Patents Assigned to Colin Corporation
  • Patent number: 6893400
    Abstract: An apparatus for diagnosing an angiopathy of a living subject, including a first pulse-wave-propagation-velocity-related-information obtaining device which obtains a first pulse-wave-propagation-velocity-related information that is related to a first velocity at which a first pulse wave propagates through a first interval of the subject, a second pulse-wave-propagation-velocity-related-information obtaining device which obtains, at a substantially same time as a time when the first pulse-wave-propagation-velocity-related-information obtaining device obtains the first pulse-wave-propagation-velocity-related information, a second pulse-wave-propagation-velocity-related information that is related to a second velocity at which a second pulse wave propagates through a second interval of the subject that is different from the first interval, and a comparison-value calculating device for calculating a comparison value based on the first pulse-wave-propagation-velocity-related information and the second pulse-wave-p
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: May 17, 2005
    Assignee: Colin Corporation
    Inventors: Osamu Kawaguchi, Kiyoyuki Narimatsu
  • Patent number: 6878273
    Abstract: A dialyzing apparatus includes a dialyzer which removes water from blood of a patient at a pre-set water-remove rate, an autonomic-nerve-activity-related-information obtaining device which obtains autonomic-nerve-activity-related information that is related to an activity of an autonomic nerve of the patient, and a water-remove-rate display device which displays a target water-remove rate based on the autonomic-nerve-activity-related information obtained by the autonomic-nerve-activity related-information obtaining device.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: April 12, 2005
    Assignee: Colin Corporation
    Inventor: Keizoh Kawaguchi
  • Patent number: 6878272
    Abstract: A dialyzing apparatus includes a dialyzer which removes water from blood of a patient at a water-remove rate during a dialysis operation, a blood-pressure-change-related-information obtaining device which obtains a plurality of sorts of blood-pressure-change-related information each of which is related to a change of a blood pressure of the patient during the dialysis operation, and a water-remove-rate control device which controls the water-remove rate of the dialyzer, based on the plurality of sorts of blood-pressure-change-related information, according to a predetermined control manner.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: April 12, 2005
    Assignee: Colin Corporation
    Inventor: Keizoh Kawaguchi
  • Patent number: 6808496
    Abstract: An oscillometric automatic blood-pressure measuring apparatus, including an inflatable cuff which is adapted to be wound around a portion of a living subject, so as to detect respective amplitudes of a plurality of heartbeat-synchronous pulses of a cuff pulse wave as an oscillatory component that is produced in the cuff in synchronism with heartbeats of the subject in a cuff-pressure change process in which a cuff pressure as a pressure in the cuff is changed, a cuff-pulse-wave-amplitude correcting device for correcting the respective amplitudes of the respective pulses of the cuff pulse wave, according to a predetermined non-linear relationship between difference between cuff pressure and subject's mean blood pressure, and amplitude of cuff pulse wave, and a blood-pressure determining device for determining a blood pressure of the subject based on a change of the corrected amplitudes of the cuff pulse wave.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: October 26, 2004
    Assignee: Colin Corporation
    Inventors: Tohru Oka, Akihiro Yokozeki
  • Publication number: 20040162494
    Abstract: An ankle-blood-pressure measuring apparatus for measuring a blood pressure of an ankle of a living subject, including an inflatable cuff which is adapted to be worn on the ankle of the subject; a cuff-pressure changing device which decreases a pressure in the cuff from a pressure higher than a systolic blood pressure of the ankle; a distal-pulse-wave detecting device which is adapted to be worn on a distal portion of the subject that is located on a distal side of the ankle and detects a distal pulse wave produced from the distal portion; an increasing-point detecting device for detecting at least one increasing point where a magnitude of the distal pulse wave continuously detected by the distal-pulse-wave detecting device when the pressure of the cuff is decreased by the cuff-pressure changing device, significantly increases; and an ankle-blood-pressure determining device which determines a pressure of the cuff when the increasing-point detecting device detects the second increasing point, as a systolic bloo
    Type: Application
    Filed: February 20, 2004
    Publication date: August 19, 2004
    Applicant: Colin Corporation
    Inventors: Toshihiko Ogura, Kiyoyuki Narimatsu
  • Publication number: 20040122329
    Abstract: An arteriosclerosis evaluating apparatus for evaluating an arteriosclerosis of a living subject based on a form of a pulse wave detected from the subject, the apparatus including an inflatable cuff which is adapted to be worn on a body portion of the subject, a cuff-pressure changing device which changes a pressure in the cuff, a cuff-pulse-wave detecting device which detects a cuff pulse wave as a pressure oscillation that is transmitted from the subject to the cuff, and an output device which outputs the cuff pulse wave detected by the cuff-pulse-wave detecting device in a state in which the pressure of the cuff is made higher than a systolic blood pressure of the body portion of the subject by the cuff-pressure changing device.
