Patents Assigned to Nihon Kohden Corporation
  • Publication number: 20220401007
    Abstract: A muscle relaxation monitoring apparatus includes a calibration processing section. The calibration processing section is configured to: set an initial stimulation current value as a starting stimulation current value; determine, as a current value variable process, one of a first and a second current value variable process; detect, as a first peak value and a second peak value, amplitude peak values of an electric signal; and detect a stimulation current value of a maximal stimulation of a subject, based on a result of a comparison of the first peak value and the second peak value, and acquires a stimulation current value that is obtained by adding a step current value to the stimulation current value, as the stimulation current value of a supramaximal stimulation of the subject.
    Type: Application
    Filed: October 23, 2020
    Publication date: December 22, 2022
    Applicants: NIHON KOHDEN CORPORATION, SHUNICHI TAKAGI
    Inventors: Hiroshi YOSHIHARA, Shigeyoshi KITAMURA, Kazuya NAGASE, Shunji IWATA, Shunichi TAKAGI
  • Publication number: 20220401008
    Abstract: A stimulation current value that causes the supramaximal stimulation according to a subject in the muscle relaxation state is detected. A muscle relaxation monitoring apparatus includes a calibration processing section 4 for performing a calibration process that electrically stimulates a nerve which is an observation portion of a subject, by a predetermined stimulation current value at a predetermined stimulation timing, and that acquires a stimulation current value of a supramaximal stimulation exceeding a maximal stimulation of the subject, based on an amplitude peak value of an electric signal that is based on a stimulation response of a muscle due to the electrical stimulation.
    Type: Application
    Filed: October 23, 2020
    Publication date: December 22, 2022
    Applicants: NIHON KOHDEN CORPORATION
    Inventors: Hiroshi YOSHIHARA, Shigeyoshi KITAMURA, Kazuya NAGASE, Shunji IWATA, Shunichi TAKAGI
  • Patent number: 11517502
    Abstract: A cardiopulmonary resuscitation assisting apparatus including: an acceleration sensor (13); a magnetic sensor (19); a first calculation section (233A) which obtains a relational expression (N) between a compression depth Da and the coil-to-coil distance AD; a determination section (234) which differentiates the relational expression (N) with respect to an output value of the magnetic sensor (19) and compares a resulting differentiated value of the relational expression (N) with a predetermined threshold to thereby determine whether notification for assistance of cardiopulmonary resuscitation is necessary or not; and a voice generating section (25) which performs the notification for assistance of cardiopulmonary resuscitation.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: December 6, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Jumpei Inoue, Tsutomu Wakabayashi
  • Patent number: 11511067
    Abstract: A respiration assistance device includes a nasal respiration assisting section for supplying a gas to the nasal cavity of a living body. The nasal respiration assisting section includes: a first gas supplying portion which supplies a gas below one of the nostrils of the living body; a second gas supplying portion which supplies the gas below the other nostril of the living body; a first tube connecting portion to which a tube for supplying the gas to the first gas supplying portion is connectable; and a second tube connecting portion to which a tube for supplying the gas to the second gas supplying portion is connectable.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: November 29, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Fumihiko Takatori, Kenichiro Kabumoto, Masayuki Inoue
  • Patent number: 11511064
    Abstract: An intubation apparatus includes an inserting section that has an elongated shape and is to be inserted from a mouth of a subject toward a target site. An intubation tube is formed to extend along a longitudinal direction of the inserting section and is advanceable and retractable with respect to the inserting section. An imaging section is placed at a tip end of the inserting section and takes an in vivo image of the body of the subject. A detecting section detects a target site from the in vivo image based on a feature amount of the target site that is preset. A notifying section is disposed integrally with or separately from the intubation apparatus and notifies an operator who operates the inserting section. A notification controller controls the notifying section to notify of information relating to the target site of the subject based on a result of the detection.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: November 29, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Yukio Taniguchi, Tsutomu Wakabayashi
  • Patent number: 11510620
    Abstract: Examples described herein include sensor devices for measuring a parameter of a user. The sensor devices may include a reusable portion (e.g., a sensor). The sensor devices may include one or more weakened portions that may fracture on removal of a portion of the sensor device from the user. Fracturing the weakened portions may expose the reusable portion (e.g., the sensor). Accordingly, the reusable portion may be more readily observed and collected for reuse.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: November 29, 2022
