CN209360675U - Wristwatch type blood pressure monitoring device based on pulse wave velocity method - Google Patents
Wristwatch type blood pressure monitoring device based on pulse wave velocity method Download PDFInfo
- Publication number
- CN209360675U CN209360675U CN201821070203.8U CN201821070203U CN209360675U CN 209360675 U CN209360675 U CN 209360675U CN 201821070203 U CN201821070203 U CN 201821070203U CN 209360675 U CN209360675 U CN 209360675U
- Authority
- CN
- China
- Prior art keywords
- pulse wave
- blood pressure
- wrist
- pressure monitoring
- monitoring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model discloses a kind of Wristwatch type blood pressure monitoring devices based on pulse wave velocity method, including wrist strap, and wrist strap is equipped with pulse wave sampling component at pulse wave sampling component at heart and wrist；Pulse wave sampling component includes bell-jar and pickup module at heart, and pickup module includes microphone, and bell-jar has the first audition mouth and the second audition mouth, and the first audition mouth and the connection of the second audition mouth, microphone are located inside the second audition mouth.The utility model provides a kind of Wristwatch type blood pressure monitoring device based on pulse wave velocity method, watch can continuously directly be monitored into the pulse velocity of wave at wrist and heart close to the pulse wave signal being achieved at heart at heart, it is per second to update pressure value, it is small in size, it is more portable.
Description
Technical field
The utility model relates to medical instruments fields, more specifically, it is related to a kind of watch based on pulse wave velocity method
Formula blood pressure monitoring device.
Background technique
With aging of population, the improvement of people's living standards and care concepts are increasingly enhanced, and people increasingly focus on
The health of oneself and household.Blood pressure is the important physiological parameter of human body, blood pressure it is normal whether can judge a human body
Health.Hypertension is the most common cardiovascular disease, seriously affects people's lives quality and health.Data is aobvious according to the relevent statistics
Show, the hypertensive patient in China is up to 200,000,000 at present, and is all being increased every year with 3,000,000 or more speed, hypertensive patient
Age level also gradually rejuvenation, the prevention and treatment about hypertension have become the popular topic in one, China.Hypertension is not
It is only the chronic disease for influencing health of people, the even more chief culprit of the cardiovascular diseases such as coronary heart disease, myocardial infarction, heart failure, institute
Played the role of with the measurement of blood pressure to the such disease of prevention vital.For the especially China market of the whole world, blood pressure
The demand of meter is very huge.
China is the production base of the world's largest electronic sphygmomanometer, and international maximum electronic sphygmomanometer consumes city
, Portable Electronic Blood Pressure Monitor available on the market is all made of oscillographic method to carry out blood pressure measurement, since its test philosophy causes
That there are volumes is big for this kind of sphygmomanometer, can not be continuously available the drawbacks such as pressure value, test process complexity, thus develop it is a just
Take, be easy to use, can continuous blood pressure measuring value sphygmomanometer, will have great market potential.
Currently used Portable blood-pressure meter causes measurement supplementary structure that must have air pump, gas due to this kind of measuring principle
The parts such as pipe, gas bleeder valve, cuff, and this several partial volume is all bigger, so the sphygmomanometer volume worked it out is all bigger.
Moreover, first having to take out sphygmomanometer and cuff and connect tracheae in sphygmomanometer use process on the market, then will
Cuff is tied at measured's upper arm or wrist (the process sometimes one people is difficult completion), then presses the button waiting again
Sphygmomanometer obtains pressure value and shows to cuff inflation/deflation.Needs are inflated to cuff by air pump when sphygmomanometer measurement
Biggish electricity could complete one-shot measurement, and air pump operation can generate the use of biggish noise and vibration influence measured
Experience.
The existing device using pulse wave velocity method monitoring blood pressure, measures using in such a way that electrode is pasted in chest, this
Kind mode is when measuring blood pressure, it is necessary to electrode is affixed on measured chest, not only monitoring is inconvenient, but also monitoring time
It is long, it is difficult to continuous monitoring.
