Patents by Inventor Tsuyoshi Kitagawa

Tsuyoshi Kitagawa 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).

  • Publication number: 20190380624
    Abstract: A blood pressure measuring apparatus performs blood pressure measurement of a person to be measured. The apparatus includes: setting a measurement mode including at least a nocturnal blood pressure measurement mode to perform the measurement; and determining whether a blood pressure measurement posture is good under a first determination condition based on a height difference between a position of the apparatus and a heart position of the person in a sitting posture, and under a second determination condition based on a height difference between a position of the apparatus and a heart position of the person in a supine posture. A determination condition of the determining is switched to the second determination condition when the nocturnal blood pressure measurement mode is set.
    Type: Application
    Filed: August 29, 2019
    Publication date: December 19, 2019
    Inventors: Yuki OTA, Tsuyoshi KITAGAWA, Shingo YAMASHITA
  • Publication number: 20190380596
    Abstract: A biological information measuring apparatus includes a sensing device and a calibration device. The calibration device includes a transmitter transmitting, to the sensing device, data including the first biological information, and calibration identification information. The sensing device includes a determination unit determining whether the calibration identification information is information of a calibration device corresponding to the sensing device; a detector detecting a pulse wave; and a calculator, when the calibration identification information is information of a corresponding calibration device, calibrating the pulse wave based on the first biological information, and calculating second biological information based on the calibrated pulse wave.
    Type: Application
    Filed: August 29, 2019
    Publication date: December 19, 2019
    Inventors: Tsuyoshi KITAGAWA, Shingo YAMASHITA
  • Publication number: 20190380580
    Abstract: A biological information measuring apparatus includes a detector, a measuring unit, a calculator, and a determining unit. The detector detects pulse waves continuously. The measuring unit measures first biological information. The calculator calculates second biological information from the pulse waves based on the first biological information. The measuring unit suspends the measurement and resumes the measurement after a lapse of a period in a case where the determining unit does not determine that the result of measurement is normal, and the measuring unit continues the measurement in other cases where the body motion is not generated, the pulse waves are not irregular or the blood pressure value fails to vary.
    Type: Application
    Filed: August 29, 2019
    Publication date: December 19, 2019
    Inventors: Tsuyoshi KITAGAWA, Shingo YAMASHITA, Hiroyuki KINOSHITA, Yuki OTA
  • Publication number: 20190365255
    Abstract: According to one embodiment, an apparatus includes a sensing apparatus and a calibration device. The sensing apparatus includes: a calculator calculating first information on a position of the sensing apparatus. The calibration device includes: a measuring device intermittently measuring first biological information; a receiver receiving the first information; a calculator calculating second information on a position of the calibration device; a determination unit determining whether or not the sensing apparatus and the calibration device are worn on an identical biological site based on the first and second information; and a calculator calibrating the pulse wave based on the first biological information and calculating second biological information based on the calibrated pulse wave.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 5, 2019
    Inventors: Tsuyoshi KITAGAWA, Shingo YAMASHITA, Daizo OKA
  • Publication number: 20190365251
    Abstract: According to one embodiment, a biological information measuring apparatus includes a detector, a measuring device, and a connector. The detector detects a pulse wave in a temporally continuous manner. The measuring device intermittently measures biological information and calibrate the pulse wave with the biological information. The connector having impact absorbability physically connects and integrates the detector and the measuring device.
