WO2019119669A1 - Blood pressure monitoring device based on smart device - Google Patents

Blood pressure monitoring device based on smart device Download PDF

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WO2019119669A1
WO2019119669A1 PCT/CN2018/080632 CN2018080632W WO2019119669A1 WO 2019119669 A1 WO2019119669 A1 WO 2019119669A1 CN 2018080632 W CN2018080632 W CN 2018080632W WO 2019119669 A1 WO2019119669 A1 WO 2019119669A1
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blood pressure
smart device
pressure monitoring
processor
monitoring device
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PCT/CN2018/080632
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French (fr)
Chinese (zh)
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余长泉
沈盈
张娜
徐伟
吴舒
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苏州安莱光电科技有限公司
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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
    • A61B5/021Measuring pressure in heart or blood vessels
    • A61B5/02108Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
    • A61B5/02125Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave propagation time
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • 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
    • A61B5/6887Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6898Portable consumer electronic devices, e.g. music players, telephones, tablet computers

Definitions

  • the invention relates to the technical field of blood pressure monitoring, and in particular to a blood pressure monitoring device based on a smart device.
  • the blood pressure measuring device used in hospitals and homes is mainly based on the Korotkoff method or the oscillometric method.
  • the cuff needs to be inflated and deflated, and only the blood pressure at a certain moment can be measured. Value, continuous monitoring of blood pressure; and once measured blood pressure, the measurement position of the arm or wrist and the corresponding internal blood vessels will be deformed and affected by the cuff pressure for a short period of time, and the square will be measured again in a short time. Blood pressure can affect accuracy.
  • the cuff also exerts pressure on the measurement position of the arm or wrist of the object to be measured, causing discomfort to the subject.
  • the blood pressure of the human body changes with the physiological cycle, personal emotions, external and internal stimuli, and has obvious volatility. Because blood pressure parameters are affected by many factors such as physical condition, environmental conditions and physiological rhythm, the results of single measurement or intermittent measurement are quite different, while the continuous measurement method can measure blood pressure in each cardiac cycle, in clinical and medical research. It has a more important meaning, so a more convenient blood pressure monitoring device is needed.
  • the technical problem to be solved by the present invention is to provide a blood pressure monitoring device based on a smart device, which can be measured at any time anywhere, is convenient to operate, and does not require special personnel to help.
  • a technical solution adopted by the present invention is to provide a smart device-based blood pressure monitoring device, including a smart device including a processor, and two or more photoelectric detectors are disposed in the smart device.
  • the processor is respectively controlled by linear connection with a photodetector including, but not limited to, a light sensor, a proximity sensor and a camera, the photodetector being disposed on two different finger ends of the monitored human body Pulse monitoring is performed, and the photodetector transmits pulse information to the processor to calculate a pulse wave transit time, thereby calculating blood pressure.
  • the smart device includes, but is not limited to, a smartphone and a tablet.
  • the smart device is provided with a display screen and a memory, the memory is connected to the processor, and the display screen is connected to the processor to display blood pressure information.
  • the smart device is provided with a mobile power source for power supply.
  • the light sensor is a visible light detector that receives transmitted or reflected visible light.
  • the proximity sensor is an infrared light transceiver that emits and receives reflected infrared light.
  • the operating wavelength band of the photodetector includes, but is not limited to, a visible light band and an infrared band.
  • the invention has the beneficial effects that the intelligent device-based blood pressure monitoring device pointed out by the invention has simple operation, good process comfort and no risk, and can be used for carrying out blood pressure measurement at any time and anywhere based on the mobile phone as a carrier, thereby reducing the use cost.
  • the person can operate, does not need special personnel to help, has the characteristics of small size, portability, non-wearing, etc., which is conducive to continuous monitoring of blood pressure.
  • FIG. 1 is a schematic structural view of a smart device-based blood pressure monitoring device according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic diagram showing the principle of monitoring a finger pulse wave by a photoelectric sensor in a smart device-based blood pressure monitoring device according to the present invention
  • Fig. 3 exemplarily shows the pulse wave signals acquired on the thumb and forefinger, wherein the abscissa is time and the ordinate is amplitude, and the pulse transit time PTT is exemplarily shown in the figure.