Summary of the invention
The purpose of this utility model is to provide a kind of Wristwatch type blood pressure monitoring device based on pulse wave velocity method, Neng Goulian
Pulse velocity of wave at continuous monitoring wrist and heart, it is per second to update pressure value, it is small in size, it is more portable.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the Wristwatch type blood pressure based on pulse wave velocity method
Monitoring device, including wrist strap, wrist strap is equipped with pulse wave sampling component at pulse wave sampling component at heart and wrist；Arteries and veins at heart
Wave sampling component of fighting includes bell-jar and pickup module, and pickup module includes microphone, and bell-jar has the first audition mouth and the
Two audition mouths, the first audition mouth and the connection of the second audition mouth, microphone are located inside the second audition mouth.Preferably, the first audition
The area of mouth is greater than the area of the second audition mouth.
As a preferred option, pickup module further includes microphone film, and microphone film is located at microphone and second tin
Between sound mouth.
As a preferred option, pickup module further includes amplifier and filter.
As a preferred option, pulse wave sampling component includes reflection type photoelectricity pulse wave sensor, pulse wave at wrist
Signal filter circuit and pulse wave signal amplifying circuit.
As a preferred option, described device includes micro-control unit.
As a preferred option, described device further includes communication module, communication module using bluetooth, WIFI, GPRS, 3G,
The communication mode of 4G or 5G is communicated with mobile terminal, or using the side for connecting mobile terminal data interface by data line
Formula is communicated.The communication module is used to send the measurements to the analysis and monitoring that health data is used on mobile terminal
Real time inspection of the people to user's health condition.Mobile terminal can be mobile phone, computer.
As a preferred option, described device further includes high-speed AD converter, display and key.Display is for being good for
The analysis of health data and guardian are to the real time inspection of user's health condition, and key is for being arranged monitoring parameters, such as time.
As a preferred option, wrist strap is equipped with for being set to extracarpal first shell of hand and being set on the inside of wrist
Two shells, pulse wave sampling component, micro-control unit, high-speed AD converter, display and key are all set at wrist
On one shell, pulse wave sampling component is set on second housing at heart.
As a preferred option, the first shell and second housing respectively with wrist strap detachable connection or the first shell
Integrally formed mode is all made of with second housing to connect with wrist strap.
As a preferred option, described device is powered using built-in lithium battery or detachable button cell.Power supply
For being powered to whole device.
As a preferred option, charging modes are using wireless charging, wired charging, solar energy electroplax charging or cradle
Charging.
In use, first wrist strap is fixed in wrist, the length of vessel at wrist and at heart is calculated, on the inside of wrist
Pulse wave sampling component is not less than a cardiac cycle close to the time at heart, bell-jar is put close to chest position at heart
Heart sound at big heart, microphone convert voice signal to the electric signal of analog quantity, using amplifier by the telecommunications of analog quantity
Number amplification, then be filtered by filter, be shaped to the simulation pulse wave electric signal of peak value, high-speed AD converter is by the heart
The simulation pulse wave electric signal at dirty place is converted to digital signal, and micro-control unit carries out real-time sampling, record according to digital signal
The voltage value of sampling and corresponding time point judge pulse wave crest voltage at heart, record the time under crest voltaget 1 ；
Meanwhile pulse wave sampling component acquires and obtains the simulation pulse wave electric signal at wrist at wrist, high-speed AD converter will
Simulation pulse wave electric signal at wrist is converted into digital signal, and micro-control unit carries out real-time sampling, note according to digital signal
The voltage value sampled and corresponding time point are recorded, judges pulse wave crest voltage at wrist, records the time under crest voltaget 2 ；According to the time under pulse wave crest voltage at heartt 1 With the time under pulse wave crest voltage at wristt 2 , obtain the time
Difference T calculates with the length of vessel S at heart at wrist, and according to PWV=S/T, pulse velocity of wave is calculated simultaneously in micro-control unit
Blood pressure is extrapolated according to pulse velocity of wave；Wrist outer display real-time display goes out the body parameters such as the blood pressure of measured, heart rate.