    Type: Application
    Filed: August 20, 2019
    Publication date: December 5, 2019
    Inventors: Tsuyoshi KITAGAWA, Shingo YAMASHITA, Katsunori KONDO, Yuki KATO
  • Publication number: 20190365260
    Abstract: According to one embodiment, an apparatus includes a detector, a measuring unit, and a calculator. The detector detects a pulse wave in a temporally continuous manner. The measuring unit measures first biological information intermittently. A calculator calibrates the pulse wave based on the first biological information and calculates second biological information from the pulse wave calibrated. The detector, The measuring unit, and The calculator are arranged at a same site.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 5, 2019
    Inventors: Tsuyoshi KITAGAWA, Shingo YAMASHITA
  • Patent number: 10390710
    Abstract: An electronic sphygmomanometer includes a cuff including an air bladder, a pressure sensor, an artery volume sensor, and a computation device. The computation device includes an inner pressure control section, a volume sensor signal receive section for receiving a pulse wave signal detected by the artery volume sensor, a pressure sensor signal receive section for receiving a pressure pulse wave signal superimposed on the inner pressure of the air bladder and detected by the pressure sensor, a judgment section for choosing either the pulse wave signal or the pressure pulse wave signal as a signal for calculating pulse rate of the patient during a period when the inner pressure of the air bladder is increased and/or decreased by the inner pressure control section, and a pulse rate calculation section for calculating pulse rate of the patient based on the pulse wave signal and the signal chosen by the judgment section.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: August 27, 2019
    Assignee: OMRON HEALTHCARE Co., Ltd.
    Inventors: Shota Umeda, Yukiya Sawanoi, Naomi Matsumura, Tsuyoshi Kitagawa
  • Publication number: 20190090759
    Abstract: A pulse wave detecting device includes a sensor section and a control unit. The sensor section is rotatable about a first axis and is rotatable about a second axis. The control unit determines a rotation angle about the second axis and a rotation angle about the first axis in a state where the sensor section is pressed against the body surface with a prescribed pressing force. After determining the optimal roll angle and the optimal pitch angle, the control unit reduces the pressing force to a reset value smaller than the prescribed pressing force and larger than zero, increases the pressing force from this state, detects a pulse wave based on pressure signals detected by pressure detecting elements during the increase, and calculates vital information based on the detected pulse wave.
    Type: Application
    Filed: October 12, 2018
    Publication date: March 28, 2019
    Applicant: OMRON HEALTHCARE CO., LTD.
    Inventors: Hiroyuki KINOSHITA, Tsuyoshi KITAGAWA, Shingo YAMASHITA, Toshihiko OGURA, Yuki KATO
  • Publication number: 20190046045
    Abstract: A pulse wave detecting device includes a sensor section and a control unit. The sensor section is rotatable about a first axis and is rotatable about a second axis. The control unit determines a rotation angle about the second axis based on DC components of a plurality of a pressure detecting elements included in at least one of element rows. Then, the sensor section is pressed against the body surface in a state that the sensor section is controlled in the optimal roll angle, the pulse wave is detected based on pressure signals detected from the pressure detecting elements and the vital information is calculated based on the detected pulse wave.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Applicant: OMRON HEALTHCARE CO., LTD.
    Inventors: Hiroyuki KINOSHITA, Tsuyoshi KITAGAWA, Shingo YAMASHITA, Toshihiko OGURA
  • Publication number: 20190046046
    Abstract: A pulse wave detecting device includes a sensor section and a control unit. The sensor section is rotatable about a first axis and is rotatable about a second axis. The control unit determines a rotation angle about the first axis based on DC components of pressure detecting elements included in element rows. Then, in a state where the sensor section is controlled to the optimal pitch angle, the sensor section is pressed against the body surface, and a pulse wave is detected based on pressure signals detected by pressure detecting elements in this state, and vital information is calculated based on the detected pulse wave.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Applicant: OMRON HEALTHCARE CO., LTD.