    Type: Application
    Filed: December 1, 2003
    Publication date: June 24, 2004
    Applicant: Colin Corporation
    Inventor: Kiyoyuki Narimatsu
  • Patent number: 6746405
    Abstract: A blood pressure measuring apparatus, including a cuff adapted to be worn on a body portion of a living subject, and determining a blood pressure value of the subject based on a signal obtained from the cuff when a pressure in the cuff is changed, wherein the apparatus includes: a cuff pulse wave detecting device which detects a cuff pulse wave as a pulse wave produced from an artery of the subject and transmitted to the cuff, the cuff pulse wave comprising at least one heartbeat-synchronous pulse produced from the artery in synchronism with at least one heartbeat of the subject; a converting device which converts, based on the blood pressure value determined by the apparatus, a magnitude of each point of the heartbeat-synchronous pulse of the cuff pulse wave, into a pressure value; and a pseudo-pressure-pulse-wave determining device which determines a pseudo pressure pulse wave by correcting the respective pressure values of the respective points of the pulse, provided by the converting device, according to
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: June 8, 2004
    Assignee: Colin Corporation
    Inventor: Kiyoyuki Narimatsu
  • Patent number: 6740044
    Abstract: A blood-pressure monitoring apparatus for use with a dialyzing device, including a blood-pressure-related-information obtaining device which iteratively obtains, from a patient who is undergoing a dialysis operation of the dialyzing device, a piece of blood-pressure-related information that can change in relation with a blood pressure of the patient, a change-value determining device, a memory device which stores, for the patient, a plurality of prescribed threshold values corresponding to a plurality of prescribed periods of an entire duration of the dialysis operation, and a judging device for judging that the blood pressure of the patient is abnormal.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: May 25, 2004
    Assignee: Colin Corporation
    Inventor: Atsushi Sato
  • Patent number: 6730039
    Abstract: An arteriosclerosis-degree evaluating apparatus, including a blood-pressure measuring device which iteratively measures a blood pressure value of a living subject, a pulse-wave-propagation-velocity-related-information obtaining device which iteratively obtains, at substantially a same time as a time when the blood-pressure measuring device measures each blood pressure value of the living subject, a piece of pulse-wave-propagation-velocity-related information that is related to a velocity at which a pulse wave propagates through an artery of the subject, and an output device which outputs a change of the pieces of pulse-wave-propagation-velocity-related information iteratively obtained by the pulse-wave-propagation-velocity-related-information obtaining device, relative to a change of the blood pressure values iteratively measured by the blood-pressure measuring device.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: May 4, 2004
    Assignee: Colin Corporation
    Inventor: Tsuneo Nakagawa
  • Patent number: 6726632
    Abstract: An apparatus for evaluating a degree of arteriosclerosis of a living subject, the apparatus including a blood-pressure measuring device which measures a systolic and a diastolic blood pressure of the subject, a pulse-wave-propagation-velocity-related-information obtaining device which obtains pulse-wave-propagation-velocity-related information that is related to a velocity at which a pulse wave propagates through an artery of the subject, a display device, and a control device which controls the display device to display, in a two-dimensional graph defined by a first axis indicative of blood pressure and a second axis indicative of pulse-wave-propagation-velocity-related information, at least one symbol indicating two positions one of which corresponds to the systolic blood pressure measured by the blood-pressure measuring device and the pulse-wave-propagation-velocity-related information obtained by the pulse-wave-propagation-velocity-related-information obtaining device, and the other of which corresponds t
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: April 27, 2004
    Assignee: Colin Corporation
    Inventors: Akira Tampo, Toshihiko Ogura, Kiyoyuki Narimatsu
  • Patent number: 6726633
    Abstract: An advertising method, including the step of displaying, during a blood-pressure measuring operation of an automatic blood-pressure measuring apparatus including an inflatable cuff and a display device, an advertisement on the display device.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: April 27, 2004
    Assignee: Colin Corporation
    Inventor: Hiroya Kitagawa
  • Publication number: 20040077959
