CN102106725A - Traditional Chinese medical pulse condition sensor merging photoelectricity and pressure - Google Patents
Traditional Chinese medical pulse condition sensor merging photoelectricity and pressure Download PDFInfo
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- CN102106725A CN102106725A CN 201110049271 CN201110049271A CN102106725A CN 102106725 A CN102106725 A CN 102106725A CN 201110049271 CN201110049271 CN 201110049271 CN 201110049271 A CN201110049271 A CN 201110049271A CN 102106725 A CN102106725 A CN 102106725A
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- 230000005622 photoelectricity Effects 0.000 title claims abstract description 14
- 239000003814 drug Substances 0.000 claims description 13
- 238000005538 encapsulation Methods 0.000 claims description 7
- 210000002321 radial artery Anatomy 0.000 abstract description 16
- 230000017531 blood circulation Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 5
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000002405 diagnostic procedure Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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Abstract
The invention provides a traditional Chinese medical pulse condition sensor which merges photoelectricity and pressure and can acquire the strength, trend, shape, width, blood flow change and pulse wave parameters of a pulse condition from a radial artery. The pulse condition sensor consists of a shielding shell for encapsulating a photoelectric device, an elastic beam, a pressure strain gage and a sensor shell, wherein the shielding shell for encapsulating the photoelectric device is connected with the elastic beam; the elastic beam is respectively connected with the pressure strain gage and the sensor shell; a photoelectric sensor array with an infrared transmitting tube array and an infrared receiving tube array is arranged in the shielding shell; and a baffle is arranged between the infrared transmitting tube array and the infrared receiving tube array. The pulse condition sensor acquires pulse condition data in a non-invasive mode, reflects the blood flow change, is convenient to position and improved in description capacity and detection efficiency, and has small volume and high integrated level.
Description
(1) technical field
The present invention relates to photoelectric technology, is exactly the Chinese medicine pulse pick off that a kind of photoelectricity and pressure merge specifically.
(2) background technology
Pulse-taking is one of traditional Chinese medical science four diagnostic methods, occupies important status in the traditional Chinese medical science four diagnostic methods.To be the Chinese physician press patient's the area on the wrist over the radial artery where the pulse is felt for diagnosis radial artery place with finger to the common way of pulse wave spectrum, by finger apply floating, in, different pressure such as heavy experiences the variation of patient's pulse wave.Corresponding to floating, in, heavy equal pressure and the pulse wave of the information such as a series of position that comprises pulse, power, trend, shape, width and the rhythm and pace of moving things that produce, we are referred to as pulse condition.By pulse condition information, the traditional Chinese medical science just can be understood patient's physiological status.But for a long time, theory of Chinese medical science all is the method that adopts the natural phenomena metaphor for the description of these pulse conditions, yet there is very big subjectivity in this describing method, has caused the notion of pulse condition very general, fuzzy, make the process of diagnosis be difficult to reproduce, and be difficult to study and grasp.In order to solve the shortcoming of traditional pulse wave spectrum, for many years, many research workers have made unremitting effort aspect the objectifying of pulse-taking.The key that objectifies of pulse wave spectrum is obtaining of high-quality pulse signal.Along with the continuous progress of sensor technology, designed increasing pulse image sensor, existing Chinese medicine pulse instrument or the main adopts pressure sensor of pulse-tracing collection pick off.By the comparative study of existing pulse image sensor having been found some very crucial problems of needing solution badly: when the first, detecting the pulse condition of radial artery with pulse image sensor, the single-point type pick off is difficult to determine the center of radial artery, cause not necessarily point of maximum intensity of the pulse signal that at every turn collects, pulse profile data deficient in stability and comparability.Though second, pressure transducer can be simulated the sense of touch that Chinese physician finger is felt the pulse, can only get access to the information of skin surface vibrations, cause the information obtained comprehensive inadequately.Three, also have a lot of employing photoelectric sensors to obtain pulse condition now, photoelectric sensor has higher resolution, and is highly sensitive, but because photoelectric sensor can not obtain " taking pulse lightly, moderately and heavily " and the information such as " deficiency and excesss " of pulse condition, also has significant limitation.
(3) summary of the invention
The object of the present invention is to provide a kind of can the variation from the intensity, trend, shape, width, blood flow that radial artery obtains pulse condition and the Chinese medicine pulse pick off of the photoelectricity of pulse wave parameter and pressure fusion.
