CN203736185U - Blood pressure detecting device with function of cardiovascular function detection - Google Patents
Blood pressure detecting device with function of cardiovascular function detection Download PDFInfo
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- CN203736185U CN203736185U CN201420109336.7U CN201420109336U CN203736185U CN 203736185 U CN203736185 U CN 203736185U CN 201420109336 U CN201420109336 U CN 201420109336U CN 203736185 U CN203736185 U CN 203736185U
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title abstract description 13
- 230000009084 cardiovascular function Effects 0.000 title abstract description 5
- 230000006870 function Effects 0.000 title abstract 2
- 230000006978 adaptation Effects 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000035487 diastolic blood pressure Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 description 6
- 230000002526 effect on cardiovascular system Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 230000000004 hemodynamic effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000036996 cardiovascular health Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000024172 Cardiovascular disease Diseases 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 210000000748 cardiovascular system Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 230000035479 physiological effects, processes and functions Effects 0.000 description 2
- 210000001765 aortic valve Anatomy 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 208000015606 cardiovascular system disease Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003205 diastolic effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000010247 heart contraction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model provides equipment capable of continuously detecting a blood pressure value and a pulse wave. A blood pressure detecting device with a function of cardiovascular function detection comprises an air pump, a driver, a wristband, a pressure sensor, a first circuit, a second circuit, a microprogram control unit and the like, wherein the microprogram control unit sends a pressure control signal about a first pressure value to the driver on the basis of blood pressure data from the first circuit so as to control pressure of the air pump, and sends an updated pressure control signal for adaptively adjusting the first pressure value into a second pressure value on the basis of waveform characteristics of a pulse wave extracted from the second circuit in the first pressure value, and the waveform characteristics of a pulse wave signal from the second circuit meet the feature point requirements of pulse wave detection in the adaptively adjusted second pressure value.
Description
Technical field
This utility model relates to blood pressure detector.
Background technology
Along with the improvement day by day of people's living standard, cardiovascular system diseases strengthens day by day to human life and health hazard degree in the world, thereby make cardiovascular health health care instrument be subject to the extensive attention of medical institutions and family, show the huge market demand.
The device that detects blood pressure is existing multiple at present.For example, electric sphygmomanometer adopts oscillographic method to detect conventionally.Utilize cuff interruption artery blood flow, in the process of venting (or pressurization), detect by pressure transducer the wave of oscillation envelope that comes from blood vessel wall, and by the relation between envelope and arteriotony, calculate corresponding blood pressure.In the time detecting blood pressure, the regular wave of oscillation detecting, is called pulse wave.There are some researches show, wave character and the cardiovascular disease of pulse wave have close relationship, and the integrated information of the aspect such as form that pulse wave shows, intensity, R&R reflects much physiology and the pathological characters of cardiovascular system of human body to a great extent.Clinical confirmation, the variation of the variation of hemodynamic parameter and pulse waveform feature is closely related.
Summary of the invention
This utility model provides the equipment of a kind of continuous detecting pressure value and pulse wave, comprise: air pump, driver, cuff, pressure transducer, the first circuit, second circuit, mini program controlling unit, wherein air pump is connected with driver, is activated the driving of device and pressurizes, driver is also connected with mini program controlling unit, to receive the pressure controling signal from mini program controlling unit, cuff, is connected with described air pump, is driven and is inflated by described air pump, pressure transducer, be connected with second circuit with described cuff and the first circuit, detect the force value wave of oscillation of described cuff as pulse wave, and send to the first circuit and second circuit, the first circuit comprises the first low pass filter, the first amplifying circuit and the first analog-digital converter, second circuit comprises the second low pass filter, the second amplifying circuit and the second analog-digital converter, the first circuit is also connected with mini program controlling unit with second circuit, for the treatment of the pulse wave signal from pressure transducer to send to mini program controlling unit, the pulse wave signal of the first circuit is received and is processed into blood pressure data as pulse envelope by mini program controlling unit, the pulse wave signal of second circuit is extracted pulse waveform feature by mini program controlling unit, the blood pressure data of mini program controlling unit based on from the first circuit sends the pressure controling signal about the first force value to described driver, and based on extracted, from the wave character of the pulse wave under described first force value of second circuit, send the pressure controling signal that described the first force value self adaptation is adjusted into the renewal of the second force value to described driver, under described the second force value from the wave character of the pulse wave signal of described second circuit after self adaptation adjustment, meet the characteristic point requirement that pulse wave detects.
