CN101152079A - Electronic sphygmomanometer for medical purpose - Google Patents
Electronic sphygmomanometer for medical purpose Download PDFInfo
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- CN101152079A CN101152079A CNA2006101225012A CN200610122501A CN101152079A CN 101152079 A CN101152079 A CN 101152079A CN A2006101225012 A CNA2006101225012 A CN A2006101225012A CN 200610122501 A CN200610122501 A CN 200610122501A CN 101152079 A CN101152079 A CN 101152079A
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Abstract
A medical electronic sphygmomanometer using an electronic circuit to examine pressure and pulse sound, measures a blood pressure on the basis of a Korotkoff sound theory. The electronic sphygmomanometer solves the problems of the existing Korotkoff sound method that must use mercury for measuring blood pressure. The operational principle can be seen in the attached drawing. The attached drawing: 1: a single chip system board; 2: a liquid crystal display device; 3: a pulse sound sensor; 4: a pressure sensor; 5: a cuff air charging device; 6: a manual air charging ball; 7: a keypad matrix; 8: an air charging motor unit; 9: a standard medical stethoscope. The pressure sensor (4) is for sensing the pressure in the cuff air charging device (5); the pulse sound sensor is for sensing the pulse sound; the single chip system board (1) receives sensor data and displays results through the liquid crystal display device. The manual air charging ball (6) or the air charging motor unit (8) can be used for charging air to the cuff air charging device (5). The blood pressure can be measured according to the Korotkoff sound method. The standard medical stethoscope (9) can replace the pulse sound sensor (3), and the blood pressure can be measured by human.
Description
Affiliated technical field
The present invention relates to a kind of electronic installation of medical noinvasive in-vitro measurements blood pressure, is a kind of electric sphygmomanometer that can accurately measure measurand systolic pressure and diastolic pressure according to Ke Shi sound principle.
Background technology
At present, the sphygomanometer of clinical measurement blood pressure commonly used mainly is a mercury sphygmomanometer.Mercury sphygmomanometer is measured blood pressure according to Ke Shi sound principle.When measuring, the gauger utilizes stethoscope to cooperate the sound of beating of listening to pulse, and judges the blood pressure of measurand with this.Specific practice is: the gauger inflates cuff earlier, increases the air pressure in the cuff, causes the pulse tone complete obiteration until cuff compressing blood vessel.Slowly cuff is exitted then, the cuff mercury absolute pressure during first beat pulse sound of hearing in the process of venting is the systolic pressure of measurand, and the cuff mercury absolute pressure during last beat pulse sound of hearing is the diastolic pressure of measurand.This measuring method is the method for measuring blood pressure the most accurately that present medical circle is generally acknowledged.But because hydrargyrum is deleterious heavy metal, thus in process of production with use in, " the hydrargyrum metal " in the mercury sphygmomanometer is conspicuous to the harm of personnel and environment.
The electronic blood pressure that exists is in respect of a variety of at present, and generally the principle of its foundation is the principle that oscillographic method is measured blood pressure, and the blood pressure end value of its measurement can only be as the reference value, at present also not by the foundation of medical expert as clinical diagnosis.
Summary of the invention
In order to overcome " mercury pollution " that traditional mercury sphygmomanometer brings and the electric sphygmomanometer measurement result value can not be as the deficiency of clinical diagnosis according to this two aspect at present, the invention provides a kind of based on electronic technology and computer technology and adopt a kind of electronic sphygmomanometer for medical purpose with tradition " mercury sphygmomanometer " identical measuring principle simultaneously.This electronic sphygmomanometer for medical purpose provided by the invention (hereinafter to be referred as " the present invention ") has replaced traditional " hydrargyrum " owing to adopt the electron pressure measuring technique, has solved the problem of " mercury pollution "; Simultaneously owing to adopt and the identical Ke Shi sound of traditional sphygomanometer method measuring principle, through behind the measurement and calibration, its measurement result can be used as the foundation of clinical diagnosis fully, has overcome the deficiency of " adopt the electric sphygmomanometer measurement result of oscillographic method principle can not be as clinical medical foundation ".
