CN203506748U - System for recognizing and diagnosing rheumatic heart disease based on sound sensors - Google Patents
System for recognizing and diagnosing rheumatic heart disease based on sound sensors Download PDFInfo
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- CN203506748U CN203506748U CN201320539837.4U CN201320539837U CN203506748U CN 203506748 U CN203506748 U CN 203506748U CN 201320539837 U CN201320539837 U CN 201320539837U CN 203506748 U CN203506748 U CN 203506748U
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Abstract
The utility model discloses a system for recognizing and diagnosing the rheumatic heart disease based on sound sensors. The system comprises one or more sound sensors arranged on the surface of the chest outside the heart, a signal processing system and a terminal display device. The sound sensors are all connected with the signal processing system. The signal processing system is used for analyzing heart sound signals and locating the specific position of a sound source. The terminal display device is used for displaying received waveform data and sound source data. The system for recognizing and diagnosing the rheumatic heart disease based on the sound sensors has the advantages that the situation of cardiac murmur can be accurately auscultated, and the position of the sound source of the cardiac murmur can be accurately located and can be displayed on a displayer in real time.
Description
Technical field
This utility model 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 rheumatic fever activity, involves cardiac valve and the heart change that causes.Easily there is respiratory tract infection in Patients With Rheumatic Valvular Disease, shows as resistance and decline, and easily develops signs of a cold, and easily merges antibacterial and infect, and increase the weight of heart failure.Meanwhile, rheumatic heart disease patient can occur that labour's property is nervous, tachypnea, and health tolerance declines, and quality of life is obviously influenced.Therefore, diagnosticating rheumatic heart disease is very important exactly early.Analysis of PCG Signal is a kind of basic skills of assess cardiac function state.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 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 valve disorder position.
Utility model content
The purpose of this utility model is not high for the precision existing in existing procucts and method or cannot locates the defects such as lesion locations, and 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: the some sound transducers that comprise the surface, thoracic cavity being positioned over outside heart, described sound transducer is all connected with signal processing system, and described signal processing system is connected with monitor terminal equipment;
Described sound transducer is used 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 used 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 is also: 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 to be arranged in the surface, thoracic cavity outside 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 heart hum, thereby determine the cardiac valve position that pathological changes lost efficacy, this position will be shown on 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.
The utility model has the advantages that accurately auscultation goes out the situation of 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 utility model, can finely must cross hear sounds and carry out diagnosticating rheumatic heart disease.
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
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model:
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, between silicon substrate 101 and mass 104, by piezoelectric film 102, be connected, 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.
If 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.
If Fig. 4 is the principle schematic of whole system equipment, mainly by sound transducer 401, signal processing system and display, formed.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 amplify, then amplifying signal enters into wave filter 403, the noise that elimination is unnecessary, by analog-digital converter 404, carry out analog digital conversion again, obtain digital signal, this digital signal can be divided into two parts to be processed.Processing adopts a direct display packing, the digital waveform of sound transducer is directly presented on the screen of terminal display 406.Another kind of processing, signal is sent into sound localization computing module 405 to be calculated, with the accurate position that must obtain sending heart hum, this position will be shown on the screen of terminal display 406 with icon and digital form, and digital form refers to and adopts three-dimensional coordinate to indicate to sound source position.
This utility model has adopted one or more high-precision sound transducers to monitor, and diagnoses and whether has suffered from rheumatic heart disease and concrete lesion locations.Than traditional method and system equipment, this utility model can be judged cardiac murmur and noise position more accurately, thereby provides more scientific diagnosis basis for doctor.
Claims (3)
1. the system based on sound transducer identifying and diagnosing rheumatic heart disease, it is characterized in that: the some sound transducers that comprise the surface, thoracic cavity being positioned over outside heart, described sound transducer is all connected with signal processing system, and described signal processing system is connected with monitor terminal equipment;
Described sound transducer is used for gathering cardiechema signals;
Described signal processing system is for the treatment of intestinal acoustical signal, and localization of sound source;
Described monitor terminal equipment is used 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, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320539837.4U CN203506748U (en) | 2013-09-02 | 2013-09-02 | System for recognizing and diagnosing rheumatic heart disease based on sound sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320539837.4U CN203506748U (en) | 2013-09-02 | 2013-09-02 | System for recognizing and diagnosing rheumatic heart disease based on sound sensors |
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| CN203506748U true CN203506748U (en) | 2014-04-02 |
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| CN201320539837.4U Expired - Fee Related CN203506748U (en) | 2013-09-02 | 2013-09-02 | System for recognizing and diagnosing rheumatic heart disease based on sound sensors |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103479386A (en) * | 2013-09-02 | 2014-01-01 | 无锡慧思顿科技有限公司 | System for identifying and diagnosing rheumatic heart disease based on sound sensors and diagnostic method |
| 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 |
| US12029606B2 (en) | 2018-08-22 | 2024-07-09 | Sanolla Ltd. | Electronic stethoscope with enhanced features |
-
2013
- 2013-09-02 CN CN201320539837.4U patent/CN203506748U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103479386A (en) * | 2013-09-02 | 2014-01-01 | 无锡慧思顿科技有限公司 | System for identifying and diagnosing rheumatic heart disease based on sound sensors and diagnostic method |
| CN103479386B (en) * | 2013-09-02 | 2015-09-30 | 无锡慧思顿科技有限公司 | A kind of system based on sound transducer identifying and diagnosing rheumatic heart disease |
| 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 |
| USD865167S1 (en) | 2017-12-20 | 2019-10-29 | Bat Call D. Adler Ltd. | Digital stethoscope |
| US12029606B2 (en) | 2018-08-22 | 2024-07-09 | Sanolla Ltd. | Electronic stethoscope with enhanced features |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20150902 |
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| EXPY | Termination of patent right or utility model |