CN102008298A - Method for measuring blood pressure by double-mode electronic sphygmomanometer - Google Patents
Method for measuring blood pressure by double-mode electronic sphygmomanometer Download PDFInfo
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- CN102008298A CN102008298A CN201010601760XA CN201010601760A CN102008298A CN 102008298 A CN102008298 A CN 102008298A CN 201010601760X A CN201010601760X A CN 201010601760XA CN 201010601760 A CN201010601760 A CN 201010601760A CN 102008298 A CN102008298 A CN 102008298A
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Abstract
The invention relates to a method for measuring blood pressure by a double-mode electronic sphygmomanometer. The method is realized by the following steps: detecting the Korotkoff sound on a brachial artery above a human body elbow by a Korotkoff sound sensor, and transmitting the Korotkoff sound to a Korotkoff sound detection circuit via a cable; transmitting an amplified and filtered Korotkoff sound signal to a processing unit by the Korotkoff sound detection circuit; recording, processing and judging the Korotkoff sound by the processing unit, and controlling a light-emitting unit to transmit light-emitting display synchronous to the Korotkoff sound of a testee according to the diagnostic medicine requirements; collecting a pressure signal by a pressure sensor; after the pressure detection circuit amplifies and filters the pressure signal, transmitting the amplified and filtered pressure signal to the processing unit; simultaneously processing the Korotkoff sound signal and a pressure and pulse wave signal by the processing unit; and measuring blood pressure with an oscillography and an electronic Korotkoff sound method by the processing unit to obtain an accurate and reliable result.
Description
Technical field
The present invention relates to human blood-pressure and measure medical domain, refer more particularly to the method that a kind of bimodulus blood pressure measuring that adopts oscillographic method and electronics Ke Shi sound method is simultaneously taken blood pressure.
Background technology
Blood pressure is one of physiological parameter of wanting of body weight for humans, is to diagnose the illness, observe therapeutic effect clinically, carry out the important evidence that prognosis is judged.The method of measuring blood pressure mainly is divided into oscillographic method and Ke Shi sound method two classes.
The main process of oscillographic method is to use cuff interruption artery blood flow earlier, detects the gas pressure wave of oscillation in the cuff in deflation course, selects wave of oscillation amplitude maximum as the reference point, differentiates systolic pressure and diastolic pressure according to the clinical statistics rule.Clinical probability statistics rule obtains because the differentiation of oscillographic method systolic pressure and diastolic pressure is based on, and do not consider individual variation, thus oscillographic method to measure when individual adaptability relatively poor, may occur than big-difference.
Ke Shi sound method is with cuff interruption artery blood flow, and slowly venting is listened to pulse sound with stethoscope simultaneously then, can hear powerful pulse sound by stethoscope, and waiting a moment lightens slowly, until hearing the very steady calibration normal pulse sound of fighting.The high pressure of correspondence is exactly a systolic pressure when hearing pulse sound for the first time; Continue venting, last pulse sound correspondence be exactly diastolic pressure.Ke Shi sound method is the actual goldstandard of clinical blood pressure measurement.But there is certain problem in this method, and operation is complicated, mainly depends on people's subjectivity, and repeatability is relatively poor.
Summary of the invention
At above-mentioned oscillographic method sphygomanometer measure that the result is inaccurate, Ke Shi sound sphygomanometer complicated operation, the relatively poor defective of repeatability, the technical issues that need to address of the present invention have provided the method that a kind of bimodulus blood pressure measuring that adopts oscillographic method and electronics Ke Shi sound method is simultaneously taken blood pressure, and are intended to address the above problem.
