Patents Assigned to Nihon Kohden Corporation
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Patent number: 10856762Abstract: An atrial fibrillation detecting device includes a processor and a memory that stores a computer-readable command. When the computer-readable command is executed by the processor, the atrial fibrillation detecting device is configured to acquire pulse data representing a plurality of pulses, calculate a pulse rate based on the pulse data, calculate respective pulse amplitude indices of the plurality of pluses based on the pulse data, calculate an amplitude dispersion of the pulse amplitude indices based on the calculated pulse amplitude indices, calculate respective pulse interval indices of the plurality of pluses based on the pulse data, calculate an interval dispersion of the pulse interval indices based on the calculated pulse interval indices, and determine whether the pulse data is atrial fibrillation, based on the calculated pulse rate, the calculated amplitude dispersion, and the calculated interval dispersion.Type: GrantFiled: December 22, 2017Date of Patent: December 8, 2020Assignee: NIHON KOHDEN CORPORATIONInventor: Takashi Kaiami
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Patent number: 10835187Abstract: A physiological information display device includes: a display on which a numerical value corresponding to physiological information of a subject is displayed; a memory that stores a program; and a processor that executes the program to change a number of significant digits of the numerical value that is to be displayed on the display. In the device, the numerical value contains a first digit and a second digit, the first digit is always displayed in a first size and in a first area of the display, the number of significant digits is changed depending on whether the second digit is displayed in a second size and in a second area of the display or is not displayed, the second size being smaller than the first size, and a position and size of the first area are not changed even when the second digit is displayed.Type: GrantFiled: June 14, 2019Date of Patent: November 17, 2020Assignee: Nihon Kohden CorporationInventors: Yoshinori Ueda, Kazumasa Ito, Hideki Fujisaki
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Patent number: 10839668Abstract: An alarm information processing apparatus includes: a setter that sets a threshold about alarm information; an accumulator that accumulates alarms occurring within a predetermined period of time; and a determiner that determines whether the alarm information accumulated by the accumulator exceeds the threshold set by the setter. In the apparatus, the setter sets a threshold about a number of times of occurrence of the alarms, as the threshold about the alarm information, and the accumulator accumulates the number of times of occurrence of the alarms as the alarm information.Type: GrantFiled: July 11, 2019Date of Patent: November 17, 2020Assignee: NIHON KOHDEN CORPORATIONInventors: Shinji Tezuka, Rie Muneshima
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Patent number: 10839662Abstract: An alarm information processing apparatus includes: an acquirer that acquires alarm information generated in a predetermined period of time and identification information; at least one processor configured to: select first alarm information together with first identification information and second alarm information together with second identification information; and analyze statistics about the first alarm information and the second alarm information; and an output configured to output the statistics about alarms analyzed by the processor in a comparable form.Type: GrantFiled: July 2, 2019Date of Patent: November 17, 2020Assignee: NIHON KOHDEN CORPORATIONInventors: Shinji Tezuka, Rie Muneshima, Hiroko Hagiwara, Kaoru Yamano
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Patent number: 10830737Abstract: A detecting device 100 detects an elastic wave propagating through the air. The detecting device 100 includes: a first electrode 12 that is a plate having a cantilever structure with a fixed end FX and a free end FR and that vibrates by being bent by the elastic wave; and a second electrode 32 that is a plate, that is opposed to the first electrode, and that has a predetermined distance from the first electrode. The detecting device 100 detects the elastic wave on the basis of a change in capacitance between the first electrode and the second electrode 32. An end of the second electrode 32 in a direction from the fixed end FX to the free end FR is closer to the fixed end than the free end.Type: GrantFiled: February 20, 2018Date of Patent: November 10, 2020Assignees: TOHOKU UNIVERSITY, NIHON KOHDEN CORPORATIONInventors: Takahito Ono, Yoshinobu Ono