  • an embodiment of the present invention includes:
  • a smart device-based blood pressure monitoring device includes a smart device including a processor, wherein the smart device is provided with two photodetectors, one photodetector selects a light sensor or a proximity sensor, and another photodetector selects a camera, wherein the processor is separately connected to the photodetector for performing pulse monitoring, wherein the photodetector is disposed on two different finger ends of the monitored human body, and the photodetector transmits the pulse information to the processor.
  • the pulse wave transit time is calculated, and the blood pressure is calculated.
  • h is the thickness of the vessel wall
  • E is the Young's modulus of elasticity of the tube wall
  • D is the inner diameter of the elastic tube in equilibrium
  • is the density of the blood.
  • Equation 2 PWV is related to the elastic size of the arterial wall. The greater the elasticity, the smaller the elastic modulus E is, the slower the pulse wave propagation speed is, and vice versa.
  • E 0 is the vascular elastic modulus at zero pressure
  • P tm is the vascular trans-wall pressure
  • is an amount characterizing the vascular characteristics, and the value is 0.016 to 0.018 mmHg -1 .
  • Equation 3 Bringing Equation 3 into Equation 2 gives the relationship between PWV and P tm :
  • the transmitted light is received by a light sensor built into the smart device, which is a visible light detector that receives transmitted or reflected visible light.
  • the transmission of light to the skin, bones, muscles, and fat of the human body is a fixed value, and the capillary and arteriovenous veins become larger and smaller as the pulse volume continuously increases, so the transmission of light is a fluctuation value.
  • the transmitted ripple value can be received by the photosensor in the light sensor.
  • the infrared light emitting tube in the proximity sensor of the smart device is used to emit infrared rays to the finger, and the proximity sensor emits and receives the reflected infrared light for the infrared light transceiver.
  • the soft tissue of the finger transmits weak infrared light, and the part that hits the phalanx is reflected back, and the reflected light can be modulated by the pulsation of the capillaries. Therefore, the infrared receiving tube of the proximity sensor can receive infrared light that changes in intensity with the pulse, and the built-in camera of the smart device can directly capture the pulsation of the capillary.
  • the pulse transit time is calculated, thereby obtaining blood pressure information.
  • the smart device is provided with a display screen and a memory, and the memory is connected to the processor for information storage and retrieval, and the display screen is connected to the processor to display blood pressure information.
  • the smart device is provided with a mobile power source for power supply, and the movement is flexible.
  • smart phones, tablets and other smart devices can be used as carriers for monitoring devices. In today's society, smart phones and tablets are widely used, which greatly reduces the cost of monitoring devices, and is portable, anytime, anywhere. Blood pressure monitoring improves ease of use.
  • the smart device-based blood pressure monitoring device pointed out by the invention has good portability, low use cost, convenient operation, convenient continuous blood pressure monitoring, and wide application range.

Abstract

Disclosed in the invention is a blood pressure monitoring device on the basis of a smart device comprising a smart device with a processor, wherein two or more photoelectric detectors are arranged in the smart device, the processor is linearly connected with the photoelectric detectors for controlling. The photoelectric detector comprises, but not limited to, a light sensor, a proximity sensor and a camera. The photoelectric detectors are arranged on two different finger tips of a monitored human body for pulse monitoring. The photoelectric detectors transmit pulse information to the processor to calculate pulse wave conduction time and then calculate the blood pressure. In this way, the blood pressure monitoring device of the invention is simple in operation, comfortable in process, free of risks, capable of measuring the blood pressure at any time and any place with a cell phone as the carrier and capable of reducing use cost and being operated by a single person.

Description

一种基于智能设备的血压监测装置Blood pressure monitoring device based on smart device 技术领域Technical field
本发明涉及血压监测技术领域,特别是涉及一种基于智能设备的血压监测装置。The invention relates to the technical field of blood pressure monitoring, and in particular to a blood pressure monitoring device based on a smart device.
