CN103417241A - Automatic analyzer of lung sounds - Google Patents
Automatic analyzer of lung sounds Download PDFInfo
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- CN103417241A CN103417241A CN2012101526195A CN201210152619A CN103417241A CN 103417241 A CN103417241 A CN 103417241A CN 2012101526195 A CN2012101526195 A CN 2012101526195A CN 201210152619 A CN201210152619 A CN 201210152619A CN 103417241 A CN103417241 A CN 103417241A
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- lungs sound
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- lung sounds
- signal amplifier
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Abstract
An automatic analyzer of lung sounds comprises an analyzer master, three lung sound probes provided with acoustic-electric sensors and a wireless electronic stethoscope. The automatic analyzer of lung sounds is characterized in that the analyzer master comprises a computer used for diagnosing and a signal amplifier; the signal amplifier is connected to a corresponding interface of the computer master through a wire; the three lung sound probes are connected to the signal output terminal of the signal amplifier; the wireless electronic stethoscope is connected to a corresponding interface of the computer master through wireless transmission. All respiratory diseases are subject to collection of the lung sounds, multi-area simultaneous collection of the lung sounds and automatic analysis are significant to detection of pathological attached lung sounds, and accordingly great assistance is provided for diagnosis and treatment of a patient. By the aid of the automatic analyzer, a clinically available lung sound feature analyzing manner is established actually and is applied in clinical diagnosis and treatment of diseases such as pediatric pneumonia, an objective diagnosing manner is added for the diseases, and important application prospect is provided for health and medicine of children.
Description
Technical field
The present invention relates to medical Instrument field, specifically for the diagnosis of the disease relevant to the lungs sound auscultation.
Background technology
Lungs sound has very important significance for the diagnosis of respiratory system disease especially infantile pneumonia etc., clinically the processing of lungs sound generally still is in to the stage that judges by rule of thumb type.Carry out multi-region collection and intelligent decision to clinical significant for patient's lungs sound feature.The inventor, by a large amount of clinical infantile pneumonia patients' lungs sound analysis, has established by lungs sound and has carried out the Objective Analysis Method of infantile pneumonia diagnosis and implemented at present.
The inventor has accumulated many experiences in the long-term practice process of infantile pneumonia being carried out to diagnosis and treatment, think that the analysis of auscultation and lungs sound is extremely important or main means in infantile pneumonia diagnosis and therapeutic evaluation, to patient's state of an illness diagnosis, analysis of drug use and recovery from illness interpretation all have very important significance.In order to carry out this research, the inventor carries out lungs sound collection and relevant case history recording of information for many years to clinical infantile pneumonia case, and various clinical typical lungs sounds have been carried out to feature analysis, to setting up a kind of lungs sound analytical method and the taxonomic methods effective to the infantile pneumonia patient, combine with clinical information, can instruct accurately the clinician to carry out the analysis of lungs sound and the interpretation of the state of an illness.
For infantile pneumonia, what mainly will study is the common improper lungs sounds such as sound, wheezing sound, large, medium and small bubble of stridulating.Although existing lungs sound analytical method has tens kinds, be applied in the lungs sound analysis of infantile pneumonia and find that employing a certain method wherein all can not well well be distinguished these pathologic lungs sounds separately.Some methods are too limited to the analysis of frequency domain or time domain, bad assurance feature; Some methods are too complicated and theorize, also undesirable for the solution of particular problem.Through together with the clinician to the careful analysis of great amount of samples, think that the comprehensive analysis method that the analysis in the performance of pure mathematics analysis means and physics is combined is effective ways that carry out the analysis of infantile pneumonia lungs sound, this is also the definite analysis means of the present invention, has obtained good analysis result in clinical analysis.The present invention utilizes acoustoelectric sensor and radio electron echometer to carry out the lungs sound collection specifically, utilizes personal computer to adopt the lungs sound classification and Detection algorithm based on the graphical analysis of STFT short-term spectrum to have the lungs sound of clinical important diagnostic meaning carry out automatic analysis and distinguish to dry ring sound and bubble etc.
Existing lungs sound detector generally only has the acquisition testing function of lungs sound, the analytic function that does not relate to several typical lungs sounds, as Chinese Patent Application No. is 200610154521.8, name is called " networking blood pressure/pressure/heartbeat/body temperature/heart and lung sounds comprehensive detector " and Chinese Patent Application No. is 98230423.4, and name is called " heart rate/pulmonary sound telephone remote-control instrument ".Chinese Patent Application No. is 201010107997.2, name is called " the portable and visual heart, the separable Bluetooth electronic stethoscope of lungs sound " and can carries out uploading of the collection of hear sounds lungs sound, elementary filtering and heart rate calculating and demonstration and lungs sound, but does not relate to the lungs sound analysis.Chinese Patent Application No. is 200680009502.4, and name is called " visual stethoscope " and can carries out uploading of the collection of hear sounds lungs sound, elementary filtering and heart rate calculating and demonstration and lungs sound, but does not relate to the lungs sound analysis.Chinese Patent Application No. is 201020215584.1, name is called the determination and analysis that " Intelligent cardiopulmonary analyzing instrument " device relates to the hear sounds lungs sound, its heart and lung sounds sensor is contact-type piezoelectric membrane pickup sheet, employing comprises dsp processor, the AD converting unit, the elements such as sound driver chip, adopt cepstrum coefficient method and HMM model algorithm to be analyzed, and its acquisition component and mode, main processing unit are all fully different from this patent with analytical method.