The present invention solves the technical scheme that its technical problem takes: adopt and traditional mercury sphygmomanometer roughly the same inflation cuff mutually, cuff is tied to the measurand right upper arm, the sitting posture that the measurand employing is traditional, right arm keep flat naturally ancon roughly with heart level.Cuff is inflated, simultaneously cuff is connected with pressure transducer, pressure transducer is connected with microcontroller system and detected pressure signal is transferred to one-chip computer, simultaneously the detected pulse tone signal of pulse sound sensor is transferred to one-chip computer.When cuff is inflated to enough pressure pulse wave is beated after the sound complete obiteration, slowly cuff is exitted.The cuff pressure of correspondence is looked and is done " systolic pressure " and be shown on the liquid crystal display screen by one-chip computer when first beat pulse sound occurring in deflation course; The cuff pressure of correspondence was looked and is done " diastolic pressure " and be shown on the liquid crystal display screen by one-chip computer equally when last beat pulse sound disappeared.For special circumstances such as child, gravid woman, serious anemia, aortic incompetence or Ke Shi sound do not disappear, then pulse tone can be amplified, the cuff pressure of correspondence during phase (changing voice) during according to Ke Shi sound IV by the tester is judged measured's diastolic pressure.
The invention has the beneficial effects as follows that strict Ke Shi sound principle according to clinical approval is carried out blood pressure measurement, can measure the blood pressure of measurand exactly and, very strong practicality be arranged as the foundation of clinical diagnosis; Adopt one-chip computer control technology and pulse tone recognition technology, had certain technical advance; Solved the deficiency of " mercury pollution " of traditional mercury sphygmomanometer simultaneously, tangible environmental-protection function has been arranged.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is circuit theory diagrams of the present invention.
Fig. 2 is the unit architecture figure of first embodiment of the present invention.
Fig. 3 is the unit architecture figure of second embodiment of the present invention.
Among the figure, 1. Single Chip Microcomputer (SCM) system plate, 2. liquid crystal indicator, 3 pulse tone pick offs, 4 pressure transducers, 5 cuff aerating devices, 6 manual inflatable ball, 7 key-press matrixs, 8 inflation electric motor units, 9 standard stethoscopes.
The specific embodiment
In Fig. 1, Single Chip Microcomputer (SCM) system plate (1) is the control core of whole sphygomanometer, the blowing pressure in pressure transducer (4) the sensing cuff aerating device (5), the rattle of pulse tone pick off (3) sensing radial artery pulse, pressure transducer (4) and pulse tone pick off (3) are sent to Single Chip Microcomputer (SCM) system plate (1) with the parameter of sensing and are measured, and the result that Single Chip Microcomputer (SCM) system plate (1) will be measured shows by liquid crystal indicator (2).The working method that cuff aerating device (5) is inflated has two kinds, is respectively to utilize manual inflatable ball (6) or utilize inflation electric motor units (8) to finish.Single Chip Microcomputer (SCM) system plate (1) is directly accepted the key information of key-press matrix (7) input, and carries out corresponding action.The button of key-press matrix (7) comprises and begins to measure key, data system conversion key etc.After carrying out measurement preparation, begin to measure key and be pressed, earlier cuff aerating device (5) is inflated, up to the rattle complete obiteration of radial artery pulse, fill again about multiple pressure power 30mmHg.Speed with 2 ~ 6mmHg slowly discharges the interior gas of cuff aerating device (5) then.According to Ke Shi sound ratio juris, mutually pairing pressure is systolic pressure during the Ke Shi sound I of pulse tone pick off (3) sensing in deflation course, and corresponding pressure is diastolic pressure during with Ke Shi sound V.The core devices that pressure transducer (4) adopts is the device that gas pressure can be converted to the signal of telecommunication.The principle of the operation principle secundum legem stethoscope of pulse tone pick off (3) is amplified the back with the vibration of arterial pulse and is connected pick up, converts the acoustical signal of pick up to the signal of telecommunication.Can replace pulse tone pick off (3) with the stethoscope of standard,, manually read systolic pressure and diastolic pressure in conjunction with the force value that liquid crystal indicator (2) shows.Under the operator scheme of artificial reading and manually inflation, its operating process is identical with the operating process of using medical mercurial sphygmomanometer, and just pressure shows it is not to change liquid crystal display into hydrargyrum.
In embodiment illustrated in fig. 2, Single Chip Microcomputer (SCM) system plate (1) is connected with pressure transducer (4), liquid crystal indicator (2), key-press matrix (7).Manually inflatable ball (6) is connected with cuff aerating device (5).Standard stethoscope (9) is connected with cuff aerating device (5), places radial artery place under the cuff.In this embodiment, its operating process is identical with the operating process of using medical mercurial sphygmomanometer, and just pressure shows it is not to change liquid crystal display into hydrargyrum.
In the embodiment shown in fig. 3, Single Chip Microcomputer (SCM) system plate (1) is connected with pressure transducer (4), liquid crystal indicator (2), pulse tone pick off (3), key-press matrix (7).Inflation electric motor units (6) is connected with cuff aerating device (5).Pulse tone pick off (3) is connected with cuff aerating device (5), places radial artery place under the cuff.
