Furthermore, as the pattern for cancelling m odd-order harmonics, the m-th power of 2 magnetism detecting elements are arranged within a range in which a pitch distance L of the magnetism detecting element farthest in the detection direction is expressed by L=(??/2)×(?+?+ 1/7+ . . . 1/(2m+1)).Type: GrantFiled: May 19, 2017Date of Patent: August 14, 2018Assignee: DMG MORI SEIKI CO., LTD.Inventors: Masaaki Kusumi, Yusuke Takei, Shigeru Ishimoto, Mitsugu Yoshihiro
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Patent number: 10034703Abstract: A control device is a control device for an energy treatment tool including a first holding member and a second holding member which hold a biological tissue, and a heating element configured to generate heat corresponding to supplied power, thereby heating a holding surface. The control device includes a temperature acquiring section that acquires a temperature of the heating element; and a surface temperature estimating section that estimates, as a surface temperature, a temperature of at least a part of a surface of the first holding member which is different from a portion facing the second holding member, based on a change of the temperature of the heating element after supply of the power is stopped.Type: GrantFiled: September 14, 2016Date of Patent: July 31, 2018Assignee: OLYMPUS CORPORATIONInventors: Tomoyuki Takashino, Yusuke Takei, Kazuhiro Tanaka
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Patent number: 10024691Abstract: A magnetism detecting element detects a leakage magnetism from a scale, on which a magnetic signal with a constant period is recorded, and a relative position between the scale and the magnetism detecting element is detected. The magnetism detecting elements are arranged, along a detection direction of the magnetic signal relative to the scale, in a pattern with a pitch of ½n (n is a prime number of 3 or more) of a wavelength ?? of a signal output by the element. Furthermore, as the pattern for cancelling m odd-order harmonics, the m-th power of 2 magnetism detecting elements are arranged within a range in which a pitch distance L of the magnetism detecting element farthest in the detection direction is expressed by L=(??/2)×(?+?+ 1/7+ . . . 1/(2m+1)).Type: GrantFiled: May 19, 2017Date of Patent: July 17, 2018Assignee: DMG MORI SEIKI CO., LTD.Inventors: Masaaki Kusumi, Yusuke Takei, Shigeru Ishimoto, Mitsugu Yoshihiro
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Patent number: 9993289Abstract: A treatment device configured to hold a living tissue includes a swing member supported by a first grasping member and rotatable in a first direction and in an opposite direction opposite to the first direction. A support shaft of the swing member is supported on a side close to the distal end including a middle position between the distal end and the proximal end. A first holding surface is provided on the swing member close to a side of the second grasping member and grasps the living tissue. A second holding surface is provided on the second grasping member close to a side of the swing member and which faces the first holding surface and which is configured to hold the living tissue together with the first holding surface of the swing member.Type: GrantFiled: March 7, 2014Date of Patent: June 12, 2018Assignee: OLYMPUS CORPORATIONInventors: Hideo Sobajima, Tomoyuki Takashino, Yusuke Takei
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Patent number: 9962216Abstract: A treatment device to treat a living tissue, includes: first and second holding portions; a rotary member including a working portion including an edge portion which is rotated around a central axis equal to or substantially parallel with the longitudinal axis, the rotary member capable of moving the edge portion from the first holding portion to the second holding portion; a first guide portion provided in the first holding portion and capable of guiding the edge portion toward the second holding portion through the holding surface of the first holding portion; and a second guide portion provided in the second holding portion, and capable of guiding the edge portion to the second holding portion through the holding surface of the first holding portion.Type: GrantFiled: June 24, 2016Date of Patent: May 8, 2018Assignee: OLYMPUS CORPORATIONInventor: Yusuke Takei