CN106175717A - Pulse signal measuring method, Apparatus and system - Google Patents
Pulse signal measuring method, Apparatus and system Download PDFInfo
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- CN106175717A CN106175717A CN201610561101.5A CN201610561101A CN106175717A CN 106175717 A CN106175717 A CN 106175717A CN 201610561101 A CN201610561101 A CN 201610561101A CN 106175717 A CN106175717 A CN 106175717A
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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
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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
- A61B5/48—Other medical applications
- A61B5/4854—Diagnosis based on concepts of traditional oriental medicine
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements 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
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
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Abstract
Embodiments providing a kind of pulse signal measuring method, Apparatus and system, the method comprises determining that the position of the artery surface of measurand；Obtain a force value, apply the contact pressure corresponding with described force value to the position of artery surface；Receive the pulse signal corresponding with contact pressure fed back by artery surface.In technique scheme, first the position of the artery surface of measurand is determined, then different pressures is used to cut, beating of pulse is converted to pulse waveform signal, distinguish the Back ground Information of different body constitution, compare from the standard information of different body constitution, multitone extrudes unusual fluctuations, further, pressure group match can also be carried out, being combined into the three-dimensional pulsation image being made up of time shaft, pressure axis, position axis, solve existing force-measuring type pulse condition transducer measures the problem that pulse signal precision is the highest.
Description
Technical field
The present invention relates to field of measuring technique, particularly relate to a kind of pulse signal measuring method, Apparatus and system.
Background technology
Existing force-measuring type pulse condition transducer still suffers from a big defect, i.e. can not take into account floating pulse with in, the detection of deep pulse and
Diagnosis.Utilize force-measuring type pulse condition transducer detection in arteries and veins, deep pulse time, from the pressure pulse wave obtained-arteries and veins position trendgram, determine with
The optimal pulse feeling pressure that maximum pressure pulse wave wave amplitude is corresponding, and diagnose according to optimal pulse feeling pressure value less than normal, bigger than normal
Arteries and veins, deep pulse.Finger sense when this process and result are felt the pulse with the traditional Chinese medical science is basically identical.But detect floating pulse with force-measuring type pulse condition transducer
Time, the biggest with the finger sense difference of traditional Chinese medical science feeling the pulse.Floating pulse to the finger sense of people be " lift have a surplus, the deficiency pressed ", " as breeze bird carries on the back
Upper hair " (" being on the point of lake pulse study vernacular solution ", People's Health Publisher).But during with force-measuring type pulse condition transducer detection floating pulse, gained
Optimal pulse feeling pressure value is more than referring to that face is felt greatly, so that being difficult to distinguish with middle arteries and veins.Arteries and veins position floating, in, heavy be Chinese medicine pulse
Basic feature information, if arteries and veins position is confused, to floating, onion, flood, void, moisten, dissipate, many pulse conditions such as leather can not correctly be returned
Class, even makes a definite diagnosis also bring along fascination to flat, heavy, weak pulse.If can not solve to diagnose floating pulse problem, even if from simplifying equipment
Angle, put aside that simple type pulse condition detection device is only discussed in the detection of sering form, its practical value is also little.
Solve comprehensively floating, in, the diagnosis of deep pulse sometimes more important than the width of objective diagnosis sering.In a word, Chinese physicians are difficult to use
Existing force-measuring type pulse condition transducer and consisting of pulse condition detection device confirm tradition Sphygmology and oneself warp comprehensively
Test.
It was verified that all there is this defect in aforementioned various force-measuring type pulse condition transducer.Due to force-measuring type pulse condition transducer
It is found to there is this defect, causes the rear class unit in existing Chinese medical pulse condition detector system, i.e. at Pulse Signals
Reason unit and Chinese medicine pulse display record unit also expose its weak point.Obviously, for real complete detection Traditional Chinese medicinal wrist
As, existing Chinese medical pulse condition detector also has the necessity improved.
Summary of the invention
In view of above-mentioned technical problem, the embodiment of the present invention provides a kind of pulse signal measuring method, Apparatus and system, solves
Existing force-measuring type pulse condition transducer measure the highest problem of pulse signal precision.
An aspect according to the embodiment of the present invention, it is provided that a kind of pulse signal measuring method, including:
Determine the position of the artery surface of measurand；
Obtain a force value, apply the contact pressure corresponding with described force value to the position of described artery surface；
Receive the pulse signal corresponding with described contact pressure fed back by artery surface.
Alternatively, described method also includes:
According to measuring the time of pulse signal, the force value measuring pulse signal and the position of artery surface, will receive
Pulse signal be converted into three-dimensional arterial image.
Alternatively, described method also includes:
Standard pulse signal curve corresponding with described measurand for three-dimensional arterial image is compared, obtains comparison knot
Really.
Alternatively, the position of the described artery surface determining measurand, including:
Ultrasound wave is sent to the position of artery surface；
Obtain the feedback signal fed back after described ultrasound wave arrives the position of described artery surface；
The position of described artery surface is calculated according to described feedback signal.
Alternatively, the described position to artery surface sends ultrasound wave, including:
Ultrasound wave is sent to the position of artery surface respectively by multiple acoustic wave emission unit in array distribution；
The feedback signal that the described ultrasound wave of described acquisition feeds back after arriving the position of described artery surface, including:
Receive described ultrasound wave by multiple acoustic receiver unit in array distribution and arrive the position of described artery surface
The feedback signal of rear feedback, the corresponding acoustic receiver unit of one of them acoustic wave emission unit.
Alternatively, calculate the position of described artery surface according to described feedback signal, including:
Sent the time difference of time by the reception time and described ultrasound wave calculating described feedback signal, calculate described dynamic
The position on arteries and veins surface.
