WO2019023989A1 - Procédé d'analyse et système d'analyse de paramètres physiologiques de corps humain sur la base d'un terminal intelligent - Google Patents

Procédé d'analyse et système d'analyse de paramètres physiologiques de corps humain sur la base d'un terminal intelligent Download PDF

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Publication number
WO2019023989A1
WO2019023989A1 PCT/CN2017/095633 CN2017095633W WO2019023989A1 WO 2019023989 A1 WO2019023989 A1 WO 2019023989A1 CN 2017095633 W CN2017095633 W CN 2017095633W WO 2019023989 A1 WO2019023989 A1 WO 2019023989A1
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Prior art keywords
pulse
fingerprint
smart terminal
detecting
finger
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PCT/CN2017/095633
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English (en)
Chinese (zh)
Inventor
李勇
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深圳传音通讯有限公司
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Priority to PCT/CN2017/095633 priority Critical patent/WO2019023989A1/fr
Publication of WO2019023989A1 publication Critical patent/WO2019023989A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, 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

Definitions

  • the invention relates to the field of intelligent terminals, in particular to a human body physiological parameter testing method and an inspection system based on an intelligent terminal.
  • smart terminals have become an indispensable part of people's lives, and can achieve many functions that are closely related to life.
  • the intelligent terminal is involved in a wide range, and may be a smart phone, a notebook computer, a tablet computer, a multimedia player, or the like. If the corresponding human physiological parameter detecting module or device can be integrated on the smart terminal, the user can satisfy the requirement of physiological parameter detection only by using the smart terminal, which will bring great convenience to the user.
  • the Chinese invention patent publication discloses a system and method for detecting a pulse wave using a smartphone audio port, so that all smart phones can expand the pulse wave.
  • the detection and analysis function comprises a smart phone, a pulse wave detector and a pulse wave analysis system, wherein the pulse wave analysis system is installed in the smart phone system, and the smart phone and the pulse wave detector are connected through the earphone port on the smart phone;
  • the system controls the left and right channels of the smart phone audio port to send power supply signals and carrier signals through the pulse wave analysis software on the smart phone, and receives the output of the detector through the microphone end of the audio port.
  • the pulse wave signal is modulated, the audio module completes the A/D conversion, and the pulse wave analysis system demodulates it into a digital pulse wave signal, which can perform real-time display and real-time analysis of the pulse wave waveform on the smart phone, and analyze the result of local storage and cloud storage. .
  • the device must occupy the audio port of the smartphone when using the device, and cannot use the earphone or speaker to realize the audio playback function at the same time, and can not use the earphone to make a call;
  • the invention discloses a human body physiological parameter detecting method based on an intelligent terminal, comprising the following steps:
  • the fingerprint detecting module of the smart terminal receives a finger pressing operation
  • the first pulse detecting unit of the smart terminal detects and records first pulse waveform information on the finger
  • the smart terminal analyzes the first pulse waveform information to obtain a pulse parameter
  • the smart terminal displays an analysis result including the pulse parameter.
  • the finger pressing time is not less than a time threshold preset in the smart terminal.
  • the step of the first pulse detecting unit of the smart terminal detecting and recording the first pulse waveform information on the finger and the step of the smart terminal analyzing the first pulse waveform information to obtain the pulse parameter further includes:
  • the second pulse detecting unit of the smart terminal detects and records second pulse waveform information on the wrist.
  • the step of the smart terminal analyzing the first pulse waveform information to obtain a pulse parameter further includes:
  • the pulse wave transmission speed is converted into a blood pressure value.
  • the fingerprint detecting module of the smart terminal receives a finger pressing operation step and the first pulse detecting unit of the smart terminal detects and records the first pulse waveform information on the finger, and the detecting method further include:
  • the fingerprint detecting module collects a fingerprint of the finger
  • the detection method further includes:
  • the analysis result is sent according to the contact information associated with the preset fingerprint.
  • the invention also discloses a human body physiological parameter detecting system based on an intelligent terminal, the detecting system comprising:
  • a first pulse detecting unit disposed inside the fingerprint detecting module, detecting and recording first pulse waveform information on the finger;
  • An analysis module connected to the first pulse detecting unit, analyzing the first pulse waveform information to obtain a pulse parameter
  • a display module is coupled to the analysis module to display an analysis result including the pulse parameter.
  • the finger pressing time is not less than a time threshold preset in the smart terminal.
  • the second pulse detecting unit is disposed in the smart terminal, and receives a wrist pressing operation while detecting and recording the second pulse waveform information on the wrist.
