WO2011032345A1 - 脉象采集装置及方法 - Google Patents

脉象采集装置及方法 Download PDF

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Publication number
WO2011032345A1
WO2011032345A1 PCT/CN2010/000661 CN2010000661W WO2011032345A1 WO 2011032345 A1 WO2011032345 A1 WO 2011032345A1 CN 2010000661 W CN2010000661 W CN 2010000661W WO 2011032345 A1 WO2011032345 A1 WO 2011032345A1
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Prior art keywords
lifting structure
image acquisition
pulse
sensor
motor
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PCT/CN2010/000661
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English (en)
French (fr)
Inventor
邸丹
潘哲
潘越
汤伟昌
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上海道生医疗科技有限公司
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Application filed by 上海道生医疗科技有限公司 filed Critical 上海道生医疗科技有限公司
Priority to RU2011127816/14A priority Critical patent/RU2531691C2/ru
Publication of WO2011032345A1 publication Critical patent/WO2011032345A1/zh
Priority to US13/177,289 priority patent/US20110306889A1/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/02007Evaluating blood vessel condition, e.g. elasticity, compliance
    • A61B5/02014Determining aneurysm
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02444Details of sensor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683Means for maintaining contact with the body
    • A61B5/6835Supports or holders, e.g., articulated arms

Definitions

  • the invention relates to a traditional Chinese medicine diagnostic device, in particular to a pulse image acquisition device.
  • the invention also relates to a pulse acquisition method.
  • TCM finger cutting is to apply different pressures to the radial artery at the fingertips (ie, floating, medium, and sinking pressure), relying on tactile, pressure, and vibration sensors to detect pulse information. These include information such as number, rhythm, floating, strength, thickness, rigidity, fluency, and difficulty. Therefore, the TCM pulse signal should be understood as a collection of pulse pressure and pulse wave power.
  • a manual pressure method is generally used, for example, an intelligent Chinese medicine pulse detection device disclosed in the Chinese Utility Model Patent Specification CN2420975Y (February 28, 2001) (please refer to the figure) 1), the drawback of the above device is that the optimal measurement position cannot be accurately found, and the position of the acquired signal cannot be repeatedly implemented.
  • the technical problem to be solved by the present invention is to provide a pulse image acquisition device, which can automatically realize pulse signal acquisition, and the collection process has an ultimate protection structure. To this end, the present invention also provides A pulse acquisition method.
  • the present invention provides a pulse image acquisition device, including a sensor assembly, the sensor assembly including a motor fixed to the outer casing, a screw rod fixedly coupled to the motor, and the sleeve a lifting structure outside the screw rod, and a sensor detecting head fixed at the bottom of the lifting structure, the motor rotating to drive the screw to rotate, thereby raising or lowering the lifting structure relative to the screw.
  • the present invention provides a pulse image acquisition method, comprising the following steps:
  • the motor rotates to lower the lifting structure by a set distance, to determine whether the lifting structure reaches the limit position, and if so, to stop the measurement, otherwise the sensor head collects the pressure signal;
  • step (2) Repeat step (2) to judge whether the currently collected pressure signal is stronger than the pressure signal collected the previous time, otherwise stop the measurement.
  • the process of collecting the pulse signal is automatically realized by the motor.
  • the number of turns of the motor determines the stroke of the probe, which ensures the accuracy and repeatability of the collection position.
  • Figure 1 is a conventional pulse image acquisition device
  • Figure 2 is a schematic view showing the state of use of the pulse image collecting device of the present invention
  • 3 is a schematic view of a positioning assembly of the pulse image acquisition device of the present invention
  • Figure 4 is a schematic diagram of a sensor assembly of the pulse image acquisition device of the present invention.
  • Fig. 5 is a schematic view showing the internal structure of a sensor assembly of the pulse image collecting device of the present invention.