In order to address the above problem, the present invention realizes by following steps:
A kind of method that adopts the bimodulus electric sphygmomanometer to measure blood pressure, realize by following steps:
Survey the Ke Shi sound and flow to the Ke Shi tone detection circuit with korotkoff sound sensor brachial artery place above the human body crook of the arm by cable;
The Ke Shi tone detection circuit will amplify, filtered Ke Shi tone signal is transferred to processing unit; Processing unit writes down, handles, judges the Ke Shi sound, sends the light-emitting flash demonstration synchronous with measured Ke Shi sound by diagnosis medical requirement control luminescence unit; Flicker was glimmered when the Ke Shi sound " is changed voice " for the last time for the first time when the Ke Shi sound occurred;
The gauger reads with reference to systolic pressure from display unit when seeing that luminescence unit has rhythm and pace of moving things flicker for the first time, glimmers to read with reference to diastolic pressure when last.
Above-mentioned employing bimodulus electric sphygmomanometer is measured the method for blood pressure, and it is further characterized in that: described korotkoff sound sensor is made by piezoquartz, and this crystal is the sound wave sensitivity of 30-100Hz to frequency.
Above-mentioned employing bimodulus electric sphygmomanometer is measured the method for blood pressure, it is further characterized in that: described processing unit is by built-in A/D convertor circuit, software recognizes first when setting the signal of threshold values, confirms first Ke Shi sound, to determine with reference to systolic pressure; Processing is read with software mode and is remembered Ke Shi sound second peak intensity, and when intensity decreases to second peak intensity 1/4 the time confirm that the Ke Shi sound finishes, to determine with reference to diastolic pressure.
Above-mentioned employing bimodulus electric sphygmomanometer is measured the method for blood pressure, and it is further characterized in that: pressure transducer is gathered pressure signal; Pressure detection circuit is transferred to processing unit after with the pressure signal amplification filtering; Processing unit is transferred to display unit with pressure signal and shows; Processing unit is discerned corresponding pulse wave signal, and on display unit with the synchronous display reminding information of pulse wave.
Processing unit is handled Ke Shi tone signal and pressure, pulse wave signal simultaneously, and processing unit adopts oscillographic method and electronics Ke Shi sound method to carry out blood pressure measurement simultaneously; Processing unit is determined the approximate range of systolic pressure and diastolic pressure according to software set oscillographic method coefficient, calculates the exact value of determining systolic pressure and diastolic pressure in conjunction with the Ke Shi tone signal of gathering then.
Compared with prior art, the invention has the beneficial effects as follows:
Realize the automatic identification of Ke Shi sound, can accurately and reliably faint Ke Shi tone signal be transformed into the same rhythm and pace of moving things flash for prompting of luminescence display unit, handle Ke Shi tone signal and oscillographic method pressure signal and pulse signal simultaneously, realize the combination of oscillographic method and electronics Ke Shi sound method, measurement result accurately and reliably.
Description of drawings
Fig. 1 is that the system of the embodiment of the invention realizes block diagram.
Fig. 2 is the detailed pie graph of the system of the embodiment of the invention.
Fig. 3 is the oscillographic method pressure pulse variation diagram of the embodiment of the invention.
Fig. 4 is the Ke Shi sound intensity map of the embodiment of the invention.
Fig. 5 is the bimodulus blood pressure differentiation figure of the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail.
Employing bimodulus electric sphygmomanometer of the present invention is measured the method for blood pressure, the steps include: to survey the Ke Shi sound and flow to the Ke Shi tone detection circuit by cable with korotkoff sound sensor brachial artery place above the human body crook of the arm;
The Ke Shi tone detection circuit is transferred to processing unit after with Ke Shi tone signal amplification filtering;
Processing unit record, processing, judgement Ke Shi sound send the luminous demonstration synchronous with the Ke Shi sound by diagnosis medical requirement control luminescence unit;
Pressure transducer obtains the pressure signal that changes in the cuff, is transferred to pressure detection circuit;
Pressure detection circuit with the pressure signal amplification filtering after, therefrom isolate pressure signal and pulse signal, be transferred to processing unit;
Processing unit is handled Ke Shi tone signal and pressure, pulse wave signal simultaneously, and processing unit adopts oscillographic method and electronics Ke Shi sound method to carry out blood pressure measurement simultaneously.