Utility model has the advantages that at heart in 1, the utility model pulse wave sampling component using bell-jar and
Pickup module directly monitors blood pressure without pasting electrode slice in chest close to the pulse wave signal being achieved at heart at heart
Not only facilitate, but also saves detection time.
2, any supplementary structure is not needed in the utility model sampling process, it is only necessary to use chip can be complete as sensor
At the acquisition and calculating of required parameter, this sphygmomanometer is designed into watch using small package, highly integrated chip by the utility model
Size, it is small in size, it is more portable.
3, the utility model can continuously monitor wrist and heart pulse rate velocity of wave, per second to update pressure value and straight
Update is connect to show, either personal use or clinical conditions use can be provided for user more fully according to
According to.
4, it needs to be worn on when the utility model only uses for the first time and a brachium (i.e. wrist and heart is set in wrist
Length of vessel), watch has watch function simultaneously, when not taking blood pressure also it is wearable as watch use, measurement blood pressure only need by
Start to measure pressure value close to cardiac position on the inside of wrist and show.
5, the utility model surveys primary electricity without high power device, originally oscillographic method for the utility model measurement tens
It is secondary, also any noise vibration will not be generated, and tester can complete noninductive test substantially, improve measured's use feeling.
Detailed description of the invention
Fig. 1 is the flow chart of the utility model.
Fig. 2 is the structural schematic diagram of watch.
Fig. 3 is the structural schematic diagram of bell-jar.
The structural schematic diagram that Fig. 4 is bell-jar, microphone is connected with microphone film.
It is identified in figure: bell-jar 11, the first audition mouth 111, the second audition mouth 112, microphone 12, microphone film 13,
Wrist strap 3, the first shell 31, second housing 32, reflection type photoelectricity pulse wave sensor 21.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
Pulse velocity of wave sphygmomanometry principle
Pulse velocity of wave sphygmomanometry is that have correlation between artery propagation rate and arterial pressure according to pulse wave
The characteristics of propose, pass through sensor by two different parts at the wrist of human body and at heart and acquire pulse wave, root
The conduction time T of two pulse waves is obtained according to pulse wave, by formula under the premise of measuring equivalent length of vessel S: PWV
=S/T can calculate the pulse velocity of wave under different blood pressure states, and PWV is pulse wave velocity, speculate blood pressure by pulse velocity of wave,
Then it can achieve continuous blood pressure measuring value.
Bell-jar and pickup module
Bell-jar 11 is similar to stethoscopic pickup part (chest piece), is in flat, heart is jumped when bell-jar is close at heart
Dynamic sound wave is collected, as shown in figure 3, bell-jar 11 has the first audition mouth 111 and the second audition mouth 112, the first audition mouth 111
It is connected to the second audition mouth 112, the area of the first audition mouth 111 is greater than the area of the second audition mouth 112, in use, by first
Audition mouth 111 is close to chest.As shown in figure 4, microphone 12 is located inside the second audition mouth 112, microphone 12 and the second audition
There is microphone film 13, in use, the first audition mouth 111 is close to heart, the sound wave being collected agitates bell-jar between mouth 112
The microphone film 13 at the second audition of gas push mouth 112 in 11, the ultra-weak electronic signal that microphone 12 forms simulation are
Heart rate cooperates pulse wave sampling component at heart to obtain workable simulation heart rate signal.
Pickup module is a device for being transmitted to rear end equipment again for collection site ambient sound, is by microphone
12, amplifier and filter are constituted, and microphone 12 converts voice signal to the electric signal of analog quantity, will be simulated using amplifier
The electric signal of amount amplifies, then the analog electrical signal of peak value is filtered, be shaped to by filter.
