CN107569220A - A kind of accurate test device of blood pressure and its method - Google Patents
A kind of accurate test device of blood pressure and its method Download PDFInfo
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- CN107569220A CN107569220A CN201710707090.1A CN201710707090A CN107569220A CN 107569220 A CN107569220 A CN 107569220A CN 201710707090 A CN201710707090 A CN 201710707090A CN 107569220 A CN107569220 A CN 107569220A
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- photoplethaysmography
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- electrocardio
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Abstract
The invention provides a kind of accurate test device of blood pressure and its method, described device, which includes bracelet device, the electrocardio module being located therein, photoplethaysmography module and transport module and the intelligent terminal outside it, bracelet device, has the wearable shape and size at wrist artery；Electrocardio module is used to export the ECG signal for including heart contraction triggering electric signal；Photoplethaysmography module is used to export the photoplethaysmography signal for including photoplethaysmography peak signal；Transport module communicates to connect with electrocardio module and photoplethaysmography module；Intelligent terminal, outside bracelet device, intelligent terminal communicates to connect with transport module, receives ECG information and photoplethaysmography signal, pressure value, heart rate value is calculated.Present invention also offers a kind of accurate method of testing of blood pressure, and pressure value and heart rate value are drawn according to the ECG signal and photoplethaysmography signal that are obtained at wrist artery, more accurate in real time.
Description
Technical field
The present invention relates to medical equipment technical field, more particularly to a kind of accurate test device of blood pressure and its method.
Background technology
Existing blood pressure method using blood pressure measurement apparatus, it is necessary to be measured, but the blood pressure of human body can not be carried out
In real time monitoring, for need to monitor pressure value, heart rate value in time blood pressure diseases, cardiac, use not enough facilitate
In time, cardiac, the pressure value of blood pressure patient and heart rate value are once not normal, and sufferers themselves do not have self-saving ability,
Other people can only carry out test acquisition warning information by range estimation patient sign or to its blood pressure and heart rate and take first aid with specific aim
Measure, implement inconvenience and lack a kind of product that can in time, precisely test pressure value not in time, on existing market.
The content of the invention
To solve problem above, the invention provides can share ECG signal and photoplethaysmography signal, test knot
The structure more accurately a kind of accurate test device of portable blood pressure and a kind of accurate method of testing of blood pressure.
The invention provides a kind of accurate test device of blood pressure, described device includes bracelet device, in bracelet device
Electrocardio module, photoplethaysmography module and transport module and the intelligent terminal outside bracelet device, the bracelet
Device has the wearable shape and size at wrist artery；The electrocardio module is used to export to be touched comprising heart contraction
The ECG signal of electrical signal；The photoplethaysmography module is used to export the light for including photoplethaysmography peak signal
Power Capacity trace signal；The transport module communicates to connect with electrocardio module and photoplethaysmography module；Intelligent terminal, if
In outside bracelet device, the intelligent terminal communicates to connect with transport module, receives ECG information and photoplethaysmography signal,
Pressure value, heart rate value is calculated.
In the preferred embodiment of the present invention, described device also includes the accelerometer module being located in bracelet device,
The accelerometer module determines direction and the action of wearer's motion.
The present invention a preferred embodiment in, the transport module include Bluetooth communication modules, Infrared Transmission module and
Radio frequency transmission module.
In the preferred embodiment of the present invention, the ECG modules include：
Differential signal amplifier, has output end and two inputs, each input and a corresponding drying or is based on
The electrode communication of gel；And
Analog-digital converter, communicated with the output end of the differential signal amplifier.
In the preferred embodiment of the present invention, described device also includes power module, the power module and bluetooth mould
Block, electrocardio module and photoplethaysmography module are electrically connected with.
Present invention also offers a kind of method being applied in a kind of accurate test device of blood pressure as described above, including with
Lower step：
S1, bracelet device is worn at wrist artery；
S2, electrocardiogram module testing draw ECG signal, and electrocardio capacity trace module testing draws electrocardio capacity trace signal
ECG signal and electrocardio capacity trace signal are transferred to intelligent terminal by S3, transport module
The electric signal time T1 and blood electric capacity that S4, intelligent terminal trigger according to heart contraction trace the time T2 of peak value appearance,
Time pressure value is calculated according to below equation,
The time that the electric signal time T3 and blood pressure photoplethaysmography valley that S5, intelligent terminal trigger according to diastole occur
T4, diastolic blood pressure values are calculated according to below equation,
Wherein, ρ is blood pressure density, and A and B are calibration parameter, and (T2-T1) is systole phase transmission time difference, and (T4-T3) is diastole
Transmission time difference.