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Patent number: 10827933Abstract: A patient monitoring system is provided. A sensor is attached to a subject. A processor acquires physiological information of the subject, and detects an occurrence of an event. A communication interface is wirelessly communicable with a remote device through a communication network. When the processor detects an occurrence of the event, a power supplying member supplies a first electric power that is necessary for transmission of physiological information to the remote device, to the communication interface. When an occurrence of the event is not detected, the power supplying member supplies a second electric power that is lower than the first electric power, to the communication interface.Type: GrantFiled: June 12, 2019Date of Patent: November 10, 2020Assignee: NIHON KOHDEN CORPORATIONInventor: Fumiyuki Matsumura
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Publication number: 20200330744Abstract: An electrode package includes an electrode pad to be attached to a subject, the electrode pad having a gel layer, a lead wire having one end electrically coupled to the gel layer, and a packaging cover having an opening portion, the opening portion being sealed such that the electrode pad and a part of the lead wire are housed inside the packaging cover. A sealing width in at least a part of a section where the packaging cover is sealed together with the lead wire is narrower than a sealing width in a section where only the packaging cover is sealed. A sealing apparatus is configured to seal the packaging cover.Type: ApplicationFiled: June 22, 2020Publication date: October 22, 2020Applicant: Nihon Kohden CorporationInventor: Michio KANEMOTO
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Patent number: 10806357Abstract: The disclosed subject matter related to methods and apparatus for determining brain swelling in a patient as well as predicting an increase in intracranial pressure in the patient. The apparatus can include a transducer such as an ultrasound transducer communicatively connected to a controller via wires or via wireless communications device(s). A monitor and/or alarm device can be provided to notify a practitioner when the controller has determined brain swelling is occurring and/or when an imminent increase in intracranial pressure is likely to occur.Type: GrantFiled: July 25, 2018Date of Patent: October 20, 2020Assignee: NIHON KOHDEN CORPORATIONInventor: Kirk Watson Beach
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Patent number: 10791941Abstract: A venous pressure measurement apparatus includes a pressure controller configured to change a pressure applied from a cuff to a portion of a body where a vein and an artery exist and to which the cuff is attached, a pulse wave detector configured to detect pulse waves from a pressure the cuff receives from the portion of the body, and a venous pressure calculating section configured to calculate a venous pressure based on the applied pressure and the pulse waves detected by the pulse wave detector during a period in which the applied pressure is changed. The pressure controller is configured to execute a plurality of measurement steps, the applied pressure being increased or reduced from an initial value in each of the measurement steps.Type: GrantFiled: August 3, 2016Date of Patent: October 6, 2020Assignee: NIHON KOHDEN CORPORATIONInventors: Teiji Ukawa, Haruka Morimoto
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Patent number: 10791942Abstract: A pulse wave analyzing apparatus comprises an acquiring section (11) which acquires a pulse wave that is non-invasively measured, and an analyzer (12) which calculates data on the frequency axis by using the pulse wave, and which obtains the index value of the respiratory-induced variation based on the calculated data on the frequency axis.Type: GrantFiled: December 3, 2015Date of Patent: October 6, 2020Assignees: HIROSHIMA UNIVERSITY, NIHON KOHDEN CORPORATIONInventors: Masashi Kawamoto, Noboru Saeki, Ryuji Nakamura, Teiji Ukawa, Tsuneo Takayanagi, Haruka Morimoto
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Patent number: 10798815Abstract: A protection circuit module includes an insulating substrate, a first surge withstand chip resistor mounted on a pair of first pads formed on one surface of the insulating substrate, a second surge withstand chip resistor mounted on a pair of second pads formed on the other surface of the insulating substrate, and arranged at a position on the other surface of the insulating substrate overlapping the first surge withstand chip resistor in a plan view, a first wiring coupled to one first pad, a second wiring coupled to one second pad, a third wiring coupling the other first pad and the other second pad to the same potential, and a shield wiring provided on an inner layer of the insulating substrate and arranged in a region in which at least the one first pad and the one second pad oppose each other.Type: GrantFiled: December 7, 2018Date of Patent: October 6, 2020Assignees: SHINKO ELECTRIC INDUSTRIES CO., LTD., NIHON KOHDEN CORPORATIONInventors: Tatsuaki Denda, Norihito Konno, Minori Hosoi
