公开(公告)号：US4901733A

公开(公告)日：1990-02-20

申请号：US312178

申请日：1989-02-21

申请人： Noriyuki Kaida ,  Hifumi Yokoe ,  Chikao Harada ,  Minoru Niwa ,  Masanobu Yasui

发明人： Noriyuki Kaida ,  Hifumi Yokoe ,  Chikao Harada ,  Minoru Niwa ,  Masanobu Yasui

IPC分类号： A61B5/0245 ,  A61B5/021

CPC分类号： A61B5/021 ,  A61B5/061 ,  A61B5/6824

摘要： A pulse wave detecting apparatus having a pulse wave sensor for detecting pulse wave produced from an arterial vessel of a subject, the pulse wave sensor being movable along a cross line crossing the arterial vessel so as to be positioned in place relative to the arterial vessel, and pressed against a body surface of the subject so as to detect the pulse wave produced from the arterial vessel, a frame member for being set on the body surface of the subject, a guide device supported by the frame member, for guiding the pulse wave sensor within a predetermined length along the cross line, a feeding screw supported by the frame member such that the feeding screw is rotatable about a longitudinal axis thereof parallel to the cross line, the feeding screw being threadedly engaged with the pulse wave sensor, a drive motor supported by the frame member such that the drive motor is located adjacent to the body surface when the frame member is set on the body surface of the subject, and a transmission device provided between the drive motor and the feeding screw, for transmitting rotating force of the drive motor to the feeding screw, so as to move the pulse wave sensor along the cross line.

公开(公告)号：US4947855A

公开(公告)日：1990-08-14

申请号：US310898

申请日：1989-02-16

申请人： Hifumi Yokoe ,  Chikao Harada

发明人： Hifumi Yokoe ,  Chikao Harada

IPC分类号： A61B5/021

CPC分类号： A61B5/6843 ,  A61B5/021 ,  A61B5/02108 ,  A61B2562/0247 ,  A61B2562/043

摘要： A blood pressure measuring apparatus having a housing detachably set on a body surface of a subject, a pressure sensor accommodated in the housing such that the pressure sensor is opposed to the body surface when the housing is set on the body surface, the pressure sensor being pressed against the body surface so as to detect pulse wave produced from an arterial vessel of the subject, the pressure sensor generating pulse wave signal representing the detected pulse wave, a pressing device for pressing the pressure sensor against the body surface, and a control device for determining blood pressure in the arterial vessel based on the pulse wave signal supplied from the pressure sensor, the pressing means and the control means being accommodated in the housing.

公开(公告)号：US5179956A

公开(公告)日：1993-01-19

申请号：US721317

申请日：1991-06-26

申请人： Chikao Harada ,  Norio Kawamura ,  Ryuji Nakashima ,  Arihiro Takahashi ,  Toshimasa Yamazaki ,  Masanobu Yasui ,  Tatsushi Kondo

发明人： Chikao Harada ,  Norio Kawamura ,  Ryuji Nakashima ,  Arihiro Takahashi ,  Toshimasa Yamazaki ,  Masanobu Yasui ,  Tatsushi Kondo

IPC分类号： A61B5/022

CPC分类号： A61B5/02233 ,  Y10S73/04

摘要： A contact pressure sensor including a semiconductor chip having opposite surfaces, at least one pressure sensing element provided in one of the opposite surfaces of the chip, a spacer member supporting the other surface of the chip, a substrate having a surface to which the spacer member is fixed, the one surface of the chip being pressed against an object which produces a pressure, so that the at least one sensing element detects the pressure produced by the object, a first connection terminal provided in the one surface of the chip, a second connection terminal provided in the surface of the substrate, and a flexible flat cable connecting between the first and second connection terminals, the flexible flat cable being bent into two portions one of which extends along a side surface of the spacer member and the other of which extends along the surface of the substrate. The contact pressure sensor may further comprise a light-shading layer covering the one surface of the chip in which the at least one pressure sensing element is provided.

摘要翻译： 一种接触压力传感器，包括具有相反表面的半导体芯片，设置在芯片的相对表面之一中的至少一个压力感测元件，支撑芯片的另一个表面的间隔件，具有表面的基板，间隔件 被固定，芯片的一个表面被压在产生压力的物体上，使得至少一个感测元件检测由物体产生的压力，设置在芯片的一个表面中的第一连接端子，第二 连接端子，以及连接在第一和第二连接端子之间的柔性扁平电缆，柔性扁平电缆被弯曲成两个部分，其中一个沿着间隔件的侧表面延伸，另一个 沿着衬底的表面延伸。 接触压力传感器还可以包括覆盖芯片的一个表面的遮光层，其中提供至少一个压力感测元件。

公开(公告)号：US4928701A

公开(公告)日：1990-05-29

申请号：US312183

申请日：1989-02-21

申请人： Chikao Harada ,  Minoru Niwa

发明人： Chikao Harada ,  Minoru Niwa

IPC分类号： A61B5/022 ,  A61B5/0225

CPC分类号： A61B5/02208 ,  A61B5/02116 ,  A61B5/0225

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.