In the preferred embodiment of the present invention, methods described also includes calibration parameter calibrating procedure, for described in determination
Calibration parameter A and B, the calibration process are：
Systolic pressure and calibration diastolic pressure are calibrated to anthropological measuring to be measured using the blood pressure measuring method of standard；
And record the systole phase transmission time difference and diastole transmission time difference measured simultaneously；And the calibration is shunk
Pressure and calibration diastolic pressure and the systole phase transmission time difference (T2-T1) and diastole transmission time difference (T4-T3) measured simultaneously
Substitute into respectively in the formula and calculate the calibration parameter A and B.
In the preferred embodiment of the present invention, methods described also includes：
Within a predetermined period of time, the average time between photoplethaysmography signal peak is calculated, average time divided by 60s are obtained
Go out heart rate value.
In the preferred embodiment of the present invention, the heart is corrected using the action data from the accelerometer module
Action pseudomorphism in one or more of electrical picture signal and the photoplethaysmography signal.
A kind of accurate test device of blood pressure provided by the invention and its method have the beneficial effect that：
1st, the accurate test device of a kind of blood pressure provided by the invention, is worn at wrist artery, can detect the heart of human body in real time
Electrical picture signal and photoplethaysmography signal, the transport module transmit ECG signal and photoelectricity trace signal to intelligent end
On end, the blood pressure value data and heart rate value of human body is calculated in intelligent terminal, and the bracelet device is worn in user's wrist, intelligence
Energy terminal can be held at other guardians, and guardian can monitor in real time to the pressure value and heart rate value of user, and according to pressure value
Emergency rescue measure is made in change with heart rate value in time, realizes more efficient and convenient；
2nd, the accurate method of testing of a kind of blood pressure provided by the invention, the electrocardio module and photocapacitance at wrist artery are passed through
Product traces module measurement and draws ECG signal and photoplethaysmography signal, more accurately and timely, when being transmitted according to the systole phase
Between poor (T2-T1) and diastole transmission time difference (T4-T3) calculate systolic pressure and diastole pressure, numerical value is more accurate.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that the embodiment of the present invention is described in detail, technical scheme will be made
And other beneficial effects are apparent.
Fig. 1 is a kind of accurate test device structural representation of blood pressure；
Fig. 2 is a kind of accurate method of testing flow chart of blood pressure.
Main element symbol description：
10th, bracelet device；20th, electrocardio module；30th, photoplethaysmography module；40th, transport module；50th, intelligent terminal；60、
Accelerometer module.
Embodiment
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with being preferable to carry out for the present invention
Example and its accompanying drawing are described in detail.
Fig. 1 is refer to, the invention provides a kind of accurate test device of blood pressure, described device includes bracelet device 10, set
Electrocardio module 20, photoplethaysmography module 30 and transport module 40 in bracelet device 10 and located at bracelet device
Intelligent terminal 50 outside 10, the bracelet device 10 have the wearable shape and size at wrist artery；The electrocardiogram
Module 20 is used to export the ECG signal for including heart contraction triggering electric signal；The photoplethaysmography module 30 is used for defeated
Go out to include the photoplethaysmography signal of photoplethaysmography peak signal；The transport module 40 and electrocardio module 20 and light
Power Capacity is traced module 30 and communicated to connect；Intelligent terminal 50, outside bracelet device 10, the intelligent terminal 50 and transport module
40 communication connections, receive ECG information and photoplethaysmography signal, pressure value, heart rate value are calculated.The present invention provides
A kind of accurate test device of blood pressure, be worn at wrist artery, because signal is more obvious at artery, at artery catch the heart
Electrical picture signal and photoplethaysmography signal are more accurate, can detect the ECG signal and photoplethaysmography of human body in real time
Signal, the transport module 40 transmit ECG signal and photoelectricity trace signal to intelligent terminal 50, and intelligent terminal 50 is counted
The blood pressure value data and heart rate value for drawing human body are calculated, the bracelet device 10 is worn in user's wrist, and intelligent terminal 50 can be held
At other guardians, guardian can monitor in real time to the pressure value and heart rate value of user, and according to pressure value and heart rate value
Emergency rescue measure is made in change in time, realizes more efficient and convenient；
In the preferred embodiment of the present invention, described device also includes the accelerometer module 60 being located in bracelet device 10,
The accelerometer module 60 determines direction and the action of wearer's motion.