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Patent number: 10791953Abstract: A headwear for electroencephalography is provided. The headwear includes a first arm to be attached to an area extending from a forehead or an occiput of a subject to a top of a head of the subject and configured to hold a first electroencephalogram electrode, a second arm connected to the first arm to be attached to a lateral side of the head of the subject and configured to hold a second electroencephalogram electrode, a third arm connected to the first arm to be attached to another lateral side of the head of the subject and configured to hold a third electroencephalogram electrode, a stretchable support member connectable to the first to third arms to cover at least a portion of the head in a direction toward the first arm, and at least one adjusting mechanism to adjust tightness of the first to third arms to the head.Type: GrantFiled: May 16, 2016Date of Patent: October 6, 2020Assignee: NIHON KOHDEN CORPORATIONInventors: Kaoru Imajo, Shogo Shirasaka, Yasushi Okitsu, Satoru Uchinuma, Norihide Shimizu
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Publication number: 20200291350Abstract: The presently disclosed subject matter is to provide a hepatocyte structure, particularly, a hepatocyte structure that mimics nonalcoholic steatohepatitis (NASH). A hepatocyte construct including an aggregate containing hepatocytes and adherent cells that are non-hepatocytes, and wherein the hepatocytes include ballooned hepatocytes is provided. Further, a method for producing a hepatocyte construct, comprising: (i) forming an aggregate by aggregating a cell group comprising hepatocytes and adherent cells that are non-hepatocytes; and (ii) culturing the aggregate is provided.Type: ApplicationFiled: July 3, 2019Publication date: September 17, 2020Applicants: NIHON KOHDEN CORPORATION, TOKYO WOMEN'S MEDICAL UNIVERSITYInventors: Botao GAO, Yuki KAGAWA, Tetsuya OGAWA, Hirotsugu KUBO, Tatsuya SHIMIZU, Katsuhisa SAKAGUCHI
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Patent number: 10772575Abstract: An automatic measurement point correction method includes acquiring vital signs information waveform data indicating a vital signs information waveform having a plurality of waveforms which periodically appear on a time axis, determining a plurality of measurement points for measuring a predetermined measurement item of each waveform included in the vital signs information waveform, causing the vital signs information waveform and measurement point displayers to be displayed on a displaying section, correcting a first measurement point for measuring the predetermined measurement item of a first waveform of the plurality of waveforms, as a first correction, recording the corrected first measurement point as a reference measurement point, extracting a waveform which is analogous to the first waveform, from the plurality of waveforms, and automatically correcting a measurement point for measuring the predetermined measurement item of the extracted waveform, as a second correction.Type: GrantFiled: July 22, 2016Date of Patent: September 15, 2020Assignee: NIHON KOHDEN CORPORATIONInventors: Jiro Suto, Tsuneo Takayanagi, Takashi Kaiami
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Patent number: 10765330Abstract: A pulse photometry probe includes a holding member that includes a contact face which is to be in contact with living tissue of a patient, an emitter that is placed in the holding member, a detector that is placed in the holding member and detects light emitted from the emitter, and, a spacer that is disposed between the contact face and the emitter and has an opening, wherein an air layer defined by the opening is disposed between an emitting face of the emitter and the contact face.Type: GrantFiled: February 14, 2017Date of Patent: September 8, 2020Assignee: NIHON KOHDEN CORPORATIONInventor: Masahiro Takeuchi