Brief description of the drawings
Fig. 1 is according to the high level block diagram of the system of an embodiment of the present utility model;
Fig. 2 is according to the block diagram of the blood pressure detector of an embodiment of the present utility model;
Fig. 3 is according to the operational flowchart of the force value that is identified for pulse wave detection of an embodiment of the present utility model; And
Fig. 4 is the local oscillogram according to the pulse wave of an embodiment of the present utility model.
Detailed description of the invention
This utility model provides a kind of blood pressure detection and device based on pulse wave human body cardiovascular function of collecting.Can measure the hemodynamic parameter of blood pressure and human body cardiovascular aspect by one-time detection simultaneously; can assist the routine testing of family's cardiovascular function, continuous care to the state of an illness and curative effect of medication is carried out to self assessment, thereby the early prediction of healthy protect and pathological changes is of great importance.
This utility model adopts integral structure Integrated design, can complete the detection of blood pressure and pulse wave by metering system on wrist, by wireless mode, for example bluetooth mode is transferred to PC, PAD and mobile device client is carried out the analysis of human body cardiovascular health, convenient to use.
With reference to figure 1, this utility model comprises blood pressure detection module 110, and pulse waveform detection module 120.Detect and obtain after pressure value at blood pressure detection module 110, pulse waveform detection module 120 is based on pressure value, for air pump is determined force value, and detect in real time the pulse waveform under this force value, force value is carried out to self adaptation adjustment, to make pulse waveform meet the characteristic point requirement that pulse wave detects.The oscillogram of pulse wave schematically shows at Fig. 4, and the characteristic point that pulse wave detects requires also will describe below with reference to Fig. 4.
With reference to figure 2, in an embodiment of the present utility model, air bag 204, pressure transducer 208, amplifying circuit 210, analog-digital converter (ADC) 212, MCU214, valve 216, driver 218, input/output interface 220 and power management module 222 etc. that blood pressure detector 200 of the present utility model comprises air pump 202, cuff and is associated.Air pump 202 is connected with the driver 218 that controlled by MCU214, and is driven by driver 218 and pressurize.Cuff 204 is connected with air pump 202, and has the air bag being associated.In the time that air pump 202 pressurizes, air bag is inflated.Cuff 204 is also connected with pressure transducer 208.In the time that air bag is inflated, pressure transducer 208 is measured the pressure oscillation ripple of cuff 204 as pulse wave.Pressure transducer 208 also connects two-way low pass filter.This two-way low pass filter carries out filtering to pressure transducer 208 pulse wave signal obtaining that detects.Two-way low pass filter is connected with corresponding amplifying circuit 210 respectively.Amplifying circuit 210 amplifies the signal through low pass filter filtering.Amplifying circuit 210 also connects corresponding ADC212, for converting the simulation pulse wave signal amplifying through amplifying circuit 210 to digital signal.Two ADC212 are all connected in MCU214, and obtained digital signal is sent to MCU214.MCU214 receives two ways of digital signals.Wherein a road is used as pulse envelope to be processed into pressure value by MCU214.Another railway digital signal is processed with extract real-time pulse waveform feature by MCU214.MCU214 is also connected in a valve 216.In this utility model, valve 216 can include but not limited to electromagnetic valve.The pressure value that MCU214 obtains based on processing is determined a force value, and the force value that control driver 218 is adjusted air pump 202 reaches this force value.Simultaneously, MCU214 detects the pulse wave obtaining from another railway digital signal in real time to extract pulse waveform feature, the also further pulse wave feature based on extract real-time of MCU214, control driver 218 and make the wave character of pulse wave obvious with self adaptation adjustment air pump 202 force value, meet the characteristic point requirement (Fig. 2) that pulse wave detects.In the time that the wave character of pulse wave meets characteristic point that pulse wave detects and requires, MCU214 is to valve 216 valve-off 216 that transmits control signal, and fixes with the force value after keeping adjusting.MCU214 is also connected with USB interface, bluetooth module and other wired or wireless input/output interface 220, keeps to send to miscellaneous equipment the blood pressure data and the force value that obtain wired or wirelessly the pulse waveform feature of extracting under fixation case.Blood pressure detector of the present utility model also can comprise power management module 222.Power management module comprises battery, charge protection device and voltage keying circuit.In one embodiment, also can power to voltage check device of the present utility model by USB interface etc.
