Patents by Inventor Tsuyoshi Hayashida
Tsuyoshi Hayashida 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: 9974596Abstract: A high-frequency control unit includes an integration value calculator calculating a measured integration value, which is a measured value of an integration value of an output high-frequency electric power from an output start time, with a passage of time. The high-frequency control unit includes a target locus setting section setting target locus which indicates, with a passage of time, a target integration value that is a target value of the integration value of the output high-frequency electric power from the output start time, and a controller comparing, with a passage of time, the measured integration value with the target locus, and controlling, with a passage of time, an output state of the high-frequency electric power based on a comparison result.Type: GrantFiled: September 13, 2016Date of Patent: May 22, 2018Assignee: OLYMPUS CORPORATIONInventors: Sadayoshi Takami, Tsuyoshi Hayashida
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Publication number: 20180116709Abstract: A therapeutic treatment system includes a holding section configured to hold a biological tissue, electrodes provided in the holding section and capable of outputting first high-frequency energy for sealing the biological tissue at a first sealing temperature and second high-frequency energy for dissecting the biological tissue at a first dissection temperature higher than the first sealing temperature, electrodes provided in the holding section and capable of outputting first thermal energy for sealing the biological tissue at a second sealing temperature higher than the first sealing temperature and second thermal energy for dissecting the biological tissue at a second dissection temperature lower than the first dissection temperature and higher than the second sealing temperature, and a control section configured to control temperature of each of the electrodes to output the second thermal energy after the output of the first high-frequency energy.Type: ApplicationFiled: December 29, 2017Publication date: May 3, 2018Applicant: OLYMPUS CORPORATIONInventors: Yoshitaka Honda, Tsuyoshi Hayashida, Kazue Tanaka, Sumihito Konishi
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Publication number: 20180092686Abstract: An energy treatment instrument includes a first grasping piece, and a second grasping piece opening and closing relative to the first grasping piece and grasping a treated target between the first grasping piece and the second grasping piece. An actuation state of the energy treatment instrument is switched between a first mode in which the treated target is coagulated when a forceps does not exist in a predetermined range from a position where the treated target is grasped, and a second mode in which the treated target is coagulated when the forceps exists in the predetermined range.Type: ApplicationFiled: December 5, 2017Publication date: April 5, 2018Applicant: OLYMPUS CORPORATIONInventors: Tsuyoshi Hayashida, Satomi Sakao
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Patent number: 9901388Abstract: An electrosurgical instrument connectivity system providing monopolar and bipolar plugs each having a plurality of conductors which allow for use of combination monopolar/bipolar electrosurgical devices with industry standard electrosurgical generator outlets.Type: GrantFiled: March 13, 2014Date of Patent: February 27, 2018Assignee: Gyrus ACMI, Inc.Inventors: Kester J. Batchelor, Richard Curtis, Jyue Boon (Jonas) Lim, Tsuyoshi Hayashida, John Mensch
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Publication number: 20180042662Abstract: An operation method of an electric power source device for operating a high-frequency treatment instrument configured to perform a high-frequency treatment on a biological tissue includes causing a high-frequency electric power source circuit to output electric power; acquiring an initial impedance value in a first period from a start of the output; determining an increase rate of an output voltage relative to time; increasing the output voltage of the high-frequency electric power source circuit in accordance with the increase rate in a second period; acquiring the value relating to impedance of the biological tissue in the second period; and terminating the second period after the value relating to the impedance reaches a minimum value.Type: ApplicationFiled: October 16, 2017Publication date: February 15, 2018Applicant: OLYMPUS CORPORATIONInventors: Danilo LEGASPI, Tsuyoshi HAYASHIDA