The transport module 40 is Bluetooth communication modules 40, in other embodiments of the invention, the transport module 40
Can also be Infrared Transmission module 40 and radio frequency transmission module 40.
In the preferred embodiment of the present invention, the ECG modules include：
Differential signal amplifier, has output end and two inputs, each input and a corresponding drying or is based on
The electrode communication of gel；And
Analog-digital converter, communicated with the output end of the differential signal amplifier.
In the preferred embodiment of the present invention, described device also includes power module, the power module and bluetooth mould
Block, electrocardio module 20 and photoplethaysmography module 30 are electrically connected with.
Fig. 2 is refer to, is applied to present invention also offers a kind of in a kind of accurate test device of blood pressure as described above
Method, comprise the following steps：
S1, bracelet device 10 is worn at wrist artery；
S2, the test of electrocardio module 20 draw ECG signal, and electrocardio capacity trace module testing show that electrocardio capacity trace is believed
Number
ECG signal and electrocardio capacity trace signal are transferred to intelligent terminal 50 by S3, transport module 40
The electric signal time T1 and blood electric capacity that S4, intelligent terminal 50 trigger according to heart contraction trace the time of peak value appearance
T2, time pressure value is calculated according to below equation,
Electric signal time T3 and blood pressure photoplethaysmography valley that S5, intelligent terminal 50 trigger according to diastole occur when
Between T4, diastolic blood pressure values are calculated according to below equation,
Wherein, ρ is blood pressure density, and A and B are calibration parameter, and (T2-T1) is systole phase transmission time difference, and (T4-T3) is diastole
Transmission time difference.The accurate method of testing of a kind of blood pressure provided by the invention, passes through the electrocardio module 20 at wrist artery
ECG signal and photoplethaysmography signal are drawn with the measurement of photoplethaysmography module 30, more accurately and timely, according to receipts
Contracting phase transmission time difference (T2-T1) and diastole transmission time difference (T4-T3) calculate systolic pressure and diastole pressure, and numerical value is more smart
It is accurate.
In the preferred embodiment of the present invention, methods described also includes calibration parameter calibrating procedure, for described in determination
Calibration parameter A and B, the calibration process are：
Systolic pressure and calibration diastolic pressure are calibrated to anthropological measuring to be measured using the blood pressure measuring method of standard；
And record the systole phase transmission time difference and diastole transmission time difference measured simultaneously；And
By the calibration systolic pressure and calibration diastolic pressure and the systole phase transmission time difference (T2-T1) measured and diastole simultaneously
Transmission time difference (T4-T3) substitutes into the formula respectively calculates the calibration parameter A and B.
In the preferred embodiment of the present invention, methods described also includes：
Within a predetermined period of time, the average time between photoplethaysmography signal peak is calculated, average time divided by 60s are obtained
Go out heart rate value.Heart rate value can be shown from intelligent terminal 50, be easy to other people the heart rate value to bracelet wearer to supervise in real time
Control.
In the preferred embodiment of the present invention, using described in the action data correction from the accelerometer module 60
Action pseudomorphism in one or more of ECG signal and the photoplethaysmography signal.Reduction action pseudomorphism causes
Signal noise.
It is described above, for the person of ordinary skill of the art, can be with technique according to the invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (9)
1. a kind of accurate test device of blood pressure, it is characterised in that described device includes：
Bracelet device, there are the wearable shape and size at wrist artery；
Electrocardio module, in bracelet device, the ECG signal of heart contraction triggering electric signal is included for exporting；
Photoplethaysmography module, in bracelet device, for exporting the photocapacitance for including photoplethaysmography peak signal
Product trace signal；
Transport module, in bracelet device, the transport module and electrocardio module and photoplethaysmography module communication link
Connect；
Intelligent terminal, outside bracelet device, the intelligent terminal communicates to connect with transport module, receives ECG information and light
Power Capacity trace signal, pressure value, heart rate value is calculated.
2. the accurate test device of a kind of blood pressure according to claim 1, it is characterised in that described device also includes being located at hand
Accelerometer module in loop device, the accelerometer module determine direction and the action of wearer's motion.
3. the accurate test device of a kind of blood pressure according to claim 1, it is characterised in that the transport module includes bluetooth
Transport module, Infrared Transmission module and radio frequency transmission module.
4. the accurate test device of a kind of blood pressure according to claim 1, it is characterised in that the ECG modules include：
Differential signal amplifier, has output end and two inputs, each input and a corresponding drying or is based on
The electrode communication of gel；And
Analog-digital converter, communicated with the output end of the differential signal amplifier.