Adopt blood pressure detector of the present utility model, MCU214 is Measure blood pressure value first.MCU214 controls air pump 202 by driver 218, makes it carry out linearity pressurization, thereby drives the associated air bag 206 of cuff 204 being connected with air pump 202 to inflate.Pressure transducer 208 detects the pressure oscillation ripple of cuff 204 as pulse wave.The signal that pressure transducer 208 obtains can be processed by one of two-way circuit.Each road circuit includes corresponding low pass filter, amplifying circuit 210, ADC212 etc.First the signal obtaining from pressure transducer 208 carries out filtering through low pass filter.The signal through filtering obtaining is passed into corresponding amplifying circuit 210 and amplifies, and converts digital signal to by corresponding ADC212 subsequently.Digital signal after conversion is sent to MCU214.MCU214 carries out digital filtering to the digital signal obtaining.The filtered digital signal of the enterprising line number word of Yi road circuit is analyzed to obtain relevant blood pressure data as pulse envelope by MCU214 subsequently.Can blood pressure data be sent to miscellaneous equipment by bluetooth module or other wired or wireless transmission mechanism, such as Set Top Box, smart phone, tablet PC, laptop computer, intelligent watch etc.
After receiving blood pressure data, MCU214, using blood pressure data as benchmark, determines and is applicable to the force value that pulse waveform detects.Fig. 3 shows the operating process of determining the force value that is applicable to pulse waveform detection.
In step 310, MCU214 obtains a pressure value P using this blood pressure data as benchmark data.Particularly, MCU214 can adopt diastolic pressure in blood pressure data or mean pressure data as pressure value P.In step 320, MCU214 controls driver 218 and reaches pressure value P so that obtain air pump 202.In step 330, MCU214 detects the digital signal through digital filtering on another road circuit in real time, extracts under pressure value P the information about the wave character of pulse wave.In step 340, the shape information of the pulse wave under the pressure value P of MCU214 based on obtained, adjusts the force value of air pump 202 according to adaptive mode, reach make pulse waveform meet pressure value P after the adjustment that characteristic point that pulse wave detects requires '.In step 350, pressure value P after air pump reaches this specific adjustment ' time, valve-off 216, so that the pressure value P of this self adaptation after adjusting ' keep fixing.Pressure value P ' analyze to obtain physiology and the pathologic condition about the cardiovascular system of human body so the lower pulse wave gathering can be used to cardiovascular dynamics parameter.Like this, blood pressure detector of the present utility model can gather for Different Individual adjustment the force value of pulse wave, in the situation that this force value is fixing, gather pulse wave, effectively solve the individual variation problem of pulse wave, thereby guarantee that the pulse wave collecting meets the requirement of concordance and accuracy.
Fig. 4 schematically shows according to the oscillogram of the pulse wave part of an embodiment of the present utility model, and wherein dash area is corresponding with heart contraction.As shown in Figure 4, the characteristic point of pulse wave includes but not limited to: a point---atrium starting point; B point---opening of aortic valve point; C point---aorta maximal pressure force; E1 point---LV Diastolic starting point; E2 point---the ripple starting point of getting damp; G point---ripple peak gets damp.Can be by adopting the waveform analysis means such as wavelet analysis to attempt to extract the characteristic point of pulse wave from the oscillogram of pulse wave.In the time that the particular combinations of these characteristic points can be extracted by waveform analysis means, the oscillogram of pulse wave is considered to meet the characteristic point requirement that pulse wave detects.In one embodiment, in the time that a, b, c, d, e, g point all can extract by waveform analysis means, the oscillogram of pulse wave is considered to meet the characteristic point requirement that pulse wave detects.Be appreciated that in different embodiment, can adopt the various combination of characteristic point.
Therefore, this utility model is by the mode of continuous detecting, in same checkout gear, pressure value and cardiovascular dynamics analyzed to required pulse wave and gathered simultaneously.First, the mode that adopting boosts measures, in the process of linearity pressurization, is extracted pulse wave signal calculating blood pressure value; Then, using measure pressure value as benchmark data, MCU214 controls air pump 202 and pressurizes, MCU214 is by detecting in real time the characteristic information of pulse waveform simultaneously, adopt adaptive mode, adjust the pressurization value of air pump 202, to reach a particular pressure value that makes pulse waveform feature meet the characteristic point requirement of pulse wave detection, gather the pulse wave under this particular pressure value, with pulse wave concordance and the accuracy guaranteeing to gather.
This utility model collection blood pressure detect and hemodynamics parameter be detected on one, both solve cardiovascular checkout equipment and needed the non real-time property that Measure blood pressure brings separately, also expanded the application that sphygomanometer detects simultaneously, in Measure blood pressure, noinvasive estimates hemodynamic parameters for user easily, for the health care of daily management of cardiovascular health and subhealth state facilitates.
