Patents by Inventor Norikiyo Shibata
Norikiyo Shibata 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: 8663223Abstract: A surgical treatment apparatus includes a receptacle which is configured to abut onto a treatment section so that a predetermined clearance is formed between an electrode section and the treatment section when a grip member is closed relative to the treatment section. The surgical treatment apparatus includes a regulating section which is provided in the grip member so that a closing-direction end located on a closing-direction side of the grip member does not protrude from the receptacle toward the closing direction, the regulating section being made of a material harder than the receptacle, and a handle unit configured to operate the grip member so that the regulating section is closed up to a position where the regulating section contacts the treatment section except when the receptacle contacts the treatment section.Type: GrantFiled: October 26, 2011Date of Patent: March 4, 2014Assignee: Olympus CorporationInventors: Shinya Masuda, Hideo Sanai, Takeshi Onaga, Norikiyo Shibata
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Patent number: 8308721Abstract: A surgical system includes: a treatment portion for treating living body tissue targeted for treatment; an ultrasound supplying section for supplying ultrasound via ultrasound transducers which produce ultrasound vibration; a radio-frequency electrical power supplying section for supplying, to the treatment portion, radio-frequency electrical power having an output wave-form defined by a base frequency and a repetition frequency; and a controlling section for controlling at least one of a voltage root-mean-square value and a crest factor, so that the voltage peak value of the output wave-form of the radio-frequency electrical power does not exceed a fixed value.Type: GrantFiled: December 4, 2008Date of Patent: November 13, 2012Assignee: Olympus Medical Systems Corp.Inventors: Norikiyo Shibata, Sadayoshi Takami
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Patent number: 8303579Abstract: The surgical operation system includes a treatment section for treating a living tissue of a treatment target; an ultrasound generation section for providing ultrasound to the treatment section; an ultrasound drive power supply section for supplying ultrasound drive power to generate ultrasound to the ultrasound generation section; a high-frequency power supply section for supplying high-frequency power to the treatment section; an impedance detection section for detecting the impedance of the ultrasound provided to the living tissue and the impedance of the high-frequency power supplied to the living tissue; and a control section for controlling the ultrasound energy amount and the amount of high-frequency power or a crest factor value thereof in response to the detected impedance values of ultrasound and high-frequency wave.Type: GrantFiled: December 31, 2008Date of Patent: November 6, 2012Assignee: Olympus Medical Systems Corp.Inventor: Norikiyo Shibata
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Publication number: 20120101493Abstract: A surgical treatment apparatus includes a receptacle which is configured to abut onto a treatment section so that a predetermined clearance is formed between an electrode section and the treatment section when a grip member is closed relative to the treatment section. The surgical treatment apparatus includes a regulating section which is provided in the grip member so that a closing-direction end located on a closing-direction side of the grip member does not protrude from the receptacle toward the closing direction, the regulating section being made of a material harder than the receptacle, and a handle unit configured to operate the grip member so that the regulating section is closed up to a position where the regulating section contacts the treatment section except when the receptacle contacts the treatment section.Type: ApplicationFiled: October 26, 2011Publication date: April 26, 2012Inventors: Shinya MASUDA, Hideo SANAI, Takeshi ONAGA, Norikiyo SHIBATA
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Publication number: 20100168741Abstract: A surgical operation apparatus includes a probe to which ultrasonic vibration is transmitted, and a flat plate-like blade which is formed at a distal end part of the probe, and can simultaneously output ultrasonic vibration and a high-frequency current, wherein the blade includes a contact area reduction part for reducing an area of contact with the living tissue to thereby increase a current density of the high-frequency current.Type: ApplicationFiled: December 29, 2008Publication date: July 1, 2010Inventors: Hideo Sanai, Norikiyo Shibata, Satoshi Honma, Yusuke Tadami
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Publication number: 20100168742Abstract: The surgical operation system includes a treatment section for treating a living tissue of a treatment target; an ultrasound generation section for providing ultrasound to the treatment section; an ultrasound drive power supply section for supplying ultrasound drive power to generate ultrasound to the ultrasound generation section; a high-frequency power supply section for supplying high-frequency power to the treatment section; an impedance detection section for detecting the impedance of the ultrasound provided to the living tissue and the impedance of the high-frequency power supplied to the living tissue; and a control section for controlling the ultrasound energy amount and the amount of high-frequency power or a crest factor value thereof in response to the detected impedance values of ultrasound and high-frequency wave.Type: ApplicationFiled: December 31, 2008Publication date: July 1, 2010Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventor: Norikiyo SHIBATA
