Patents Assigned to Nihon Kohden Corporation
  • Patent number: 10232176
    Abstract: A biological signal display apparatus includes: a stimulation unit which performs stimulation on a living body; a measurement unit which measures an evoked response evoked by the stimulation; a calculator which calculates a feature amount of the evoked response; a display unit; and a display controller which, based on the feature amount calculated by the calculator, displays a bar-shaped image on the display unit, each time when the stimulation is performed, the bar-shaped image corresponding with the evoked response on the display unit.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: March 19, 2019
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Munehito Okada, Hitoshi Sano, Tetsuro Tatsuoka
  • Publication number: 20190076041
    Abstract: A myocardial excitation determining apparatus which can support the determination of excitation dynamics of the myocardium during atrial fibrillation is provided. A myocardial excitation determining apparatus has: an acquiring section 2 which acquires an intracardiac electrocardiogram of a subject; a processing section 3 which computes to produce visualized data indicating a state of excitation in the myocardium, based on the intracardiac electrocardiogram; and a determining section 4 which determines the type of excitation dynamics of the myocardium based on the visualized data.
    Type: Application
    Filed: March 14, 2017
    Publication date: March 14, 2019
    Applicants: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER
    Inventors: Takashi ASHIHARA, Koji TAKIZAWA, Tatsuo NISHIHARA, Nobuhiro SUZUKI, Yuuho IWANAGA, Akio OTA, Takeshi TSUCHIYA, Kazuo NAKAZAWA, Shin INADA
  • Patent number: 10219745
    Abstract: A sensor includes: a base layer; first and second conduction paths supported by the base layer; a first adhesive layer covering a first portion of the first conduction path; a second adhesive layer covering the second conduction path; an insulation sheet including: a first protecting portion covering the second adhesive laver; a second protecting portion disposed between a second portion of the first conduction path, and a part of the second conduction path; and a third protecting portion covering the first adhesive layer; a detecting section; a wireless transmitter; and a power source. When the insulation sheet is peeled off, the second portion of the first conduction path, and the part of the second conduction path are caused to be in contact with each other, and an electric power is supplied from the power source to the detecting section and the wireless transmitter.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: March 5, 2019
    Assignees: NIHON KOHDEN CORPORATION, SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Norihito Konno, Yoshihiro Ihara, Tomoharu Fujii
  • Publication number: 20190059823
    Abstract: A pulse oximeter includes one or more processor and one or more memory storing instructions. When the instructions are executed by the one or more processor, the one or more processor causes the pulse oximeter to acquire a first signal corresponding to an intensity of first light having a first wavelength and a second signal corresponding to an intensity of second light having a second wavelength, set a presumptive value of an arterial oxygen saturation, acquire an arterial blood component signal and a venous blood component signal corresponding to the presumptive value from the first signal and the second signal, acquire an index value corresponding to a phase difference between the arterial blood component signal and the venous blood component signal, and calculate the arterial oxygen saturation based on a variation of the index value associated with a change of the presumptive value.
    Type: Application
    Filed: August 23, 2018
    Publication date: February 28, 2019
    Applicant: Nihon Kohden Corporation
    Inventor: Tetsuo SUZUKI
  • Publication number: 20190029635
    Abstract: A patient monitor that acquires a vital sign through a measurement sensor, and that is to be connected to an external measurement apparatus for measuring another vital sign, includes a master clock that is disposed in the patient monitor, and that manages common time information, a first operating system that manages first time information, and a second operating system that manages second time information, and that transmits and receives data to and from the external measurement apparatus. When a predetermined event occurs, the first operating system reads the common time information from the master clock, and updates the first time information. When the predetermined event occurs, the second operating system reads the common time information from the master clock, updates the second time information, and notifies the external measurement apparatus of the updated second time information or the common time information.
    Type: Application
    Filed: December 27, 2016
    Publication date: January 31, 2019
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Mitsuhiro OURA, Sou KUMAGAI, Wataru MATUZAWA, Nobuyuki YASUMARU, Kazuya NAGASE, Hiroshi TORIGAI, Naoki FUKUSHIMA
  • Patent number: 10165952
    Abstract: A biological information measuring apparatus and method are provided. A pulsation information detecting unit detects heartbeat information relating to a heartbeat of a subject. A pulse wave detecting unit detects a pulse wave while a portion of the subject is pressurized and depressurized by a cuff. An amplitude calculating unit detects a cardiac cycle of a heart from the heartbeat information and a maximal value of the pulse wave in each cardiac cycle, and calculates, based on the maximal value detected from the pulse wave, at least one of an amplitude value derived from the heartbeat of the subject, an amplitude value assisted by an IABP, and an amplitude value derived from a blood flow volume of the subject. A blood pressure calculating unit calculates a blood pressure value from a relationship between the amplitude values calculated by the amplitude calculating unit and a pressurizing force of the cuff.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: January 1, 2019
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Takashi Usuda, Hiroshi Kubo, Yukio Koyama
  • Publication number: 20180371396
    Abstract: An object of the present disclosure is to provide a cell culture system, a cell culture environment evaluation device, and a program, capable of performing evaluation of a culture environment without causing an adverse effect on cell culture. An isolator is provided with a culture environment for housing a cell culture vessel having a culture solution containing cells to be cultured placed therein. A sensing unit measures the state of the culture environment and transmits the measurement result of the culture environment to the outside of the isolator. A control device receives the measurement result and performs evaluation in the culture environment based on the measurement result.