    Assignee: Nihon Kohden Corporation
    Inventors: Fumiyuki Matsumura, Hirohiko Ikeya, Norihito Konno, Jun Sakai
  • Patent number: 11505774
    Abstract: A sample storage apparatus includes: a lid member; a sample storage container; first and second fluid sucking sections; first and second fluid discharging sections; first to fourth flow paths; and a first fluid identification sensor. The first flow path is connected to the first fluid sucking section, the second flow path is connected to the second fluid sucking section, the third flow path is connected to the first fluid discharging section, and the fourth flow path is connected to the second fluid discharging section. The first fluid identification sensor for identifying a fluid is disposed in the first flow path.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: November 22, 2022
    Assignees: NIHON KOHDEN CORPORATION, OSAKA UNIVERSITY
    Inventors: Hodaka Makino, Hirotsugu Kubo, Tetsuya Ogawa, Masahiro Kinooka
  • Patent number: 11504025
    Abstract: To provide a mask capable of reducing a load of a patient while suppressing lowering of accuracy at which a subject's exhaled air is measured. A mask to be put on a subject's face includes a mask body portion demarcating an internal space in a state of covering part of the subject's face and a cup-shaped nasal cup covering a subject's nose in a state of being arranged inside the internal space, in which the nasal cup includes a first wall portion covering the subject's nose, a second wall portion arranged under the subject's nostrils, and an exhaled air discharge portion guiding an exhaled air from the subject's nose to an exhaled air sensor, and at least part of the exhaled air from the subject's nose is guided toward the exhaled air discharge portion by the second guide portion in a state where the nasal cup covers the subject's nose.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: November 22, 2022
    Assignee: Nihon Kohden Corporation
    Inventors: Yuya Baba, Isao Matsubara, Masayuki Inoue, Kenichiro Kabumoto, Fumihiko Takatori
  • Patent number: 11497415
    Abstract: A mask size gauge for selecting a size of a mask in accordance with a distance in a height direction between an upper reference part in an upper portion of a face of a wearer, and a lower reference part in a lower portion, includes: a reference position indicating portion indicating that the reference position indicating portion is to be placed at a height position of the upper reference part on an outer lateral side of an eye of the wearer; and a size indicating portion that is located at a position which is closer to a middle of the face than the reference position indicating portion, and that indicates the size of the mask according to a height position of the lower reference part.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: November 15, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Risa Osawa, Raku Ishida, Masayuki Suzukawa, Yuya Baba, Masayuki Inoue, Isao Matsubara
  • Patent number: 11484237
    Abstract: A physiological information measurement apparatus includes a measuring section that acquires a physiological signal from a living body of a subject, a signal processor that produces a plurality of physiological signal waveforms based on the physiological signal acquired from the measuring section, and that identifies an arithmetic average waveform that is obtained by arithmetic averaging of the plurality of physiological signal waveforms, and information relating to arithmetic average dispersion, and a display that displays at least the information relating to the arithmetic average dispersion.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: November 1, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventor: Makoto Sato
  • Patent number: 11488464
    Abstract: An information generation device includes: a receiver configured to receive physiological information of a subject, from a terminal device configured to operate by power of a battery, and continuously acquire and transmit the physiological information; a determination unit configured to determine whether non-transmission time, during which the terminal device is not capable of transmitting the physiological information to the receiver since the power is not supplied to the terminal device, is equal to or longer than predetermined time; and a generator configured to generate first alert information indicating that the non-transmission time is equal to or longer than the predetermined time, when the determination unit determines that the non-transmission time is equal to or longer than the predetermined time.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: November 1, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Takayuki Sugiyama, Fumito Horiuchi
  • Patent number: 11484675
    Abstract: An airway adaptor includes: a gas passage into which a respiratory gas of a subject is to flow; a respiratory gas introducing portion which is configured to guide the respiratory gas expired from at least one of nostrils and a mouth of the subject, to the gas passage; and an airway case on which a temperature sensor that is configured to detect a temperature change of the respiratory gas flowing into the gas passage is mountable.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: November 1, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Fumihiko Takatori, Shinji Yamamori, Masayuki Inoue, Kota Saeki