背景技术Background technique
医院和家庭中所使用的血压测量装置,主要是基于柯氏音法或示波法,虽然能够较为准确地测量出血压值,但袖带需要充气放气,只能测量出某个时刻的血压值,无法对血压进行连续监测;而且一次测量血压后,手臂或者手腕等测量位置及相应的内部血管会因袖带压力产生短时间内一定的形变和影响,短时间内再次用该方方测量血压,会影响准确性。此外,袖带还会对被测对象的手臂或者手腕等测量位置产生压力,使被测者产生不适感。The blood pressure measuring device used in hospitals and homes is mainly based on the Korotkoff method or the oscillometric method. Although the blood pressure value can be measured more accurately, the cuff needs to be inflated and deflated, and only the blood pressure at a certain moment can be measured. Value, continuous monitoring of blood pressure; and once measured blood pressure, the measurement position of the arm or wrist and the corresponding internal blood vessels will be deformed and affected by the cuff pressure for a short period of time, and the square will be measured again in a short time. Blood pressure can affect accuracy. In addition, the cuff also exerts pressure on the measurement position of the arm or wrist of the object to be measured, causing discomfort to the subject.
人体血压随着生理周期、个人情绪、外界和内在的各种刺激而产生变化,具有明显的波动性。由于血压参数受身体状况、环境条件及生理韵律等诸多因素的影响,单次测量或断续测量的结果存在较大差别,而连续测量方式可在每个心动周期测量血压,在临床和医学研究中具有更重要的意义,因此需要更加便利的血压监测装置。The blood pressure of the human body changes with the physiological cycle, personal emotions, external and internal stimuli, and has obvious volatility. Because blood pressure parameters are affected by many factors such as physical condition, environmental conditions and physiological rhythm, the results of single measurement or intermittent measurement are quite different, while the continuous measurement method can measure blood pressure in each cardiac cycle, in clinical and medical research. It has a more important meaning, so a more convenient blood pressure monitoring device is needed.
发明内容Summary of the invention
本发明主要解决的技术问题是提供一种基于智能设备的血压监测装置,可以在任何地方随时进行测量,方便操作,不需要专门的人员帮助。The technical problem to be solved by the present invention is to provide a blood pressure monitoring device based on a smart device, which can be measured at any time anywhere, is convenient to operate, and does not require special personnel to help.
为解决上述技术问题,本发明采用的一个技术方案是:提供一种基于智能设备的血压监测装置,包括含有处理器的智能设备,所述智能设备内设置有两种或者两种以上的光电探测器,所述处理器分别与光电探测器线性连接进行控 制,所述光电探测器包括但不限于光线传感器、接近传感器和摄像头,所述光电探测器设置在被监测人体两个不同的指端上进行脉搏监测,所述光电探测器把脉搏信息传输给处理器进行计算脉搏波传导时间,进而计算得到血压。In order to solve the above technical problem, a technical solution adopted by the present invention is to provide a smart device-based blood pressure monitoring device, including a smart device including a processor, and two or more photoelectric detectors are disposed in the smart device. The processor is respectively controlled by linear connection with a photodetector including, but not limited to, a light sensor, a proximity sensor and a camera, the photodetector being disposed on two different finger ends of the monitored human body Pulse monitoring is performed, and the photodetector transmits pulse information to the processor to calculate a pulse wave transit time, thereby calculating blood pressure.
在本发明一个较佳实施例中,所述智能设备包括但不限于智能手机和平板电脑。In a preferred embodiment of the invention, the smart device includes, but is not limited to, a smartphone and a tablet.
在本发明一个较佳实施例中,所述智能设备上设置有显示屏幕和存储器,所述存储器与处理器相连接,所述显示屏幕与处理器相连接,显示血压信息。In a preferred embodiment of the present invention, the smart device is provided with a display screen and a memory, the memory is connected to the processor, and the display screen is connected to the processor to display blood pressure information.
在本发明一个较佳实施例中,所述智能设备中设置有移动电源进行供电。In a preferred embodiment of the present invention, the smart device is provided with a mobile power source for power supply.
在本发明一个较佳实施例中,所述光线传感器为可见光探测器而接收透射或反射的可见光。In a preferred embodiment of the invention, the light sensor is a visible light detector that receives transmitted or reflected visible light.