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Patent number: 9888959Abstract: A therapeutic treatment system includes a holding section configured to hold a biological tissue, electrodes provided in the holding section and capable of outputting first high-frequency energy for sealing the biological tissue at a first sealing temperature and second high-frequency energy for dissecting the biological tissue at a first dissection temperature higher than the first sealing temperature, electrodes provided in the holding section and capable of outputting first thermal energy for sealing the biological tissue at a second sealing temperature higher than the first sealing temperature and second thermal energy for dissecting the biological tissue at a second dissection temperature lower than the first dissection temperature and higher than the second sealing temperature, and a control section configured to control temperature of each of the electrodes to output the second thermal energy after the output of the first high-frequency energy.Type: GrantFiled: July 6, 2016Date of Patent: February 13, 2018Assignee: OLYMPUS CORPORATIONInventors: Yoshitaka Honda, Tsuyoshi Hayashida, Kazue Tanaka, Sumihito Konishi
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Publication number: 20170319263Abstract: An electrosurgical instrument connectivity system providing monopolar and bipolar plugs each having a plurality of conductors which allow for use of combination monopolar/bipolar electrosurgical devices with industry standard electrosurgical generator outlets.Type: ApplicationFiled: July 25, 2017Publication date: November 9, 2017Inventors: Kester J. Batchelor, Richard Curtis, Jyue Boon (Jonas) Lim, Tsuyoshi Hayashida, John Mensch
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Patent number: 9801649Abstract: A treatment device includes a probe having a treatment portion to treat a biological tissue by using the ultrasonic vibration generated in an ultrasonic transducer; an action portion being able to be close to and away from the treatment portion and including a pressing portion that presses the biological tissue to the treatment portion; and a vibration damping portion disposed in a part of the pressing portion in a state of facing the treatment portion, moving following the treatment portion to which the ultrasonic vibration is transmitted when abutting on the treatment portion in a state where the ultrasonic vibration is transmitted to the treatment portion, and prevented from being grinded by the treatment portion to which the ultrasonic vibration is transmitted.Type: GrantFiled: April 26, 2016Date of Patent: October 31, 2017Assignee: OLYMPUS CORPORATIONInventors: Tsunetaka Akagane, Yoshitaka Honda, Tsuyoshi Hayashida, Tadashi Kitayama
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Publication number: 20170303988Abstract: An operation method of an electric power source device for operating a high-frequency treatment instrument configured to perform a high-frequency treatment on a biological tissue includes causing a high-frequency electric power source circuit to output electric power; specifying an initial state of the biological tissue; acquiring a value relating to an impedance of the biological tissue; determining an additional impedance value based on the initial state; setting a stop impedance value which is the sum of the additional impedance value and a change-over impedance value; and causing the high-frequency electric power source circuit to stop the output, if the value relating to the impedance reaches the stop impedance value after the value relating to the impedance reached the change-over impedance value.Type: ApplicationFiled: July 10, 2017Publication date: October 26, 2017Applicant: OLYMPUS CORPORATIONInventors: Tsuyoshi HAYASHIDA, Danilo LEGASPI
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Patent number: 9795437Abstract: An electrosurgical treatment system includes an output section that supplies a high-frequency output to a treatment instrument, a detecting section that detects a voltage and an electric current of the high-frequency output in the output section, a phase-difference detecting section that calculates a phase difference between the detected voltage and electric current, and a control section that switches, on the basis of a change in the phase difference, a first phase for drying a biological tissue by applying the high-frequency output to the biological tissue while increasing the voltage to a second phase for coapting the biological tissue by performing, with a set value of a voltage determined according to a voltage value of the high-frequency output at an end point in time of the first phase, constant voltage control.Type: GrantFiled: September 2, 2016Date of Patent: October 24, 2017Assignee: OLYMPUS CORPORATIONInventors: Sadayoshi Takami, Tsuyoshi Hayashida