  • Patent number: 11484215
    Abstract: A blood pressure measuring apparatus for measuring a blood pressure of a subject using a cuff attached to the subject is equipped with an inflating mechanism—configured to increase an inner pressure of the cuff, a processor and a memory—configured to store instructions that is readable by the processor. As the instructions are executed by the processor, the blood pressure measuring apparatus-acquires a pulse rate of the subject while causing the inflating mechanism to increase the inner pressure of the cuff at a prescribed inflation speed, and compares the pulse rate as acquired to a prescribed pulse rate. The blood pressure measuring apparatus causes the inflating mechanism to increase the inner pressure of the cuff at an inflation speed that is lower than the prescribed inflation speed if the pulse rate as acquired is less than the prescribed pulse rate.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: November 1, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventor: Yoshiharu Kikuchi
  • Publication number: 20220338767
    Abstract: An input interface is configured to receive a signal corresponding to a quantity of light that has passed through a living tissue of a subject. A pressurization controller is configured to control a pressurizing operation performed with a pressurization device attached to a body of the subject, thereby changing at least one of a thickness of the living tissue, an amount of blood contained in the living tissue, an amount of cellular interstitial fluid contained in the living tissue, an amount of blood flowing into the living tissue, and an amount of blood flowing out from the living tissue. A processor is configured to acquire, from a temporal change of the signal due to the pressurizing operation, a feature quantity that is used for estimating at least one of a physiological state of the living tissue and a disease state of the subject.
    Type: Application
    Filed: June 24, 2020
    Publication date: October 27, 2022
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Kota SAEKI, Naoki KOBAYASHI
  • Patent number: 11483126
    Abstract: A physiological information system includes: a plurality of physiological information sensors configured to acquire physiological information data of a subject being tested, and a physiological information processing apparatus communicatively connected to each of the plurality of physiological information sensors. The physiological information processing apparatus is configured to transmit a synchronous packet toward each of the plurality of physiological information sensors.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: October 25, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Hironori Sugawara, Yukio Koyama, Hiroshi Kubo
  • Publication number: 20220336105
    Abstract: A physiological information acquisition device configured to acquire physiological information of a subject includes: an input interface configured to receive waveform data corresponding to a measurement waveform of the physiological information from a sensor; a prediction unit configured to extract a feature from the waveform data using a convolutional neural network and predict a probability of the waveform data being classified into each of a plurality of classes; an importance specification unit configured to specify an importance of the feature with respect to a prediction result of the probability for at least one of the plurality of classes; and an output unit configured to output an indicator indicating the importance together with the measurement waveform.
    Type: Application
    Filed: April 4, 2022
    Publication date: October 20, 2022
    Applicant: NIHON KOHDEN CORPORATION
    Inventors: Takuya KAWASHIMA, Wataru MATSUZAWA
  • Patent number: 11471633
    Abstract: A mask includes: a mask body configured to define a space that covers at least one of a nose and a mouth of a subject; and a cushion member extending along a peripheral edge portion of the mask body. The cushion member includes: a first region that includes a portion that contacts a face of the subject when fitted; and a second region positioned between the first region and the mask body. A surface of the first region has a higher non-adhesive property than a surface of the second region, and the second region has transparency that allows the space to be seen through.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: October 18, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Yuya Baba, Isao Matsubara
  • Patent number: 11464441
    Abstract: A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: October 11, 2022
    Assignees: 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: 11464496
    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: Grant
    Filed: December 6, 2016
    Date of Patent: October 11, 2022
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Mitsuhiro Oura, Sou Kumagai, Wataru Matsuzawa, Nobuyuki Yasumaru, Kazuya Nagase, Hiroshi Torigai, Naoki Fukushima
  • Publication number: 20220296153
    Abstract: 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: Application
    Filed: March 10, 2022
    Publication date: September 22, 2022
    Applicants: NIHON KOHDEN CORPORATION, NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCE
    Inventors: Kunihiko KIUCHI, Takashi ASHIHARA, Kaori UCHIYAMA, Akio OTA, Naoki KOURA, Koji TAKIZAWA