CN103479386A - System for identifying and diagnosing rheumatic heart disease based on sound sensors and diagnostic method - Google Patents
System for identifying and diagnosing rheumatic heart disease based on sound sensors and diagnostic method Download PDFInfo
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- CN103479386A CN103479386A CN201310392642.6A CN201310392642A CN103479386A CN 103479386 A CN103479386 A CN 103479386A CN 201310392642 A CN201310392642 A CN 201310392642A CN 103479386 A CN103479386 A CN 103479386A
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- sound transducer
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- 208000004124 rheumatic heart disease Diseases 0.000 title claims abstract description 21
- 238000002405 diagnostic procedure Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 14
- 210000000115 thoracic cavity Anatomy 0.000 claims abstract description 8
- 230000004807 localization Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 238000002555 auscultation Methods 0.000 abstract description 4
- 230000000747 cardiac effect Effects 0.000 abstract 2
- 208000035211 Heart Murmurs Diseases 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 231100000915 pathological change Toxicity 0.000 description 3
- 230000036285 pathological change Effects 0.000 description 3
- 208000025747 Rheumatic disease Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000003709 heart valve Anatomy 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 230000000552 rheumatic effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 1
- 206010057190 Respiratory tract infections Diseases 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003130 cardiopathic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 201000003068 rheumatic fever Diseases 0.000 description 1
- 208000008203 tachypnea Diseases 0.000 description 1
- 206010043089 tachypnoea Diseases 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses a system for identifying and diagnosing rheumatic heart disease based on sound sensors. The system comprises the plurality of sound sensors placed on the surface of a thoracic cavity outside a heart, and the sound sensors are all connected with a signal processing system which is connected with monitor terminal equipment. A method for identifying and diagnosing the rheumatic heart disease based on the sound sensors comprises the steps: placing the sound sensors on the surface of the thoracic cavity outside the heart, transmitting heart sounds detected by the sound sensors to the signal processing system, performing three-dimensional sound source positioning signal processing, and finally obtaining a position where cardiac souffle is made, wherein the position is shown on the screen of the monitor terminal equipment in icon and three-dimensional coordinate forms. The system and the method have the advantages that a cardiac souffle situation can be accurately obtained by auscultation, and the position of a souffle sound source can be exactly positioned and be displayed on a displayer in real time. By adopting the method and the equipment of the system, the rheumatic heart disease can be well diagnosed according to the heart sounds.
Description
Technical field
The present invention relates to a kind of system and diagnostic method based on sound transducer identifying and diagnosing rheumatic heart disease.
Background technology
Rheumatic heart disease refers to due to the rheumatic fever activity, involves cardiac valve and the heart change that causes.Respiratory tract infection easily appears in Patients With Rheumatic Valvular Disease, shows as resistance and descends, and easily develops signs of a cold, and easily merges antibacterial and infects, and increase the weight of heart failure.Simultaneously, rheumatic heart disease patient can occur that labour's property is nervous, tachypnea, and the health tolerance descends, and quality of life is obviously influenced.Therefore, early exactly diagnosticating rheumatic heart disease be very important.Analysis of PCG Signal is a kind of basic skills of assess cardiac function state.The hear sounds inspection has non-invasive, reproducible advantage.One of clinical manifestation that rheumatic heart disease is main is exactly that corresponding cardiac murmur appears in the valve area of pathological changes.Therefore the hear sounds diagnosis is the cardiopathic a kind of very effective and basic means of diagnosticating rheumatic.
At present clinical what the auscultation of cardiac murmur was mainly used is traditional stethoscope, the conduit of resonance plate, sound resonance chamber and conduction sound, consists of.This class stethoscope can not be identified faint cardiac murmur.Therefore accuracy is low.Certainly people have also developed the higher electronic stethoscope of degree of accuracy, and this class stethoscope is all often single, though can identify cardiac murmur, can not accurately judge the valve disorder position.
Summary of the invention
The objective of the invention is not high for the precision existed in existing procucts and method or can't locate the defects such as lesion locations, a kind of method and system equipment based on sound transducer identifying and diagnosing rheumatic heart disease is provided.The method and system equipment accurately auscultation go out cardiac murmur, and can locate exactly the position that produces noise, thus correct diagnosticating rheumatic heart disease.
This aspect for achieving the above object, adopts following technical scheme:
A kind of system based on sound transducer identifying and diagnosing rheumatic heart disease, it is characterized in that: comprise the some sound transducers that are positioned over the outer surface, thoracic cavity of heart, described sound transducer all is connected with signal processing system, and described signal processing system is connected with monitor terminal equipment;
Described sound transducer is for gathering cardiechema signals;
Described signal processing system is for the treatment of cardiechema signals, and localization of sound source;
Described monitor terminal equipment is for showing heart sound data and sound source position.