  • the reference numerals in the figure are: 1, base; 2, positioning component; 21, positioning window; 22, positioning mark; 23, card slot; 3, sensor component; 31, motor; 32, optocoupler; 34; lifting structure; 341, convex portion; 342, guiding portion; 35, sensor detecting head; 36, collecting window.
  • FIG. 2 An embodiment of the pulse image acquisition device of the present invention is shown in Fig. 2, which includes a base 1, a positioning assembly 2 and a sensor assembly 3.
  • the positioning component 2 is first fixed on the wrist of the person, and then the sensor component 3 is mounted on the positioning component for detection.
  • the sensor assembly 3 of the present invention includes a motor 31 fixed to the housing, a lead screw 33 fixedly coupled to the motor 31, a lifting structure 34 sleeved outside the screw shaft 33, and a sensor detecting head 35 fixed to the bottom of the lifting structure 34. .
  • the lifting structure 34 is screwed to the screw rod 33.
  • the bottom of the lifting structure 34 has a guiding portion 342 which is locked on the bottom of the sensor assembly 3 by a non-circular collecting window 36 (for example, square or rectangular).
  • a non-circular collecting window 36 for example, square or rectangular.
  • the lifting structure 34 has a convex portion 341, and the sensor assembly 3 further includes at least one photocoupler 32 fixed to the side wall of the outer casing, and the lifting structure 34 is raised or lowered.
  • the convex portion 341 passes through the photocoupler 32.
  • two upper and lower photocouplers 32 may be provided to respectively set the positions of the convex portions 341 at the initial position and the limit position in the operation of the sensor head.
  • an embodiment of the positioning assembly of the present invention has a positioning window 21 on the positioning assembly 2, and a bottom portion of the sensor assembly 3 has an acquisition window 36 (see FIG. 4) through which the sensor probe can pass. And the positioning window 21 presses the pulse signal on the wrist of the person.
  • the outer casing of the sensor assembly 3 is provided with a buckle 37 (see Fig. 4), and the outer frame of the positioning assembly 2 has a card slot 23, and the buckle 37 is locked in the card slot 23 during installation.
  • a positioning mark 22 for aligning the pulse position is provided around the positioning window 21.
  • the positioning mark 22 can be set at the center of the four sides of the positioning window 21, and the corresponding sensor head is located at the center of the collecting window.
  • the specific process of the pulse image acquisition method of the present invention comprises the following steps:
  • the rotation of the motor drives the lifting structure to rise until the lifting structure reaches the initial position.
  • the method of judging whether the lifting structure reaches the limit position is to determine whether the convex portion of the lifting structure reaches the position of the first photocoupler.
  • the motor rotates to lower the lifting structure by a set distance, to determine whether the lifting structure reaches the limit position, and if so, to stop the measurement, otherwise the sensor head collects the pressure signal.
  • the method of judging whether the lifting structure reaches the limit position is to determine whether the convex portion of the lifting structure reaches the position of the second photocoupler.
  • the sensor probe has a stroke range of 0-25 mm in the initial position and the limit position, and it is easy to cause injury to the person if the limit position is not set.
  • step (2) Repeat step (2) to determine whether the currently collected pressure signal is stronger than the previously acquired pressure signal, if otherwise stop measuring.
  • Sensor probe pressure during signal acquisition The depth of the wrist determines the sensed pressure signal.
  • the signal received by the too light sensor is very weak.
  • the signal that is too heavy affects the pulsation sensor of the radial artery will also attenuate, so it is appropriate during the acquisition process.
  • the pressure is collected with the strongest signal. During the acquisition process from the initial position to the extreme position, the signal is gradually enhanced. When the signal collected at a certain position is weaker than the previous signal, it indicates that the previous time is the optimal pressure, and the subsequent acquisition can be terminated, saving the measurement time.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physiology (AREA)
  • Vascular Medicine (AREA)
  • Neurosurgery (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Description