Alternatively, for calculate the feedback signal of time difference by the signal of amplitude maximum in reception feedback signal.
According to another aspect of the embodiment of the present invention, additionally provide a kind of pulse signal measuring device, including:
Locating module, for determining the position of the artery surface of measurand；
Pressure applies module, for obtaining a force value, applies corresponding with described force value to the position of artery surface
Contact pressure；
Receiver module, for receiving the pulse signal corresponding with described contact pressure fed back by artery surface.
Alternatively, described device also includes:
Modular converter, for according to measuring the time of pulse signal, the force value measuring pulse signal and artery surface
Position, is converted into three-dimensional arterial image by the pulse signal received.
Alternatively, described locating module includes:
Ultrasonic transduction detector unit, for sending ultrasound wave to the position of artery surface, and obtains described ultrasound wave and arrives
The feedback signal fed back after reaching the position of described artery surface；
Processing unit, for calculating the position of described artery surface according to described feedback signal.
Alternatively, described ultrasonic transduction detector unit is array distribution, and multiple ultrasonic transduction detections in array distribution are single
Unit sends ultrasound wave to the position of artery surface respectively；And it is anti-after receiving the position of the described ultrasound wave described artery surface of arrival
The feedback signal of feedback.
Alternatively, described processing unit is further used for: super with described by calculating the reception time of described feedback signal
Sound wave sends the time difference of time, calculates the position of described artery surface.
Alternatively, for calculate the feedback signal of time difference by the signal of amplitude maximum in reception feedback signal.
According to the another aspect of the embodiment of the present invention, additionally provide a kind of pulse signal and measure system, including:
The wearable device worn by measurand and mobile terminal, wherein,
Described wearable device, for determining the position of the artery surface of measurand；
Described wearable device, is additionally operable to obtain a force value, applies and described force value pair to the position of artery surface
The contact pressure answered；
Described wearable device, is additionally operable to receive the pulse letter corresponding with described contact pressure fed back by artery surface
Number；
Described wearable device, is additionally operable to described pulse signal is sent to described mobile terminal.
Alternatively, described wearable device, it is additionally operable to according to the time measuring pulse signal, the pressure of measurement pulse signal
Value and the position of artery surface, be converted into three-dimensional arterial image by the described pulse signal received；
Described wearable device, is additionally operable to described three-dimensional arterial image is sent to described mobile terminal.
Alternatively, described mobile terminal, it is additionally operable to standard pulse corresponding with described measurand for three-dimensional arterial image
Signal curve is compared, and obtains comparison result.
A technical scheme in technique scheme has the advantage that or beneficial effect: first determine measurand
The position of artery surface, then uses different pressures to cut, beating of pulse is converted to pulse waveform signal, distinguishes not
With the Back ground Information of body constitution, comparing from the standard information of different body constitution, multitone extrudes unusual fluctuations, further, also
Pressure group match can be carried out, be combined into the three-dimensional pulsation image being made up of time shaft, pressure axis, position axis, carry out solid
Formula multifrequency acoustic pressure.Owing to the perception of feeling the pulse needs to combine the condition of patient, during multifrequency acoustic pressure, typically can be beneficial to the sound of happiness
Pleasure carries out unfolding of condition, and solve existing force-measuring type pulse condition transducer measures the problem that pulse signal precision is the highest.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an exemplary application scene of embodiments of the present invention；
Fig. 2 is one of schematic diagram of pulse signal measuring method in the first embodiment of the present invention；
Fig. 3 is the schematic diagram of step 201 in the first embodiment of the present invention；
Fig. 4 is in the first embodiment of the present invention the two of the schematic diagram of pulse signal measuring method；
Fig. 5 is the block diagram of pulse signal measuring device in the second embodiment of the present invention；
Fig. 6 is the schematic diagram of array ultrasound transducer in the second embodiment of the present invention；
Fig. 7 is the arrangement schematic diagram of array ultrasound transducer in the second embodiment of the present invention.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the disclosure
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should be by embodiments set forth here
Limited.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Fig. 1 schematically shows the schematic diagram of an exemplary application scene according to the embodiment of the present invention.Figure
Middle acquisition system includes wearable device (such as bracelet) 11 and mobile terminal 12, gather the wearable device 11 of pulse signal by
Measurand is worn, and can be close to the wrist pulse of measurand, and the pressure that wearable device 11 sends is through pulse
Received and be converted into wrist pulse feedback pulse impulse waveform pressure by wearable device 11 again after feedback pulse impulse waveform
Pressure data corresponding to power is recorded, and wrist pulse is fed back the pressure that pulse impulse waveform pressure is corresponding by wearable device 11
Data are sent to mobile terminal 12 and analyze and process, and mobile terminal 12 can utilize the wrist pulse feedback pulse of continuous a period of time
The pressure data that impulse waveform pressure is corresponding obtains the real-time pulse signal of measurand.Owing to wearable device 11 is whole with mobile
End 12 can be carried with, and native system uses pressure signal to go to carry out pulse sampling, in measurand motor process simultaneously
Remain to obtain pulse signal, thus this system to have fabulous portability, real-time good；Additionally, native system can also be to pressure
Data are encrypted, and the mobile terminal 12 only specified could obtain the pulse signal of measurand, and safety is good.
It should be noted that mobile terminal 12 herein can be existing, research and develop or in the future research and development, can
Mutual with wearable device 11 by any type of wired or wireless connection (such as, Wi-Fi, LAN, WAN, the Internet etc.)
Any mobile device, includes but not limited to: existing, research and develop or in the future research and development, desk computer, calculating on knee
Machine, mobile terminal (including smart mobile phone, non intelligent mobile phone, various panel computer) etc..