    Abstract: A vital-information obtaining apparatus including a cuff to be worn on a predetermined portion of a living subject, a cuff-pressure control device operable to control an inflation pressure of the cuff, a cuff-pulse-wave detecting device operable to detect a cuff pulse wave which is a pressure pulsation transmitted from the living subject to the cuff, and a vital-information determining device operable while an inflation pressure of the cuff is held at a value higher than a systolic blood pressure of the subject under the control of the cuff-pressure control device, and wherein the vital-information determining means determines vital information of the subject, on the basis of a notch of the cuff pulse wave detected by the cuff-pulse-wave detecting device.
    Type: Application
    Filed: May 19, 2003
    Publication date: April 22, 2004
    Applicant: Colin Corporation
    Inventor: Kiyoyuki Narimatsu
  • Patent number: 6719704
    Abstract: A vascular-endothelial-cell-function evaluating apparatus including a pressing device including a cuff that is adapted to be worn on a first portion of a living subject, and a cuff-pressure changing device that changes a pressure in the cuff so as to press the first portion of the subject in a pressing period, a pulse-wave detecting device that detects a pulse wave including a plurality of heartbeat-synchronous pulses, from the first portion of the subject, or a second portion of the subject located on a distal side of the first portion, and a pulse-wave-second-half-information obtaining device that obtains a plurality of sets of pulse-wave-second-half information that represent respective characteristics of respective second-half portions of respective heartbeat-synchronous pulses of the pulse wave that are detected by the pulse-wave detecting device at respective different times, the respective second-half portions of the respective heartbeat-synchronous pulses being respective portions of the respective pu
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: April 13, 2004
    Assignee: Colin Corporation
    Inventors: Kiyoyuki Narimatsu, Toshihiko Ogura, Akira Tampo
  • Patent number: 6716177
    Abstract: An apparatus for measuring an inferior-and-superior-limb blood-pressure index of a living subject, including an inferior-limb blood-pressure measuring device which measures an inferior-limb blood pressure of an inferior limb of the subject, a superior-limb blood-pressure measuring device which measures a superior-limb blood pressure of a superior limb of the subject, an inferior-and-superior-limb blood-pressure index determining device for determining the inferior-and-superior-limb blood-pressure index based on the inferior-limb blood pressure measured by the inferior-limb blood-pressure measuring device and the superior-limb blood pressure measured by the superior-limb blood-pressure measuring device, a heartbeat-synchronous-signal detecting device which detects a heartbeat-synchronous signal that is produced from the subject, a pulse-period-related-information obtaining device for obtaining, based on the heartbeat-synchronous signal detected by the heartbeat-synchronous-signal detecting device, pulse-period
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: April 6, 2004
    Assignee: Colin Corporation
    Inventor: Takashi Nomura
  • Patent number: 6712768
    Abstract: An augmentation-index determining apparatus, including a cuff, a cuff-pressure changing device which changes a pressing pressure of the cuff, a pulse-wave extracting device which extracts a pulse wave from the cuff, a peak-occurrence-time determining device for determining, based on a high-cuff-pressure pulse wave which is extracted by the pulse-wave extracting device when the cuff-pressure changing device makes the pressing pressure of the cuff higher than a systolic blood pressure of a subject, a time of occurrence of a peak point of an incident-wave component of the high-cuff-pressure pulse and a time of occurrence of a peak point of a reflected-wave component of the high-cuff-pressure pulse wave, and an augmentation-index determining device for determining, based on the respective times of occurrence of the respective peak points of the incident-wave and reflected-wave components of the high-cuff-pressure pulse, respective times of occurrence of respective peak points of incident-wave and reflected-wave c
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: March 30, 2004
    Assignee: Colin Corporation
    Inventors: Toshihiko Ogura, Kiyoyuki Narimatsu, Akira Tampo, Takashi Honda
  • Publication number: 20040059231
    Abstract: An arteriostenosis inspecting apparatus including a left-superior-limb-blood-pressure measuring device which measures a left-superior-limb blood pressure of a left superior limb of a living subject, a right-superior-limb-blood-pressure measuring device which measures a right-superior-limb blood pressure of a right superior limb of the subject, and a left-and-right-superior-limb-blood-pressure-ratio determining device which determines a left-and-right-superior-limb blood-pressure ratio as a ratio of one of the left-superior-limb blood pressure and the right-superior-limb blood pressure to the other.
