Patents Assigned to National University Corporation Shiga University of Medical Science
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Patent number: 12215142Abstract: A modified antibody fragment comprising an antibody fragment capable of binding to misfolded TDP-43, and a chaperone-mediated autophagy localizing signal peptide.Type: GrantFiled: March 15, 2019Date of Patent: February 4, 2025Assignee: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Makoto Urushitani, Yoshitaka Tamaki
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Publication number: 20250018188Abstract: An electric potential therapy device includes a negative voltage applying means, an electrostatic charge removing means, and a controller that controls the negative voltage applying means and the electrostatic charge removing means in a predetermined therapy time in which a therapy cycle is repeated a plurality of times, the therapy cycle consisting of a first and second period. The negative voltage applying means includes a negative voltage generator and an application electrode. The negative voltage generated by the negative voltage generator is applied to the living body through the application electrode. The controller charges the living body to a negative potential in the first period by controlling the negative voltage applying means to apply the negative voltage to the living body, and puts the living body into a non-charged state by controlling the electrostatic charge removing means to remove electrostatic charges from inside the living body in the second period.Type: ApplicationFiled: January 27, 2023Publication date: January 16, 2025Applicants: RAY & COMPANY INC., NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Saburo MIKATA, Takayoshi ABE, Hisakazu OGITA
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Patent number: 12186088Abstract: A recording device includes an acquisition unit configured to acquire vital signs through a sensor device having a plurality of electrodes, a recording unit configured to record a bipolar potential of a main channel which is defined by combining the plurality of electrodes, using the vital signs, an addition unit configured to add a mark to each waveform plotted based on variation of the bipolar potential over time, at a predetermined position on a time axis, and an adjusting unit configured to adjust a position of the mark added to each waveform. The adjusting unit is configured to adjust the position of the mark added to the bipolar potential of the main channel, based on bipolar potentials of reference channels including electrodes included in the main channel.Type: GrantFiled: January 14, 2020Date of Patent: January 7, 2025Assignees: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATIONInventors: Takashi Ashihara, Koji Takizawa, Takeshi Tsuchiya
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Patent number: 12048548Abstract: A display control device includes processing circuitry configured to: obtain an intracardiac electrocardiogram of a subject; generate visualization data representing an excitation state of a myocardium based on the intracardiac electrocardiogram; determine a type of excitation dynamics of the myocardium based on the visualization data; and display, on a stereoscopic image of a heart of the subject, a site from which the intracardiac electrocardiogram is obtained with a color in accordance with a ratio of the determined type of the excitation dynamics.Type: GrantFiled: March 10, 2022Date of Patent: July 30, 2024Assignees: NIHON KOHDEN CORPORATION, NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Kunihiko Kiuchi, Takashi Ashihara, Kaori Uchiyama, Akio Ota, Naoki Koura, Koji Takizawa
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Patent number: 11911004Abstract: A bending and extending device 1 comprises an elastic hollow guide unit 2 and a movable part 3 to be movably inserted into the guide unit 2. The movable part 3 is constituted, either partially or entirely, of a plurality of belt-like flexible parts 30a and 30b, which extend in the axial direction of the guide unit 2 and the flexible parts 30a and 30b are connected at distal ends.Type: GrantFiled: October 24, 2017Date of Patent: February 27, 2024Assignee: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Atsushi Yamada, Tohru Tani, Shigeyuki Naka, Shigehiro Morikawa
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Patent number: 11633716Abstract: An objective of the present disclosure is to provide an adsorption material that has a carrier material with retained physical strength, and efficiently adsorbs an immunosuppressive protein. The present disclosure provides an adsorption material for immunosuppressive protein. The adsorption material includes a water-insoluble carrier to which at least one nitrogen-containing compound selected from a polyamine represented by a predetermined formula and aliphatic amines represented by predetermined formulae is bound. A total content of amino groups on the water-insoluble carrier is more than 0 ?mol and 2500 ?mol or less per 1 g, and a content of primary amino groups on the water-insoluble carrier is 450 ?mol or less per 1 g.Type: GrantFiled: September 7, 2018Date of Patent: April 25, 2023Assignees: TORAY INDUSTRIES, INC., NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Junichi Kasuya, Ryo Matsunaga, Yoshiyuki Ueno, Yuji Ueda, Kazuo Teramoto, Kazumasa Ogasawara