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Publication number: 20100145332Abstract: A surgical system includes: a treatment portion for treating living body tissue targeted for treatment; an ultrasound supplying section for supplying ultrasound via ultrasound transducers which produce ultrasound vibration; a radio-frequency electrical power supplying section for supplying, to the treatment portion, radio-frequency electrical power having an output wave-form defined by a base frequency and a repetition frequency; and a controlling section for controlling at least one of a voltage root-mean-square value and a crest factor, so that the voltage peak value of the output wave-form of the radio-frequency electrical power does not exceed a fixed value.Type: ApplicationFiled: December 4, 2008Publication date: June 10, 2010Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Norikiyo SHIBATA, Sadayoshi TAKAMI
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Publication number: 20080243162Abstract: A trocar is provided with an inner needle unit including an optical observing device and a puncture-assisting device that is provided on an outer peripheral face of the inner needle unit and assists puncture of the inner needle unit into a body cavity, where the puncture-assisting device includes at least one of an ultrasonic energy applying device and an electric energy applying device.Type: ApplicationFiled: April 2, 2007Publication date: October 2, 2008Inventors: Norikiyo Shibata, Naomi Sekino, Hideo Sanai
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Patent number: 6986686Abstract: A connector for medical instruments has an elongated plate-like electrode provided in a socket connected to a plug of the medical instrument and extending in a moving operation direction in which the socket is connected to the medical instrument and an elongated plate-like electrode provided in the plug and extending in a moving operation direction in which the socket is connected. The connector further has an annular wall provided in the plug to surround the electrode of the plug.Type: GrantFiled: February 21, 2002Date of Patent: January 17, 2006Assignee: Olympus CorporationInventors: Norikiyo Shibata, Shinya Masuda, Hitoshi Karasawa, Manabu Ishikawa
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Patent number: 6827724Abstract: An ultrasonic vibrator has a very versatile, simple structure without a rotational structure. In order to infallibly prevent drops of water from entering the inside of the casing of the vibrator even if autoclave sterilization is performed without a drying process, the ultrasonic vibrator has a connecting member and a partition member, each used as a barrier plate member making up the inside of the vibrator body. The ultrasonic vibrator additionally has O-rings disposed in a packing, an electrode, and an airtight cap. By the O-rings, water is prevented from entering a lumen of a transducer. The electrode is insulated by a sealing agent, and a short circuit is presented.Type: GrantFiled: May 20, 2002Date of Patent: December 7, 2004Assignee: Olympus CorporationInventor: Norikiyo Shibata
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Patent number: 6761698Abstract: An ultrasonic operation system includes: a transmission cable that is connected detachably, through a connector, to a connector receptacle in a main apparatus unit; plural types of transducers provided with a connector receptacle each capable of detachably connecting the connector of the transmission cable, an identification element for outputting its own identification signal, and a ultrasonic vibrator, correspondingly; and a main apparatus unit for receiving the identification signals in an identification circuit, automatically controlling drive signals that a control circuit causes a drive signal generator unit to generate, and automatically displaying the identified instrument on a control-display unit.Type: GrantFiled: July 27, 2001Date of Patent: July 13, 2004Assignee: Olympus CorporationInventors: Norikiyo Shibata, Mitsumasa Okada, Manabu Ishikawa, Tomohisa Sakurai, Hitoshi Karasawa
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Publication number: 20020177373Abstract: A connector for medical instruments has an elongated plate-like electrode provided in a socket connected to a plug of the medical instrument and extending in a moving operation direction in which the socket is connected to the medical instrument and an elongated plate-like electrode provided in the plug and extending in a moving operation direction in which the socket is connected. The connector further has an annular wall provided in the plug to surround the electrode of the plug.Type: ApplicationFiled: February 21, 2002Publication date: November 28, 2002Applicant: Olympus Optical Co., Ltd.Inventors: Norikiyo Shibata, Shinya Masuda, Hitoshi Karasawa, Manabu Ishikawa
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Publication number: 20020143321Abstract: An ultrasonic vibrator has a very versatile, simple structure without a rotational structure. In order to infallibly prevent drops of water from entering the inside of the casing of the vibrator even if autoclave sterilization is performed without a drying process, the ultrasonic vibrator has a connecting member and a partition member, each used as a barrier plate member making up the inside of the vibrator body. The ultrasonic vibrator additionally has O-rings disposed in a packing,, an electrode, and an airtight cap. By the O-rings, water is prevented from entering a lumen of a transducer. The electrode is insulated by a sealing agent, and a short circuit is presented.Type: ApplicationFiled: May 20, 2002Publication date: October 3, 2002Applicant: Olympus Optical Co., Ltd.Inventor: Norikiyo Shibata
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Publication number: 20020107538Abstract: An ultrasonic operation system comprises: a transmission cable that is connected detachably, through a connector, to a connector receptacle in a main apparatus unit; plural types of transducers provided with a connector receptacle each capable of detachably connecting the connector of the transmission cable, an identification element for outputting its own identification signal, and a ultrasonic vibrator, correspondingly; and a main apparatus unit for receiving the identification signals in an identification circuit, automatically controlling drive signals that a control circuit causes a drive signal generator unit to generate, and automatically displaying the identified instrument on a control-display unit.Type: ApplicationFiled: July 27, 2001Publication date: August 8, 2002Inventors: Norikiyo Shibata, Mitsumasa Okada, Manabu Ishikawa, Tomohisa Sakurai, Hitoshi Karasawa