公开(公告)号：US4976268A

公开(公告)日：1990-12-11

申请号：US369684

申请日：1989-06-21

申请人： Kimimasa Kurosawa ,  Chikao Harada ,  Hiroshi Sakai ,  Minoru Niwa

发明人： Kimimasa Kurosawa ,  Chikao Harada ,  Hiroshi Sakai ,  Minoru Niwa

IPC分类号： A61B5/0245 ,  A61B5/022 ,  A61B5/0225

CPC分类号： A61B5/02255 ,  A61B5/02233

摘要： An apparatus for detecting pressure pulse wave, including a main body having a pressing surface which is pressed against the body surface of a subject, and a plurality of through holes formed therethrough and opening in the pressing surface; a plate member secured to the pressing surface of the main body such that the plate member covers the openings of the through holes, the pressing plate having flexibility and including a plurality of displaceable portions each of which is aligned with the opening of a corresponding through hole; a plurality of optical fibers, one of opposite ends of each optical fiber being fitted in a corresponding through hole of the main body, such that an end face of the one end is opposed to a corresponding displaceable portion of the plate member at a predetermined distance therefrom; and a plurality of signal generating devices each of which is connected to the other of the opposite ends of a corresponding optical fiber, each signal generating device detecting the pressure pulse wave transmitted to a corresponding displaceable portion of the plate member, based on minute displacement of the corresponding displaceable portion which is optically detected through the corresponding optical fiber, and generating an electric signal representing the detected pressure pulse wave.

公开(公告)号：US07412776B2

公开(公告)日：2008-08-19

申请号：US11507545

申请日：2006-08-22

申请人： Katsushi Iikubo ,  Hidehito Sasaki ,  Hidenori Suzuki ,  Hiromasa Tsukahara ,  Chikao Harada ,  Hitoshi Hirano ,  Hiroshi Masuda

发明人： Katsushi Iikubo ,  Hidehito Sasaki ,  Hidenori Suzuki ,  Hiromasa Tsukahara ,  Chikao Harada ,  Hitoshi Hirano ,  Hiroshi Masuda

IPC分类号： G01B5/004 ,  E04G3/00

CPC分类号： G01B5/0004 ,  A61B5/021 ,  A61B5/1455 ,  A61B8/00 ,  A61B8/4218

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.

摘要翻译： 一种用于保持传感器的装置，使得传感器在三维空间中的任意位置处接触物体，该装置包括基座部件; 可旋转构件，其可相对于所述基座构件绕垂直轴线旋转; 第一连杆装置，包括第一固定连杆，第一可移动连杆和两个可枢转地连接到第一固定连杆和第一可动连杆的第一可枢转连杆，使得第一固定连杆，第一可动连杆和两个 第一可枢转连杆彼此协作以限定四边形，其中第一固定连杆固定到可旋转构件，使得第一可移动连杆可在包含轴线的平面中移动; 包括两个第二枢转连杆的第二连杆装置，以及可枢转地连接到两个第二可枢转连杆的第二固定连杆和第二可动连杆，使得两个第二可枢转连杆，第二固定连杆和第二可移动连杆配合 彼此定义四边形，其中所述第二固定连杆固定到所述第一可动连杆，使得所述第二可移动连杆在包含所述轴线的平面中可移动，并且其中所述第二可移动连杆支撑所述传感器; 第一偏置装置，其产生具有抵抗施加到第一可动连杆的负载的方向分量的推力; 以及第二偏置装置，其产生具有抵抗施加到第二可动连杆的负载的方向分量的推力。

公开(公告)号：US4262674A

公开(公告)日：1981-04-21

申请号：US963966

申请日：1978-11-27

申请人： Masahiro Uemura ,  Chikao Harada ,  Kenichi Sakurado ,  Tsunehito Kakumu

发明人： Masahiro Uemura ,  Chikao Harada ,  Kenichi Sakurado ,  Tsunehito Kakumu

IPC分类号： A61B5/022 ,  A61B5/024 ,  A61B5/02

CPC分类号： A61B5/02208 ,  A61B5/024

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.