    Inventors: Hiroyuki KINOSHITA, Tsuyoshi KITAGAWA, Shingo YAMASHITA, Toshihiko OGURA
  • Publication number: 20190046048
    Abstract: A pressure pulse wave detector includes: a pressing member which includes a pressing face in which element arrays each including pressure detecting elements arranged in one direction are arranged in a direction intersecting with the one direction; a pressing mechanism which presses the pressing face against a body surface of a living body; a rotation driving mechanism which rotates the pressing face around each of two axes which are perpendicular to a pressing direction of the pressing face pressed by the pressing mechanism and include a first axis extending in the one direction and a second axis perpendicular to the one direction; a support member which supports the pressing mechanism, the rotation driving mechanism and the pressing member; a housing which houses therein the support member; and a movement mechanism which moves the support member in the one direction inside the housing.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Inventors: Tsuyoshi KITAGAWA, Shingo YAMASHITA, Hiroyuki KINOSHITA
  • Publication number: 20190038156
    Abstract: A pulse wave detecting device includes a sensor section and a control unit. The sensor section is rotatable about a first axis and is rotatable about a second axis. The control unit determines a rotation angle about the first axis, and determines a rotation angle about the second axis in a state where a pitch angle of the sensor section is controlled to the optimal pitch angle. Then, in a state where the sensor section is controlled to the optimal roll angle and the optimal pitch angle, the sensor section is pressed against the body surface, and a pulse wave is detected in this state based on pressure signals detected by pressure detecting elements, and vital information is calculated based on the detected pulse wave.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 7, 2019
    Inventors: Hiroyuki KINOSHITA, Tsuyoshi KITAGAWA, Shingo YAMASHITA, Toshihiko OGURA
  • Publication number: 20190038140
    Abstract: A pulse wave detecting device includes a sensor section and a control unit. The sensor section is rotatable about a first axis and is rotatable about a second axis. The control unit determines a rotation angle about the second axis and a rotation angle about the first axis in a state where a roll angle of the sensor section is controlled to the optimal roll angle. Then, the control unit, presses the sensor section against the body surface in a state where the sensor section is controlled into the optimal roll angle and the optimal pitch angle, detects a pulse wave based on pressure signals detected by pressure detecting elements during the increase, and calculates vital information based on the detected pulse wave.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 7, 2019
    Inventors: Hiroyuki KINOSHITA, Tsuyoshi KITAGAWA, Shingo YAMASHITA, Toshihiko OGURA
  • Publication number: 20190038141
    Abstract: The pulse wave detecting device includes a sensor section in which two element rows consisting of a plurality of pressure detecting elements arranged in a direction B are arranged in a direction A perpendicular to the direction B, and an air bag pressing the sensor section to a body surface in a state that the direction B intersects a direction in which an artery below the body surface of a living body. An arrangement interval between the two element rows in the direction A is 5 mm or more and 15 mm or less.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 7, 2019
    Inventors: Tsuyoshi KITAGAWA, Shingo YAMASHITA, Toshihiko OGURA, Masayuki FUKUTSUKA, Daizo OKA, Naomi MATSUMURA, Kentaro MORI, Hiroyuki KINOSHITA, Masayuki WAKAMIYA
  • Patent number: 10098552
    Abstract: A blood pressure and pulse measurement device includes a cuff including a first air bladder, a pressure sensor, a pressing member, a pulse wave sensor, and an operation unit. When measurement of the blood pressure is instructed by the operation unit, the first air bladder of the cuff is inflated to increase inner pressure to a sufficient level such that the blood pressure of the patient can be measured by the pressure sensor and then deflated. When measurement of the blood pressure is not instructed by the operation unit, air of the first air bladder of the cuff is released such that the measurement location of the patient is not substantially pressed by the first air bladder, and the measurement location of the patient is pressed by the pressing member with sufficient pressure such that pulse of the patient can be detected by the pulse wave sensor.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: October 16, 2018
    Assignee: OMRON HEALTHCARE Co., Ltd.
    Inventors: Naomi Matsumura, Yukiya Sawanoi, Tsuyoshi Kitagawa, Shota Umeda
  • Publication number: 20180192891
    Abstract: A pulse wave detecting device includes a housing accommodating a pulse wave detection sensor and to be wound along a circumferential direction of a wrist. The housing includes: a back-side portion to be wound around a back side of a hand; and a palm side portion to be wound around a palm side of the hand. In an attachment state, a position in a direction of a part: which is in a hand side end portion that is an end portion of the housing, the end portion being on a side of the hand in the direction; and which constitutes the back-side portion, is closer to an arm than a position in the direction of a part: which is in a portion that constitutes the palm side portion; and which is closest to the side of the hand, the direction being perpendicular to the circumferential direction.