脉象采集装置及方法 技术领域
本发明涉及一种中医诊断装置,具体涉及一种脉象采集装置。本发明 还涉及一种脉象采集方法。
背景技术
中医常用的诊断方法包括望、 闻、 问、 切, 其中, 脉诊是中医的重要 诊断方法之一。中医手指切脉是在指端对桡动脉管施加不同压力的条件下 (即浮、 中、 沉压力), 依靠触觉、 压觉、 振动觉感受器探测脉象信息的。 其中包括至数、 节律、 浮沉、 强弱、 粗细、 刚柔、 流利、 艰涩等信息。 因 此, 中医脉象信号应该理解为是切脉压力和脉搏波搏动力的集合。
在现有的人体脉象检测装置中,通常采用手动式的加压方式,例如中 国实用新型专利说明书 CN2420975Y (公告日 2001 年 2月 28日) 公开的 一种智能化中医脉象检测装置 (请参见图 1 ), 上述装置的缺陷是无法精 确的找出最佳测量位置, 且采集信号的位置无法重复实现。
随着技术的发展,人们也开始采用自动的加压测量方式,但是设定的 加压方式通常是由程序或计算机控制的, 硬件上未采用极限保护的结构, 这样, 当程序出现故障传感器探测头一直压向人的脉搏会造成伤害。
发明内容
本发明所要解决的技术问题是提供一种脉象采集装置, 它可以自动 实现脉搏信号采集, 且采集过程有极限保护结构。为此, 本发明还要提供 一种脉象采集方法。
为了解决以上技术问题, 本发明提供了一种脉象采集装置; 包括一 个传感器组件,所述的传感器组件包括一个固定在外壳上的电机、与所述 电机固定连接的丝杆、套设在所述丝杆外的升降结构, 以及固定在升降结 构底部的传感器探测头,所述电机转动时带动所述丝杆转动,进而使所述 升降结构相对所述丝杆上升或下降。 '
基于上述装置, 本发明提供了一种脉象采集方法, 包括如下步骤:
( 1 ) 电机转动带动升降结构上升, 至升降结构到达初始位置;
(2) 电机转动带动升降结构下降一个设定的距离, 判断升降结构是 否到达极限位置,如果是则停止测量,如果否则传感器探测头采集压力信 号;
(3) 重复步骤 (2), 判断当前采集的压力信号是否强于前一次采集 的压力信号, 如果否则停止测量。
本发明采用上述结构具有以下优点:
1、 脉搏信号的采集过程由电机自动实现, 电机转动的圈数决定探头 升降的行程, 即保证了采集位置的精确性和可重复性。
2、 利用光电耦合器设置升降装置的行程极限位置, 避免程序出错后 传感器探测头对人体造成伤害。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细说明。
图 1是一种现有的脉象采集装置 ;
图 2是本发明的脉象采集装置的使用状态示意图; 图 3是本发明的脉象采集装置的定位组件示意图;
图 4是本发明的脉象采集装置的传感器组件示意图;
图 5是本发明的脉象采集装置的传感器组件内部结构示意图。
图中的附图标记为: 1、 底座; 2、 定位组件; 21、 定位窗口; 22、 定位标记; 23、 卡槽; 3、 传感器组件; 31、 电机; 32、 光电耦合器; 33、 丝杆; 34、 升降结构; 341、 凸部; 342、 导向部; 35、传感器探测头; 36、 采集窗口。
具体实施方式
如图 2所示为本发明的脉象采集装置的一种实施例, 该装置包括底 座 1, 定位组件 2和传感器组件 3。 使用时先将定位组件 2固定在人手腕 部, 再将传感器组件 3安装在定位组件上进行检测。
图 4和图 5为本发明的传感器组件的一种实施例,图 4为外部示意图, 图 5为内部结构示意图。本发明的传感器组件 3包括一个固定在外壳上的 电机 31、与电机 31固定连接的丝杆 33、套设在丝杆 33外的升降结构 34, 以及固定在升降结构 34底部的传感器探测头 35。 升降结构 34与丝杆 33 之间通过螺紋连接,升降结构 34的底部具有一导向部 342,该导向部 342 卡设在传感器组件 3底部的非圆形的采集窗口 36 (例如为方形或者长方 形)中, 当电机 31顺时针或逆时针转动时带动丝杆 33转动, 由于导向部 342和采集窗口 36非圆形设计, 因而导向部 342卡在采集窗口 36中不能 随丝杆转动, 进而可使升降结构 34相对丝杆 33上升或下降。
优选地, 升降结构 34具有一个凸部 341, 传感器组件 3还包括至少 一个固定在外壳侧壁上的光电耦合器 32,升降结构 34上升或下降的过程 中, 凸部 341穿过光电耦合器 32。 如图 5所示, 可以设置上下两个光电 耦合器 32, 分别设置在传感器探测头工作中的初始位置和极限位置时凸 部 341的位置。
如图 3所示为本发明的定位组件的一种实施例,定位组件 2上具有定 位窗口 21, 传感器组件 3的底部具有采集窗口 36 (参见图 4), 传感器探 测头可以穿过采集窗口 36和定位窗口 21压在人手腕部采集脉搏信号。
传感器组件 3的外壳上设有卡扣 37 (参见图 4), 定位组件 2的外框 上具有卡槽 23, 安装时卡扣 37卡设在卡槽 23内。
定位窗口 21四周具有用于对准脉搏位置的定位标记 22。定位标记 22 可设置在定位窗口 21四边的中心位置, 相应的传感器探测头位于采集窗 口的中心位置。
本发明的脉象采集方法具体过程包括如下步骤:
( 1 ) 电机转动带动升降结构上升, 至升降结构到达初始位置。 判断 升降结构是否到达极限位置的方法为:判断升降结构的凸部是否到达第一 光电耦合器的位置。
(2 ) 电机转动带动升降结构下降一个设定的距离, 判断升降结构是 否到达极限位置,如果是则停止测量,如果否则传感器探测头采集压力信 号。判断升降结构是否到达极限位置的方法为:判断升降结构的凸部是否 到达第二光电耦合器的位置。优选地,传感器探测头在初始位置和极限位 置的行程范围为 0— 25mm, 如果不设定极限位置容易对人造成伤害。
( 3 ) 重复步骤 (2), 判断当前采集的压力信号是否强于前一次采集 的压力信号, 如果否则停止测量。在信号采集的过程中, 传感器探测头压 在手腕的深度决定感测到的压力信号,压的太轻传感器接收到的信号很微 弱,压的太重影响了桡动脉的搏动传感器接收到的信号也会衰减,因此在 采集的过程中适当的压力采集的信号最强。在从初始位置到极限位置的采 集过程中, 信号逐渐增强, 当某一位置采集的信号弱于前一次信号, 则表 明前一次即为最佳压力, 可以终止之后的采集, 节约测量时间。

