CN107550515A - Stethoscope system - Google Patents
Stethoscope system Download PDFInfo
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- CN107550515A CN107550515A CN201710840653.4A CN201710840653A CN107550515A CN 107550515 A CN107550515 A CN 107550515A CN 201710840653 A CN201710840653 A CN 201710840653A CN 107550515 A CN107550515 A CN 107550515A
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- stethoscope
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- stethoscope system
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- heart
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- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 208000037656 Respiratory Sounds Diseases 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 21
- 238000002555 auscultation Methods 0.000 claims description 17
- 230000003321 amplification Effects 0.000 claims description 16
- 210000004072 lung Anatomy 0.000 claims description 9
- 238000012545 processing Methods 0.000 abstract description 16
- 210000000056 organ Anatomy 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 206010067715 Gastrointestinal sounds abnormal Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000003759 clinical diagnosis Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000005906 menstruation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000004148 unit process Methods 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 stethoscope system. The stethoscope system includes: the sound sensor is used for acquiring sound data of a human body; the stethoscope system comprises a mode conversion switch, a stethoscope storage device and a stethoscope storage device, wherein the mode conversion switch is used for switching different working modes such as heart sounds, lung sounds and bowel sounds, the stethoscope system has at least two working modes, and the filtering frequency ranges of the stethoscope system are different in the different working modes; the prepositive amplifying circuit is used for amplifying the collected sound data; converting the analog input signal into a digital signal through analog-to-digital conversion, and performing noise reduction processing; after the post-amplification treatment, the data can be transmitted to a computer PC, a panel PAD, a mobile phone, a recording pen, a 3.5mm earphone and the like in a wired mode, and the data can also be transmitted to the computer PC, the panel PAD, the mobile phone, a Bluetooth earphone and the like in a wireless mode. By the invention, the effect of detecting the sound parameters of a plurality of human organs by the stethoscope is achieved.
Description
Technical field
The present invention relates to stethoscope field, in particular to a kind of stethoscope system.
Background technology
Conventional stethoscope is difficult to the faint but very important voice signal for catching inside of human body internal organs, tissue is sent,
Objective transient characteristic sounds can not be preserved, higher is required to the subjective identification capability in user scene, is unfavorable for and patient, patient
Family members, other medical personnel exchange.
Willem Einthoven develop phonocardiograph, and Forgacs proposes to utilize respirophonogram, and human body is presented in image conversion
The method of breath sound.By signal processing technology, it can be derived that heart sound and breath sound intensity, frequency change with time situation.
But caardiophonogram, respirophonogram Standardization are relatively slow, therefore body sounds objectify, standardize detection and analysis skill
Art attracts attention.
Electronic auscultation device can be standardized, objectified, digital measuring, analysis body sounds data, it is allowed to and repetition is listened to,
User also can voluntarily measure, and have significant application value in clinical diagnosis, remote medical consultation with specialists, medical educational, health control etc..
Because each internal organs, the frequency organized are not quite similar in body, it is however generally that, heart sound frequency range 20-400Hz,
Lungs sound frequency range 30-3000Hz, borborygmus audio frequency range 60-1200Hz.Common electronic auscultation device is generally tailored version and set
For, it is necessary to according to the frequency range of different detections, related circuit parameter is designed, heart sound, lungs sound etc. can only be detected respectively.Existing skill
Stethoscope in art can only detect the audio parameter of a human organ, and application is limited.
The audio parameter of a human organ can only be detected for stethoscope in correlation technique causes what application was limited
Problem, effective solution is not yet proposed at present.
The content of the invention
It is a primary object of the present invention to provide a kind of stethoscope system, a human body device can only be detected to solve stethoscope
The problem of audio parameter of official causes application to be limited.
To achieve these goals, according to an aspect of the invention, there is provided a kind of stethoscope system, the stethoscope system
System includes：Sound transducer, for gathering the voice data of human body；Mode conversion switch, for switching heart sound, lungs sound, borborygmus
The different mode of operation such as sound, wherein, stethoscope system has at least two mode of operations, in different working modes, auscultation
The frequency filtering scope of device system is different；Pre-amplification circuit, for the voice data of collection to be amplified；By simulation input
Signal is data signal by analog-to-digital conversion, carries out noise reduction process；Through rear class enhanced processing, wired mode may be selected and pass data
Computer PC, flat board PAD, mobile phone, recording pen, 3.5mm earphones etc. are transported to, wireless mode can also be selected to send data to computer
PC, flat board PAD, mobile phone, bluetooth earphone etc..