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Patent number: 6425907Abstract: A hand-piece comprises an arm main body which moves relative to a grip section, and an arm section having a clamp member openable and closable with respect to a probe section. As a result of movement of the arm main body relative to the grip section, the clamp member is shifted between a closure position in which the clamp member cooperates with the probe section to hold living tissue between the clamp member and the probe section, and an open position in which the clamp member is separated from the probe section to release the living tissue.Type: GrantFiled: June 23, 2000Date of Patent: July 30, 2002Assignee: Olympus Optical Co., Ltd.Inventors: Norikiyo Shibata, Makoto Miyawaki, Mitsumasa Okada
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Patent number: 6416525Abstract: An ultrasonic vibrator has a very versatile, simple structure without a rotational structure. In order to infallibly prevent drops of water from entering the inside of the casing of the vibrator even if autoclave sterilization is performed without a drying process, the ultrasonic vibrator has a connecting member and a partition member, each used as a barrier plate member making up the inside of the vibrator body. The ultrasonic vibrator additionally has O-rings disposed in a packing, an electrode, and an airtight cap. By the O-rings, water is prevented from entering a lumen of a transducer. The electrode is insulated by a sealing agent, and a short circuit is prevented.Type: GrantFiled: June 6, 2000Date of Patent: July 9, 2002Assignee: Olympus Optical Co., Ltd.Inventor: Norikiyo Shibata
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Patent number: 6193709Abstract: An ultrasonic treatment apparatus according to the present invention comprises an ultrasonic transducer for generating ultrasonic vibration, a vibration transmitting member for transmitting the ultrasonic vibration generated by the ultrasonic transducer, the vibration transmitting member having a proximal end connected to the ultrasonic transducer and a distal end portion used to treat a living organism by means of the transmitted ultrasonic vibration, a grasping member opposed to the distal end portion of the vibration transmitting member and having a grasping surface capable of grasping the living organism in cooperation with the distal end portion, an operating mechanism for moving the grasping member between a closed position in which the grasping member engages the distal end portion of the vibration transmitting member and an open position in which the grasping member is separated from distal end portion, and a follow-up mechanism for driving or allowing the grasping member in the closed position to folType: GrantFiled: May 12, 1999Date of Patent: February 27, 2001Assignee: Olympus Optical Co., Ltd.Inventors: Makoto Miyawaki, Toshihiko Hashiguchi, Mitsumasa Okada, Norikiyo Shibata
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Patent number: 6165191Abstract: An ultrasonic treating tool comprises a gripping section incorporating an ultrasonic vibration element for generating an ultrasonic vibration, a vibration transmitting section for transmitting a vibration from the ultrasonic vibration element to a distal end, a clamping member opened and closed relative to the probe, and a handle provided at the gripping section to open and close the clamping member, in which a force applying point of the handle is displaced more on a proximal end side than at a swing center of the handle and the acting direction of a force application point is toward and away from the gripping section.Type: GrantFiled: May 25, 1999Date of Patent: December 26, 2000Assignee: Olympus Optical Co., Ltd.Inventors: Norikiyo Shibata, Kenichi Kimura
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Patent number: 6139561Abstract: A hand-piece comprises an arm main body which moves relative to a grip section, and an arm section having a clamp member openable and closable with respect to a probe section. As a result of movement of the arm main body relative to the grip section, the clamp member is shifted between a closure position in which the clamp member cooperates with the probe section to hold living tissue between the clamp member and the probe section, and an open position in which the clamp member is separated from the probe section to release the living tissue.Type: GrantFiled: February 16, 1999Date of Patent: October 31, 2000Assignee: Olympus Optical Co., Ltd.Inventors: Norikiyo Shibata, Makoto Miyawaki, Mitsumasa Okada
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Patent number: 6099537Abstract: A medical treatment instrument is provided with a treatment section for treating issue, an insertion section which has at one end the treatment section, and an operating section which is provided at the other end of the insertion section, operates the treatment section, and has a fixed portion and a movable portion. The treatment section is actuated by pivoting the movable portion with respect to the fixed portion. The medical treatment instrument is further provided with an actuating main body and a cover. The cover is displaceable between a first position in which the medical treatment instrument is used and a second position in which the inside of the operating section is uncovered.Type: GrantFiled: February 25, 1997Date of Patent: August 8, 2000Assignee: Olympus Optical Co., Ltd.Inventors: Toshiya Sugai, Hiroyuki Nagamizu, Minoru Tsuruta, Yoshihito Shimizu, Toshihiko Suzuta, Norikiyo Shibata, Shinichi Nishigaki, Naoki Uchiyama, Yoshinao Oaki