First embodiment
Below in conjunction with the application scenarios of Fig. 1, it is described with reference to Figure 3 the pulse signal according to exemplary embodiment of the invention
Measuring method.It should be noted that above-mentioned application scenarios is for only for ease of and understand that spirit and principles of the present invention illustrate, this
The embodiment of invention is the most unrestricted.On the contrary, what embodiments of the present invention can apply to be suitable for is any
Scene.
Fig. 2 schematically shows the stream of an embodiment of pulse signal measuring method according to the embodiment of the present invention
Journey.
As in figure 2 it is shown, the pulse signal measuring method of the present embodiment the most specifically may include that
Step 201, determine the position of the artery surface of measurand, subsequently into step 202；
Above-mentioned artery surface can be inner surface or the outer surface of radial artery on the surface of radial artery, such as radial artery,
Or above-mentioned artery surface can also be the surface of spherical radial artery, the inner surface of the most spherical radial artery or spherical radial artery
Outer surface, be certainly not limited to this.
Pulse signal in the present embodiment refers to arterial pulse signal, in each cardiac cycle, and endarterial pressure
The fluctuation of generating period.The change of this periodic pressure can cause arteries to beat, referred to as arterial pulse.
Alternatively, seeing Fig. 3, in the present embodiment, step 201 includes: step 2011, step 2012 and step 2013,
Specific as follows:
Step 2011, send ultrasound wave to the position of artery surface, subsequently into step 2012；
Such as: send ultrasound wave to the position of artery surface respectively by multiple acoustic wave emission unit in array distribution,
Certainly this it is also not limited to.
Step 2012, obtain described ultrasound wave arrive described artery surface position after feedback feedback signal, then enter
Enter step 2013；
Such as: receive described ultrasound wave by multiple acoustic receiver unit in array distribution and arrive described artery surface
The feedback signal of feedback behind position, the corresponding acoustic receiver unit of one of them acoustic wave emission unit.Certainly it is also not limited to
This.
Specifically, in step 2011 and step 2012, ultrasound wave can be sent by ultrasonic transducer and receive anti-
Feedback signal.
Ultrasonic transducer is that one both can convert electrical energy into acoustic energy, can convert acoustic energy into again electric energy device or
Device.When ultrasonic transducer is in emission state, converts electrical energy into mechanical energy, then convert mechanical energy into acoustic energy；Work as place
When the state of reception, convert acoustic energy into mechanical energy, be reconverted into electric energy.At present, the kind of ultrasonic transducer has a lot, uses
More for piezo-electric type ultrasonic transducer, that the piezoelectric material layer used includes monocrystal or that polycrystal is compound material,
Such as single crystal quartz body, barium titanate piezoelectric ceramics, lead titanate piezoelectric ceramics composite crystal (PZT), Kynoar PVDF etc..
Ultrasonic transducer includes: piezoelectric material layer, elastic layer and adhesive linkage, and described piezoelectric material layer can be zirconium metatitanic acid
Lead piezoelectric ceramics composite crystal PZT material, the material of described elastic layer can be Si, and the material of described adhesive linkage can be epoxy
Glue.
When being in emission state, at the upper and lower surface on-load voltage of piezoelectric material layer, piezoelectric material layer is at electric field action
Lower transmitting is stretched, and produces lengthwise movement, and due to the constraint of elastic layer, during piezoelectric material layer vibration, the acceleration of vibration is very big, this
Sample just can be converted into mechanical vibration amount electromagnetic oscillation energy, if this energy blazes abroad in a certain direction, is formed for surpassing
Sound wave, therefore total is vibrated and launches ultrasound wave, and the electric energy loaded is converted to mechanical energy, mechanical energy is changed again
For acoustic energy；When being in reception state, receive the echo-signal with certain acoustic pressure, be transferred to described piezoresistive material by medium
The bed of material, causes charge inducing, may determine that acoustic pressure size by detection electric charge, therefore converts acoustic energy into mechanical energy, reconvert
For electric energy.
Step 2013, calculate the position of described artery surface according to described feedback signal.
Such as, sent the time difference of time by the reception time and described ultrasound wave calculating described feedback signal, calculate
The position of described artery surface.Most preferably, because when ultrasound wave is perpendicular to surface, it is possible to obtain from any is on surface
Amplitude reflects, thus be accordingly used in the feedback signal calculating described time difference by the signal of amplitude maximum in reception feedback signal.
During detection, can by ultrasonic transduction detector unit in array distribution (include acoustic wave emission unit and
Acoustic receiver unit), each ultrasonic transduction detector unit all produces pulse with the exactly determined time and sends ultrasound wave so that
The ultrasound wave that each ultrasonic transduction detector unit is sent arrives a certain predetermined focus point in artery surface in the same time；Connecing
During receipts, artery surface the feedback signal fed back, postpone precise time and received by each ultrasonic transduction detector unit, from
And making the signal reflected from predetermined focus point is all homophase.More than based on, each ultrasonic transduction detector unit is received
Feedback signal when being accumulated in together, just produce the signal of maximum amplitude when forming the reflection of predetermined accumulation point, hence with
Received the feedback signal with maximum amplitude, it may be determined that the location status at predetermined accumulation point.
With continued reference to Fig. 2, step 202, obtain a force value, apply and described force value to the position of described artery surface
Corresponding contact pressure, subsequently into step 203.
The force value determined in step 202 can be the pressure determined from the multiple force value being pre-configured with
Value, or can also be the force value inputted in real time by measurand.