Claims (5)
1. an equipment for continuous detecting pressure value and pulse wave, comprising: air pump, driver, cuff, pressure transducer, the first circuit, second circuit, mini program controlling unit, and wherein air pump is connected with driver, is activated the driving of device and pressurizes, driver is also connected with mini program controlling unit, to receive the pressure controling signal from mini program controlling unit, cuff, is connected with described air pump, is driven and is inflated by described air pump, pressure transducer, be connected with second circuit with described cuff and the first circuit, detect the force value wave of oscillation of described cuff as pulse wave, and send to the first circuit and second circuit, the first circuit comprises the first low pass filter, the first amplifying circuit and the first analog-digital converter, second circuit comprises the second low pass filter, the second amplifying circuit and the second analog-digital converter, the first circuit is also connected with mini program controlling unit with second circuit, for the treatment of the pulse wave signal from pressure transducer to send to mini program controlling unit, the pulse wave signal of the first circuit is received and is processed into blood pressure data as pulse envelope by mini program controlling unit, the pulse wave signal of second circuit is extracted pulse waveform feature by mini program controlling unit, the blood pressure data of mini program controlling unit based on from the first circuit sends the pressure controling signal about the first force value to described driver, and based on extracted, from the wave character of the pulse wave under described first force value of second circuit, send the pressure controling signal that described the first force value self adaptation is adjusted into the renewal of the second force value to described driver, under described the second force value from the wave character of the pulse wave signal of described second circuit after self adaptation adjustment, meet the characteristic point requirement that pulse wave detects.
2. equipment as claimed in claim 1, is characterized in that, described the first force value is based on diastolic pressure.
3. equipment as claimed in claim 1, is characterized in that, described the first force value is based on mean pressure.
4. equipment as claimed in claim 1, it is characterized in that, described equipment also comprises valve, valve is connected with mini program controlling unit and cuff, after described the first force value self adaptation is adjusted into the second force value, valve receives from the instruction of mini program controlling unit and is closed, and makes described the second force value keep fixing.
5. equipment as claimed in claim 1, is characterized in that, described equipment also comprises input/output interface, for sending the pulse wave signal under the second force value described second circuit, described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109336.7U CN203736185U (en) | 2014-03-11 | 2014-03-11 | Blood pressure detecting device with function of cardiovascular function detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109336.7U CN203736185U (en) | 2014-03-11 | 2014-03-11 | Blood pressure detecting device with function of cardiovascular function detection |
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| CN203736185U true CN203736185U (en) | 2014-07-30 |
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| CN201420109336.7U Expired - Lifetime CN203736185U (en) | 2014-03-11 | 2014-03-11 | Blood pressure detecting device with function of cardiovascular function detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206838A1 (en) * | 2016-06-03 | 2017-12-07 | 广州中科新知科技有限公司 | Blood pressure measurement instrument |
| CN108697404A (en) * | 2016-02-12 | 2018-10-23 | 高通股份有限公司 | Ultrasonic equipment for estimated blood pressure and other cardiovascular properties |
| CN112826464A (en) * | 2021-01-18 | 2021-05-25 | 查红梅 | Blood pressure detection circuit for medical equipment |
-
2014
- 2014-03-11 CN CN201420109336.7U patent/CN203736185U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108697404A (en) * | 2016-02-12 | 2018-10-23 | 高通股份有限公司 | Ultrasonic equipment for estimated blood pressure and other cardiovascular properties |
| CN108697404B (en) * | 2016-02-12 | 2021-01-08 | 高通股份有限公司 | Ultrasound device for estimating blood pressure and other cardiovascular properties |
| US11020057B2 (en) | 2016-02-12 | 2021-06-01 | Qualcomm Incorporated | Ultrasound devices for estimating blood pressure and other cardiovascular properties |
| US11020058B2 (en) | 2016-02-12 | 2021-06-01 | Qualcomm Incorporated | Methods and devices for calculating blood pressure based on measurements of arterial blood flow and arterial lumen |
| WO2017206838A1 (en) * | 2016-06-03 | 2017-12-07 | 广州中科新知科技有限公司 | Blood pressure measurement instrument |
| CN112826464A (en) * | 2021-01-18 | 2021-05-25 | 查红梅 | Blood pressure detection circuit for medical equipment |
| CN112826464B (en) * | 2021-01-18 | 2024-04-12 | 北京光大怡科科技有限公司 | Blood pressure detection circuit for medical equipment |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220713 Address after: 200331 room j3481, building 2, No. 4268, Zhennan Road, Jiading District, Shanghai Patentee after: Chunxi (Shanghai) Information Technology Co.,Ltd. Address before: 201103 Floor 9, No. 2016, Yishan Road, Minhang District, Shanghai Patentee before: TIANCHUANG JUHE TECHNOLOGY (SHANGHAI) CO.,LTD. |
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Granted publication date: 20140730 |
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| CX01 | Expiry of patent term |