摘要:
A sphygmomanometer having a built-in arrhythmia detecting mechanism, wherein the blood pressure measuring portion contains a pulsation detector, which receives pulse sounds including Korotkoff sounds for electrically converting the pulse sounds into wave form signals of the vascular pulse wave and output the same, and a mechanism indicating the blood pressure value by means of detecting the Korotkoff sounds recognized and separated from the wave form signals of the vascular pulse wave output in the above-mentioned way; the incorporated arrhythmia detecting mechanism receives the wave form signals of the vascular pulse wave for comparing the cycle of the wave form signals with a predetermined criterion in order to electrically detect irregularities, if any, in the signals for detecting the existence of arrhythmias. This sphygmomanometer is capable of measuring the blood pressure simultaneously with the detecting of arrhythmia.
摘要:
A method of using a sphygmomanometer having a built-in arrhythmia detecting mechanism, wherein the blood pressure measuring portion contains a pulsation detector, which receives pulse sounds including Korotkoff sounds for electrically converting the pulse sounds into wave form signals of the vascular pulse wave and output the same, and a mechanism indicating the blood pressure value by means of detecting the Korotkoff sounds recognized and separated from the wave form signals of the vascular pulse wave output in the above-mentioned way; the incorporated arrhythmia detecting mechanism receives the wave form signals of the vascular pulse wave for comparing the cycle of the wave form signals with a predetermined criterion in order to electrically detect irregularities, if any, in the signals for detecting the existence of arrhythmias. This sphygmomanometer is capable of measuring the blood pressure simultaneously with the detecting of arrhythmia.
摘要:
An apparatus for holding a sensor such that the sensor touches an object at an arbitrary position in a three-dimensional space, the apparatus including a base member; a rotatable member which is rotatable relative to the base member about a vertical axis line; a first link device including a first stationary link, a first movable link, and two first pivotable links which are pivotably connected to the first stationary link and the first movable link, such that the first stationary link, the first movable link, and the two first pivotable links cooperate with each other to define a quadrilateral, wherein the first stationary link is fixed to the rotatable member such that the first movable link is movable in a plane containing the axis line; a second link device including two second pivotable links, and a second stationary link and a second movable link which are pivotably connected to the two second pivotable links, such that the two second pivotable links, the second stationary link, and the second movable link cooperate with each other to define a quadrilateral, wherein the second stationary link is fixed to the first movable link such that the second movable link is movable in the plane containing the axis line, and wherein the second movable link supports the sensor; a first biasing device which produces a thrust having a directional component resisting a load applied to the first movable link; and a second biasing device which produces a thrust having a directional component resisting a load applied to the second movable link.
摘要:
It is provided a blood vessel function inspecting apparatus including: a blood vessel diameter measuring portion configured to measure a diameter of a blood vessel; a blood vessel wall thickness measuring portion configured to measure a wall thickness of the blood vessel; and a blood vessel function index value calculating portion configured to calculate a function index value for diagnosing the blood vessel of its function, after releasing of the blood vessel from blood flow obstruction, by dividing an amount of dilatation of said diameter of the blood vessel continuously measured by said blood vessel diameter measuring portion, by the wall thickness measured by said blood vessel wall thickness measuring portion.
摘要:
An apparatus for measuring a short-axis image of a blood vessel under a skin of a living being, the apparatus including an ultrasonic probe including an ultrasonic array which has a plurality of ultrasonic transducers arranged in one direction in an emission surface and which emits, from the emission surface, an ultrasonic beam toward the blood vessel, the ultrasonic probe additionally including a main frame which is adapted to be placed on the skin of the living being, an x-axis supporting device which is supported by the main frame and which supports the ultrasonic array such that the ultrasonic array is rotatable about an x axis parallel to the direction of arrangement of the ultrasonic transducers in the emission surface, and an x-axis control device which controls a posture of the ultrasonic array supported by the x-axis supporting device such that in a y-z plane, the emission surface of the ultrasonic array is parallel to the blood vessel.
摘要:
A blood pressure measuring apparatus comprises an inflatable cuff which is adapted to be wound around a body portion of a living subject, an air pump which supplies a pressurized air to the cuff to inflate the cuff and thereby increase an air pressure in the cuff, to press a body portion of the subject, a pump-output-power control device which controls an output power of the air pump to increase an air pressure in the pump to a predetermined target pressure value, a pressure sensor that detects the pressure of the cuff, first-pump-output setting means for setting a predetermined first pump output power, a timer which measures a basic time period needed to increase the pressure in the cuff, second-pump-output power determining means for determining a second pump output power corresponding to a predetermined pressure-increase rate of the cuff, a cuff pressure decreasing device that decreases the pressure of the cuff, and a measuring device which measures at least one blood pressure value of the living subject while the pressure of the cuff is decreased from a target pressure value by the cuff pressure decreasing device.
摘要:
An inflatable cuff for pressing a body portion of a living subject by being wound and inflated around the body portion, in measuring a blood pressure of the subject, the cuff having (a) a first group of graduations provided on a major surface of the cuff, the major surface being adapted to be visible when the cuff is wound around the body portion of the subject, so that the first group of graduations are used for measuring a circumferential length of the body portion; and (b) a second group of graduations provided on the major surface of the cuff, the graduations of the second group corresponding to the graduations of the first group, respectively, so that the cuff wound around the body portion of the subject is fixed at one of the graduations of the second group which corresponds to one of the graduations of the first group which indicates the measured circumferential length of the body portion.
摘要:
A method and apparatus for monitoring blood pressure of a subject, the method including the steps of continuously detecting pulse wave which is produced from an artery synchronously with heartbeat of the subject; the pulse wave consisting of a plurality of pulses, repetitively measuring blood pressure of the subject, each of the repetitive blood pressure measurements being effected by inflating a cuff set on a body portion and deflating the cuff; repetitively determining a relationship between blood pressure and magnitude of pulse wave, based on each of the repetitively measured blood pressures and magnitude of at least one pulse of the pulse wave which pulse is detected during a predetermined time length including a first time length immediately before beginning of the inflation of the inflatable cuff for a corresponding one of the repetitive blood pressure measurements, and a second time length following the first time length; replacing each of the repetitively determined relationships, with another relationship determined following the each of the repetitively determined relationships; and continuously determining blood pressure of the subject based on magnitude of each of the pulses of the continuously detected pulse wave according to a currently effective one of the repetitively determined and replaced relationships.
摘要:
A pulse wave detecting apparatus having a pressure-sensitive semiconductor element for detecting pulsation of an artery of a subject and converting the detected pulsation into electrical signal, the electrical signal representing pulse wave corresponding to the pulsation, the semiconductor element being pressed against a body surface of the subject such that the semiconductor element is aligned with the artery via the body surface, the apparatus including a timer device for measuring operation time of the pressure-sensitive semiconductor element, and generating a full-use signal when the measured operation time exceeds a reference value representing that the semiconductor element has been fully operated up to its permitted operation time.
摘要:
It is provided a blood vessel function inspecting apparatus including: a blood vessel diameter measuring portion configured to measure a diameter of a blood vessel; a blood vessel wall thickness measuring portion configured to measure a wall thickness of the blood vessel; and a blood vessel function index value calculating portion configured to calculate a function index value for diagnosing the blood vessel of its function, after releasing of the blood vessel from blood flow obstruction, by dividing an amount of dilatation of said diameter of the blood vessel continuously measured by said blood vessel diameter measuring portion, by the wall thickness measured by said blood vessel wall thickness measuring portion.