  • the analysis module comprises:
  • Comparing unit comparing the first pulse waveform information with the second pulse waveform information
  • Calculating unit calculating a pulse wave transmission speed
  • the conversion unit converts the pulse wave transmission speed into a blood pressure value.
  • the detection system further comprises:
  • the fingerprint matching module is connected to the fingerprint detecting module, and determines whether the fingerprint of the finger matches a preset fingerprint preset in the smart terminal;
  • the information sending module is connected to the analysis module and the fingerprint matching module, and when the fingerprint matching module determines that the fingerprint of the finger matches the preset fingerprint, sending the information according to the contact information associated with the preset fingerprint Analysis results.
  • physiological parameters detected including physiological parameters including pulse and blood pressure
  • FIG. 1 is a schematic flow chart of a human body physiological parameter testing method based on a smart terminal according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a human body physiological parameter testing method based on an intelligent terminal according to another preferred embodiment of the present invention
  • FIG. 3 is a schematic flow chart of a human body physiological parameter testing method based on a smart terminal according to still another preferred embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a human body physiological parameter testing method based on an intelligent terminal according to still another preferred embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a human physiological parameter testing system based on an intelligent terminal according to a preferred embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a human body physiological parameter testing system based on an intelligent terminal according to another preferred embodiment of the present invention.
  • FIG. 7 is a schematic structural view of an analysis module in accordance with a preferred embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a human body physiological parameter testing system based on a smart terminal according to still another preferred embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of an intelligent terminal according to a preferred embodiment of the present invention.
  • FIG. 1 a flow of a human body physiological parameter testing method based on a smart terminal according to a preferred embodiment of the present invention is shown.
  • the schematic diagram of the human body is tested by the following steps:
  • the fingerprint detecting module of the smart terminal receives a finger pressing operation.
  • the smart terminal may be a terminal device with a fingerprint detection function such as a smart phone, a tablet computer, a notebook computer, or a multimedia player.
  • the fingerprint detecting module is a software and hardware integrated module, and the hardware part is disposed on the surface of the smart terminal, and can receive external fingerprint information and convert it into a digital signal; the software part transmits the fingerprint information to other modules in the smart terminal for subsequent processing. .
  • the fingerprint detecting module receives a finger pressing operation, that is, the user presses a finger on the fingerprint detecting module to provide body part contact for subsequent physiological parameter detection.
  • the first pulse detecting unit of the smart terminal detects and records the first pulse waveform information on the finger.
  • the first pulse detecting unit may be a pulse sensor that detects first pulse wave information on the finger at a finger pressing device.
  • the prior art has mature solutions for detecting pulse waves, and pulse sensors also have mature market products.
  • Pulse sensors are divided into: infrared pulse sensor, heart rate pulse sensor, photoelectric pulse sensor, wrist pulse sensor, digital pulse sensor, heart pulse sensor, and integrated pulse sensor.
  • a pulse sensor that can be integrated in the fingerprint detecting module is adopted, and the pulse sensor collects pulse wave information when the finger is pressed on the fingerprint detecting module.
  • the first pulse wave information is a waveform of a human body pulse wave, including peaks and valleys, and has a periodicity, and its period is a pulse.
  • the pulse wave is formed by the heart's pulsation (vibration) propagating along the arterial blood vessels and blood flow to the periphery. Therefore, the speed of propagation depends on the physical and geometric properties of the propagation medium, ie the elasticity of the artery, the size of the lumen, the density of the blood, and Viscosity, etc., especially related to the elasticity, caliber and thickness of the arterial wall.
  • the experiment found that the greater the elasticity of the arterial blood vessels (ie, the greater the compliance), the smaller the propagation speed of the pulse wave; the smaller the arterial diameter, the greater the velocity. Therefore, the pulse wave travels more and more along the aorta to the aorta and then to the smaller arteries.
  • S3 The smart terminal analyzes the first pulse waveform information to obtain a pulse parameter.
  • the first pulse waveform information obtained in step S2 cannot be directly presented to the user as an analysis result, so the pulse wave itself is only a set of waveforms, and the non-professional can not obtain the final analysis result only by the waveform.
  • This step combines the time dimension to find two adjacent peaks or troughs in the first pulse waveform to obtain a pulse.
  • the first pulse waveform information is digitized, it exists in the form of image pixels, each pixel has coordinates; only need to find the two highest or lowest coordinates adjacent to each other, and corresponding to the recorded time information, the pulse period can be obtained. And dividing the pulse period by 1 minute to obtain a pulse number of one minute, that is, a pulse parameter value.
  • S4 The smart terminal displays an analysis result including the pulse parameter.