    Type: Application
    Filed: March 7, 2018
    Publication date: July 12, 2018
    Applicant: OMRON HEALTHCARE Co., Ltd.
    Inventors: Brian Brigham, Masayuki Fukutsuka, Shingo Yamashita, Tsuyoshi Kitagawa, Toshihiko Ogura, Masayuki Wakamiya
  • Publication number: 20180192890
    Abstract: A pulse wave detecting device is to be used while being attached to a wrist of a subject. The pulse wave detecting device includes a housing which accommodates a pulse wave detection sensor for detecting a pulse wave from a radial artery, the housing includes: a first housing portion; and a second housing portion which is lower in rigidity than the first housing portion, the pulse wave detection sensor is accommodated in the first housing portion, and a region of the housing is configured by at least the second housing portion, the region being contacted with a styloid process of a radius of the wrist in a state where the housing is attached to the wrist.
    Type: Application
    Filed: March 7, 2018
    Publication date: July 12, 2018
    Applicant: OMRON HEALTHCARE Co., Ltd.
    Inventors: Brian Brigham, Masayuki Fukutsuka, Shingo Yamashita, Tsuyoshi Kitagawa, Toshihiko Ogura, Masayuki Wakamiya
  • Publication number: 20180192892
    Abstract: A pulse wave detecting device includes: a pressure pulse wave detector which is configured to press a pressing surface in which a pressure detecting element is formed, against a radial artery under a skin of a wrist of a subject, and which is configured to detect a pressure pulse wave from the radial artery; and a housing which accommodates the pressure pulse wave detector in a state where the pressing surface is exposed toward the wrist. The housing is configured so that a compression pressure which is exerted by the housing in an attachment state where the housing is attached to the wrist, and which is applied onto the radial artery is smaller than a compression pressure which is exerted by the pressing surface in the attachment state, and which is applied onto the radial artery.
    Type: Application
    Filed: March 7, 2018
    Publication date: July 12, 2018
    Applicant: OMRON HEALTHCARE Co., Ltd.
    Inventors: Brian Brigham, Masayuki Fukutsuka, Shingo Yamashita, Tsuyoshi Kitagawa, Toshihiko Ogura, Masayuki Wakamiya
  • Publication number: 20170367649
    Abstract: The embodiment provides a control unit for measuring living body information on the basis of pressure pulse waves detected by pressure sensors in a state that the pressure sensors are pressed toward a radius artery by an air bag and display units which are arranged around a wrist in the state that the pressure sensors are pressed toward the radius artery. The control unit performs display controls on the display units. One of the display units is disposed on the palm side of the wrist in the state that the pressure sensors are pressed toward the radius artery. The other one of the display units is disposed on the hand back side of the wrist in the state that the pressure sensors are pressed toward the radius artery.
    Type: Application
    Filed: August 10, 2017
    Publication date: December 28, 2017
    Applicants: OMRON HEALTHCARE Co., Ltd., OMRON Corporation
    Inventors: Tsuyoshi Kitagawa, Shingo Yamashita
  • Publication number: 20170224228
    Abstract: A blood pressure measurement device is equipped with a pressing surface which is formed with an element array of plural pressure sensors arranged in one direction and an element array of plural pressure sensors arranged in the one direction, an air bag for pressing the pressing surface against a living body, a control unit for calculating blood pressure values in a radius artery on the basis of pressure pulse waves that are detected by the pressure sensors in a state that the pressing surface is pressed against the living body by the air bag, and a rotational drive unit for performing driving to rotate the pressing surface about each of axes that are perpendicular to a pressing direction of the air bag.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Applicants: OMRON HEALTHCARE CO., LTD., OMRON CORPORATION
    Inventors: Tsuyoshi Kitagawa, Shingo Yamashita, Toshihiko Ogura, Masayuki Fukutsuka, Daizo Oka, Naomi Matsumura, Kentaro Mori, Hiroyuki Kinoshita, Masayuki Wakamiya