Alternatively, the contact pressure of aeration quantity inner surface Yu arm skin to control wearable device is utilized.Can also
Use mechanical type, utilize piezoelectric element to make the device that can control position.In the present embodiment, wearable device can be simulated
Now to the pulse change that the different forces of muscle are lower in theory of Chinese medical science, can perceive pulse floating, in, correspondence of sinking obtain phase
The pulse curve answered.In order to reach accurately to control to use draw-ring type fixing device, the length being shortened by bracelet controls
Fixing elasticity, the piezoelectric element then increased is to control multitone pressure device surface pressing.
Wearable device in the present embodiment, either child or adult, can be carried out according to different pulse location
Multitone compression set position, by applying different power, measures the pulse waveform figure of feedback under different dynamics.And can be because of people
Different, the pressure for power can be well controlled.Utilize feedback pressure to judge, distinguish large, medium and small, the corresponding traditional Chinese medical science
Feeling the pulse is passed the imperial examinations at the provincial level, seeks, is pressed into.Piezoelectricity multifrequency Acoustic pressure transducer has time delay, can perceive the amplitude of fluctuation, namely pulse
Size, the strength of pulsation can react the power of people's life.Piezoelectric transducer has high speed, for ripple frequency
Change, can perceive efficiently, and analyze the change of frequency, can the change of corresponding different human body state
The pulse signal corresponding with described contact pressure that step 203, reception are fed back by artery surface.
Alternatively, on the basis of Fig. 2, in the present embodiment, after step 203, described method also includes: step
204 and step 205, see Fig. 4.
Step 204, the time according to measurement pulse signal, the force value measuring pulse signal and the position of artery surface,
The pulse signal received is converted into three-dimensional arterial image.Subsequently into step 205；
Such as, use different pressures to cut, carry out pressure group match, be combined into by time shaft, pressure axis, position
The three-dimensional pulsation image that axle is constituted.
Step 205, standard pulse signal curve corresponding with described measurand for three-dimensional arterial image is compared,
To comparison result.
In the present embodiment, the pulse signal song of healthy population can be obtained in advance according to attributes such as sex, age, body weight
Line, is then based on the pulse signal curve structure standard pulse signal curve of the healthy population obtained.
Such as, utilize three-dimensional multifrequency acoustic pressure technology, pulse is beated and is converted to pulse waveform signal, distinguish different body constitution
Back ground Information, compare from the standard information of different body constitution, pulse wave curve be analyzed, pulse amplitude is pulse
Strong and weak, pulse wave judges whether exception.
In the present embodiment, it is first determined the position of the artery surface of measurand, different pressures is then used to cut
Enter, beating of pulse is converted to pulse waveform signal, distinguish the Back ground Information of different body constitution, from the standard information of different body constitution
Comparing, multitone extrudes unusual fluctuations, further, it is also possible to carry out pressure group match, is combined into by time shaft, pressure
The three-dimensional pulsation image that power axle, position axis are constituted, carries out stereometric multi-frequency acoustic pressure.Owing to the perception of feeling the pulse needs to combine patient's
Condition, during multifrequency acoustic pressure, the music that typically can be beneficial to happiness carries out unfolding of condition, solves existing force-measuring type arteries and veins
As the problem that the measurement pulse signal precision of transducer is the highest.
Second embodiment
Seeing Fig. 5, show a kind of pulse signal measuring device 500 in figure, this device 500 includes:
Locating module 501, for determining the position of the artery surface of measurand；
Pressure applies module 502, for obtaining a force value, applies corresponding with described force value to the position of artery surface
Contact pressure；
Receiver module 503, for receiving the pulse signal corresponding with described contact pressure fed back by artery surface.
Above-mentioned locating module 501 includes array ultrasound transducer 5011, sees Fig. 6 and Fig. 7, and array ultrasound transducer is main
Structure includes: upper electrode 10, bottom electrode 20, piezoelectric layer (PZT) 30, elastic layer (Si) 40, adhesive linkage (epoxy glue) 60 and SiO2
Layer 50, when launching ultrasonic, at PZT upper and lower surface on-load voltage, PZT launches flexible, due to the constraint of elastic layer, transducer vibrations
And launch sound wave；During reception, acoustic pressure is transferred to PZT layer by medium, causes charge inducing, judges sound by detection electric charge
Pressure size.
Alternatively, in the present embodiment, pressure applying module includes multifrequency Acoustic pressure transducer and piezoelectricity multifrequency acoustic pressure transducing
Formula pressure transducer.
Utilize aeration quantity to control the contact pressure of pulse multitone pressure device and arm skin.Machinery can also be used
Formula, utilizes piezoelectric element to make the device that can control position.Multifrequency Acoustic pressure transducer, it is right to simulate in present theory of Chinese medical science
The pulse change that the different forces of muscle are lower, can perceive pulse floating, in, correspondence of sinking obtain corresponding pulse curve.For
Reach accurately to control to use draw-ring type fixing device, be shortened by the elasticity that the length of bracelet controls to fix, so
The piezoelectric element of rear increase controls multitone pressure device surface pressing.
In the present embodiment, multifrequency Acoustic pressure transducer is the multifrequency Acoustic pressure transducer that can regulate, and either child is the biggest
People, can carry out multitone compression set position according to different pulse location, by applying different power, measures and feeds back under three kinds of dynamics
Pulse waveform figure.And can vary with each individual, the pressure for power can be well controlled.Control method, utilizes anti-
Feed voltage power judges, distinguishes large, medium and small, and corresponding traditional Chinese medical science feeling the pulse is passed the imperial examinations at the provincial level, seeks, is pressed into.Piezoelectricity multifrequency acoustic pressure transducing transducing utensil
Having time delay, can perceive the amplitude of fluctuation, the size namely pulsed, the strength of pulsation can react people's life
Power.Piezoelectric transducer has high speed, for the change of ripple frequency, can perceive efficiently, and analyze frequency
Change, can the change of corresponding different human body state.Such as following figure, corresponding conscience taste kidney etc..