It is further characterized in that: described signal processing system comprises signal amplifier, wave filter, digital to analog converter and sound localization computing module;
The cardiechema signals that described signal amplifier gathers for amplifying each sound transducer;
Described wave filter is for filtering the noise of cardiechema signals;
Described digital to analog converter converts digital signal to for the Heart Sound Simulation signal that wave filter is filtered;
Described sound localization computing module is for localization of sound source.
Its further feature also is: described monitor terminal equipment can be on a screen timesharing or simultaneously show all waveform harmony source location information.
A kind of method based on sound transducer identifying and diagnosing rheumatic heart disease, the steps include: sound transducer is arranged in to the outer surface, thoracic cavity of human heart, the hear sounds that sound transducer detects passes to signal processing system and carries out three dimensional sound source location signal processing, finally acquire the position of sending the heart hum, thereby the ，Gai position, cardiac valve position of determining the pathological changes inefficacy will be shown on the monitor terminal device screen with icon and three-dimensional coordinate form.
Described sound transducer mostly is five most, while detecting hear sounds, at least can use simultaneously, also can only use wherein one or several.
Advantage of the present invention is the situation that accurately auscultation goes out cardiac murmur, and can locate accurately the position of noise sound source, to determine the valvular particular location of pathological changes, and can on display, show in real time.Utilize method and system equipment of the present invention, can finely must cross hear sounds and carry out diagnosticating rheumatic heart disease.
The accompanying drawing explanation
Fig. 1 sound transducer section front elevational schematic.
Fig. 2 sound transducer section schematic top plan view.
Many sound transducers of Fig. 3 schematic layout pattern.
Fig. 4 system equipment theory of constitution schematic diagram.
The specific embodiment
Further illustrate embodiments of the invention below in conjunction with accompanying drawing:
As facing and schematic top plan view that Fig. 1 and Fig. 2 are novel sound transducer.Comprise silicon substrate 101, after silicon substrate is corroded, reserve mass 104, be connected by piezoelectric film 102 between silicon substrate 101 and mass 104, supporting construction 105 is also connecting silicon substrate 101 and mass 104 together simultaneously.The structure plan of piezoelectric film 102 and thickness can adopt the method for analytical model method or finite element modeling to determine, to guarantee maximum sensitivity and enough intensity.The structure plan of supporting construction 105 and thickness also can adopt analytical model or finite element modeling method to determine, to guarantee the sensitivity of enough support strength and whole sensor.
As Fig. 3 is sound transducer composite module and placement location schematic diagram thereof.Sound transducer 301,302,303,304,305 are placed in respectively the surface, thoracic cavity of heart 306 outsides.Sound transducer 301 ~ 305 can be used simultaneously, also can only use wherein one or several, and concrete usage quantity and accurate putting position are determined according to concrete condition.
Principle schematic as Fig. 4 is whole system equipment, mainly be comprised of sound transducer 401, signal processing system and display.Signal processing system comprises signal amplifier 402, wave filter 403, analog-digital converter 404 and sound localization computing module 405.Sound transducer 401 at the thoracic cavity of heart outside acquisition surface after vibration signal, 402 pairs of signals of telecommunication that collect of signal amplifier are amplified, then amplifying signal enters into wave filter 403, the noise that elimination is unnecessary, carry out analog digital conversion by analog-digital converter 404 again, obtain digital signal, this digital signal can be divided into two parts to be processed.A kind of processing adopts direct display packing, the digital waveform of sound transducer directly is presented on the screen of terminal display 406.The another kind of processing, signal is sent into to sound localization computing module 405 to be calculated, will be with icon and digital form projection on the screen of terminal display 406 with the accurate ，Gai position, position that must obtain sending the heart hum, digital form refers to and adopts three-dimensional coordinate to indicate to sound source position.
The present invention has adopted one or more high-precision sound transducers to be monitored, and diagnoses and whether has suffered from rheumatic heart disease and concrete lesion locations.Than traditional method and system equipment, the present invention can judge cardiac murmur and noise position more accurately, thereby provides more scientific diagnosis basis for the doctor.
Claims (5)
1. the system based on sound transducer identifying and diagnosing rheumatic heart disease, it is characterized in that: comprise the some sound transducers that are positioned over the outer surface, thoracic cavity of heart, described sound transducer all is connected with signal processing system, and described signal processing system is connected with monitor terminal equipment;
Described sound transducer is for gathering cardiechema signals;
Described signal processing system is for the treatment of cardiechema signals, and localization of sound source;
Described monitor terminal equipment is for showing heart sound data and sound source position.
2. the system based on sound transducer identifying and diagnosing rheumatic heart disease according to claim 1, it is characterized in that: described signal processing system comprises signal amplifier, wave filter, digital to analog converter and sound localization computing module;
The cardiechema signals that described signal amplifier gathers for amplifying each sound transducer;
Described wave filter is for filtering the noise of cardiechema signals;
Described digital to analog converter converts digital signal to for the Heart Sound Simulation signal that wave filter is filtered;
Described sound localization computing module is for localization of sound source.