Further, the stethoscope system also includes：Analog to digital conversion circuit, for the data after amplification to be carried out into modulus
Conversion, obtains data signal.
Further, the stethoscope system also includes：Dolby circuit, for carrying out denoising to the data signal, obtain
To denoising data.
Further, the stethoscope system also includes：Rear class amplifying circuit, for the denoising data to be put
Greatly, rear class amplification data is obtained.
Further, the voice data of the human body of the sound transducer collection includes：Heart sound, lungs sound, heart and lung sounds, cardiopulmonary
Sound extension sound, gurgling sound.
Further, the sound transducer is located in the auscultation head of the stethoscope system.
Further, the stethoscope system also includes：LED light, for indicating the current institute of the stethoscope system
The measurement pattern at place.
Further, the stethoscope system also includes cable data reception device or Wireless data receiving device, is used for
The voice data of the human body is received by wired or wireless mode, wherein, the cable data reception device includes following
Any one：Mobile phone, computer, recording pen, 3.5mm earphones, the Wireless data receiving device include following any one：Hand
Mechanical, electrical brain, bluetooth earphone.
The present invention is by sound transducer, for gathering the voice data of human body；Mode conversion switch, for being switched to
Measurement pattern corresponding to the frequency of voice data is stated, wherein, the stethoscope system has at least two measurement patterns, in difference
In measurement pattern, the frequency filtering scope of the stethoscope system is different；Pre-amplification circuit, for by the sound of collection
Data are amplified, and solving stethoscope and can only detecting the audio parameter of a human organ causes application is limited to ask
Topic, has reached the effect for the audio parameter that multinomial human organ is detected by stethoscope.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of stethoscope system according to a second embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of stethoscope system signal transacting according to embodiments of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
The embodiments of the invention provide a kind of stethoscope system.
The system includes consisting of part：
Sound transducer, for gathering the voice data of human body；
Mode conversion switch, for being switched to measurement pattern corresponding to the frequency of voice data, wherein, stethoscope system tool
There are at least two measurement patterns, in different measurement patterns, the frequency filtering scope of stethoscope system is different；
Pre-amplification circuit, for the voice data of collection to be amplified.
The embodiment of the present invention is by sound transducer, for gathering the voice data of human body；Mode conversion switch, for cutting
Measurement pattern corresponding to the frequency of the voice data is changed to, wherein, the stethoscope system has at least two measurement patterns,
In different measurement patterns, the frequency filtering scope of the stethoscope system is different；Pre-amplification circuit, for by the institute of collection
State voice data to be amplified, solving stethoscope and can only detecting the audio parameter of a human organ causes application to be limited
The problem of, mode conversion function is realized by mode conversion switch, a variety of human organs can be detected by a stethoscope
Sound, therefore reached the effect for the audio parameter that multinomial human organ is detected by stethoscope.
In embodiments of the present invention, stethoscope can be used as a kind of multimode electronic auscultation device, wherein, sound transducer can be with
Using highly sensitive sound transducer.
Alternatively, pre-amplification circuit, it is connected with sound transducer, for the voice data of human body to be amplified, obtains
To amplification data.
Alternatively, stethoscope system also includes：Analog to digital conversion circuit, it is connected with pre-amplification circuit, for number will to be amplified
According to analog-to-digital conversion is carried out, the data signal of data is amplified.
Alternatively, stethoscope system also includes：Dolby circuit, it is connected with analog to digital conversion circuit, for by amplification data
Data signal carries out denoising, obtains denoising data.
Alternatively, stethoscope system also includes：Rear class amplifying circuit, is connected with Dolby circuit, for denoising data to be entered
Row amplification, obtains rear class amplification data.
Alternatively, the voice data of the human body of sound transducer collection includes：Heart sound, lungs sound, heart and lung sounds, heart and lung sounds extension
Sound, gurgling sound.
Alternatively, sound transducer is located in the auscultation head of stethoscope system.Highly sensitive sound transducer can be with
Medical auscultation head is integrated in one.
Alternatively, stethoscope system also includes：LED light, the measurement mould being presently in for indicating stethoscope system
Formula.
Alternatively, stethoscope system also includes cable data reception device or Wireless data receiving device, for by having
Line or the voice data for wirelessly receiving human body, wherein, cable data reception device includes following any one：Mobile phone,
Computer, recording pen, 3.5mm earphones, Wireless data receiving device include following any one：Mobile phone, computer, bluetooth earphone.