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Publication number: 20220409229Abstract: Provided is a scissors-type medical treatment tool capable of not only local tissue fixation in an incision/cutting part but also heating on side surfaces of electrodes of a forceps/tweezers type. It has been found out that a tissue part in which tissue is nipped between blades and a tissue part which is brought into abutment against side surfaces of the blades can be heated simultaneously or sequentially by optimizing arrangement of microwave application electrodes and microwave receiver electrodes in a blade pair (in particular, by causing coagulation to be performed evenly on the left and right of the blades), and the present invention has therefore been achieved.Type: ApplicationFiled: June 20, 2020Publication date: December 29, 2022Applicant: National University Corporation Shiga University of Medical ScienceInventors: Tohru TANI, Shigeyuki NAKA, Atsushi YAMADA
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Publication number: 20220296153Abstract: A display control device includes processing circuitry configured to: obtain an intracardiac electrocardiogram of a subject; generate visualization data representing an excitation state of a myocardium based on the intracardiac electrocardiogram; determine a type of excitation dynamics of the myocardium based on the visualization data; and display, on a stereoscopic image of a heart of the subject, a site from which the intracardiac electrocardiogram is obtained with a color in accordance with a ratio of the determined type of the excitation dynamics.Type: ApplicationFiled: March 10, 2022Publication date: September 22, 2022Applicants: NIHON KOHDEN CORPORATION, NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Kunihiko KIUCHI, Takashi ASHIHARA, Kaori UCHIYAMA, Akio OTA, Naoki KOURA, Koji TAKIZAWA
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Patent number: 11414693Abstract: Disclosed is a method for quantifying phosphatidylinositol in a sample, comprising the following step: (1) treating the sample with phospholipase D and inositol dehydrogenase; and a kit for quantifying phosphatidylinositol, containing phospholipase D and inositol dehydrogenase.Type: GrantFiled: May 24, 2018Date of Patent: August 16, 2022Assignee: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventor: Shin-Ya Morita
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Publication number: 20220087590Abstract: A recording device includes: an acquisition unit (102) configured to acquire vital signs through a multi-electrode catheter (X) having a plurality of electrodes; a recording unit (104) configured to record a bipolar potential of a main channel which is defined by combining the plurality of electrodes, using the vital signs; an addition unit (32) configured to add a mark to each waveform plotted based on a potential of the bipolar potential, at a predetermined position on a time axis; and an adjusting unit (33) configured to adjust a position of the mark added to each waveform. The adjusting unit (33) is configured to adjust the position of the mark added to the bipolar potential of the main channel, based on bipolar potentials of reference channels including electrodes included in the main channel.Type: ApplicationFiled: January 14, 2020Publication date: March 24, 2022Applicants: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATIONInventors: Takashi ASHIHARA, Koji TAKIZAWA, Takeshi TSUCHIYA
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Patent number: 10890513Abstract: Provided are a cell-holding substrate holder for preparing an observation specimen, and a cell-holding substrate kit, wherein the cell-holding substrate can be easily attached and detached. Also provided is a method of preparing an observation specimen, wherein cell organelles can be satisfactorily observed using an optical microscope, while three problems of cell detachment, drying, and loss of the three-dimensional properties can be simultaneously solved. The cell-holding substrate holder comprises (1) a support plate 1 having a cell-holding substrate arrangement portion 12 having a window portion through which water can pass; and (2) a removable sandwiching plate 2, 3 which has a window portion through which water can pass, and is capable of working in conjunction with the support plate 1 to sandwich and fix a cell-holding substrate 9 in the cell-holding substrate arrangement portion 12. The cell-holding substrate kit 10 comprises the cell-holding substrate holder and a cell-holding substrate 9.Type: GrantFiled: September 14, 2016Date of Patent: January 12, 2021Assignees: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCE, JAPAN VILENE COMPANY, LTD.Inventors: Ken-ichi Mukaisho, Takanori Hattori, Takuya Iwasa, Masaaki Kawabe, Satoshi Kumagai