在本发明一个较佳实施例中,所述接近传感器为红外光收发器而发射并接收反射的红外光。In a preferred embodiment of the invention, the proximity sensor is an infrared light transceiver that emits and receives reflected infrared light.
在本发明一个较佳实施例中,所述光电探测器的工作波段包括但不限于可见光波段和红外波段。In a preferred embodiment of the invention, the operating wavelength band of the photodetector includes, but is not limited to, a visible light band and an infrared band.
本发明的有益效果是:本发明指出的一种基于智能设备的血压监测装置,操作简便,过程舒适性好,没有任何风险,可以基于手机作为载体,随时随地进行血压测量,降低使用成本,单人即可操作,不需要专门的人员帮助,具有体积小、便携性强、非穿戴式等特点,有利于连续监测血压。The invention has the beneficial effects that the intelligent device-based blood pressure monitoring device pointed out by the invention has simple operation, good process comfort and no risk, and can be used for carrying out blood pressure measurement at any time and anywhere based on the mobile phone as a carrier, thereby reducing the use cost. The person can operate, does not need special personnel to help, has the characteristics of small size, portability, non-wearing, etc., which is conducive to continuous monitoring of blood pressure.
附图说明DRAWINGS
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的附图,其中:In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained according to these drawings without any creative work, wherein:
图1是本发明一种基于智能设备的血压监测装置一较佳实施例的结构示意图;1 is a schematic structural view of a smart device-based blood pressure monitoring device according to a preferred embodiment of the present invention;
图2是利用本发明一种基于智能设备的血压监测装置中光电传感器监测手指脉搏波的原理示意图;2 is a schematic diagram showing the principle of monitoring a finger pulse wave by a photoelectric sensor in a smart device-based blood pressure monitoring device according to the present invention;
图3示例性的展示了在拇指和食指采集得到的脉搏波信号,其中横坐标是时间,纵坐标为幅度,图中示例性的表示出了脉搏传导时间PTT。Fig. 3 exemplarily shows the pulse wave signals acquired on the thumb and forefinger, wherein the abscissa is time and the ordinate is amplitude, and the pulse transit time PTT is exemplarily shown in the figure.
具体实施方式Detailed ways
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
请参阅图1~图3,本发明实施例包括:Referring to FIG. 1 to FIG. 3, an embodiment of the present invention includes:
一种基于智能设备的血压监测装置,包括含有处理器的智能设备,所述智能设备内设置有两种光电探测器,一种光电探测器选择光线传感器或者接近传感器,另一种光电探测器选择摄像头,所述处理器分别与光电探测器线性连接进行控制,所述光电探测器设置在被监测人体两个不同的指端上进行脉搏监测,所述光电探测器把脉搏信息传输给处理器进行计算脉搏波传导时间,进而计算得到血压。A smart device-based blood pressure monitoring device includes a smart device including a processor, wherein the smart device is provided with two photodetectors, one photodetector selects a light sensor or a proximity sensor, and another photodetector selects a camera, wherein the processor is separately connected to the photodetector for performing pulse monitoring, wherein the photodetector is disposed on two different finger ends of the monitored human body, and the photodetector transmits the pulse information to the processor. The pulse wave transit time is calculated, and the blood pressure is calculated.
Moens与Korteweg对脉搏波传播速度做了实验,给出波速公式为:Moens and Korteweg experimented with the pulse wave propagation velocity, giving the wave velocity formula as:
Figure PCTCN2018080632-appb-000001
Figure PCTCN2018080632-appb-000001
其中,h为血管壁的厚度,E是管壁的杨氏弹性模量,D是平衡状态下弹性管的内径,ρ是血液的密度。Where h is the thickness of the vessel wall, E is the Young's modulus of elasticity of the tube wall, D is the inner diameter of the elastic tube in equilibrium, and ρ is the density of the blood.
对于人体主动脉脉搏波的波速:For the wave velocity of the human aorta pulse wave:
Figure PCTCN2018080632-appb-000002
Figure PCTCN2018080632-appb-000002
其中,人体主动脉的K=0.8。Among them, the human aorta has K=0.8.