摘要翻译： 一种具有内置心律失常检测机构的血压计，其中，所述血压测量部分包含脉动检测器，其接收包括Korotkoff声音的脉冲声音，用于将所述脉冲声音电转换成所述血管脉搏波的波形信号并将其输出; 通过检测以上述方式从血管脉搏波输出的波形信号识别和分离的Korotkoff声音来指示血压值的机构; 结合的心律失常检测机构接收血管脉搏波的波形信号，用于将波形信号的周期与预定标准进行比较，以便电检测用于检测心律失常存在的信号中的不规则性（如果有的话）。 该血压计能够与心律失常检测同时测量血压。

公开(公告)号：US08845542B2

公开(公告)日：2014-09-30

申请号：US13394496

申请日：2009-09-09

申请人： Hiroshi Masuda ,  Chikao Harada ,  Hidenori Suzuki

发明人： Hiroshi Masuda ,  Chikao Harada ,  Hidenori Suzuki

IPC分类号： A61B5/02 ,  A61B5/0225 ,  A61B8/08 ,  A61B8/00 ,  A61B8/06 ,  G01S15/89

CPC分类号： A61B8/485 ,  A61B5/02035 ,  A61B5/02225 ,  A61B5/0225 ,  A61B8/06 ,  A61B8/0858 ,  A61B8/0891 ,  A61B8/4218 ,  A61B8/488 ,  A61B8/5223 ,  G01S15/899

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.

摘要翻译： 本发明提供一种血管功能检查装置，包括：血管直径测量部，被配置为测量血管的直径; 构造成测量血管壁厚的血管壁厚测量部; 以及血管功能指标值计算部，其被配置为通过将所述血管直径的扩张量连续地除以从血流阻塞释放血液之后，计算用于诊断其功能的血管的功能指标值 由所述血管直径测量部分测量由所述血管壁厚度测量部分测量的壁厚。

公开(公告)号：US20070055152A1

公开(公告)日：2007-03-08

申请号：US11507564

申请日：2006-08-22

申请人： Katsushi Ukubo ,  Hidehito Sasaki ,  Hidenori Suzuki ,  Hiromasa Tsukahara ,  Chikao Harada ,  Hitoshi Hirano ,  Hiroshi Masuda

发明人： Katsushi Ukubo ,  Hidehito Sasaki ,  Hidenori Suzuki ,  Hiromasa Tsukahara ,  Chikao Harada ,  Hitoshi Hirano ,  Hiroshi Masuda

IPC分类号： A61B8/00

CPC分类号： A61B8/14 ,  A61B5/02007 ,  A61B5/1075 ,  A61B8/4218

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.

摘要翻译： 一种用于测量生物皮肤下的血管的短轴图像的装置，该装置包括超声波探头，该超声波探头包括超声波阵列，该超声波阵列具有沿发射表面沿一个方向排列的多个超声波换能器， 所述超声波探头从所述发射面向所述血管进行超声波束，所述超声波探头还包括适于放置在所述生物体的皮肤上的主框架，由所述主框架支撑的x轴支撑装置， 支撑超声波阵列使得超声波阵列能够绕平行于发射表面中的超声波换能器的方向的x轴旋转;以及x轴控制装置，其控制由x轴支撑的超声波阵列的姿势， 轴向支撑装置，使得在yz平面中，超声波阵列的发射表面平行于血管。

公开(公告)号：US5730139A

公开(公告)日：1998-03-24

申请号：US710141

申请日：1996-09-13

申请人： Makoto Miyazaki ,  Akihiro Yokozeki ,  Yoshihisa Miwa ,  Tokuji Hayakawa ,  Chikao Harada

发明人： Makoto Miyazaki ,  Akihiro Yokozeki ,  Yoshihisa Miwa ,  Tokuji Hayakawa ,  Chikao Harada

IPC分类号： A61B5/0225 ,  A61B5/00

CPC分类号： A61B5/0225

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.

摘要翻译： 一种血压测量装置，其特征在于，包括适于缠绕在活体的身体部分上的充气袖带，向所述袖带供给加压空气以使所述袖带膨胀，从而增加所述袖带内的空气压力的空气泵， 按压被检体的身体部分，泵输出功率控制装置，其控制空气泵的输出功率以将泵中的空气压力增加到预定的目标压力值;检测袖带压力的压力传感器 用于设定预定的第一泵输出功率的第一泵输出设定装置，测量增加袖带压力所需的基本时间的定时器;第二泵输出功率确定装置，用于确定对应的第二泵输出功率 达到袖带的预定增压率，减小袖带压力的袖带减压装置和测量至少一个血压值的测量装置 的袖带压力降低装置从袖口的压力降低到目标压力值。