  • step S3 After the pulse parameter is obtained in step S3, it is also required to be displayed to the user, and finally the feedback of the detection result is completed.
  • This step displays the analysis result of the pulse parameter on the smart terminal.
  • the smart terminal has a display screen and an open display interface, and third-party software or modules can transmit information to be displayed through the display interface.
  • the analysis results displayed may include the pulse rate and the evaluation of the pulse parameters, and may also give suggestions for improving the health condition, such as strengthening the exercise, not doing strenuous exercise in a short period of time, and the like.
  • the present embodiment simply detects the physiological parameters of the user and displays them visually to the user, which is very convenient.
  • the finger pressing time is not less than a time threshold preset in the smart terminal.
  • the pressing operation of the finger must be made to be no less than a preset time threshold.
  • the time threshold is preferably 2.5 seconds, because the average person's pulse will not be lower than 50 times a minute, that is to say, the longest case of each pulse period is 1.2 seconds, then the time threshold can be 2.5 seconds to cover two pulses. The cycle guarantees the reliability of the detected data.
  • step S2 and the step S3 further include:
  • S5 the smart terminal receives a wrist pressing operation while receiving a finger pressing operation
  • the second pulse detecting unit of the smart terminal detects and records the second pulse waveform information on the wrist.
  • step S5 while the subject presses the finger on the fingerprint detecting module, the wrist must also be pressed on the smart terminal, in order to simultaneously detect the two pulse information on the finger and the wrist.
  • mainstream smartphone screens are all above 4.5 mph, which can meet the size requirements of simultaneously pressing fingers and wrists on the smartphone.
  • Smart terminals such as tablets and laptops are larger in size, so you only need to arrange the pulse sensors in the right place.
  • the second pulse detecting unit detects and records the second pulse waveform information on the wrist, and the second pulse detecting unit is similar to the function of the first pulse detecting unit, and can be selected according to the characteristics of the wrist.
  • a suitable pulse sensor such as a photoelectric pulse sensor.
  • step S3 is refined in the embodiment, and the step S3 includes:
  • step S3-1 the first pulse waveform information and the second pulse waveform information are first compared, mainly the time difference between the waveforms of the two waveforms and the amplitude difference. Since the second pulse information is synchronously recorded in step S6, The first pulse information and the second pulse information are placed in the same coordinate system for comparison.
  • the time difference between the two may first record the first peak occurrence time of the second pulse waveform, record the first peak occurrence time of the first pulse waveform, and calculate the time difference between the two moments.
  • the difference calculation method of the two amplitudes is relatively simple, and the amplitude amplitudes of the first pulse waveform and the second pulse waveform are respectively calculated, and then subtracted.
  • step S3-2 the pulse transmission speed is calculated based on step S3-1. Since the time difference between the first pulse waveform and the second pulse waveform is known, the human body pulse is passed from the proximal end to the distal end, that is, Passing from the wrist to the finger, you can know the pulse propagation speed by knowing the distance from the wrist to the finger. The distance parameter of the wrist to the finger may be preset in the smart terminal for calculation.
  • step S3-3 converting the pulse wave transmission speed into a blood pressure value can be realized by a linear calculation formula commonly used in the industry, or can be calculated using a regression analysis method.
  • the pulse wave transit time PWTT and the blood pressure BP are linear, and the formula is: Among them, A and B are coefficients, which can be obtained by a large number of experimental data.
  • the calculation method has been published in the literature "Analysis of arterial blood pressure using pulse wave propagation time" (Shandong University Master thesis), which will not be repeated here.
  • the calculation of blood pressure by regression analysis has been disclosed in the literature "Methods for Continuous Measurement of Blood Pressure Using Pulse Wave Characteristic Parameters” (Journal of Biomedical Engineering 2002), and will not be repeated herein.
  • the calculation of the blood pressure value is preferably performed by using the linear calculation formula, and it is not necessary to accumulate a large amount of detection data, the calculation amount is small, and the analysis result can be obtained relatively quickly.
  • step S7 is added between step S1 and step S2, and steps are added after step S4.
  • step S8 and step S9 are as follows:
  • the fingerprint detecting module collects a fingerprint of the finger
  • Step S7 is followed by step S1, and the fingerprint of the finger is collected.
  • the fingerprint detecting module can collect the fingerprint information of the finger and convert the information of the finger fingerprint into the fingerprint image information, and the technical means thereof is a well-known technology.
  • the preset fingerprint is a fingerprint that the user previously entered into the smart terminal, and is used for identity verification. Fingerprint matching technology is a relatively mature prior art and can be implemented by those skilled in the art.