Piezoelectricity multifrequency acoustic pressure transduction type pressure transducer can be pressed onto beating of pulse three-dimensional with multitone, for feeling the pulse
Shape when needing to carry out people's pulse wave in multifrequency acoustic pressure has the shape of " sliding, puckery, string, tight ", measures its pulse shape.
Pulse location, and the pressure that can apply with feedback control can be positioned before measuring, control the pressure of feeling the pulse.When measuring,
The fluctuating margin of pulse can be measured, measure pulse dynamics.
Utilize the supersonic sounding principle of piezoelectric ultrasonic transducer, the surface to be detected of display floater measured so that
The result of detection is more accurate.
The present invention is embodied as described pulse signal measuring device 500, including: ultrasonic transduction detector unit, for dynamic
Arteries and veins surface sends ultrasound wave, and for obtaining the feedback signal of feedback after described ultrasound wave arrives artery surface；Processing unit,
For calculating the position of described artery surface according to described feedback signal.
In the embodiment of the present invention, described ultrasonic transduction detector unit is also the ultrasonic transduction with a working cell
Device.In prior art, ultrasonic transducer is that one both can convert electrical energy into acoustic energy, can convert acoustic energy into again electric energy
Device or device.When ultrasonic transduction detector unit is in emission state, converts electrical energy into mechanical energy, then mechanical energy is changed
For acoustic energy；When being in reception state, convert acoustic energy into mechanical energy, be reconverted into electric energy.At present, the kind of ultrasonic transducer
Have a lot, use more for piezo-electric type ultrasonic transducer, that the piezoelectric used includes monocrystal or polycrystal is multiple
The material closed, such as single crystal quartz body, barium titanate piezoelectric ceramics, lead titanate piezoelectric ceramics composite crystal (PZT), Kynoar
PVDF etc..
Described piezoelectric material layer can be lead titanate piezoelectric ceramics composite crystal PZT material, the material of described elastic layer
Can be Si, the material of described adhesive linkage can be epoxy glue.
When being in emission state, at the upper and lower surface on-load voltage of piezoelectric material layer, piezoelectric material layer is at electric field action
Lower transmitting is stretched, and produces vertical motion, and due to the constraint of elastic layer, during piezoelectric material layer vibration, the acceleration of vibration is very big, so
Just electromagnetic oscillation energy can be converted into mechanical vibration amount, if this energy blazes abroad in a certain direction, be formed for ultrasonic
Ripple, therefore total is vibrated and launches ultrasound wave, the electric energy loaded is converted to mechanical energy, converts mechanical energy into again
Acoustic energy；When being in reception state, receive the echo-signal with certain acoustic pressure, be transferred to described piezoelectric by medium
Layer, causes charge inducing, may determine that acoustic pressure size by detection electric charge, therefore converts acoustic energy into mechanical energy, be reconverted into
Electric energy.
Utilize the above-mentioned operation principle of ultrasonic transduction detector unit, by calculating time and the reception time that ultrasound wave sends
Between time difference, i.e. may determine that the particular location on surface to be detected.Therefore, described processing unit is described instead by calculating
The reception time of feedback signal and described ultrasound wave send the time difference of time, calculate the position on described surface to be detected.Most preferably,
Because when ultrasound wave is perpendicular to surface, it is possible to obtain the maximum amplitude reflection of any on surface, thus be accordingly used in calculating institute
State the feedback signal of time difference by the signal of amplitude maximum in reception feedback signal.Surface detection apparatus of the present invention, no
Can be only used for the Surface testing of radial artery, and may be used for the Surface testing of spherical radial artery, detect the table of radial artery
Face oscillogram state.
Further, in surface detection apparatus described in the specific embodiment of the invention, including multiple ultrasonic in array distribution
Transducing detector unit, each ultrasonic transduction detector unit has acoustic wave emission unit and acoustic receiver unit；Specifically, logical
Cross acoustic wave emission unit and send ultrasound wave to artery surface, by institute after acoustic receiver unit acquisition ultrasound wave arrival artery surface
The feedback signal of feedback.Wherein, this acoustic wave emission unit and acoustic receiver unit can be integrated into a cellular construction, as used
A kind of cellular construction of structure shown in figure completes the two kinds of functions launched with receive, it would however also be possible to employ two cellular constructions realize,
Namely the cellular construction shown in employing figure completes emission function, another cellular construction shown in another employing figure completes to receive
Function.
During detection, the ultrasonic transduction detector unit in array distribution, each ultrasonic transduction detector unit is all with essence
The time determined produces pulse and sends ultrasound wave so that the ultrasound wave that each ultrasonic transduction detector unit is sent is with for the moment
Between arrive a certain predetermined focus point on radial artery；During receiving, surface to be detected the feedback signal fed back, postpone essence
The true time is received by each ultrasonic transduction detector unit, so that the signal reflected from predetermined focus point is all homophase
's.More than based on, when the feedback signal that each ultrasonic transduction detector unit is received is accumulated in together, when forming predetermined accumulation point
Reflection time just produce the signal of maximum amplitude, hence with being received the feedback signal with maximum amplitude, it may be determined that in advance
Determine the location status at accumulation point.
In the embodiment of the present invention, described predetermined accumulation point may be located at the surface of radial artery, in order to detect the table of radial artery
Position, face and state, the most described predetermined accumulation point can also be positioned at the inside of radial artery, in order to detect the inside shape of radial artery
State and elastic modelling quantity.
