CN103417241B - Automatic analyzer of lung sounds - Google Patents
Automatic analyzer of lung sounds Download PDFInfo
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- CN103417241B CN103417241B CN201210152619.5A CN201210152619A CN103417241B CN 103417241 B CN103417241 B CN 103417241B CN 201210152619 A CN201210152619 A CN 201210152619A CN 103417241 B CN103417241 B CN 103417241B
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- lungs sound
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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, is particularly used for the diagnosis of the disease related to lungs sound auscultation.
Background technology
Lungs sound has very important significance for the diagnosis of respiratory system disease especially infantile pneumonia etc., clinically right
The process of lungs sound is typically still in the stage for judging type by rule of thumb.Multi-region collection and intelligence are carried out for patient's lungs sound feature
Judge significant to clinic.Inventor is established and is passed through by the lungs sound analysis of a large amount of clinic infantile pneumonia patients at present
Lungs sound carries out the Objective Analysis Method of infantile pneumonia diagnosis and is carried out.
Inventor have accumulated many experiences during the long-term practice for carrying out diagnosis and treatment to infantile pneumonia, it is believed that auscultation and lung
The analysis of sound is that infantile pneumonia is diagnosed and means extremely important or main in therapeutic evaluation, the condition-inference to patient,
Analysis of drug use and recovery from illness interpretation all have very important significance.In order to carry out this research, inventor is to clinical infantile pneumonia disease
Example carries out the record of lungs sound collection for many years and related medical record information, and has carried out feature analysiss to various clinical typical case's lungs sounds,
To setting up a kind of lungs sound analysis method effective to infantile pneumonia patient and taxonomic methods, combine with clinical information,
Clinician can be accurately instructed to carry out the analysis of lungs sound and the interpretation of the state of an illness.
For infantile pneumonia, mainly to be studied is the common anon-normal such as sound, wheezing sound, big-and-middle fine bubbling rale of stridulating
Normal lungs sound.Although existing lungs sound analysis method has ten several, but applies and find individually to adopt in the lungs sound analysis of infantile pneumonia
Well these pathologic lungs sounds can not be distinguished well with a certain method therein.Some methods are excessively limited to
The analysis of frequency domain or time domain, bad assurance feature；Some methods are excessively complicated and theorize, for particular problem solution not yet
It is preferable.Through the careful analysis together with clinician to great amount of samples, it is believed that by pure mathematics analysis means and physical behavior
The comprehensive analysis method that combines of analysis be effective ways for carrying out infantile pneumonia lungs sound analysis, this be also it is of the invention really
Fixed analysis means, achieve good analysis result in clinical analysiss.Specifically the present invention using acoustoelectric sensor and
Radio electron echometer carries out lungs sound collection, using personal computer using the lungs sound based on STFT short-term spectrum graphical analyses point
Class detection algorithm is automatically analyzed and is distinguished come the lungs sound for having clinical important diagnostic meaning to doing ring sound and bubble etc..
Existing lungs sound detector typically only has the acquisition testing function of lungs sound, is not directed to the analysis work(of several typical lungs sounds
Can, such as Chinese Patent Application No. is 200610154521.8, entitled《Networking blood pressure/pressure/heartbeat/body temperature/heart and lung sounds are comprehensively examined
Survey instrument》It is 98230423.4 with Chinese Patent Application No., it is entitled《Heart rate/pulmonary sound telephone remote-control instrument》.Chinese Patent Application No.
It is for 201010107997.2, entitled《The separable Bluetooth electronic stethoscope of the portable and visual heart, lungs sound》Heart sound can be carried out
Lungs sound collection, primary filtering and rate calculation and its display and the upload of lungs sound, but it is not directed to lungs sound analysis.Chinese patent application
Number be 200680009502.4, it is entitled《Visual stethoscope》Heart sound lungs sound collection, primary filtering and rate calculation can be carried out
And its display and the upload of lungs sound, but it is not directed to lungs sound analysis.Chinese Patent Application No. is 201020215584.1, entitled
《Intelligent cardiopulmonary analyzing instrument》Device is related to the detection and analysis of heart sound lungs sound, and its cardiopulmonary sound sensor is picked up for contact-type piezoelectric membrane
Tablet, using the elements such as dsp processor, AD conversion unit, sound driver chip are included, using cepstrum coefficient method and HMM model
Algorithm is analyzed, and its acquisition component and mode, main processing components and analysis method are entirely different with this patent.
The content of the invention
The purpose of the present invention, is to provide a kind of lungs sound automatic analyzer, carries out Clinical detection to lungs sound using the present invention, tool
Have in real time, efficiently and accurately the features such as.
Using technical scheme be：
A kind of lungs sound automatic analyzer, including diagnostic apparatuses main frame, be equiped with acoustoelectric sensor lungs sound probe and radio
Sub- stethoscope.
Diagnostic apparatuses main frame includes a diagnostic computer and signal amplifier, computer include main frame,
Display and keyboard.Lungs sound probe is connected with the signal input terminal of signal amplifier by wire, the signal of signal amplifier
Lead-out terminal is connected with the corresponding interface of main frame.Radio electron echometer is by being wirelessly transferred or being incited somebody to action with special purpose interface
The Lung Sounds of collection are transmitted to main frame.Main frame is provided with USB interface and network interface and audio output interface.