    Type: Application
    Filed: April 7, 2003
    Publication date: March 25, 2004
    Applicant: Colin Corporation
    Inventors: Kiyoyuki Narimatsu, Toshihiko Ogura
  • Patent number: 6702754
    Abstract: An apparatus for inspecting arteriosclerosis of a living subject, including a pulse-wave detecting device which detects a pulse wave from a portion of the subject, an augmentation-index determining device for determining, based on the pulse wave detected by the pulse-wave detecting device, an augmentation index indicating a proportion of a reflected-wave component of the pulse wave to an incident-wave component thereof, so that the arteriosclerosis of the subject is inspected based on the augmentation index determined by the augmentation-index determining device, a waveform-related-information obtaining device which obtains waveform-related information that is related to a change of a waveform of the pulse wave detected by the pulse-wave detecting device, a display device, an augmentation-index displaying device for operating the display device to display the augmentation index determined by the augmentation-index determining device, and a waveform-related-information displaying device for operating the displ
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: March 9, 2004
    Assignee: Colin Corporation
    Inventors: Toshihiko Ogura, Kiyoyuki Narimatsu, Akira Tampo, Takashi Honda
  • Patent number: 6702753
    Abstract: An apparatus for measuring a blood pressure of a superior limb or an inferior limb of a living subject, including a blood-pressure measuring device which includes a measuring member adapted to be worn on a measurement portion of the superior or inferior limbs and measures a blood pressure of the measurement portion, and a pressing device which includes a pressing member adapted to be worn on the measurement portion or a distal portion of the subject relative to the measurement portion, and which presses the pressed portion with a prescribed blood-flow promoting force that is lower than a systolic blood pressure of the subject.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: March 9, 2004
    Assignee: Colin Corporation
    Inventor: Tomohiro Nunome
  • Patent number: 6702768
    Abstract: An apparatus for bending and stretching a foot of a living person by pressing at least an arch of a sole of the foot and stopping the pressing of the arch.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: March 9, 2004
    Assignee: Colin Corporation
    Inventors: Nobue Mano, Chikao Harada
  • Patent number: 6699197
    Abstract: An apparatus for obtaining information related to a velocity at which a pulse wave propagates in a living subject, the apparatus including a pulse-wave sensor which is adapted to be worn on a body portion of the subject and detects the pulse wave from the body portion, an incident-wave-peak determining device for determining a peak of an incident-wave component which is contained in the pulse wave detected by the pulse-wave sensor, a reflected-wave-peak determining device for determining a peak of a reflected-wave component which is contained in the pulse wave detected by the pulse-wave sensor, and an information obtaining device for obtaining the information based on a time difference between the peak of the incident-wave component determined by the incident-wave-peak determining device and the peak of the reflected-wave component determined by the reflected-wave-peak determining device.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: March 2, 2004
    Assignee: Colin Corporation
    Inventor: Kiyoyuki Narimatsu