5. the accurate test device of a kind of blood pressure according to claim 1, it is characterised in that described device also includes power supply mould
Block, the power module are electrically connected with bluetooth module, electrocardio module and photoplethaysmography module.
A kind of 6. method being applied in a kind of accurate test device of blood pressure as claimed in claim 2, it is characterised in that including
Following steps：
S1, bracelet device is worn at wrist artery；
S2, electrocardiogram module testing draw ECG signal, and electrocardio capacity trace module testing draws electrocardio capacity trace signal；
ECG signal and electrocardio capacity trace signal are transferred to intelligent terminal by S3, bluetooth module；
The electric signal time T1 and blood electric capacity that S4, intelligent terminal trigger according to heart contraction trace the time T2 of peak value appearance,
Time pressure value is calculated according to below equation,
The time that the electric signal time T3 and blood pressure photoplethaysmography valley that S5, intelligent terminal trigger according to diastole occur
T4, diastolic blood pressure values are calculated according to below equation,
Wherein, ρ is blood pressure density, and A and B are calibration parameter, and (T2-T1) is systole phase transmission time difference, and (T4-T3) is diastole
Transmission time difference.
A kind of 7. method according to claim 6, it is characterised in that methods described also includes calibration parameter calibrating procedure,
For determining the calibration parameter A and B, the calibration process is：
Systolic pressure and calibration diastolic pressure are calibrated to anthropological measuring to be measured using the blood pressure measuring method of standard；
And record the systole phase transmission time difference and diastole transmission time difference measured simultaneously；And
By the calibration systolic pressure and calibration diastolic pressure and the systole phase transmission time difference (T2-T1) measured and diastole simultaneously
Transmission time difference (T4-T3) substitutes into the formula respectively calculates the calibration parameter A and B.
8. a kind of method according to claim 6, it is characterised in that methods described also includes：
Within a predetermined period of time, the average time between photoplethaysmography signal peak is calculated, average time divided by 60s are obtained
Go out heart rate value.
9. a kind of method according to claim 6, it is characterised in that use the action number from the accelerometer module
According to the action pseudomorphism in correction one or more of the ECG signal and the photoplethaysmography signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710707090.1A CN107569220A (en) | 2017-08-17 | 2017-08-17 | A kind of accurate test device of blood pressure and its method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707090.1A CN107569220A (en) | 2017-08-17 | 2017-08-17 | A kind of accurate test device of blood pressure and its method |
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| CN107569220A true CN107569220A (en) | 2018-01-12 |
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| CN201710707090.1A Pending CN107569220A (en) | 2017-08-17 | 2017-08-17 | A kind of accurate test device of blood pressure and its method |
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| CN104257362A (en) * | 2014-09-30 | 2015-01-07 | 成都柏森松传感技术有限公司 | Monitoring system for human body physiological signals |
| CN106236051A (en) * | 2016-08-19 | 2016-12-21 | 深圳市前海领创智能科技有限公司 | A kind of intelligence based on PPG Yu ECG is without Tail cuff blood pressure health monitoring wrist-watch |
| CN106413526A (en) * | 2014-05-22 | 2017-02-15 | 三星电子株式会社 | Electrocardiogram watch clasp |
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2017
- 2017-08-17 CN CN201710707090.1A patent/CN107569220A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008296A (en) * | 2010-12-24 | 2011-04-13 | 吉林大学 | Device and method for measuring arterial blood pressures based on pulse wave signals and electrocardiosignals |
| CN103596492A (en) * | 2011-02-09 | 2014-02-19 | 麻省理工学院 | Ear wearable vital sign monitor |
| US20140081152A1 (en) * | 2012-09-14 | 2014-03-20 | Nellcor Puritan Bennett Llc | System and method for determining stability of cardiac output |
| CN106413526A (en) * | 2014-05-22 | 2017-02-15 | 三星电子株式会社 | Electrocardiogram watch clasp |
| CN104042207A (en) * | 2014-06-20 | 2014-09-17 | 中国科学院苏州生物医学工程技术研究所 | Intelligent bracelet with feedback and relaxing functions |
| CN104257362A (en) * | 2014-09-30 | 2015-01-07 | 成都柏森松传感技术有限公司 | Monitoring system for human body physiological signals |
| CN106236051A (en) * | 2016-08-19 | 2016-12-21 | 深圳市前海领创智能科技有限公司 | A kind of intelligence based on PPG Yu ECG is without Tail cuff blood pressure health monitoring wrist-watch |
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Application publication date: 20180112 |