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Patent number: 9782218Abstract: A thermocoagulation/cutting device 11 includes an exothermic part 13 made of a meta; a first current supply portion 41 projecting integrally from the exothermic part 13; a second current supply portion 42 projecting integrally from the exothermic part 13; and a third current supply portion 43 projecting integrally from the exothermic part 13. The thermocoagulation/cutting device 11 includes a controller 16. The controller 16 is capable of causing an electric current to flow between the first current supply portion 41 and second current supply portion 42, between the first current supply portion 41 and third current supply portion 43, or between the second current supply portion 42 and third current supply portion 43.Type: GrantFiled: May 13, 2016Date of Patent: October 10, 2017Assignee: OLYMPUS CORPORATIONInventors: Sumihito Konishi, Tsuyoshi Hayashida, Yoshitaka Honda
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Publication number: 20170258515Abstract: A power supply apparatus is for a treatment instrument including a probe having electrical conductivity which vibrates, a grasping member that is opened and closed with respect to the probe and an electrode provided in the grasping member. The power supply apparatus supplies high-frequency power between the probe and the electrode. The power supply apparatus includes a resistance acquisition circuit which repeatedly acquires a resistance value of electrical resistance between the probe and the electrode, a condition determination circuit which acquires the number of times the resistance value satisfies a predetermined condition while the probe is vibrating and power is supplied between the probe and the electrode, and a determination circuit which determines whether or not the probe and the electrode are electrically short-circuited based on the number of times.Type: ApplicationFiled: May 31, 2017Publication date: September 14, 2017Applicant: OLYMPUS CORPORATIONInventors: Tsunetaka AKAGANE, Ko KAWASHIMA, Tsuyoshi HAYASHIDA
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Patent number: 9717524Abstract: An apparatus includes a hollow sleeve member with an open interior section and a sleeve proximal and a sleeve distal end. Two or more probes are disposed within the open interior section and extending beyond the sleeve distal end when in a deployed position. Distal ends of the probes have a lateral space between each other. One or more tissue manipulators are disposed at the distal end of each of the at least two probes. The hollow sleeve member and the two or more probes move axially relative to each other to reduce the lateral space. A method of closing a vaginal cuff of a vaginal canal is also provided.Type: GrantFiled: January 21, 2015Date of Patent: August 1, 2017Assignee: Gyrus ACMI, Inc.Inventors: Tsuyoshi Hayashida, Kester J. Batchelor
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Patent number: 9687291Abstract: A treatment system comprises a first power supply apparatus and a second power supply apparatus each connectable with a surgical device and a neutral electrode, the first power supply apparatus being electrically connected with the second power supply apparatus, the treatment system treating a living tissue while performing transmission and reception of information between the first and second power supply apparatuses, wherein, in a case where the neutral electrode is connected to only one of the first and second power supply apparatuses, an output of the surgical device connected to the second power supply apparatus is inhibited during an output of the surgical device connected to the first power supply apparatus, and the output of the surgical device connected to the first power supply apparatus is inhibited during the output of the surgical device connected to the second power supply apparatus.Type: GrantFiled: November 27, 2015Date of Patent: June 27, 2017Assignee: OLYMPUS CORPORATIONInventors: Ko Shimizu, Yoshitaka Honda, Sumihito Konishi, Tsuyoshi Hayashida, Akinori Kabaya
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Publication number: 20170164996Abstract: A power supply device for a high-frequency treatment instrument includes an output section, a characteristic detector, and a stop signal generator. The output section outputs power having a first frequency supplied to the high-frequency treatment instrument. The characteristic detector detects a characteristic signal generated before the power outputted from the output section becomes excessive, the characteristic signal having a second frequency higher than the first frequency and being included in a signal related to the power. The stop signal generator outputs a stop signal to stop or reduce an output of the power from the output section when the characteristic signal is detected.Type: ApplicationFiled: March 1, 2017Publication date: June 15, 2017Applicant: OLYMPUS CORPORATIONInventors: Satoshi HONDA, Tsuyoshi HAYASHIDA