Reflection pulse glistening light of waves electric transducer acquires pulse wave principle at wrist
The principle using the pulse wave at reflection pulse glistening light of waves electric transducer acquisition wrist is carried out based on the prior art
Description.
Reflection pulse glistening light of waves electric transducer has infrared light-emitting diode and phototriode, as quick light
Source, phototriode form infrared emission-reception to pipe as reception pipe.Light is issued from the quick light source of infrared light-emitting diode
Afterwards, through skin and tissue, in addition to a part of light is by skin, muscle and blood absorption, a part is reflected back by blood, by photoelectricity
Triode is converted to electric signal, and sensor external is covered with optical filter, is filtered to external light source.The anti-of HG40 series can be used
Penetrate formula photoelectric sensor.
Two modules of pulse wave signal filter circuit and pulse wave signal amplification module are filtered and amplify to signal.Arteries and veins
Wave filter circuit input terminal of fighting is connect with reflection pulse wave photosensor output, is filtered out to interference signal, and pass
Transport to pulse wave data amplification module.Due to collected weak output signal, pulse wave data amplification module is set, is received through pulse
The filtered signal of wave filter circuit, amplifies signal, and is shaped to the analog electrical signal of peak value, and by data-signal
It is transferred to micro-control unit.
Wristwatch type blood pressure monitoring device based on pulse wave velocity method
Wristwatch type blood pressure monitoring device based on pulse wave velocity method, as shown in Fig. 2, including wrist strap 3, wrist strap 3 is equipped with heart
Locate pulse wave sampling component at pulse wave sampling component and wrist.
Pulse wave sampling component at heart, including bell-jar 11 and pickup module, pickup module include microphone 12, are such as schemed
Shown in 3, bell-jar 11 has the first audition mouth 111 and the second audition mouth 112, and the first audition mouth 111 and the second audition mouth 112 connect
It is logical, as shown in figure 4, microphone 12 is located inside the second audition mouth 112.The area of first audition mouth 111 is greater than the second audition mouth
112 area.Bell-jar 11 is used to amplify the heartbeat at heart, and pickup module is used to convert simulation arteries and veins for voice signal
It fights wave electric signal.As a kind of specific embodiment, there is microphone film between microphone 12 and the second audition mouth 112
13, referring to fig. 4.
Pickup module further includes amplifier and filter.
At wrist pulse wave sampling component include reflection type photoelectricity pulse wave sensor 21, pulse wave signal filter circuit and
Pulse wave signal amplifying circuit.
Described device includes micro-control unit, and micro-control unit is single-chip microcontroller.
The communication module is communicated using the communication mode of bluetooth, WIFI, GPRS, 3G, 4G or 5G with mobile terminal,
Or it is communicated by the way of connecting mobile terminal data interface by data line.As a kind of specific mode, use
The communication mode of WIFI is communicated with mobile terminal.The communication module is used for sending the measurements on mobile terminal
In the analysis of health data and guardian to the real time inspection of user's health condition.Mobile terminal can be mobile phone, computer.
Described device further includes high-speed AD converter, display and key.Display screen for health data analysis and
Guardian is to the real time inspection of user's health condition, and button is for being arranged monitoring parameters, such as time.
As shown in Fig. 2, wrist strap 3 be equipped be set to hand it is extracarpal first shell 31 and be set on the inside of wrist second
Shell 32, pulse wave sampling component, micro-control unit, high-speed AD converter, display and key are respectively provided at the wrist
In on the first shell 31, pulse wave sampling component is set on second housing 32 at heart.
First shell 31 and second housing 32 with 3 detachable connection of wrist strap, or use integrally formed mode respectively
Connection.As a kind of specific mode, the first shell 31 and second housing 32 are connect in a manner of integrally formed with wrist strap 3.
Described device includes power supply, and power supply uses built-in lithium battery or detachable button cell.Power supply is used for entire
Device is powered.