The object of the present invention is achieved like this: it is made up of shielding case, spring beam, pressure-strain sheet and the sensor outer housing of encapsulation photoelectric device, the shielding case of encapsulation photoelectric device connects spring beam, spring beam connects pressure-strain sheet and sensor outer housing respectively, the photoelectric sensing array that comprises infrared transmitting tube array and infrared receiving tube array is set in shielding case, and the centre of infrared transmitting tube array and infrared receiving tube array is provided with dividing plate (7).Described infrared receiving tube array (6), the pulsewidth that is used for locating the center of pulse and detects theory of Chinese medical science.Described pressure-strain sheet (3) can disposablely obtain the contact pressure value of pressure pulse signal and pick off and radial artery, can obtain the pulse profile data abundanter than single photoelectric sensor.
The Chinese medicine pulse pick off that a kind of photoelectricity of the present invention and pressure merge obtains pulse profile data in AT mode, and it has following characteristics: reflected the blood flow variation 1..The present invention utilizes reflective infrared electro sensing element to obtain pulse condition information, because the infrared light that infrared transmitting tube sends can arrive blood vessel by transdermal, by the variation of blood flow in the ability sensing blood vessel of infrared light transdermal, thereby obtain abundant more pulse condition information.2. convenient location.The present invention adopts the mode of infrared sensing array to obtain pulse condition, has increased the sensing area, can obtain pulse width information, and can judge whether pick off is positioned at the center of radial artery by each unitary signal power in the array.3. improved the descriptive power of pick off.Be used to carry out complementation from the information of photoelectricity and pressure sensitive unit, can describe pulse condition more comprehensively, exactly, the uncertainty when reducing identification improves the correctness described and comprehensive, has avoided the limitation of single-sensor.4. improved the detection efficiency of pick off.Because the structure distribution and the information gathering of photoelectric sensing unit and pressure sensitive unit walk abreast, this compares with the serial structure of using each separated sensor, has improved detection speed significantly.5. volume is little, the integrated level height.Pick off contact radial artery partly has only the shielding case of photoelectric sensing array, and size is similar with people's finger tip, is convenient to a plurality of sensor groups are used altogether.
(4) description of drawings
Fig. 1 is an overall construction drawing of the present invention;
Fig. 2 is the planar structure sketch map of photoelectric sensing array of the present invention;
Fig. 3 is the cross-sectional structure sketch map of photoelectric sensing array of the present invention;
Fig. 4 is the principle schematic of photoelectric sensing array detection pulse condition of the present invention;
Fig. 5 is the circuit diagram of pressure-strain sheet of the present invention.
(5) specific embodiment
The invention will be further described for example below in conjunction with accompanying drawing.
Embodiment 1: in conjunction with Fig. 1, Fig. 2, the Chinese medicine pulse pick off that a kind of photoelectricity of the present invention and pressure merge, it is the shielding case (1) by the encapsulation photoelectric device, spring beam (2), pressure-strain sheet (3) and sensor outer housing (4) are formed, the shielding case (1) of encapsulation photoelectric device connects spring beam (2), spring beam (2) connects pressure-strain sheet (3) and sensor outer housing (4) respectively, the photoelectric sensing array that comprises infrared transmitting tube array (5) and infrared receiving tube array (6) is set in shielding case (1), and the centre of infrared transmitting tube array (5) and infrared receiving tube array (6) is provided with dividing plate (7).Described infrared receiving tube array (6), the pulsewidth that is used for locating the center of pulse and detects theory of Chinese medical science.Described pressure-strain sheet (3) can disposablely obtain the contact pressure value of pressure pulse signal and pick off and radial artery, can obtain the pulse profile data abundanter than single photoelectric sensor.
Embodiment 2: in conjunction with Fig. 1-Fig. 5, the Chinese medicine pulse pick off that a kind of photoelectricity of the present invention and pressure merge is a compound Chinese medicine pulse pick off that merges photoelectricity and pressure, is divided into the two large divisions: photoelectric sensing unit and pressure sensitive unit.As shown in Figure 1, the present invention is made up of shielding case (1), spring beam (2), pressure-strain sheet (3), sensor outer housing (4), infrared transmitting tube array (5) and infrared receiving tube array (6).Photoelectric transducer element is by the string infrared transmitting tube, string infrared receiving tube and a shielding case are formed, as shown in Figure 2, the left side is 9 infrared transmitting tubes form a line (5), the right is 9 infrared receiving tubes form a line (6), infrared transmitting tube and receiving tube are fixed on the top of the shielding case (1) of three face seals, shielding case can separate infrared transmitting tube and receiving tube, prevent that the light that infrared transmitting tube sends from directly shining on the infrared receiving tube, but will could be received by infrared receiving tube by reflection.The inside of shielding case is rough, and painted black, reduces the reflection interference of infrared light on housing.The principle of photoelectric sensing unit detection pulse condition as shown in Figure 4, the present invention adopts the infrared transmitting tube and the receiving tube of specific band, the infrared light that infrared transmitting tube sends shines on the skin at radial artery place, a part infrared light by skin reflex to infrared receiving tube, the vibration signal that can reflect radial artery, part infrared light then transdermal arrives blood vessel, can reflect the blood flow situation of change.Because blood can absorb infrared ray well, when the blood flow of the radial artery of flowing through changes, the infrared light that reflexes on the infrared receiving tube also can change thereupon, and infrared receiving tube can convert this variation to the variation of electric current, finally pulse signal has been converted to the signal of telecommunication.