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Publication number: 20200278342Abstract: A device for measuring a tension of a cell structure containing muscle cells includes a first and a second gel adaptor holder. The first gel adaptor holder includes a frame member and a first gel holding portion which is disposed protrudingly from a part of an inner surface of the frame member for fixing one end of a gel. The second gel adaptor holder includes a second gel holding portion that fixes another end of the gel, and connecting members connected with the second gel holding portion. A kit including the device, a substrate and a gel forming cover. The substrate includes a pair of gel shaping convex parts fitted along the inner surface of the frame member. The gel forming cover includes a surface parallel to a gel contacting surface of the substrate, in order to form an upper surface of the gel.Type: ApplicationFiled: February 27, 2020Publication date: September 3, 2020Applicant: NIHON KOHDEN CORPORATIONInventors: Hirotsugu Kubo, Takahiro Shioyama, Yuki Kagawa, Yuto Hinata, Hodaka Makino
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Patent number: 10750945Abstract: A transmission device can be carried by the subject. A biological signal recording device can perform wireless communication with the transmission device. A transmitter transmits biological signal data corresponding to a biological signal of a subject. A storage stores the biological signal data. A receiver receives the biological signal data. A recorder records the biological signal data received by the receiver. A detector detects a missing portion in the biological signal data recorded by the recorder or a receipt of the biological signal data by the receiver. A notifier notifies the missing portion or transmits an acknowledgment of the receipt to the transmission device. A complementary transmitter retrieves biological signal data corresponding to the notified missing portion from the storage or identifies unreceived biological signal data and retrieves the identified biological signal data, and transmits the retrieved biological signal data.Type: GrantFiled: May 8, 2017Date of Patent: August 25, 2020Assignee: NIHON KOHDEN CORPORATIONInventors: Yoshimoto Suzuki, Kenta Sudo, Takayuki Kaneko, Yoshiaki Nakao
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Patent number: 10751005Abstract: A vital information monitor (1) includes a vital sign acquiring section (39) which acquires vital signs of a patient into whom a tracheal tube (14) connected to a respirator (13) is intubated, a producing section (31) which produces an extubation process display screen (72) on which determination items contained in an extubation process for removing the tracheal tube (14) from the patient are displayed, a displaying section (7) on which the vital signs acquired by the vital sign acquiring section and the extubation process display screen (72) are displayed, and a determining section (30) which determines whether the determination items satisfy predetermined conditions.Type: GrantFiled: April 8, 2016Date of Patent: August 25, 2020Assignee: NIHON KOHDEN CORPORATIONInventors: Teruko Sakurai, Hiroshi Kubo, Akira Nobukuni, Shingo Wake, Rie Muneshima, Tomoko Goto
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Patent number: 10743802Abstract: A biological signal acquirer is attached to a subject and acquires a biological signal of the subject. A transmitter carried by the subject transmits the biological signal. A first communication port and a first camera are installed in a first location and connectable to a network. A second communication port and a second camera are installed in a second location and connectable to the network. A biological information acquiring device is connectable to the network and provided with a switcher. The switcher acquires, when communication establishment between the transmitter and the first communication port is detected, the biological signal through the first communication port as well as a first image taken by the first camera, and acquires, when communication establishment between the transmitter and the second communication port is detected, the biological signal through the second communication port as well as a second image taken by the second camera.Type: GrantFiled: March 4, 2016Date of Patent: August 18, 2020Assignee: NIHON KOHDEN CORPORATIONInventor: Nobuyoshi Watanabe
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Patent number: 10737089Abstract: An electrode package includes an electrode pad to be attached to a subject, the electrode pad having a gel layer, a lead wire having one end electrically coupled to the gel layer, and a packaging cover having an opening portion, the opening portion being sealed such that the electrode pad and a part of the lead wire are housed inside the packaging cover. A sealing width in at least a part of a section where the packaging cover is sealed together with the lead wire is narrower than a sealing width in a section where only the packaging cover is sealed. A sealing apparatus is configured to seal the packaging cover.Type: GrantFiled: August 26, 2016Date of Patent: August 11, 2020Assignee: Nihon Kohden CorporationInventor: Michio Kanemoto