Charging modes are by the way of wireless charging, wired charging, solar energy electroplax charging or cradle charging.As
A kind of specific mode, charges to device by the way of wireless charging.
As shown in Figure 1, the length of vessel at measuring and calculating wrist and at heart will in use, first watch is fixed in wrist
Pulse wave sampling component is not less than a week aroused in interest close to the time at heart close to chest position at heart on the inside of wrist
Voice signal is converted simulation by phase, the heart sound at bell-jar amplification heart at heart in pulse wave sampling component, microphone
The electric signal of analog quantity is amplified using amplifier, then is filtered by filter, is shaped to peak value by the electric signal of amount
Simulate pulse wave electric signal；Simulation pulse wave electric signal at heart is converted to digital signal, micro-control by high-speed AD converter
Unit processed according to digital signal carry out real-time sampling, record sampling voltage value and corresponding time point, judge arteries and veins at heart
It fights wave crest threshold voltage, records the time under crest voltaget 1 ；Meanwhile pulse wave sampling component is acquired and is obtained at wrist at wrist
Simulation pulse wave electric signal；Simulation pulse wave electric signal at wrist is converted into digital signal by high-speed AD converter；It is micro-
Control unit according to digital signal carry out real-time sampling, record sampling voltage value and corresponding time point, judge at wrist
Pulse wave crest voltage records the time under crest voltaget 2 ；According to the time under pulse wave crest voltage at heartt 1 And wrist
Locate the time under pulse wave crest voltaget 2 , obtain time difference T；Calculate the length of vessel S at wrist and at heart, according to
PWV=S/T obtains pulse velocity of wave；Blood pressure is speculated by pulse velocity of wave；Quilt can be gone out by wrist outer display real-time display
The body parameters such as blood pressure, the heart rate of survey person.
Content described in this specification embodiment is only an enumeration of the implementation forms of the utility model concept, this is practical new
The protection scope of type should not be construed as being limited to the specific forms stated in the embodiments, the protection scope of the utility model also and
In those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (10)
1. the Wristwatch type blood pressure monitoring device based on pulse wave velocity method, it is characterised in that: including wrist strap, wrist strap is equipped with arteries and veins at heart
Pulse wave sampling component at wave sampling component and the wrist of fighting；Pulse wave sampling component includes bell-jar and pickup module at heart,
Pickup module includes microphone, and bell-jar has the first audition mouth and the second audition mouth, and the first audition mouth and the second audition mouth connect
Logical, microphone is located inside the second audition mouth.
2. as described in claim 1 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: pickup module
It further include microphone film, microphone film is located between microphone and the second audition mouth.
3. as claimed in claim 2 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: pickup module
It further include amplifier and filter.
4. as described in claim 1 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: arteries and veins at wrist
Wave sampling component of fighting includes reflection type photoelectricity pulse wave sensor, pulse wave signal filter circuit and pulse wave signal amplification electricity
Road.
5. as described in claim 1 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: described device
Including micro-control unit.
6. as claimed in claim 5 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: described device
It further include communication module, communication module is led to using bluetooth, the communication mode of WIFI, GPRS, 3G, 4G or 5G and mobile terminal
Letter, or communicated by the way of connecting mobile terminal data interface by data line.
7. as claimed in claim 6 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: described device
It further include high-speed AD converter, display and key.
8. as claimed in claim 7 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: wrist strap installation
There is the second housing for being set to extracarpal first shell of hand and being set on the inside of wrist, it is pulse wave sampling component at wrist, micro-
Control unit, communication module, high-speed AD converter, display and key are all set on the first shell, pulse wave at heart
Sampling component is set on second housing.
9. as claimed in claim 8 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: the first shell
It is connected respectively with wrist strap detachable connection, or the integrally formed mode of use with second housing.