Pressure sensitive unit of the present invention is made up of a spring beam (2) and four pressure-strain sheets (3).As shown in Figure 5, four pressure-strain sheets are formed the Wheatstone bridge circuit, and the Wheatestone bridge is a circuit commonly used in the pressure transducer, the sensitivity that can improve the detected pressures signal.When this Chinese medicine pulse pick off is placed on the radial artery place, the vibrations of radial artery conduct to spring beam by the shell of photoelectric sensor, cause spring beam generation deformation, and drive the pressure-strain sheet generation deformation on the spring beam.The pressure-strain sheet is a kind of Sensitive Apparatus, small deformation takes place all can cause changes in resistance, and the changes in resistance amount is directly proportional with the deformation quantity of foil gauge, so add voltage at a, b end, when foil gauge generation deformation, the voltage of c, d end will change, and finally pulse signal has been converted to the signal of telecommunication.
The Chinese medicine pulse pick off that a kind of photoelectricity of the present invention and pressure merge can disposablely obtain two kinds of different pulse signals, by the photoelectric sensing array can easier location radial artery the center, can also detect the finger tip pulse signal simultaneously.Because the Chinese medicine pulse sensor bulk that photoelectricity and pressure merge is little---size and people's finger tip is similar, can with three independently photoelectricity and pressure fusion the Chinese medicine pulse sensor groups altogether, realization detects cun,guan,chi three road pulse signals simultaneously.
Claims (1)
1. the Chinese medicine pulse pick off that merges of photoelectricity and pressure, it is the shielding case (1) by the encapsulation photoelectric device, spring beam (2), pressure-strain sheet (3) and sensor outer housing (4) are formed, it is characterized in that: the shielding case (1) of encapsulation photoelectric device connects spring beam (2), spring beam (2) connects pressure-strain sheet (3) and sensor outer housing (4) respectively, the photoelectric sensing array that comprises infrared transmitting tube array (5) and infrared receiving tube array (6) is set in the shielding case (1) of encapsulation photoelectric device, and the centre of infrared transmitting tube array (5) and infrared receiving tube array (6) is provided with dividing plate (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110049271 CN102106725B (en) | 2011-03-02 | 2011-03-02 | Traditional Chinese medical pulse condition sensor merging photoelectricity and pressure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110049271 CN102106725B (en) | 2011-03-02 | 2011-03-02 | Traditional Chinese medical pulse condition sensor merging photoelectricity and pressure |
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| CN102106725A true CN102106725A (en) | 2011-06-29 |
| CN102106725B CN102106725B (en) | 2013-03-27 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512225A (en) * | 2011-12-31 | 2012-06-27 | 重庆邮电大学 | Device and method for intelligently controlling blood flow of femoral artery |
| CN102657522A (en) * | 2012-05-09 | 2012-09-12 | 西南大学 | Noncontact heartbeat measuring device |
| CN102772200A (en) * | 2012-08-06 | 2012-11-14 | 山东省科学院激光研究所 | Pulse-taking signal sensor probe and optical fiber pulse-taking information acquisition system |
| CN103712635A (en) * | 2013-12-30 | 2014-04-09 | 深圳市华信天线技术有限公司 | Optocoupler sensing device |
| CN104133366A (en) * | 2014-08-25 | 2014-11-05 | 宁波贝思转化医学研究中心有限公司 | Wrist watch device with intelligent health monitoring and alarming system and method thereof |
| CN104138252A (en) * | 2014-08-21 | 2014-11-12 | 上海百家益医疗器械有限公司 | APP-set bracelet type optical photon radial artery detection and treatment all-in-one device |