    Type: Application
    Filed: December 26, 2017
    Publication date: December 27, 2018
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Hodaka Makino, Wataru Matsuzawa
  • Patent number: 10159442
    Abstract: First and second sensors attached to a living body are connected to first and second input connectors respectively. An analog-to-digital converter converts a first analog voltage signal input from the first sensor through the first input connector into a first digital voltage signal. A first voltage-to-current converter converts the first digital voltage signal into a first analog current signal. A first interface connector outputs a second analog voltage signal and the first analog current signal, the second analog voltage signal being input from the second sensor through the second input connector. A physiological information processing apparatus has a second interface connector through which the first analog current signal and the second analog voltage signal are input to the physiological information processing apparatus.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: December 25, 2018
    Assignee: NIHON KOHDEN CORPORATION
    Inventor: Tetsuo Suzuki
  • Patent number: 10159416
    Abstract: A biological information measuring apparatus and a biological information measuring method are provided. The biological information measuring apparatus includes a pulsation information detecting unit configured to detect heartbeat information relating to a heartbeat of a subject, a blood pressure waveform measuring unit configured to measure a blood pressure waveform of the subject in an invasive manner, and a calculating unit configured to detect a cardiac cycle from the heartbeat information and to calculate, based on a detection of a maximal blood pressure value of the blood pressure waveform in the cardiac cycle, at least one of a systolic pressure of the subject, an end-diastolic pressure of the subject, an augmentation pressure of an IABP (intra-aortic balloon pumping), a systolic pressure assisted by the IABP and an end-diastolic pressure assisted by the IABP.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: December 25, 2018
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Hiroshi Kubo, Yukio Koyama
  • Publication number: 20180353160
    Abstract: A patient monitor that acquires and displays first vital sign information and second vital sign information of a subject includes an event detection unit that is configured to detect an activation start event for starting an activation process of biological information processing software which performs a process pertaining to the second vital sign information and an activating event for activating the biological information processing software and a software control unit that causes the biological information processing software to be in a standby state, in which a part of the activation process of the biological information processing software has been performed, when the activation start event is detected by the event detection unit, and causes the biological information processing software to be in an active state from the standby state when the activating event is detected by the event detection unit.
    Type: Application
    Filed: December 6, 2016
    Publication date: December 13, 2018
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Mitsuhiro OURA, Sou KUMAGAI, Wataru MATSUZAWA, Nobuyuki YASUMARU, Kazuya NAGASE, Hiroshi TORIGAI, Naoki FUKUSHIMA
  • Patent number: 10151691
    Abstract: To provide a gas sensor kit and a gas measurement system in which a problem in arrangement of a signal processor and an atmospheric pressure sensor at the time of measuring a gas is solved. A gas sensor kit includes a sensor and a connector. The connector includes an atmospheric pressure sensor measuring an atmospheric pressure and a signal processor. The signal processor receives a measurement signal indicating a transmitted light quantity of a target gas from the sensor and obtains a measurement value of a concentration or a partial pressure of the target gas based on the measurement signal. The signal processor corrects the measurement value of the concentration or the partial pressure of the target gas by using an atmospheric pressure value measured by the atmospheric pressure sensor.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: December 11, 2018
    Assignee: Nihon Kohden Corporation
    Inventors: Hidetoshi Dainobu, Masayuki Inoue, Katsuhide Tone, Takanori Sato, Kazunori Yoshifuku
  • Publication number: 20180338683
    Abstract: To provide a medical service support device, a medical service support method and a medical service support system capable of properly watching patients in accordance with states of the patients. A medical service support device includes an electrocardiogram sensor attached to a patient and measuring electrocardiogram data of the patient, an analysis unit analyzing the electrocardiogram data, an acceleration sensor detecting a motion of the patient, and an attention calling unit transmitting attention calling information and patient identification information for specifying the patient toward the external portion of the device when it is determined that the patient is in a REM sleep state based on an analysis result by the analysis unit as well as determined that the patient has moved to a given state based on a detection result by the acceleration sensor.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 29, 2018
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Norihito Konno, Hirokazu Ogino, Fumiyuki Matsumura, Hirohiko Ikeya
  • Publication number: 20180339124
    Abstract: A hydrogen gas supplying apparatus includes a switching section configured to output, in accordance with switch instructions, one of a hydrogen-containing gas that contains hydrogen and a non-hydrogen-containing gas that does not contain hydrogen, an output section through which the gas that has been output from the switching section is supplied to a subject, and a controller configured to send the switch instructions to the switching section in accordance with an elapsed time and to control an amount of hydrogen that is output from the switching section. The controller controls an amount of hydrogen output per unit time during a first period from a start of switching from the non-hydrogen-containing gas to the hydrogen-containing gas to be greater than an amount of hydrogen output per unit time during a second period successively following the first period.