  • step S9 is performed, and the analysis result is sent according to the contact information associated with the preset fingerprint.
  • the preset fingerprints are in one-to-one correspondence with the identity of the user, and each user may store personal contact information, such as a mailbox, a mobile phone number, etc., in the smart terminal in advance. Fingerprint After the matching is successful, the pre-stored user contact information may be found according to the preset fingerprint, and the analysis result is sent to the user mailbox or the mobile phone short message. In this embodiment, the identity of the user is recognized while detecting the physiological parameters of the user, and the analysis result is sent to the user for the user to save and consult.
  • the detecting system 10 includes:
  • the fingerprint detecting module 11 is disposed on the smart terminal 20 and receives a finger pressing operation to collect the fingerprint of the finger.
  • the fingerprint detecting module 11 can be a fingerprint identification sensor, and can collect the external fingerprint information, which is easy to implement by using the prior art.
  • the information that the fingerprint detecting module 11 collects the external fingerprint is mainly image information, and records the image information according to a corresponding data format.
  • the data format may be jpg (jpeg), bmp, tiff, raw, gif, png, etc., which are different according to the software requirements of the smart terminal.
  • the first pulse detecting unit 12 is disposed inside the fingerprint detecting module 11 and detects and records the first pulse waveform information on the finger.
  • the first pulse detection unit 12 may be a pulse sensor, preferably a photoelectric pulse sensor.
  • the photoelectric pulse sensor emits a light signal to a finger through a light emitting diode, and the blood tissue in the finger absorbs and reflects the light signal, causing a certain amplitude attenuation of the light signal; and the blood tissue periodically changes with the pulse. Therefore, the reflected optical signal will also periodically change and be converted into an electrical signal by the photosensitive component on the sensor.
  • the first pulse detecting unit 12 is disposed inside the fingerprint detecting module 11, so that when the user presses a finger on the fingerprint detecting module 11, the first pulse detecting unit 12 can also detect the finger, and The first pulse waveform information is recorded.
  • the analyzing module 13 is connected to the first pulse detecting unit 12, and analyzes the first pulse waveform information to obtain a pulse parameter.
  • the analysis module 13 is a software module, and the first pulse waveform information is acquired from the first pulse detecting unit 12 through a software interface, and the first pulse waveform information exists in an image form or an array form.
  • the analysis module 13 analyzes and calculates the pulse value of the pixel coordinates of the image or the waveform value stored in the array. The specific calculation method is described in the foregoing detection method embodiment, and details are not described herein again.
  • the pulse reference value may also be stored in the analysis module 13 to compare with the detected pulse value to obtain a comparison result that the pulse of the subject is faster or slower.
  • An expert knowledge base may also be provided in the analysis module 13, and corresponding health suggestions are given corresponding to different pulse values.
  • the display module 14 is connected to the analysis module 13 to display an analysis result including the pulse parameter.
  • the display module 14 may be a software and hardware integrated module including a screen, or may be just a software module.
  • the display module 14 obtains an analysis result from the analysis module 13 through a data interface, and the analysis result may be a text, a number, or even an image. If the display module 14 includes a screen, the analysis result can be directly displayed, and the analysis result is converted into a displayable physical signal by the display driving circuit. If the display module 14 is a software module, the analysis result to be displayed is transmitted to the display management module for display by performing data interaction with the display management module in the smart terminal 20.
  • the finger pressing time is not less than a time threshold preset in the smart terminal 20.
  • the purpose of the improvement is to ensure that the acquisition time of the first pulse detecting unit 12 is sufficient to cover at least one pulse period.
  • the time threshold is preferably 2.5 seconds, and a countdown can be displayed on the smart terminal 20 to prompt the subject to press for a sufficient time.
  • FIG. 6 and FIG. 9 is a schematic structural diagram of a human body physiological parameter testing system based on an intelligent terminal according to another preferred embodiment of the present invention, and a schematic structural diagram of the smart terminal 20.
  • the detecting system 10 further includes:
  • the second pulse detecting unit 15 is disposed in the smart terminal 20 and receives a wrist pressing operation while detecting and recording the second pulse waveform information on the wrist. It can be seen from FIG. 9 that the first pulse detecting unit 12 and the second pulse detecting unit 15 are respectively disposed at two ends of the smart terminal 20, and the first pulse detecting unit 12 is disposed in the fingerprint detecting module 11 Inside. In this embodiment, when the user performs the detecting operation, the finger is placed on the fingerprint detecting module 11 and the wrist is attached to the second pulse detecting unit 15. The size of the mainstream smart terminal 20 can satisfy the action. demand.