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Patent number: 10842564Abstract: It is an object to provide a surgical instrument capable of locally applying microwaves to a minute biological tissue. It has been found that microwaves can be transmitted to a tip of a tapered coaxial body (9) and that microwaves are radiated from the entire central conductor exposed in a major axis direction by decreasing a sectional area (preferably diameter) of a central conductor (1) and a sectional area (preferably inner diameter) of an external conductor gradually or in a step-by-step manner with a ratio between the sectional area (diameter) of the central conductor (1) and the sectional area (inner diameter) of the external conductor being set to be constant, thereby achieving the present invention.Type: GrantFiled: August 9, 2012Date of Patent: November 24, 2020Assignee: National University Corporation Shiga University of Medical ScienceInventors: Tohru Tani, Shigeyuki Naka, Hisanori Shiomi
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Publication number: 20200246776Abstract: An objective of the present disclosure is to provide an adsorption material that has a carrier material with retained physical strength, and efficiently adsorbs an immunosuppressive protein. The present disclosure provides an adsorption material for immunosuppressive protein. The adsorption material includes a water-insoluble carrier to which at least one nitrogen-containing compound selected from a polyamine represented by a predetermined formula and aliphatic amines represented by predetermined formulae is bound. A total content of amino groups on the water-insoluble carrier is more than 0 ?mol and 2500 ?mol or less per 1 g, and a content of primary amino groups on the water-insoluble carrier is 450 ?mol or less per 1 g.Type: ApplicationFiled: September 7, 2018Publication date: August 6, 2020Applicants: TORAY INDUSTRIES, INC., NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Junichi KASUYA, Ryo MATSUNAGA, Yoshiyuki UENO, Yuji UEDA, Kazuo TERAMOTO, Kazumasa OGASAWARA
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Publication number: 20200215253Abstract: An objective of the present disclosure is to provide an adsorption material that can selectively adsorb immunosuppressive leukocyte. The present disclosure provides an adsorption material for immunosuppressive leukocyte. The adsorption material includes a water-insoluble carrier to which at least one nitrogen-containing compound selected from a polyamine represented by a predetermined formula and aliphatic amines represented by predetermined formulae are bound. A form of the water-insoluble carrier is a fiber or a particle, a diameter of the fiber or the particle is 15 to 50 ?m, and an arithmetic mean roughness of a surface of the water-insoluble carrier is 0.1 to 3.0 ?m.Type: ApplicationFiled: September 7, 2018Publication date: July 9, 2020Applicants: TORAY INDUSTRIES, INC., NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Yoshiyuki UENO, Junichi KASUYA, Toru ARAKANE, Ryo MATSUNAGA, Yumiko SEKIYA, Yuji UEDA, Kazuo TERAMOTO, Kazumasa OGASAWARA
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Patent number: 10166040Abstract: It is an object to provide a surgical tool for excising a hard solid organ such as cirrhotic liver or cutting the organ into a groove without causing bleeding. The inventors of the present invention have found that an organ resection tool including a brush-like structure capable of performing microwave irradiation and/or a brush-like structure capable of receiving a microwave can achieve the above-mentioned object, to thereby arrive at the present invention (organ resection tool including a brush structure capable of performing microwave irradiation). For example, an organ can be crushed or scraped away by manually abrading the organ with a brush of a solid organ resection tool including a brush structure capable of performing microwave irradiation according to the present invention. Further, the organ can be concurrently coagulated through the microwave irradiation to stop bleeding.Type: GrantFiled: May 14, 2013Date of Patent: January 1, 2019Assignee: National University Corporation Shiga University Of Medical ScienceInventors: Tohru Tani, Shigeyuki Naka, Hiroya Akabori