Claims

权 利 要 求 书
1、 一种脉象采集装置; 其特征在于, 包括一个传感器组件, 所述的 传感器组件包括一个固定在外壳上的电机、 与所述电机固定连接的丝杆、 套设在所述丝杆外的升降结构, 以及固定在升降结构底部的传感器探测 头,所述电机转动时带动所述丝杆转动,进而使所述升降结构相对所述丝 杆上升或下降。
2、 如权利要求 1所述的脉象采集装置, 其特征在于, 所述升降结构 与所述丝杆之间通过螺纹连接,所述升降结构的底部具有一导向部,该导 向部卡设在所述传感器组件底部的一个非圆形的采集窗口中。
3、 如权利要求 1所述的脉象采集装置, 其特征在于, 所述升降结构 具有一个凸部,所述传感器组件还包括至少一个固定在外壳侧壁上的光电 耦合器,所述升降结构上升或下降的过程中,所述凸部穿过所述光电耦合 器。
4、 如权利要求 3所述的脉象采集装置, 其特征在于, 所述光电耦合 器为两个,分别设置在所述传感器探测头工作中的初始位置和极限位置时 凸部的位置。
5、 如权利要求 1所述的脉象采集装置, 其特征在于, 所述脉象采集 装置还包括与所述传感器组件连接的定位组件,所述定位组件上具有定位 窗口,所述传感器组件的底部具有采集窗口,所述传感器探测头穿过所述 采集窗口和所述定位窗口压在人手腕部釆集脉搏信号。 '
6、 如权利要求 5所述的脉象采集装置, 其特征在于, 所述传感器组 件的外壳上设有卡扣,所述定位组件的外框上具有卡槽,安装时所述卡扣 卡设在所述卡槽内。
7、 如权利要求 5所述的脉象采集装置,其特征在于, 所述的定位窗 口四周具有用于对准脉搏位置的定位标记。
8、 如权利要求 7所述的脉象采集装置,其特征在于, 所述的定位标 记设置在所述定位窗口四边的中心位置,所述传感器探测头位于所述采集 窗口的中心位置。
9、 一种脉象采集方法; 其特征在于, 包括如下步骤:
( 1 ) 电机转动带动升降结构上升, 至升降结构到达初始位置;
(2 ) 电机转动带动升降结构下降一个设定的距离, 判断升降结构是 否到达极限位置,如果是则停止测量,如果否则传感器探测头采集压力信 号;
( 3 ) 重复步骤 (2), 判断当前采集的压力信号是否强于前一次采集 的压力信号, 如果否则停止测量。
10、 如权利要求 9所述的脉象采集方法, 其特征在于, 步骤(1 )所 述的判断升降结构是否到达极限位置的方法为:判断升降结构的凸部是否 到达第一光电耦合器的位置; 步骤 (2 ) 所述的判断升降结构是否到达极 限位置的方法为: 判断升降结构的凸部是否到达第二光电耦合器的位置。
11、 如权利要求 9所述的脉象采集方法, 其特征在于, 所述传感器 探测头在初始位置和极限位置的行程范围为 0— 25mm。
PCT/CN2010/000661 2009-09-21 2010-05-10 脉象采集装置及方法 WO2011032345A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2011127816/14A RU2531691C2 (ru) 2009-09-21 2010-05-10 Устройство и способ для сбора информации, которую несет пульс
US13/177,289 US20110306889A1 (en) 2009-09-21 2011-07-06 Pulse Condition Acquisition Apparatus And Method

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CN2009100579206A CN102018500B (zh) 2009-09-21 2009-09-21 脉象采集装置
CN200910057920.6 2009-09-21

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