Fig. 1 is that system realizes block diagram, and processing unit 5 controls charge and discharge the systolic pressure that 2 pressurizations of the 1 pair of cuff in gas unit surpass the measured, interruption artery blood flow;
Venting decompression then detects Ke Shi sound and pulse wave signal automatically in decompression process, read pressure signal simultaneously, and the current pressure value is shown on display unit 9;
Processing unit 5 is when judging that measurement finishes, and control charges and discharge gas unit 1 and exits fast, and shows measurement result on display unit 9.
Fig. 2 is the detailed pie graph of system, wherein charges and discharge gas unit 1 and comprises inflator pump, electromagnetic valve, steam leak-off valve at a slow speed; Inflator pump is used for automatic inflation; Electromagnetic valve is used for quick venting; Leak gas at a slow speed when steam leak-off valve is used to measure at a slow speed;
Wherein pressure detection circuit 4 comprises three amplifier instrument amplifying circuits, low-pass filter circuit, bandwidth-limited circuit, pulse amplifying circuit;
Pressure transducer obtains the cuff pressure signal, is transferred to three amplifier instrument amplifying circuits, and one road signal obtains pressure signal by low-pass filter circuit and is transferred to processing unit then; Another road signal obtains pulse wave signal by bandwidth-limited circuit and pulse amplifying circuit, is transferred to processing unit;
The Ke Shi tone detection circuit comprises amplifying circuit, bandwidth-limited circuit;
Korotkoff sound sensor obtains the Ke Shi tone signal, and is transferred to amplifying circuit, through the 20Hz high-pass filtering circuit, and then through the 200Hz low-pass filter circuit, is transferred to processing unit;
Fig. 3 is an oscillographic method pressure pulse variation diagram, and it is reference point Vmax that processing unit is got pulse wave amplitude maximum place, finds the point in KS=V/Vmax=(0.4-0.85) scope forward, looks for the force value of the maximum some correspondence of wherein pulse wave variation to obtain systolic pressure SBP;
It is reference point Vmax that processing unit is got pulse wave amplitude maximum place, finds the point in KD=V/Vmax=(0.8-0.4) scope backward, looks for the force value of the maximum some correspondence of wherein pulse wave variation to obtain diastolic pressure DBP.
Fig. 4 is a Ke Shi sound intensity map, and processing unit judges that according to the threshold values of setting first force value greater than the Ke Shi tone signal place correspondence of setting threshold values is thought systolic pressure SYS2, and last effective Ke Shi tone signal place corresponding pressure value is diastolic pressure DIA2.
The bimodulus blood pressure is differentiated figure during Fig. 5, chooses the KS=0.4-0.85 scope, and the point of oscillographic method differentiation pulse wave saltus step maximum obtains oscillographic method measured value SYS1, DIA1 in the KD=0.8-0.4 scope;
Choose the KS=0.4-0.85 scope, the interior Ke Shi sound of KD=0.8-0.4 scope is differentiated eligible point and is obtained Ke Shi sound measured value SYS2, DIA2;
Comprehensive oscillographic method measured value and Ke Shi sound side value obtain measurement result SYS, DIA according to certain fuzzy logic and decision rule.
Though the present invention is with preferred embodiment openly as above, they are not to be used for limiting the present invention, anyly have the knack of this skill person, without departing from the spirit and scope of the invention, and certainly when can doing various variations or retouching, but equally within protection scope of the present invention.What therefore protection scope of the present invention should be defined with the application's claim protection domain is as the criterion.