Owing to radial artery height is micron-sized, when the ultrasound wave propagation time wherein is often below pulse lasting
Between, to such an extent as to the ultrasound echo signal generation aliasing of different angles, cause conventional Ultrasound detection technique to be difficult to radial artery height
Nondestructive characterisation (NDC) mensuration is carried out with elastic modelling quantity parameter.Ultrasonic aliasing waveform recognition, it is proposed that a kind of by calculate vertical incidence and
During oblique incidence, the sound pressure reflection coefficient of radial artery carries out the new square of nondestructive characterisation (NDC) to density and the elastic modelling quantity of radial artery
Method sound pressure reflection coefficient method.The cardinal principle of sound pressure reflection coefficient method is: under ultrasound wave oblique incidence condition, if ultrasonic
The wave impulse persistent period is shorter, by ultrasonic reflections in radial artery multi-angle and refracting characteristic analysis, and to radial artery
Sample and the comparison of radial artery echo waveform, can be simplified identification to the ultrasonic aliasing waveform under the conditions of multi-angle structure,
Calculate the sound pressure reflection coefficient of radial artery on this basis, and according to the relation between radial artery characteristic parameters, be calculated oar
The density of tremulous pulse and elastic modelling quantity.
Another further aspect, utilizing can be quick to launch time and the reception time of ultrasound wave in each ultrasonic transduction detector unit
Variation characteristic, can be to use when controlling each sent ultrasound wave of ultrasonic transduction detector unit in the way of change able to programme and quick
Phased array wave beam, such as, the speed higher than per second time can change the phased array that each ultrasonic transduction detector unit is sent
Wave beam.Based on this characteristic, each ultrasonic transduction detector unit can be made surface Yi Jiao to be detected to use the form of electron scanning
Degree changes or carries out electron scanning in desired depth scope, and scan mode can be parallel linear scanning, or is with predetermined
The mode of pattern scans.
When using above-mentioned scan mode, during by the feedback signal data obtained are analyzed, acquisition can be detected
The waviness of the surface figure on surface to be detected, and obtain the apparent condition of each radial artery on whole color membrane substrates.
Specifically scan mode can be: uses motor to carry out constant speed, makes ultrasonic transduction detector unit to radial artery
Predetermined focus point during detection, moves, directly to the internal passage of radial artery spaced a predetermined distance from radial artery jut surface constant speed
The recess to radial artery is moved to making predetermined focus position；And in this constant speed moving process, carry out in each shift position
Detection, it is thus achieved that multiple detect scanogram, explains this multiple scanograms, generates interference waveform, according in interference waveform image
Distance when point-to-point transmission generates interference waveform and the distance that moves of predetermined focus point constant speed, then can calculate the height of radial artery
Difference.
In the present embodiment, receiver module 703 includes piezoelectric-array transducer.
Thus judge the change of pulsation in radial artery dynamically, effectively feed back to equipment radial artery motor, make radial artery
Stress is evenly, more stable.The pulse curve of normal people, according to age, body weight, height, has the curve chart of standard,
By the information to instrument input patient, equipment transfers the data base about patient criteria's curve, then root automatically
According to the ripple amplitude under diverse location, frequency in data base, the sufferer of patient can be analyzed
Alternatively, device 700 also includes:
Modular converter, for according to measuring the time of pulse signal, the force value measuring pulse signal and artery surface
Position, is converted into three-dimensional arterial image by the pulse signal received.
Alternatively, described locating module includes:
Ultrasonic transduction detector unit, for sending ultrasound wave to the position of artery surface, and obtains described ultrasound wave and arrives
The feedback signal fed back after reaching the position of described artery surface；
Processing unit, for calculating the position of described artery surface according to described feedback signal.
Alternatively, described ultrasonic transduction detector unit is array distribution, and multiple ultrasonic transduction detections in array distribution are single
Unit sends ultrasound wave to the position of artery surface respectively；And it is anti-after receiving the position of the described ultrasound wave described artery surface of arrival
The feedback signal of feedback.
Alternatively, described processing unit is further used for: super with described by calculating the reception time of described feedback signal
Sound wave sends the time difference of time, calculates the position of described artery surface.
Alternatively, for calculate the feedback signal of time difference by the signal of amplitude maximum in reception feedback signal.
In the present embodiment, it is first determined the position of the artery surface of measurand, different pressures is then used to cut
Enter, beating of pulse is converted to pulse waveform signal, distinguish the Back ground Information of different body constitution, from the standard information of different body constitution
Comparing, multitone extrudes unusual fluctuations, further, it is also possible to carry out pressure group match, is combined into by time shaft, pressure
The three-dimensional pulsation image that power axle, position axis are constituted, carries out stereometric multi-frequency acoustic pressure.Owing to the perception of feeling the pulse needs to combine patient's
Condition, during multifrequency acoustic pressure, the music that typically can be beneficial to happiness carries out unfolding of condition, solves existing force-measuring type arteries and veins
As the problem that the measurement pulse signal precision of transducer is the highest.
3rd embodiment
In conjunction with the scene shown in Fig. 1, the present embodiment additionally provides a kind of pulse signal and measures system, including:
The wearable device 11 worn by measurand and mobile terminal 12, wherein,
Described wearable device 11, for determining the position of the artery surface of measurand；
Described wearable device 11, is additionally operable to obtain a force value, applies and described force value to the position of artery surface
Corresponding contact pressure；
Described wearable device 11, is additionally operable to receive the pulse letter corresponding with described contact pressure fed back by artery surface
Number；
Described wearable device 11, is additionally operable to be sent to described pulse signal described mobile terminal 12.
Alternatively, described wearable device 11, it is additionally operable to according to the time measuring pulse signal, the pressure of measurement pulse signal
Force value and the position of artery surface, be converted into three-dimensional arterial image by the described pulse signal received；
Described wearable device 11, is additionally operable to described three-dimensional arterial image is sent to described mobile terminal 12.