从式2可以看出,PWV与动脉管壁的弹性大小有关,弹性越大则弹性模量E越小,则脉搏波的传播速度越慢,反之则越快。It can be seen from Equation 2 that PWV is related to the elastic size of the arterial wall. The greater the elasticity, the smaller the elastic modulus E is, the slower the pulse wave propagation speed is, and vice versa.
Hughes等人对动脉管壁弹性模量的模型进行了研究,给出了弹性模量E与血管跨壁压(P tm)之间的关系式: Hughes et al. studied the model of the elastic modulus of the arterial wall and gave the relationship between the elastic modulus E and the transmural pressure (P tm ) of the vessel:
Figure PCTCN2018080632-appb-000003
Figure PCTCN2018080632-appb-000003
其中,E 0是压力为零时的血管弹性模量,P tm是血管跨壁压,α是表征血管特征的一个量,数值为0.016~0.018mmHg -1Where E 0 is the vascular elastic modulus at zero pressure, P tm is the vascular trans-wall pressure, and α is an amount characterizing the vascular characteristics, and the value is 0.016 to 0.018 mmHg -1 .
将式3带入式2可以得到PWV与P tm之间的关系: Bringing Equation 3 into Equation 2 gives the relationship between PWV and P tm :
Figure PCTCN2018080632-appb-000004
Figure PCTCN2018080632-appb-000004
另外,PWV=L/T,L为经过的距离,T为传播时间。In addition, PWV=L/T, L is the elapsed distance, and T is the propagation time.
将其带入式4,可得脉搏波传导时间T与血管跨壁压的关系:Bringing it into Equation 4, the relationship between the pulse wave transit time T and the transvascular wall pressure can be obtained:
Figure PCTCN2018080632-appb-000005
Figure PCTCN2018080632-appb-000005
利用智能设备内置的光线传感器接收透射光,所述光线传感器为可见光探测器而接收透射或反射的可见光。人体的皮肤、骨骼、肌肉以及脂肪等对光的透射是固定值,而毛细血管和动静脉会随着脉搏容积不停变大变小,所以对光的透射是波动值。透射回来的波动值可被光线传感器中的光敏器件接收。The transmitted light is received by a light sensor built into the smart device, which is a visible light detector that receives transmitted or reflected visible light. The transmission of light to the skin, bones, muscles, and fat of the human body is a fixed value, and the capillary and arteriovenous veins become larger and smaller as the pulse volume continuously increases, so the transmission of light is a fluctuation value. The transmitted ripple value can be received by the photosensor in the light sensor.
同样,利用智能设备内置接近传感器中的红外光发射管向手指发射红外线, 所述接近传感器为红外光收发器而发射并接收反射的红外光。手指的软组织能透过微弱的红外光,其中碰到指骨的部分会被反射回来,反射光可被毛细血管的搏动所调制。因此接近传感器的红外接收管可以接收到与脉搏同步作强弱变化的红外光,而利用智能设备内置摄像头可以直接捕捉到毛细血管的搏动。Also, the infrared light emitting tube in the proximity sensor of the smart device is used to emit infrared rays to the finger, and the proximity sensor emits and receives the reflected infrared light for the infrared light transceiver. The soft tissue of the finger transmits weak infrared light, and the part that hits the phalanx is reflected back, and the reflected light can be modulated by the pulsation of the capillaries. Therefore, the infrared receiving tube of the proximity sensor can receive infrared light that changes in intensity with the pulse, and the built-in camera of the smart device can directly capture the pulsation of the capillary.
通过采集、处理,提取可得到不同手指位置的脉搏,计算脉搏传导时间,从而得到血压信息。By collecting, processing, and extracting the pulse of different finger positions, the pulse transit time is calculated, thereby obtaining blood pressure information.