USB interface, can derive above-mentioned Lung Sounds and diagnosis and analysis result in the form of a file；Network interface, can be uploaded with data
Non- message number and diagnosis and analysis result are transported to patient's case database by form；Audio output interface, can be by lungs sound text
Part is played back by audio amplifier.
Using method：
Before detection, " real-time detection " or " file detection " detection mode is first selected, detection data is then selected.After confirmation
Detection starts.Real-time detection is carried out if popping one's head in using lungs sound, and collection Lung Sounds provide testing result simultaneously；If adopted
Radio electron echometer then select file detection, testing result is the analysis result of the lungs sound file of selection.
Operational instances：
To by inspection people, 3 lungs sound probes being first individually positioned in 3 back lungs sound detection zones of patient, being fixed, is connected
Line is connected to the sensor interface of control device." real-time detection " mode and 3 passages are selected by button and display screen, by " opening
The Lung Sounds waveform of control device meeting 3 passages of instant playback after beginning detection " key determination.After pressing " stopping detection " key, each is logical
Road can select one section of Lung Sounds to be analyzed, and give tacit consent to and be analyzed with the data of collection in last 8 seconds.Concrete analysis data and
Classified prompt is displayed on liquid crystal display screen.Lungs sound data can select a certain passage to be played back repeatedly and play sound by audio amplifier
Sound.
Radio electron echometer can be by being wirelessly transferred or special purpose interface transmits lungs sound file to control device, so
" file detection " mode is selected to obtain the analysis result of certain lungs sound file afterwards.
It is an advantage of the current invention that：
1. all respiratory system diseases will gather lungs sound, and the multi-region of lungs sound is gathered simultaneously and automatically analyzed for detection disease
The additional lungs sound of rationality has important meaning, so as to all have very great help to the diagnoses and treatment of patient.
2. the present invention can really establish a kind of clinically available lungs sound feature analysiss means, and apply in Lungs of Children
On the clinic diagnosis of the diseases such as inflammation, it is that such disease increases a kind of diagnostic means for objectifying, this will be to children's health and medical treatment
There is important application prospect.
Description of the drawings
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.
Specific embodiment
A kind of lungs sound automatic analyzer, the lungs sound probe 1 for being equiped with acoustoelectric sensor including diagnostic apparatuses main frame, three and nothing
Line electronic stethoscope 2.
Diagnostic apparatuses main frame, including 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 pass through wire
It is connected with the signal input terminal of signal amplifier 4.
Radio electron echometer is connected with the corresponding interface of main frame 3 by being wirelessly transferred.
USB interface, network interface and audio output interface is equiped with main frame 3.
Claims (2)
1. a kind of lungs sound automatic analyzer, pops one's head in including the lungs sound that diagnostic apparatuses main frame, three are equiped with acoustoelectric sensor（1）And nothing
Line electronic stethoscope（2）；It is characterized in that：
Diagnostic apparatuses main frame, including a diagnostic computer and signal amplifier（4）；
Signal amplifier（4）By wire and main frame（3）Corresponding interface connection；Three lungs sound probes（1）By leading
Line and signal amplifier（4）Signal input terminal connection；
Radio electron echometer is by being wirelessly transferred and main frame（3）Corresponding interface connection；
The radio electron echometer passes through to be wirelessly transferred or special purpose interface transmits lungs sound file to control device, then obtains
To the analysis result of the lungs sound file；
During detection, the lungs sound probe for being equiped with acoustoelectric sensor by described three is individually positioned in 3 back lungs sound inspections of patient
Area is surveyed, after stopping detection, one section of Lung Sounds can be selected to be analyzed, given tacit consent to and be analyzed with the data of collection in last 8 seconds；
The main frame（3）Using the lungs sound classification monitoring algorithm of the graphical analyses based on STFT short-term spectrum come to dry ring
Sound and bubble are automatically analyzed and are distinguished；Specifically, STFT is obtained to the Lung Sounds process through wavelet transformation pseudo-
Coloured image, and characteristic of division differentiation is carried out after area image feature is extracted, it is automatic to dry ring sound and bubble so as to realize
Analyze and distinguish.
2. a kind of lungs sound automatic analyzer according to claim 1, it is characterised in that：USB is equiped with main frame
Interface, network interface and audio output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210152619.5A CN103417241B (en) | 2012-05-17 | 2012-05-17 | Automatic analyzer of lung sounds |
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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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| CN103417241B true CN103417241B (en) | 2017-03-22 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932733B (en) * | 2014-04-11 | 2016-10-12 | 中国人民解放军第三军医大学第三附属医院 | A kind of digital measuring analytical equipment of interstitial pulmonary fibrosis based on lungs 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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| WO2011034843A1 (en) * | 2009-09-16 | 2011-03-24 | 3M Innovative Properties Company | Electronic stethoscope system for telemedicine applications |
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