Summary of the invention
The characteristics such as purpose of the present invention, be to provide a kind of lungs sound automatic analyzer, adopts the present invention to carry out Clinical detection to lungs sound, has in real time, efficient and accurate.
The technical scheme adopted is:
A kind of lungs sound automatic analyzer, comprise the diagnostic apparatus main frame, be equiped with lungs sound probe and the radio electron echometer of acoustoelectric sensor.
The diagnostic apparatus main frame comprises a diagnostic computer and signal amplifier, and computer comprises main frame, display and keyboard.The lungs sound probe is by the signal input part sub-connection of wire and signal amplifier, and the signal output terminal of signal amplifier is connected with the corresponding interface of main frame.Radio electron echometer transfers to main frame by wireless transmission or with special purpose interface by the Lung Sounds of collection.Main frame is provided with USB interface and network interface and audio output interface.USB interface, form that can file derives above-mentioned Lung Sounds and diagnosis and analysis result; Network interface, can the data upload form be transported to patient's case data base by non-tone signal and diagnosis and analysis result; Audio output interface, can play back the lungs sound file by audio amplifier.
Using method:
Before detection, first select " detecting in real time " or " file detection " detection mode, then select to detect data.Detect and start after confirming.If adopt the lungs sound probe detect in real time, gathering Lung Sounds and provide testing result simultaneously; If adopt radio electron echometer the select File detection, testing result is the analysis result of the lungs sound file of selection.
Operational instances:
To being examined the people, first 3 lungs sound probes are placed on respectively to 3 back lungs sound detection zones of patient, fix, connecting line is connected to the sensor interface of control device.By button and display screen selection " the real-time detection " mode and 3 passages, press " starting to detect " key and determine the Lung Sounds waveform of 3 passages of rear control device meeting instant playback.After pressing " stopping detecting " key, each passage can select one section Lung Sounds to be analyzed, and acquiescence is with the data analysis of collection in last 8 seconds.Concrete analysis data and classified prompt are presented on liquid crystal display screen.The lungs sound data can select a certain passage carry out playback repeatedly and play sound by audio amplifier.
Radio electron echometer can be by wireless transmission or special purpose interface by the lungs sound file transfer to control device, then select " file detection " mode to obtain the analysis result of certain lungs sound file.
The invention has the advantages that:
1. all respiratory system diseases all will gather lungs sound, and the multi-region of lungs sound gathers with automatic analysis simultaneously has important meaning for detecting the additional lungs sound of pathologic, thereby patient's diagnoses and treatment is all had very great help.
2. the present invention can really establish a kind of available lungs sound feature analysis means clinically, and be applied on the clinic diagnosis of the diseases such as infantile pneumonia, for this type of disease increases a kind of diagnostic means objectified, this will have important application prospect to children's health and medical treatment.
The accompanying drawing explanation
Fig. 1 is that lungs sound of the present invention gathers schematic diagram.
Fig. 2 is main machine structure block diagram of the present invention.
Fig. 3 is lungs sound parser schematic diagram of the present invention.
The specific embodiment
A kind of lungs sound automatic analyzer, comprise diagnostic apparatus main frame, three lungs sound probe 1 and radio electron echometers 2 that are equiped with acoustoelectric sensor.
The diagnostic apparatus main frame, comprise a diagnostic computer and signal amplifier 4.
Signal amplifier 4 is connected with the corresponding interface of main frame 3 by wire.Three lungs sound probes 1 are by the signal input part sub-connection of wire and signal amplifier 4.
Radio electron echometer is connected with the corresponding interface of main frame 3 by wireless transmission.
Be equiped with USB interface, network interface and audio output interface on main frame 3.
Claims (2)
1. a lungs sound automatic analyzer, comprise diagnostic apparatus main frame, three lungs sound probe (1) and radio electron echometers (2) that are equiped with acoustoelectric sensor; It is characterized in that:
The diagnostic apparatus main frame, comprise a diagnostic computer and signal amplifier (4);
Signal amplifier (4) is connected with the corresponding interface of main frame (3) by wire; Three lungs sound probes (1) are by the signal output part sub-connection of wire and signal amplifier (4);
Radio electron echometer is connected with the corresponding interface of main frame (3) by wireless transmission.
2. a kind of lungs sound automatic analyzer according to claim 1, is characterized in that: be equiped with USB interface, network interface and audio output interface on main frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210152619.5A CN103417241B (en) | 2012-05-17 | 2012-05-17 | Automatic analyzer of lung sounds |
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| CN201210152619.5A CN103417241B (en) | 2012-05-17 | 2012-05-17 | Automatic analyzer of lung sounds |
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| CN103417241A true CN103417241A (en) | 2013-12-04 |
| CN103417241B CN103417241B (en) | 2017-03-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103932733A (en) * | 2014-04-11 | 2014-07-23 | 中国人民解放军第三军医大学第三附属医院 | Digitalized detecting analysis method for pulmonary interstitial fibrosis based on lung sound |
| CN106022258A (en) * | 2016-05-18 | 2016-10-12 | 成都济森科技有限公司 | Digital stethoscope and method for filtering heart sounds and extracting lung sounds |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932733A (en) * | 2014-04-11 | 2014-07-23 | 中国人民解放军第三军医大学第三附属医院 | Digitalized detecting analysis method for pulmonary interstitial fibrosis based on lung sound |
| CN106022258A (en) * | 2016-05-18 | 2016-10-12 | 成都济森科技有限公司 | Digital stethoscope and method for filtering heart sounds and extracting lung sounds |
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| CN103417241B (en) | 2017-03-22 |
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