所述智能设备上设置有显示屏幕和存储器,所述存储器与处理器相连接进行信息存储和调取,所述显示屏幕与处理器相连接,显示血压信息。所述智能设备中设置有移动电源进行供电,移动灵活。实际应用中,可以采用智能手机、平板电脑及其它智能设备作为监测装置的载体,当今社会,智能手机和平板电脑的使用非常广泛,大大降低了监测装置的使用成本,便携性好,随时随地进行血压监测,提升了使用便利性。The smart device is provided with a display screen and a memory, and the memory is connected to the processor for information storage and retrieval, and the display screen is connected to the processor to display blood pressure information. The smart device is provided with a mobile power source for power supply, and the movement is flexible. In practical applications, smart phones, tablets and other smart devices can be used as carriers for monitoring devices. In today's society, smart phones and tablets are widely used, which greatly reduces the cost of monitoring devices, and is portable, anytime, anywhere. Blood pressure monitoring improves ease of use.
综上所述,本发明指出的一种基于智能设备的血压监测装置,便携性好,使用成本低,操作方便,方便连续进行血压监测,适用范围广泛。In summary, the smart device-based blood pressure monitoring device pointed out by the invention has good portability, low use cost, convenient operation, convenient continuous blood pressure monitoring, and wide application range.
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其它相关的技术领域,均同理包括在本发明的专利保护范围内。The above is only the embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification of the present invention, or directly or indirectly applied to other related technical fields, The same is included in the scope of patent protection of the present invention.

Claims (7)

  1. 一种基于智能设备的血压监测装置,用于人体血压的便携式监测,其特征在于,包括含有处理器的智能设备,所述智能设备内设置有两种或者两种以上的光电探测器,所述处理器分别与光电探测器线性连接进行控制,所述光电探测器包括但不限于光线传感器、接近传感器和摄像头,所述光电探测器设置在被监测人体两个不同的指端上进行脉搏监测,所述光电探测器把脉搏信息传输给处理器进行计算脉搏波传导时间,进而计算得到血压。A smart device-based blood pressure monitoring device for portable monitoring of human blood pressure, comprising: a smart device including a processor, wherein two or more photodetectors are disposed in the smart device, The processor is respectively controlled by linear connection with a photodetector, including but not limited to a light sensor, a proximity sensor and a camera, wherein the photodetector is disposed on two different finger ends of the monitored human body for pulse monitoring, The photodetector transmits pulse information to the processor to calculate a pulse wave transit time, thereby calculating blood pressure.
  2. 根据权利要求1所述的基于智能设备的血压监测装置,其特征在于,所述智能设备包括但不限于智能手机和平板电脑。The smart device-based blood pressure monitoring device of claim 1, wherein the smart device comprises, but is not limited to, a smartphone and a tablet.
  3. 根据权利要求1所述的基于智能设备的血压监测装置,其特征在于,所述智能设备上设置有显示屏幕和存储器,所述存储器与处理器相连接,所述显示屏幕与处理器相连接,显示血压信息。The smart device-based blood pressure monitoring device according to claim 1, wherein the smart device is provided with a display screen and a memory, the memory is connected to a processor, and the display screen is connected to the processor. Display blood pressure information.
  4. 根据权利要求1所述的基于智能设备的血压监测装置,其特征在于,所述智能设备中设置有移动电源进行供电。The smart device-based blood pressure monitoring device according to claim 1, wherein the smart device is provided with a mobile power source for supplying power.
  5. 根据权利要求1所述的基于智能设备的血压监测装置,其特征在于,所述光线传感器为可见光探测器而接收透射或反射的可见光。The smart device-based blood pressure monitoring device according to claim 1, wherein the light sensor is a visible light detector that receives transmitted or reflected visible light.
  6. 根据权利要求1所述的基于智能设备的血压监测装置,其特征在于,所述接近传感器为红外光收发器而发射并接收反射的红外光。The smart device-based blood pressure monitoring device according to claim 1, wherein the proximity sensor is an infrared light transceiver that emits and receives reflected infrared light.
  7. 根据权利要求1所述的基于智能设备的血压监测装置,其特征在于,所述光电探测器的工作波段包括但不限于可见光波段和红外波段。The smart device-based blood pressure monitoring device according to claim 1, wherein the working wavelength band of the photodetector includes, but is not limited to, a visible light band and an infrared band.
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