Claims (5)
1. method that adopts the bimodulus electric sphygmomanometer to measure blood pressure, realize by following steps:
Survey the Ke Shi sound and flow to the Ke Shi tone detection circuit with korotkoff sound sensor brachial artery place above the human body crook of the arm by cable;
The Ke Shi tone detection circuit will amplify, filtered Ke Shi tone signal is transferred to processing unit; Processing unit writes down, handles, judges the Ke Shi sound, sends the light-emitting flash demonstration synchronous with measured Ke Shi sound by diagnosis medical requirement control luminescence unit; Flicker was glimmered when the Ke Shi sound " is changed voice " for the last time for the first time when the Ke Shi sound occurred;
The gauger reads with reference to systolic pressure from display unit when seeing that luminescence unit has rhythm and pace of moving things flicker for the first time, glimmers to read with reference to diastolic pressure when last.
2. employing bimodulus electric sphygmomanometer according to claim 1 is measured the method for blood pressure, and it is characterized in that: described korotkoff sound sensor is made by piezoquartz, and this crystal is the sound wave sensitivity of 30-100Hz to frequency.
3. employing bimodulus electric sphygmomanometer according to claim 1 is measured the method for blood pressure, it is characterized in that: described processing unit is by built-in A/D convertor circuit, software recognizes first when setting the signal of threshold values, confirms first Ke Shi sound, to determine with reference to systolic pressure; Processing is read with software mode and is remembered Ke Shi sound second peak intensity, and when intensity decreases to second peak intensity 1/4 the time confirm that the Ke Shi sound finishes, to determine with reference to diastolic pressure.
4. measure the method for blood pressure according to the arbitrary described employing bimodulus electric sphygmomanometer of claim 1 to 3, it is characterized in that: pressure transducer is gathered pressure signal; Pressure detection circuit is transferred to processing unit after with the pressure signal amplification filtering; Processing unit is transferred to display unit with pressure signal and shows; Processing unit is discerned corresponding pulse wave signal, and on display unit with the synchronous display reminding information of pulse wave.
5. employing bimodulus electric sphygmomanometer according to claim 4 is measured the method for blood pressure, and processing unit is handled Ke Shi tone signal and pressure, pulse wave signal simultaneously, and processing unit adopts oscillographic method and electronics Ke Shi sound method to carry out blood pressure measurement simultaneously; Processing unit is determined the approximate range of systolic pressure and diastolic pressure according to software set oscillographic method coefficient, calculates the exact value of determining systolic pressure and diastolic pressure in conjunction with the Ke Shi tone signal of gathering then.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102415881A (en) * | 2011-09-27 | 2012-04-18 | 江苏鱼跃信息系统有限公司 | Blood pressure measuring method capable of adaptively controlling pulse strength |
| CN104414628A (en) * | 2013-08-22 | 2015-03-18 | 罗万前 | Multi-purpose hematomanometer |
| CN104684467A (en) * | 2012-09-28 | 2015-06-03 | 欧姆龙健康医疗事业株式会社 | Blood pressure measurement device, blood pressure measurement method, blood pressure measurement program |
| CN105228516A (en) * | 2013-02-08 | 2016-01-06 | 上升医学股份有限公司 | Comprise the blood pressure measuring system of anti-kinking housing |
| WO2016029546A1 (en) * | 2014-08-29 | 2016-03-03 | 周嘉璐 | Blood pressure measuring auxiliary device, blood pressure measuring device, and design method therefor |