    Type: Application
    Filed: November 15, 2016
    Publication date: November 29, 2018
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Mitsushi HYOGO, Tohru KURATA, Shinya NAGATA
  • Patent number: 10136839
    Abstract: An airway adaptor includes: an airway case; and an expired gas guiding portion which is connected to the airway case to introduce a respiratory gas to the airway case. The airway case includes: a first respiratory gas flow path in which the respiratory gas flows in a first direction; and a second respiratory gas flow path in which the respiratory gas flows in a second direction opposite to the first direction.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: November 27, 2018
    Assignee: NIHON KOHDEN CORPORATION
    Inventor: Shinji Yamamori
  • Patent number: 10133340
    Abstract: A biological information monitoring system includes: a first monitoring device which includes a first displaying section and a first connector; a second monitoring device which includes a second connector; and a cable. The second monitoring device includes: a signal receiving section configured to receive a measurement signal related to biological information; and a second displaying section on which information corresponding to the measurement signal is displayed. When communication between the first and second connectors via the cable is established, the second displaying section is set to a non-display state, and the information corresponding to the measurement signal is displayed on the first displaying section.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: November 20, 2018
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Hirohiko Ikeya, Teiji Ukawa, Nobuko Kawasaki, Junya Kawano, Takaharu Suzuki
  • Patent number: 10117619
    Abstract: An optical sensor includes: a light emitter; a light receiver; a rod-shaped grasping member in which one of the light emitter and the light receiver is disposed, and which is to be grasped by a hand of a subject; and a clamping member which is adapted to clamp a part of the hand of the subject with the grasping member, another one of the light emitter and the light receiver being disposed in the clamping member.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: November 6, 2018
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Naoki Kobayashi, Teiji Ukawa, Kazumasa Ito, Masahiro Takeuchi, Yoshinori Ueda, Hiroko Hagiwara
  • Patent number: 10117611
    Abstract: A biological signal measuring system includes: a light emitter emitting a first light beam and a second light beam; a light receiver outputting first and second signals in accordance with light intensities of the first and second light beams that have been passed through or reflected from a living tissue of a subject; a first calculating section acquiring a light attenuation of the first light beam based on the first signal and a light attenuation of the second light beam based on the second signal; a second calculating section acquiring a blood-derived light attenuation based on the light attenuation of the first and second light beams; a third calculating section acquiring information relating to a blood oxygen saturation based on a change amount of the blood-derived light attenuation associated with pressurization of the living tissue; and an outputting section outputting the acquired information.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: November 6, 2018
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Naoki Kobayashi, Hideaki Hirabara, Shinya Nagata
  • Patent number: 10117585
    Abstract: A biological signal measuring system includes a sensor and a biological signal measuring apparatus configured to calculate a blood refill time of a living tissue of a subject. The sensor includes a pressure applying portion configured to apply pressure on the living tissue, a light emitter configured to emit light toward the living tissue, a light receiver configured to receive reflected light or transmitted light from the living tissue, a first light transmitting member made of a light transmitting material and having one side contacting the light emitter and the other side arranged to contact the subject, a second light transmitting member made of a light transmitting material and having one side contacting the light receiver and the other side arranged to contact the subject, and a light blocking member configured to block light between the light emitter and the light receiver.
    Type: Grant
    Filed: September 13, 2015
    Date of Patent: November 6, 2018
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Naoki Kobayashi, Hideaki Hirabara, Katsuyuki Horie, Tsuyoshi Shimizu, Kota Saeki
  • Publication number: 20180303371
    Abstract: Provided is a physiological information detection sensor capable of implementing miniaturization by substantially securing a creepage distance and an air distance (e.g., implementing defibrillation protection). The physiological information detection sensor includes: a plurality of first substrates arranged in multiple tiers; a second substrate; a first connecting portion that electrically connects adjacent first substrates to each other among the plurality of first substrates; and an insulating member. Each of the plurality of first substrates has a defibrillation protection resistor mounted thereon and electrically connected to a physiological information detection unit. The second substrate has a circuit mounted thereon to process physiological information input from the physiological information detection unit via the defibrillation protection resistor. The insulating member is disposed between adjacent first substrates among the plurality of first substrates.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 25, 2018
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Norihito Konno, Minori Hosoi
  • Publication number: 20180296188
    Abstract: A patient monitor (10) acquires a vital sign that is based on a physiological signal of a subject, and an ultrasonic image that is based on a reflected wave of an ultrasonic wave which is irradiated onto the subject. A display section (16) displays information of the subject. A control section (14) switches between a first mode in which a screen containing information of the vital sign is displayed on the display section (16), and a second mode in which a screen containing the ultrasonic image is displayed on the display section (16).
    Type: Application
    Filed: October 5, 2016
    Publication date: October 18, 2018
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Mitsuhiro OURA, Sou KUMAGAI, Wataru MATSUZAWA, Naoki KOBAYASHI, Hiroto SANO, Takashi MORI, Nobuyuki YASUMARU, Kazuya NAGASE