  • the second pulse detecting unit 15 is preferably a photoelectric pulse sensor that detects and records a periodic change of blood vessel tissue caused by a pulse on the wrist, and operates in the same manner as the first pulse detecting unit 12. Further, the first pulse detecting unit 12 and the second pulse detecting unit 15 synchronously collect pulse information for subsequent analysis use.
  • the analysis module 13 includes:
  • the comparing unit 131 compares the first pulse waveform information with the second pulse waveform information.
  • the comparison target of the comparison unit 131 is the time difference between the waveforms of the two and the difference in amplitude.
  • the first pulse information and the second pulse information may be compared in the same coordinate system, the abscissa is time, and the ordinate is amplitude.
  • the comparing unit 131 first records the first peak occurrence time of the second pulse waveform, and then records the first pulse wave The moment when the first peak of the shape appears, the time difference between the two moments can be calculated.
  • the comparing unit 131 separately calculates amplitude amplitudes of the first pulse waveform and the second pulse waveform, and then subtracts the difference between the two amplitudes.
  • the calculating unit 132 calculates and obtains a pulse wave transmission speed.
  • the calculating unit 132 acquires, from the comparing unit 131, a time difference between the first pulse waveform and the second pulse waveform, which is the time when the pulse wave is transmitted from the wrist of the detected subject to the finger.
  • the distance parameter of the wrist to the finger may be preset in the calculating unit 132, and then the distance parameter may be divided by the time difference to obtain the transmission speed of the pulse wave.
  • the conversion unit 133 converts the pulse wave transmission speed into a blood pressure value.
  • the conversion unit 132 stores therein a formula for converting the pulse wave propagation speed into a blood pressure value, and calculating a coefficient required. After the conversion unit 133 acquires the transmission speed of the pulse wave from the calculation unit 132, the blood pressure value can be calculated according to the formula.
  • the formula is: where BP is the blood pressure value, PWTT is the pulse wave transmission speed, and A and B are the coefficients.
  • FIG. 8 is a schematic structural diagram of a human body physiological parameter testing system based on a smart terminal according to still another preferred embodiment of the present invention.
  • the detecting system 10 further includes:
  • the fingerprint matching module 16 is connected to the fingerprint detecting module 11 to determine whether the fingerprint of the finger matches a preset fingerprint preset in the smart terminal 20.
  • the fingerprint information of the user is pre-set in the smart terminal 20 as a reference for fingerprint matching.
  • the fingerprint matching module 16 is a software module, and the detected fingerprint image information is obtained from the fingerprint detecting module 11 , and the detected fingerprint information is matched with the preset fingerprint by an image recognition algorithm to achieve a matching degree standard. The match is considered successful.
  • the matching criteria is preferably a 90% fingerprint image approximation.
  • the information sending module 17 is connected to the analysis module 13 and the fingerprint matching module 16, and when the fingerprint matching module 16 determines that the fingerprint of the finger matches the preset fingerprint, according to the association with the preset fingerprint The information is sent to the analysis result.
  • the information sending module 17 pre-stores the contact information of the preset fingerprint user, including a mailbox, a mobile phone number, and the like. After the fingerprint matching module 16 is successfully matched, the information sending module 17 acquires the analysis result from the analysis module 13, and sends the analysis result to the contact information associated with the preset fingerprint, so that the user can save and view.

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  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne un procédé d'analyse et un système d'analyse (10) de paramètres physiologiques de corps humain sur la base d'un terminal intelligent (20). Le procédé d'analyse comprend les étapes suivantes : un module de détection d'empreinte digitale d'un terminal intelligent (20) reçoit une opération de pressage par un doigt (S1); une première unité de détection d'impulsion du terminal intelligent (20) détecte et enregistre des premières informations de forme d'onde d'impulsion sur le doigt (S2); le terminal intelligent (20) analyse les premières informations de forme d'onde d'impulsion en vue d'obtenir un paramètre d'impulsion (S3); et le terminal intelligent (20) affiche un résultat d'analyse comprenant le paramètre d'impulsion (S4). Des paramètres physiologiques de corps humain peuvent être détectés sans monter un module externe sur le terminal intelligent (20); la portée des paramètres physiologiques détectés est étendue, et les paramètres physiologiques détectés comprennent une impulsion et une pression sanguine; et un résultat de détection peut être envoyé à un utilisateur au moyen d'informations de contact, de façon à faciliter l'examen de l'utilisateur.
PCT/CN2017/095633 2017-08-02 2017-08-02 Procédé d'analyse et système d'analyse de paramètres physiologiques de corps humain sur la base d'un terminal intelligent WO2019023989A1 (fr)

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