10. as described in claim 1 based on the Wristwatch type blood pressure monitoring device of pulse wave velocity method, it is characterised in that: the dress
It sets and is powered using built-in lithium battery or detachable button cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821070203.8U CN209360675U (en) | 2018-07-06 | 2018-07-06 | Wristwatch type blood pressure monitoring device based on pulse wave velocity method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821070203.8U CN209360675U (en) | 2018-07-06 | 2018-07-06 | Wristwatch type blood pressure monitoring device based on pulse wave velocity method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209360675U true CN209360675U (en) | 2019-09-10 |
Family
ID=67811323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821070203.8U Active CN209360675U (en) | 2018-07-06 | 2018-07-06 | Wristwatch type blood pressure monitoring device based on pulse wave velocity method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209360675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720823A (en) * | 2018-07-06 | 2018-11-02 | 浙江大学山东工业技术研究院 | Wristwatch type blood pressure monitoring device and method based on pulse wave velocity method |
| CN109394187A (en) * | 2018-11-08 | 2019-03-01 | 重庆医科大学 | Wearable cardiovascular health based on monomer side signal detection monitors system |
-
2018
- 2018-07-06 CN CN201821070203.8U patent/CN209360675U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720823A (en) * | 2018-07-06 | 2018-11-02 | 浙江大学山东工业技术研究院 | Wristwatch type blood pressure monitoring device and method based on pulse wave velocity method |
| CN109394187A (en) * | 2018-11-08 | 2019-03-01 | 重庆医科大学 | Wearable cardiovascular health based on monomer side signal detection monitors system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101708121B (en) | Earhook type low power consumption physiologic parameter monitoring device | |
| CN106236051A (en) | A kind of intelligence based on PPG Yu ECG is without Tail cuff blood pressure health monitoring wrist-watch | |
| CN102048526B (en) | FPGA (field-programmable gate array)-based cardiovascular parameter non-invasive detection device and control method | |
| CN104000571A (en) | Bracelet capable of collecting multi-parameter health indexes | |
| CN101828908A (en) | Cuff-free portable device for monitoring human physiological parameters and method | |
| CN105286823A (en) | Wearable self-powered multi-physiological-parameter monitoring device and method | |
| CN102688024A (en) | Blood pressure noninvasive measuring method | |
| CN106264504A (en) | Noninvasive Blood Pressure Measurement System based on finger arteriogram and method | |
| CN102008300A (en) | Wearable multiple physiological parameter recording device | |
| TWM486395U (en) | Intelligent versatile noninvasive cardiovascular monitoring and diagnostic device | |
| TWM561501U (en) | Multi-functional intelligent watch with functions of heart rate, blood oxygen, blood pressure, electrocardiogram, and positioning call | |
| CN104382602A (en) | Multi-parameter intelligent physiological detection glove | |
| CN203898287U (en) | Bracelet capable of collecting multi-parameter health indicators | |
| CN207898469U (en) | A kind of smartwatch that can monitor health of heart at any time | |
| CN207627308U (en) | A kind of ambulatory blood pressure measuring device | |
| CN108720823A (en) | Wristwatch type blood pressure monitoring device and method based on pulse wave velocity method | |
| CN102860822A (en) | Wrist electrocardio blood pressure measurement device | |
| CN105595983A (en) | Blood pressure measuring device and method for improving blood pressure measuring accuracy | |
| CN206007239U (en) | SCM Based electronic sphygmograph | |
| CN209360675U (en) | Wristwatch type blood pressure monitoring device based on pulse wave velocity method | |
| CN110251108A (en) | Blood pressure measuring device based on electrocardio and pulse wave acoustic signals | |
| CN115770027A (en) | Blood pressure detection method and device based on artificial intelligence | |
| CN106527105A (en) | Intelligent watch and blood oxygen detection method | |
| CN205563118U (en) | A intelligent watch for measuring data are levied to multi -body | |
| CN107802259A (en) | A kind of blood pressure monitoring device based on smart machine and wearable bracelet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |