Patents by Inventor Yuma KASUYA
Yuma KASUYA 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: 11890410Abstract: A connector includes a first port, a second port, a first sealing member and a second sealing member. The first port and the first pipe sleeve portion are connected with each other such that at least a part of the first port and at least a part of the first pipe sleeve portion engage with each other by fitting and overlap with each other, and a first sealing member is positioned between two overlapping portions. The second port and the second pipe sleeve portion are connected with each other such that at least a part of the second port and at least a part of the second pipe sleeve portion engage with each other by fitting and push each other, and a second sealing member is positioned between two pushing portions.Type: GrantFiled: July 17, 2020Date of Patent: February 6, 2024Assignee: OLYMPUS CORPORATIONInventors: Kunitoshi Hiraga, Koji Yamaoka, Yuma Kasuya, Keita Kimura, Takefumi Uesugi, Shinya Torii
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Patent number: 11534561Abstract: An insufflation device includes: a gas feeding conduit for feeding a predetermined gas which is fed from a gas supply source into a body cavity; and a processor. The processor measures a gas feeding time period until a predetermined amount of the gas is fed according to a set pressure, measures a pressure in the body cavity, calculates a gas discharging time period based on the set pressure and a measurement result of the measured pressure; and adjusts a gas feeding flow rate of the gas according to a difference between the measured gas feeding time period and the calculated gas discharging time period.Type: GrantFiled: September 21, 2020Date of Patent: December 27, 2022Assignee: OLYMPUS CORPORATIONInventors: Yuma Kasuya, Takefumi Uesugi, Koji Yamaoka, Kunitoshi Hiraga, Shinya Torii, Keita Kimura
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Publication number: 20210290865Abstract: A connection unit for air feeding tube is a connection unit to which an air feeding tube is connectable and fixable and which includes: a first pipe having an opening through which gas from the air feeding tube flows in; a second pipe that is configured to be arrangeable substantially parallel to a surface of a bed used in an examination, and includes an opening through which the gas flows out; and an air feeding flow path which is formed to include the two openings and through which the gas is fed. When the air feeding tube is fixed to the connection unit for air feeding tube and is used, a part of the air feeding flow path for the gas is formed so as to pass through an area located at a position opposite to a gravitational direction with respect to a central axis of the second pipe.Type: ApplicationFiled: June 9, 2021Publication date: September 23, 2021Applicant: OLYMPUS CORPORATIONInventors: Motoyasu TOYAMA, Kunitoshi HIRAGA, Shinya TORII, Koji YAMAOKA, Takefumi UESUGI, Yuma KASUYA, Keita KIMURA
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Publication number: 20210290864Abstract: An insufflation system includes an insufflation device for supplying gas to a body cavity, and a suction device for suctioning the gas from the body cavity through a suction conduit at a suction flow rate. The insufflation device includes a flow rate sensor for measuring a gas feeding flow rate, a pressure sensor for measuring body cavity internal pressure, a first on-off valve for controlling the gas feeding flow rate, a second on-off valve for opening and closing the suction conduit, and a processor for opening the second on-off valve and controlling the first on-off valve to feed the gas at an amount when a first target gas feeding flow rate calculated from difference between the body cavity internal pressure and insufflation target pressure is lower than a threshold flow rate, the amount being obtained by adding the suction flow rate to the first target gas feeding flow rate.Type: ApplicationFiled: June 3, 2021Publication date: September 23, 2021Applicant: OLYMPUS CORPORATIONInventors: Koji YAMAOKA, Yuma KASUYA, Shinya TORII, Keita KIMURA, Kunitoshi HIRAGA, Takefumi UESUGI
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Publication number: 20210038061Abstract: An insufflation device includes: a gas feeding conduit through which a gas is supplied to a body cavity of a patient; a first open/close valve mounted on the gas feeding conduit, the first open/close valve being an electromagnetic valve configured to control a flow rate of the gas flowing through the gas feeding conduit by pulse width modulation; and a controller, the controller being configured to: detect a current value of a current which flows through the first open/close valve; calculate a resistance value of the first open/close valve based on the current value; determine a duty ratio of a pulse signal applied to the first open/close valve based on the resistance value and a target gas feeding flow rate of the gas supplied to a body cavity; and supply the pulse signal, an effective voltage of which is adjusted, to the first open/close valve.Type: ApplicationFiled: October 22, 2020Publication date: February 11, 2021Applicant: OLYMPUS CORPORATIONInventors: Takefumi UESUGI, Koji YAMAOKA, Yuma KASUYA, Shinya TORII, Keita KIMURA, Kunitoshi HIRAGA
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Publication number: 20210016022Abstract: A connector includes a first port, a second port, a first sealing member and a second sealing member. The first port and the first pipe sleeve portion are connected with each other such that at least a part of the first port and at least a part of the first pipe sleeve portion engage with each other by fitting and overlap with each other, and a first sealing member is positioned between two overlapping portions. The second port and the second pipe sleeve portion are connected with each other such that at least a part of the second port and at least a part of the second pipe sleeve portion engage with each other by fitting and push each other, and a second sealing member is positioned between two pushing portions.Type: ApplicationFiled: July 17, 2020Publication date: January 21, 2021Applicant: OLYMPUS CORPORATIONInventors: Kunitoshi HIRAGA, Koji YAMAOKA, Yuma KASUYA, Keita KIMURA, Takefumi UESUGI, Shinya TORII
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Publication number: 20210001059Abstract: An insufflation device includes: a gas feeding conduit for feeding a predetermined gas which is fed from a gas supply source into a body cavity; and a processor. The processor measures a gas feeding time period until a predetermined amount of the gas is fed according to a set pressure, measures a pressure in the body cavity, calculates a gas discharging time period based on the set pressure and a measurement result of the measured pressure; and adjusts a gas feeding flow rate of the gas according to a difference between the measured gas feeding time period and the calculated gas discharging time period.Type: ApplicationFiled: September 21, 2020Publication date: January 7, 2021Applicant: OLYMPUS CORPORATIONInventors: Yuma KASUYA, Takefumi UESUGI, Koji YAMAOKA, Kunitoshi HIRAGA, Shinya TORII, Keita KIMURA
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Publication number: 20200376206Abstract: A gas feeding apparatus includes first and second temperature sensors for measuring a temperature of an atmosphere that are disposed in a housing. The apparatus may also include a panel, a protrusion protruding forward from the panel, a first opening provided in the panel in a vicinity of the first temperature sensor, and a second opening provided in the panel in a vicinity of the second temperature sensor. The first temperature sensor and the second temperature sensor are separated by a predetermined distance in a horizontal direction and disposed below the protrusion.Type: ApplicationFiled: July 17, 2020Publication date: December 3, 2020Applicant: OLYMPUS CORPORATIONInventors: Kunitoshi HIRAGA, Shinya TORII, Koji YAMAOKA, Yuma KASUYA, Takefumi UESUGI, Keita KIMURA
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Publication number: 20200360049Abstract: A pipe for fluid supply includes: a pipe configured integrally with an air feeding conduit and a pressure measurement conduit; inlets of the air feeding conduit and the pressure measurement conduit; outlets of the air feeding conduit and the pressure measurement conduit; and tube connection portions provided at the respective inlets in the pipe such that an angle between a vertical direction of the respective inlets and a vertical direction of each the respective outlets is 30° to 60°.Type: ApplicationFiled: July 31, 2020Publication date: November 19, 2020Applicant: OLYMPUS CORPORATIONInventors: Shinya Torii, Kunitoshi HIRAGA, Koji YAMAOKA, Takefumi UESUGI, Yuma KASUYA, Keita KIMURA, Nanaho TOGI