Claims (2)
1. an electronic sphygmomanometer for medical purpose adopts electronic method to detect measurand cuff the blowing pressure and pulse tone respectively, judges the pressure value of measurand according to Ke Shi sound method principle.Its invention characteristics are: while gaging pressure and pulse tone, all realize with electronic circuit, and make the two strict corresponding on sequential, thereby can accurately measure systolic pressure and diastolic pressure according to Ke Shi sound method principle.
2. electronic sphygmomanometer for medical purpose according to claim 1 is characterized in that: adopt single-chip microcomputer control technology, accomplish automatic detection differentiation pressure and pulse tone, show systolic pressure and diastolic pressure automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101225012A CN101152079A (en) | 2006-09-29 | 2006-09-29 | Electronic sphygmomanometer for medical purpose |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101225012A CN101152079A (en) | 2006-09-29 | 2006-09-29 | Electronic sphygmomanometer for medical purpose |
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| CN101152079A true CN101152079A (en) | 2008-04-02 |
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| CNA2006101225012A Pending CN101152079A (en) | 2006-09-29 | 2006-09-29 | Electronic sphygmomanometer for medical purpose |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874730A (en) * | 2009-10-27 | 2010-11-03 | 普立思胜医疗技术（北京）有限公司 | Electronic sphygmomanometer and pressure display method thereof |
| CN102058403A (en) * | 2010-12-23 | 2011-05-18 | 江苏鱼跃医疗设备股份有限公司 | Large-dial blood pressure meter capable of changing scale or color of pointer |
| CN103300839A (en) * | 2009-10-27 | 2013-09-18 | 康尚医疗技术（丹阳）有限公司 | Pressure display method of electronic sphygmomanometer and electronic sphygmomanometer |
| CN105167764A (en) * | 2015-09-30 | 2015-12-23 | 佛山市顺德区依士文电子仪器有限公司 | Blood pressure measuring device and method |
| WO2016029546A1 (en) * | 2014-08-29 | 2016-03-03 | 周嘉璐 | Blood pressure measuring auxiliary device, blood pressure measuring device, and design method therefor |
| CN110037676A (en) * | 2019-05-30 | 2019-07-23 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | A kind of automatic press device of sphygmomanometer assistance type |
| CN110652291A (en) * | 2019-09-27 | 2020-01-07 | 王海荣 | Medical auscultatory sphygmomanometer |
| CN113331806A (en) * | 2021-05-20 | 2021-09-03 | 吉林大学 | Anemia patient uses blood pressure monitoring device |
-
2006
- 2006-09-29 CN CNA2006101225012A patent/CN101152079A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874730A (en) * | 2009-10-27 | 2010-11-03 | 普立思胜医疗技术（北京）有限公司 | Electronic sphygmomanometer and pressure display method thereof |
| CN101874730B (en) * | 2009-10-27 | 2013-08-14 | 康尚医疗技术（丹阳）有限公司 | Electronic sphygmomanometer |
| CN103300839A (en) * | 2009-10-27 | 2013-09-18 | 康尚医疗技术（丹阳）有限公司 | Pressure display method of electronic sphygmomanometer and electronic sphygmomanometer |
| CN103300839B (en) * | 2009-10-27 | 2015-02-04 | 康尚医疗技术（丹阳）有限公司 | Pressure display method of electronic sphygmomanometer and electronic sphygmomanometer |
| CN102058403A (en) * | 2010-12-23 | 2011-05-18 | 江苏鱼跃医疗设备股份有限公司 | Large-dial blood pressure meter capable of changing scale or color of pointer |
| WO2016029546A1 (en) * | 2014-08-29 | 2016-03-03 | 周嘉璐 | Blood pressure measuring auxiliary device, blood pressure measuring device, and design method therefor |
| CN105167764A (en) * | 2015-09-30 | 2015-12-23 | 佛山市顺德区依士文电子仪器有限公司 | Blood pressure measuring device and method |
| CN110037676A (en) * | 2019-05-30 | 2019-07-23 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | A kind of automatic press device of sphygmomanometer assistance type |
| CN110652291A (en) * | 2019-09-27 | 2020-01-07 | 王海荣 | Medical auscultatory sphygmomanometer |
| CN110652291B (en) * | 2019-09-27 | 2024-03-22 | 青岛大学附属医院 | Medical stethoscopic sphygmomanometer |
| CN113331806A (en) * | 2021-05-20 | 2021-09-03 | 吉林大学 | Anemia patient uses blood pressure monitoring device |
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