3. the system based on sound transducer identifying and diagnosing rheumatic heart disease according to claim 1 is characterized in that: described monitor terminal equipment can be on a screen timesharing or simultaneously show all waveform harmony source location information.
4. the method based on sound transducer identifying and diagnosing rheumatic heart disease, the steps include: sound transducer is arranged in the ad-hoc location on the outer surface, thoracic cavity of human heart, the hear sounds that sound transducer detects passes to signal processing system and carries out three dimensional sound source location signal processing, finally acquiring the ，Gai position, position of sending the heart hum will show on the monitor terminal device screen with icon and three-dimensional coordinate form.
5. the method based on sound transducer identifying and diagnosing rheumatic heart disease according to claim 4, it is characterized in that: described sound transducer is less than five, at least one work while detecting hear sounds.
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| CN201310392642.6A CN103479386B (en) | 2013-09-02 | 2013-09-02 | A kind of system based on sound transducer identifying and diagnosing rheumatic heart disease |
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| CN201310392642.6A CN103479386B (en) | 2013-09-02 | 2013-09-02 | A kind of system based on sound transducer identifying and diagnosing rheumatic heart disease |
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| CN103479386B CN103479386B (en) | 2015-09-30 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015106377A1 (en) * | 2014-01-14 | 2015-07-23 | 无锡慧思顿科技有限公司 | Device and method of operation thereof, used for aiding in psychological or physiological training |
| CN106108940A (en) * | 2016-08-31 | 2016-11-16 | 周辉 | A kind of household intelligent electronic stethoscope |
| CN109172047A (en) * | 2018-09-18 | 2019-01-11 | 上海工程技术大学 | Heart valve prosthesis function test system |
| USD865167S1 (en) | 2017-12-20 | 2019-10-29 | Bat Call D. Adler Ltd. | Digital stethoscope |
| US11000257B2 (en) | 2016-02-17 | 2021-05-11 | Sanolla Ltd. | Digital stethoscopes, and auscultation and imaging systems |
| US11116478B2 (en) | 2016-02-17 | 2021-09-14 | Sanolla Ltd. | Diagnosis of pathologies using infrasonic signatures |
| CN115644929A (en) * | 2022-10-12 | 2023-01-31 | 逸超医疗科技(北京)有限公司 | A Fetal Heart Orientation Detection System Applied in Ultrasound System |
| US12029606B2 (en) | 2017-09-05 | 2024-07-09 | Sanolla Ltd. | Electronic stethoscope with enhanced features |
| USD1042851S1 (en) | 2021-06-16 | 2024-09-17 | Sanolla Ltd. | Medical diagnostic device |
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| US20080273709A1 (en) * | 2006-04-27 | 2008-11-06 | Arvind Thiagarajan | Systems and methods for tuning, analysis and display of heart sounds |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015106377A1 (en) * | 2014-01-14 | 2015-07-23 | 无锡慧思顿科技有限公司 | Device and method of operation thereof, used for aiding in psychological or physiological training |
| US11000257B2 (en) | 2016-02-17 | 2021-05-11 | Sanolla Ltd. | Digital stethoscopes, and auscultation and imaging systems |
| US11116478B2 (en) | 2016-02-17 | 2021-09-14 | Sanolla Ltd. | Diagnosis of pathologies using infrasonic signatures |
| CN106108940A (en) * | 2016-08-31 | 2016-11-16 | 周辉 | A kind of household intelligent electronic stethoscope |
| US12029606B2 (en) | 2017-09-05 | 2024-07-09 | Sanolla Ltd. | Electronic stethoscope with enhanced features |
| USD865167S1 (en) | 2017-12-20 | 2019-10-29 | Bat Call D. Adler Ltd. | Digital stethoscope |
| CN109172047A (en) * | 2018-09-18 | 2019-01-11 | 上海工程技术大学 | Heart valve prosthesis function test system |
| CN109172047B (en) * | 2018-09-18 | 2023-09-15 | 上海工程技术大学 | Prosthetic heart valve function test system |
| USD1042851S1 (en) | 2021-06-16 | 2024-09-17 | Sanolla Ltd. | Medical diagnostic device |
| CN115644929A (en) * | 2022-10-12 | 2023-01-31 | 逸超医疗科技(北京)有限公司 | A Fetal Heart Orientation Detection System Applied in Ultrasound System |
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|---|---|
| CN103479386B (en) | 2015-09-30 |
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Effective date of registration: 20151021 Address after: 430075, No. 999, hi tech Road, East Lake hi tech Zone, Hubei, Wuhan Province, No. 14, building A, overseas talent building, future science and Technology City Patentee after: Wuhan FineMEMS Inc. Address before: 214135, Wuxi New District, Taihu Jiangsu international science and Technology Park, sensor network, University Science and Technology Park, building 530, C903 Patentee before: Wuxi Hui Sidun Science and Technology Ltd. Patentee before: Wuhan FineMEMS Inc. |