Alternatively, described mobile terminal 12, it is additionally operable to compare three-dimensional arterial image with standard pulse signal curve,
Obtain comparison result.
In the present embodiment, wearable device determines the position of the artery surface of measurand, then uses different pressures
Cut, beating of pulse is converted to pulse waveform signal, distinguish the Back ground Information of different body constitution, from the mark of different body constitution
Calibration information compares, multitone extrude unusual fluctuations, further, it is also possible to carry out pressure group match, be combined into by time
The three-dimensional pulsation image that countershaft, pressure axis, position axis are constituted, carries out stereometric multi-frequency acoustic pressure.Owing to the perception of feeling the pulse needs knot
Closing the condition of patient, during multifrequency acoustic pressure, the music that typically can be beneficial to happiness carries out unfolding of condition, solves existing
Force-measuring type pulse condition transducer can not take into account floating pulse with in, the detection of deep pulse and the problem of diagnosis.
Should be understood that during description is in the whole text that " embodiment " or " embodiment " mentioned means relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in entire disclosure
" in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.Additionally, these specific feature, knots
Structure or characteristic can combine in one or more embodiments in any suitable manner.
In various embodiments of the present invention, it should be appreciated that the size of the sequence number of above-mentioned each process is not meant to perform suitable
The priority of sequence, the execution sequence of each process should determine with its function and internal logic, and should be to the enforcement of the embodiment of the present invention
Process constitutes any restriction
Should be understood that the terms "and/or", a kind of incidence relation describing affiliated partner, expression can be deposited
In three kinds of relations, such as, A and/or B, can represent: individualism A, there is A and B, individualism B these three situation simultaneously.
It addition, character "/" herein, typically represent forward-backward correlation to as if the relation of a kind of "or".
In embodiment provided herein, it should be appreciated that " B corresponding with A " represents that B with A is associated, permissible according to A
Determine B.It is also to be understood that determine B to be not meant to only according to A according to A determine B, it is also possible to according to A and/or out of Memory
Determine B.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, can be passed through other
Mode realize.Such as, device embodiment described above is only schematically, such as, and the division of described unit, only
Dividing for a kind of logic function, actual can have when realizing other dividing mode, the most multiple unit or the assembly can be in conjunction with
Or it is desirably integrated into another system, or some features can be ignored, or do not perform.Another point, shown or discussed phase
Coupling between Hu or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication
Connect, can be electrical, machinery or other form.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that the independent physics of unit includes, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit and realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including when dry instruction is with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs receiving/transmission method described in each embodiment of the present invention
Part steps.And aforesaid storage medium includes: (Read-Only Memory is called for short for USB flash disk, portable hard drive, read only memory
ROM), random access memory (Random Access Memory is called for short RAM), magnetic disc or CD etc. are various can store
The medium of program code.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person for the art comes
Saying, can also make under without departing from principle premise of the present invention when dry improvements and modifications, these improvements and modifications also exist
In protection scope of the present invention.
Claims (16)
1. a pulse signal measuring method, it is characterised in that including:
Determine the position of the artery surface of measurand；
Obtain a force value, apply the contact pressure corresponding with described force value to the position of described artery surface；
Receive the pulse signal corresponding with described contact pressure fed back by artery surface.
Method the most according to claim 1, it is characterised in that described method also includes:
According to measuring the time of pulse signal, the force value measuring pulse signal and the position of artery surface, the arteries and veins that will receive
Signal of fighting is converted into three-dimensional arterial image.
Method the most according to claim 2, it is characterised in that described method also includes:
Standard pulse signal curve corresponding with described measurand for three-dimensional arterial image is compared, obtains comparison result.
Method the most according to claim 1, it is characterised in that the position of the described artery surface determining measurand, bag
Include:
Ultrasound wave is sent to the position of artery surface；
Obtain the feedback signal fed back after described ultrasound wave arrives the position of described artery surface；
The position of described artery surface is calculated according to described feedback signal.
Method the most according to claim 4, it is characterised in that the described position to artery surface sends ultrasound wave, including:
Ultrasound wave is sent to the position of artery surface respectively by multiple acoustic wave emission unit in array distribution；
The feedback signal that the described ultrasound wave of described acquisition feeds back after arriving the position of described artery surface, including:
Receive after described ultrasound wave arrives the position of described artery surface anti-by multiple acoustic receiver unit in array distribution
The feedback signal of feedback, the corresponding acoustic receiver unit of one of them acoustic wave emission unit.
Method the most according to claim 4, it is characterised in that calculate described artery surface according to described feedback signal
Position, including:
Sent the time difference of time by the reception time and described ultrasound wave calculating described feedback signal, calculate described tremulous pulse table
The position in face.
Method the most according to claim 6, it is characterised in that for calculating the feedback signal of time difference by being received feedback
The signal of amplitude maximum in signal.
8. a pulse signal measuring device, it is characterised in that including:
Locating module, for determining the position of the artery surface of measurand；
Pressure applies module, for obtaining a force value, applies the contact corresponding with described force value to the position of artery surface
Pressure；
Receiver module, for receiving the pulse signal corresponding with described contact pressure fed back by artery surface.
Pulse signal measuring device the most according to claim 8, it is characterised in that described device also includes:
Modular converter, for the time according to measurement pulse signal, the force value of measurement pulse signal and the position of artery surface,
The pulse signal received is converted into three-dimensional arterial image.
Pulse signal measuring device the most according to claim 8, it is characterised in that described locating module includes:
Ultrasonic transduction detector unit, for sending ultrasound wave to the position of artery surface, and obtains described ultrasound wave and arrives institute
The feedback signal fed back after stating the position of artery surface；
Processing unit, for calculating the position of described artery surface according to described feedback signal.