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Publication number: 20180340869Abstract: Provided are a cell-holding substrate holder for preparing an observation specimen, and a cell-holding substrate kit, wherein the cell-holding substrate can be easily attached and detached. Also provided is a method of preparing an observation specimen, wherein cell organelles can be satisfactorily observed using an optical microscope, while three problems of cell detachment, drying, and loss of the three-dimensional properties can be simultaneously solved. The cell-holding substrate holder comprises (1) a support plate 1 having a cell-holding substrate arrangement portion 12 having a window portion through which water can pass; and (2) a removable sandwiching plate 2, 3 which has a window portion through which water can pass, and is capable of working in conjunction with the support plate 1 to sandwich and fix a cell-holding substrate 9 in the cell-holding substrate arrangement portion 12. The cell-holding substrate kit 10 comprises the cell-holding substrate holder and a cell-holding substrate 9.Type: ApplicationFiled: September 14, 2016Publication date: November 29, 2018Applicant: National University Corporation Shiga University of Medical ScienceInventor: Ken-ichi MUKAISHO
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Publication number: 20170290623Abstract: There is provided an energy device for surgical operation capable of suppressing fixation of body tissue, wherein a coating layer is formed on an outer periphery of a base material constituting an operational area portion transmitting energy in an energy device for surgical operation operating in the operational area portion, and is comprised of a base coating formed on the base material and an outermost coating formed on the base coating. The base coating is made from silicon oxide or a compound containing silicon oxide, and the outermost coating is made from polysiloxane or a compound containing polysiloxane or a compound containing a partly fluorinated polysiloxane, and the coating layer has a good adhesiveness and is applicable to a complicated form.Type: ApplicationFiled: July 13, 2015Publication date: October 12, 2017Applicants: TOCALO CO., LTD., NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Shinya MIKI, Megumi ADACHI, Toru TANI, Shigeyuki NAKA, Tomoharu SHIMIZU
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Patent number: 9289260Abstract: The solution of the problem to be solved is the provision of a means for determining timing both accurately and securely at which a treatment is shifted from gripping and coagulation (hemostasis or sealing) to resection by using a multifunctional treatment tool capable of exfoliation, gripping, coagulation (hemostasis or sealing) and resection of the treated region in a bipolar microwave treatment tool. A microwave surgical device control method and a device, in which the completion of coagulation (hemostasis or sealing) of tissue is detected and a microwave oscillation output is controlled by making use of the change in the direct current electric resistance value due to the reduction in the amount of water as the temperature rise of the tissue at the time of heating and coagulation of the tissue in the treated region with microwaves.Type: GrantFiled: March 25, 2008Date of Patent: March 22, 2016Assignee: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Tohru Tani, Shigeyuki Naka
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Publication number: 20140358165Abstract: Provided is a surgical instrument that is substitutable for an operation of placing each stitch with a threaded needle or a stapler. It is confirmed that, in a tissue suturing device including a clamping section, and a protruding section including a central conductor and/or an external conductor for applying a microwave, the protruding section and the clamping section bring fragmentary portions of tissues to be sutured into contact or overlap with each other, and coagulate and/or fix contact or overlap portions with the microwave, to thereby stitch the tissues to be sutured.Type: ApplicationFiled: December 14, 2012Publication date: December 4, 2014Applicant: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Tohru Tani, Shigeyuki Naka
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Publication number: 20140194865Abstract: It is an object to provide a surgical instrument capable of locally applying microwaves to a minute biological tissue. It has been found that microwaves can be transmitted to a tip of a tapered coaxial body (9) and that microwaves are radiated from the entire central conductor exposed in a major axis direction by decreasing a sectional area (preferably diameter) of a central conductor (1) and a sectional area (preferably inner diameter) of an external conductor gradually or in a step-by-step manner with a ratio between the sectional area (diameter) of the central conductor (1) and the sectional area (inner diameter) of the external conductor being set to be constant, thereby achieving the present invention.Type: ApplicationFiled: August 9, 2012Publication date: July 10, 2014Applicant: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Tohru Tani, Shigeyuki Naka, Hisanori Shiomi