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Patent number: 10195372Abstract: A pneumoperitoneum apparatus includes: a gas feeding conduit; a gas feeding flow rate variable section; a first pressure measurement section coupled with the gas feeding conduit; a conduit for pressure measurement; a conduit for pressure measurement coupling part coupled with the conduit for pressure measurement; a second pressure measurement section coupled with the conduit for pressure measurement coupling part, and configured to measure pressure in the conduit for pressure measurement; a gas leaking part configured to communicate the gas in the conduit for pressure measurement to an outside to leak the gas in the conduit by a predetermined leakage; and a control section configured to determine that the conduit for pressure measurement is crushed when pressure measured by the second pressure measurement section is smaller than a predetermined threshold.Type: GrantFiled: July 15, 2016Date of Patent: February 5, 2019Assignee: OLYMPUS CORPORATIONInventors: Kunitoshi Hiraga, Takefumi Uesugi, Koji Yamaoka, Yuma Kasuya
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Patent number: 9724481Abstract: A gas delivery system supplying a body cavity with a given gas includes a first guide pipe for supplying the given gas into the body cavity and a second guide pipe installed in the first guide pipe for supplying the given gas into the body cavity at a flow velocity that differs from that of the first guide pipe. A flow velocity of the given gas that is supplied from a first conduit which is formed by the first guide pipe and the second guide pipe is faster than a flow velocity of the given gas that is supplied from a second conduit which is formed in the second guide pipe.Type: GrantFiled: September 2, 2014Date of Patent: August 8, 2017Assignee: OLYMPUS CORPORATIONInventor: Yuma Kasuya
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Publication number: 20160325056Abstract: A pneumoperitoneum apparatus includes: a gas feeding conduit; a gas feeding flow rate variable section; a first pressure measurement section coupled with the gas feeding conduit; a conduit for pressure measurement; a conduit for pressure measurement coupling part coupled with the conduit for pressure measurement; a second pressure measurement section coupled with the conduit for pressure measurement coupling part, and configured to measure pressure in the conduit for pressure measurement; a gas leaking part configured to communicate the gas in the conduit for pressure measurement to an outside to leak the gas in the conduit by a predetermined leakage; and a control section configured to determine that the conduit for pressure measurement is crushed when pressure measured by the second pressure measurement section is smaller than a predetermined threshold.Type: ApplicationFiled: July 15, 2016Publication date: November 10, 2016Applicant: OLYMPUS CORPORATIONInventors: Kunitoshi HIRAGA, Takefumi UESUGI, Koji YAMAOKA, Yuma KASUYA
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Publication number: 20140371667Abstract: A gas delivery system supplying a body cavity with a given gas includes a first guide pipe for supplying the given gas into the body cavity and a second guide pipe installed in the first guide pipe for supplying the given gas into the body cavity at a flow velocity that differs from that of the first guide pipe. A flow velocity of the given gas that is supplied from a first conduit which is formed by the first guide pipe and the second guide pipe is faster than a flow velocity of the given gas that is supplied from a second conduit which is formed in the second guide pipe.Type: ApplicationFiled: September 2, 2014Publication date: December 18, 2014Inventor: Yuma KASUYA
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Publication number: 20130303852Abstract: A body cavity internal pressure regulating device is connected to an endoscope including a suction channel used for suction under manual control and a forceps channel used to insert an instrument into a body cavity, and the body cavity internal pressure regulating device regulates a body cavity internal pressure. A gas supply unit performs a gas supply through the forceps channel. A suction detection unit detects that suction is being performed under manual control through the suction channel. A control unit terminates the gas supply being performed by the gas supply unit according to a result of detection by the suction detection unit when the control unit detects that suction is being performed under manual control through the suction channel while the gas supply unit is performing a gas supply.Type: ApplicationFiled: May 20, 2013Publication date: November 14, 2013Inventors: Kunitoshi HIRAGA, Takefumi UESUGI, Yuma KASUYA