11. pulse signal measuring devices according to claim 10, it is characterised in that described ultrasonic transduction detector unit in
Array distribution, multiple ultrasonic transduction detector units in array distribution send ultrasound wave to the position of artery surface respectively；And
Receive the feedback signal fed back after described ultrasound wave arrives the position of described artery surface.
12. pulse signal measuring devices according to claim 10, it is characterised in that described processing unit is used further
In: sent the time difference of time by the reception time and described ultrasound wave calculating described feedback signal, calculate described tremulous pulse table
The position in face.
13. pulse signal measuring devices according to claim 12, it is characterised in that for calculating the feedback letter of time difference
Number by the signal of amplitude maximum in reception feedback signal.
14. 1 kinds of pulse signals measure system, it is characterised in that including:
The wearable device worn by measurand and mobile terminal, wherein,
Described wearable device, for determining the position of the artery surface of measurand；
Described wearable device, is additionally operable to obtain a force value, applies corresponding with described force value to the position of artery surface
Contact pressure；
Described wearable device, is additionally operable to receive the pulse signal corresponding with described contact pressure fed back by artery surface；
Described wearable device, is additionally operable to described pulse signal is sent to described mobile terminal.
15. pulse signals according to claim 14 measure system, it is characterised in that
Described wearable device, is additionally operable to force value and the tremulous pulse table according to the time measuring pulse signal, measuring pulse signal
The position in face, is converted into three-dimensional arterial image by the described pulse signal received；
Described wearable device, is additionally operable to described three-dimensional arterial image is sent to described mobile terminal.
16. pulse signals according to claim 15 measure system, it is characterised in that
Described mobile terminal, is additionally operable to carry out standard pulse signal curve corresponding with described measurand for three-dimensional arterial image
Comparison, obtains comparison result.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784664A (en) * | 2018-06-28 | 2018-11-13 | 上海掌门科技有限公司 | Pulse diagnosing device based on pressure sensor and image capture device |
| CN113017576A (en) * | 2021-02-03 | 2021-06-25 | 西安宏源视讯设备有限责任公司 | Intelligent sphygmus instrument |
| WO2023284727A1 (en) * | 2021-07-16 | 2023-01-19 | 维沃移动通信有限公司 | Method and apparatus for measuring biometric information, and electronic device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3345739A1 (en) * | 1983-12-17 | 1985-07-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Device for recording and displaying circulatory parameters, to be worn on the wrist |
| CN1383371A (en) * | 2000-06-14 | 2002-12-04 | 皇家菲利浦电子有限公司 | Device for monitoring vital sign |
| CN101278830A (en) * | 2008-04-15 | 2008-10-08 | 中国医学科学院生物医学工程研究所 | Three-dimensional dynamic pulse manifestation testing system |
| CN102551696A (en) * | 2011-12-23 | 2012-07-11 | 天津大学 | Multipath pulse condition detection device based on flexible array sensor |
| CN103330550A (en) * | 2013-03-04 | 2013-10-02 | 北京中医药大学 | Automatic three-portion and nine-pulse-taking information acquisition and recognition device and method of MEMS hydraulic transmission touch |
| CN104586370A (en) * | 2014-12-31 | 2015-05-06 | 歌尔声学股份有限公司 | Photoelectric pulse signal measurement method, photoelectric pulse signal measurement device and photoelectric pulse signal measurement equipment |
| CN105653876A (en) * | 2016-01-22 | 2016-06-08 | 中国科学院微电子研究所 | Pulse wave image collecting and storing method based on three-dimensional imaging |
| CN105662381A (en) * | 2016-02-29 | 2016-06-15 | 张胜国 | Intelligent ultrasonic blood pressure monitoring bracelet |
-
2016
- 2016-07-15 CN CN201610561101.5A patent/CN106175717A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3345739A1 (en) * | 1983-12-17 | 1985-07-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Device for recording and displaying circulatory parameters, to be worn on the wrist |
| CN1383371A (en) * | 2000-06-14 | 2002-12-04 | 皇家菲利浦电子有限公司 | Device for monitoring vital sign |
| CN101278830A (en) * | 2008-04-15 | 2008-10-08 | 中国医学科学院生物医学工程研究所 | Three-dimensional dynamic pulse manifestation testing system |
| CN102551696A (en) * | 2011-12-23 | 2012-07-11 | 天津大学 | Multipath pulse condition detection device based on flexible array sensor |
| CN103330550A (en) * | 2013-03-04 | 2013-10-02 | 北京中医药大学 | Automatic three-portion and nine-pulse-taking information acquisition and recognition device and method of MEMS hydraulic transmission touch |
| CN104586370A (en) * | 2014-12-31 | 2015-05-06 | 歌尔声学股份有限公司 | Photoelectric pulse signal measurement method, photoelectric pulse signal measurement device and photoelectric pulse signal measurement equipment |
| CN105653876A (en) * | 2016-01-22 | 2016-06-08 | 中国科学院微电子研究所 | Pulse wave image collecting and storing method based on three-dimensional imaging |
| CN105662381A (en) * | 2016-02-29 | 2016-06-15 | 张胜国 | Intelligent ultrasonic blood pressure monitoring bracelet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784664A (en) * | 2018-06-28 | 2018-11-13 | 上海掌门科技有限公司 | Pulse diagnosing device based on pressure sensor and image capture device |
| CN113017576A (en) * | 2021-02-03 | 2021-06-25 | 西安宏源视讯设备有限责任公司 | Intelligent sphygmus instrument |
| WO2023284727A1 (en) * | 2021-07-16 | 2023-01-19 | 维沃移动通信有限公司 | Method and apparatus for measuring biometric information, and electronic device |
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