| CN104408845A (en) * | 2014-12-09 | 2015-03-11 | 杭州中瑞思创科技股份有限公司 | Infrared pair pipes |
| CN104799815A (en) * | 2015-03-26 | 2015-07-29 | 山东大学 | Image guidance based blood gas acquisition device and method |
| CN105796070A (en) * | 2015-01-21 | 2016-07-27 | 三星电子株式会社 | Apparatus for detecting biometric information of living body |
| CN105962910A (en) * | 2016-06-08 | 2016-09-28 | 深圳市中识创新科技有限公司 | Pulse condition collection method and device |
| CN106264491A (en) * | 2015-06-12 | 2017-01-04 | 罗锦兴 | Array sensor and pulse-taking instrument for pulse-taking |
| CN106413529A (en) * | 2014-05-30 | 2017-02-15 | 微软技术许可有限责任公司 | Optical pressure sensor |
| CN108378839A (en) * | 2018-02-08 | 2018-08-10 | 赵海荣 | A kind of novel Chinese medicine paediatrics is felt the pulse auxiliary device |
Families Citing this family (1)
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| TWI556794B (en) * | 2015-06-12 | 2016-11-11 | 羅錦興 | Array sensor module for pulse diagnosis and pulse diagnosis apparatus using such |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102512225A (en) * | 2011-12-31 | 2012-06-27 | 重庆邮电大学 | Device and method for intelligently controlling blood flow of femoral artery |
| CN102512225B (en) * | 2011-12-31 | 2013-05-15 | 重庆邮电大学 | Device and method for intelligently controlling blood flow of femoral artery |
| CN102657522A (en) * | 2012-05-09 | 2012-09-12 | 西南大学 | Noncontact heartbeat measuring device |
| CN102657522B (en) * | 2012-05-09 | 2013-10-02 | 西南大学 | Noncontact heartbeat measuring device |
| CN102772200A (en) * | 2012-08-06 | 2012-11-14 | 山东省科学院激光研究所 | Pulse-taking signal sensor probe and optical fiber pulse-taking information acquisition system |
| CN102772200B (en) * | 2012-08-06 | 2013-12-18 | 山东省科学院激光研究所 | Pulse-taking signal sensor probe and optical fiber pulse-taking information acquisition system |
| CN103712635A (en) * | 2013-12-30 | 2014-04-09 | 深圳市华信天线技术有限公司 | Optocoupler sensing device |
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| CN106413529B (en) * | 2014-05-30 | 2019-12-27 | 微软技术许可有限责任公司 | Optical pressure sensor |
| CN106413529A (en) * | 2014-05-30 | 2017-02-15 | 微软技术许可有限责任公司 | Optical pressure sensor |
| CN104138252A (en) * | 2014-08-21 | 2014-11-12 | 上海百家益医疗器械有限公司 | APP-set bracelet type optical photon radial artery detection and treatment all-in-one device |
| CN104133366A (en) * | 2014-08-25 | 2014-11-05 | 宁波贝思转化医学研究中心有限公司 | Wrist watch device with intelligent health monitoring and alarming system and method thereof |
| CN104408845A (en) * | 2014-12-09 | 2015-03-11 | 杭州中瑞思创科技股份有限公司 | Infrared pair pipes |
| CN105796070A (en) * | 2015-01-21 | 2016-07-27 | 三星电子株式会社 | Apparatus for detecting biometric information of living body |
| CN105796070B (en) * | 2015-01-21 | 2020-10-20 | 三星电子株式会社 | Apparatus for detecting biometric information of living body |
| US10694997B2 (en) | 2015-01-21 | 2020-06-30 | Samsung Electronics Co., Ltd. | Apparatus for detecting biometric information of living body |
| CN104799815A (en) * | 2015-03-26 | 2015-07-29 | 山东大学 | Image guidance based blood gas acquisition device and method |
| CN106264491A (en) * | 2015-06-12 | 2017-01-04 | 罗锦兴 | Array sensor and pulse-taking instrument for pulse-taking |
| CN106264491B (en) * | 2015-06-12 | 2021-11-09 | 罗锦兴 | Array sensing module for pulse diagnosis and pulse diagnosis instrument |
| CN105962910A (en) * | 2016-06-08 | 2016-09-28 | 深圳市中识创新科技有限公司 | Pulse condition collection method and device |
| CN108378839A (en) * | 2018-02-08 | 2018-08-10 | 赵海荣 | A kind of novel Chinese medicine paediatrics is felt the pulse auxiliary device |
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Inventor after: Zhang Dapeng Inventor after: Wang Dimin Inventor after: Lu Guangming Inventor after: Shen Bo Inventor before: Zhang Dapeng Inventor before: Shen Bo Inventor before: Lu Guangming |
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Granted publication date: 20130327 |