| CN107692993A (en) * | 2017-11-08 | 2018-02-16 | 深圳市玉成创新科技有限公司 | A kind of blood pressure instrument |
| CN108309270A (en) * | 2018-01-27 | 2018-07-24 | 上海振道科技有限公司 | A kind of intelligent clothing of blood pressure test |
| CN110013233A (en) * | 2019-04-04 | 2019-07-16 | 博脉有限公司 | Pulse condition analyser and its control method |
| CN113545762A (en) * | 2020-04-23 | 2021-10-26 | 疆域康健创新医疗科技成都有限公司 | Blood pressure measuring method and blood pressure measuring device |
| CN114668376A (en) * | 2021-08-20 | 2022-06-28 | 北京福乐云数据科技有限公司 | Arm-wearing artificial intelligence sphygmomanometer |
| WO2023221675A1 (en) * | 2022-05-19 | 2023-11-23 | 赵圣刚 | Compressor |
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| CN101810475A (en) * | 2010-04-27 | 2010-08-25 | 哈尔滨工业大学 | Electronic auscultation sphygmomanometer based on combination of Korotkoff sound method and oscillometric method |
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| CN2376863Y (en) * | 1997-11-28 | 2000-05-10 | 上海上达医用仪表厂 | Warning device for measuring Korotkoff's sounds of blood pressure |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102415881B (en) * | 2011-09-27 | 2015-02-04 | 江苏鱼跃信息系统有限公司 | Blood pressure measuring method capable of adaptively controlling pulse strength |
| CN102415881A (en) * | 2011-09-27 | 2012-04-18 | 江苏鱼跃信息系统有限公司 | Blood pressure measuring method capable of adaptively controlling pulse strength |
| CN104684467A (en) * | 2012-09-28 | 2015-06-03 | 欧姆龙健康医疗事业株式会社 | Blood pressure measurement device, blood pressure measurement method, blood pressure measurement program |
| US11317819B2 (en) | 2013-02-08 | 2022-05-03 | Philips Medizin Systeme Böblingen Gmbh | Blood pressure measuring system comprising a kinking-proof shell |
| CN105228516A (en) * | 2013-02-08 | 2016-01-06 | 上升医学股份有限公司 | Comprise the blood pressure measuring system of anti-kinking housing |
| CN105228516B (en) * | 2013-02-08 | 2020-01-03 | 飞利浦医药系统伯布林根有限公司 | Blood pressure measuring system comprising a kinking-proof shell |
| CN104414628A (en) * | 2013-08-22 | 2015-03-18 | 罗万前 | Multi-purpose hematomanometer |
| WO2016029546A1 (en) * | 2014-08-29 | 2016-03-03 | 周嘉璐 | Blood pressure measuring auxiliary device, blood pressure measuring device, and design method therefor |
| CN107692993B (en) * | 2017-11-08 | 2021-01-19 | 深圳市玉成创新科技有限公司 | Blood pressure instrument |
| CN107692993A (en) * | 2017-11-08 | 2018-02-16 | 深圳市玉成创新科技有限公司 | A kind of blood pressure instrument |
| CN108309270A (en) * | 2018-01-27 | 2018-07-24 | 上海振道科技有限公司 | A kind of intelligent clothing of blood pressure test |
| CN110013233A (en) * | 2019-04-04 | 2019-07-16 | 博脉有限公司 | Pulse condition analyser and its control method |
| CN113545762A (en) * | 2020-04-23 | 2021-10-26 | 疆域康健创新医疗科技成都有限公司 | Blood pressure measuring method and blood pressure measuring device |
| CN113545762B (en) * | 2020-04-23 | 2023-12-19 | 疆域康健创新医疗科技成都有限公司 | Blood pressure measuring method and blood pressure measuring device |
| CN114668376A (en) * | 2021-08-20 | 2022-06-28 | 北京福乐云数据科技有限公司 | Arm-wearing artificial intelligence sphygmomanometer |
| CN114668376B (en) * | 2021-08-20 | 2024-03-26 | 北京福乐云科技有限公司 | Arm-worn artificial intelligence sphygmomanometer |
| WO2023221675A1 (en) * | 2022-05-19 | 2023-11-23 | 赵圣刚 | Compressor |
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Application publication date: 20110413 Assignee: NANJING YUWELL SOFTWARE TECHNOLOGY CO., LTD. Assignor: Jiangsu Yuyue Medical Equipment Inc. Contract record no.: X2019320000022 Denomination of invention: Method for measuring blood pressure by double-mode electronic sphygmomanometer Granted publication date: 20140611 License type: Exclusive License Record date: 20190812 |