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Publication number: 20160374746Abstract: A high-frequency control unit includes an integration value calculator calculating a measured integration value, which is a measured value of an integration value of an output high-frequency electric power from an output start time, with a passage of time. The high-frequency control unit includes a target locus setting section setting target locus which indicates, with a passage of time, a target integration value that is a target value of the integration value of the output high-frequency electric power from the output start time, and a controller comparing, with a passage of time, the measured integration value with the target locus, and controlling, with a passage of time, an output state of the high-frequency electric power based on a comparison result.Type: ApplicationFiled: September 13, 2016Publication date: December 29, 2016Applicant: OLYMPUS CORPORATIONInventors: Sadayoshi TAKAMI, Tsuyoshi HAYASHIDA
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Publication number: 20160367308Abstract: An electrosurgical treatment system includes an output section that supplies a high-frequency output to a treatment instrument, a detecting section that detects a voltage and an electric current of the high-frequency output in the output section, a phase-difference detecting section that calculates a phase difference between the detected voltage and electric current, and a control section that switches, on the basis of a change in the phase difference, a first phase for drying a biological tissue by applying the high-frequency output to the biological tissue while increasing the voltage to a second phase for coapting the biological tissue by performing, with a set value of a voltage determined according to a voltage value of the high-frequency output at an end point in time of the first phase, constant voltage control.Type: ApplicationFiled: September 2, 2016Publication date: December 22, 2016Applicant: OLYMPUS CORPORATIONInventors: Sadayoshi TAKAMI, Tsuyoshi HAYASHIDA
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Publication number: 20160346033Abstract: An electrosurgical device: forceps having: a first working arm, a second working arm, wherein the electrosurgical device has a first electrosurgical configuration where the first working arm and the second working arm are in an opposed position so that the forceps deliver a first therapy current that flows between the first working arm and the second working arm; and wherein the electrosurgical device has a second electrosurgical configuration when the first working arm, the second working arm, or both are repositionable relative to each other so that the first working arm is extended with respect to the second working arm or vice versa and a second therapy current is delivered from the first working arm to a remote electrode.Type: ApplicationFiled: August 12, 2016Publication date: December 1, 2016Inventors: Kester J. Batchelor, Nikhil M. Murdeshwar, Jyue Boon (Jonas) Lim, Dennis G. Lamser, Tsuyoshi Hayashida, Richard J. Curtis, Theodore Blus, Riyad Moe, Ryan Windgassen
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Publication number: 20160310207Abstract: A therapeutic treatment system includes a holding section configured to hold a biological tissue, electrodes provided in the holding section and capable of outputting first high-frequency energy for sealing the biological tissue at a first sealing temperature and second high-frequency energy for dissecting the biological tissue at a first dissection temperature higher than the first sealing temperature, electrodes provided in the holding section and capable of outputting first thermal energy for sealing the biological tissue at a second sealing temperature higher than the first sealing temperature and second thermal energy for dissecting the biological tissue at a second dissection temperature lower than the first dissection temperature and higher than the second sealing temperature, and a control section configured to control temperature of each of the electrodes to output the second thermal energy after the output of the first high-frequency energy.Type: ApplicationFiled: July 6, 2016Publication date: October 27, 2016Applicant: OLYMPUS CORPORATIONInventors: Yoshitaka HONDA, Tsuyoshi HAYASHIDA, Kazue TANAKA, Sumihito KONISHI
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Publication number: 20160278804Abstract: A treatment device includes a support section having conductivity, for which a separate position separated from the probe is switched to a support position at which the support section abuts the probe to support the probe when bent in a direction off of the central axis in accordance with a load which is applied to the probe, and subserviently moved with the vibration of the probe. The support section absorbs the vibration transmitted in the probe when the support section is at the support position.Type: ApplicationFiled: June 7, 2016Publication date: September 29, 2016Applicant: OLYMPUS CORPORATIONInventors: Tsunetaka AKAGANE, Yoshitaka HONDA, Tsuyoshi HAYASHIDA