The multimode electronic auscultation device of the embodiment of the present invention can utilize high sensitivity sound transducer collection body sounds number
According to, enhanced processing is put before menstruation, is then data signal by analog-to-digital conversion by analog input signal, after carrying out noise reduction process, profit
The different working modes such as heart sound, lungs sound, heart and lung sounds, gurgling sound are realized with patten transformation, through rear class enhanced processing, may be selected wired
Mode sends data to computer PC, flat board PAD, mobile phone, recording pen, 3.5mm earphones etc., and wireless mode also may be selected by data
Transmit to computer PC, flat board PAD, mobile phone, bluetooth earphone etc..
The stethoscope of the embodiment of the present invention supports recording pen to believe the sound such as the heart sound of detection, lungs sound, heart and lung sounds, gurgling sound
Number recorded.After carrying out the voice signal after audio amplification and noise reduction process, it can be, but not limited to through final-stage power amplifier
Amplification.Such as amplify through final-stage power amplifier, then can directly drive 3.5mm earphones, carry out live auscultation.Signal can be passed through
Processing unit adjusts filtering parameter, there is provided the filtering needed for the different working modes such as heart sound, lungs sound, heart and lung sounds extension, gurgling sound
Frequency range.The mode of operation of switching electronic auscultation device can also be selected by button, and prompt different mode of operations.After
After level enhanced processing, optional wired mode sends data to computer PC, flat board PAD, mobile phone, recording pen, 3.5mm earphones
Deng, also may be selected wireless mode send data to computer PC, flat board PAD, mobile phone, bluetooth earphone etc..Utilize Ripple Suppression electricity
Road, through low pressure difference linearity stabilizing circuit, operating voltage is provided for DSP, sound transducer.The size of detection volume can be adjusted.
It can select using different power supply modes such as external power supply, dry cell, lithium ion battery, button cells.Can accurately it suppress
Ambient noise (is such as closed the door, the broken sudden impact noise of glass).Output signal maximum gain can be limited, controls output signal
In a suitable auscultation scope.Processing capability in real time is strong, and signal transacting delay is less than 20mS.Signal amplifying power is strong, reachable
More than 50dB.Inside configuration is adjustable, there is provided GPIO interface, peripheral control is realized, such as volume adjusting, low-voltage alarm, LED control
System etc..
Fig. 1 is the schematic diagram of stethoscope system according to embodiments of the present invention, as shown in figure 1, the signal transacting of the system
Process includes：
Any one in high sensitivity microphone collection heart sound, breath sound, the body sounds such as gurgling sound, microphone is by mould
Intend signal to be transferred in digital signal processing module, analog-digital converter converts analog signals into data signal, data signal warp
Cross after active noise controlling, digital filtering, gain control etc. reason, can be by data signal (PWM) by wired or wireless
The mode of transmission is sent to the storage of the external equipments such as computer, mobile phone or bluetooth earphone or display data testing result, numeral letter
After number can also be by the filtering of wave filter/buffer or buffering, be played in earphone, user can hear in earphone to adopt
The body sounds such as the heart sound that collects, breath sound, gurgling sound.
In embodiments of the present invention, can be according to the sound audio collected after the sound for detecting different body parts
Measurement pattern corresponding to waveband selection residing for rate, so that stethoscopic accuracy of detection more meets specific measuring point, therefore,
Multiple measurement frequency wave bands are pre-set, measurement pattern is either automatically or manually then determined according to specific measuring point, it is possible to
Realize that stethoscopic multimode integrates, by the sound of the multiple body parts of auscultation with stethoscope, relative to of the prior art
Each stethoscope is only used for gathering the sound of a special body part, it is possible to increase stethoscopic application, it is convenient to use
Family uses.
Fig. 2 is a kind of schematic diagram of stethoscope system signal transacting according to embodiments of the present invention, as shown in Fig. 2 this is
The signal processing of system includes：
Human acoustical signal is gathered by the auscultation head of integrated high-sensitivity sound transducer, passes through pre-amplification circuit pair
Signal carries out preposition amplification, preposition amplification coefficient can be controlled by volume control switch, then by with noise suppressed work(
The DSP of energy is handled the signal after amplification, the signal processing unit according to corresponding to determining the voice signal collected, selection
Cardiechema signals processing unit, Lung Sounds processing unit, heart and lung sounds signal processing unit, one in gurgling sound signal processing unit
Individual carry out signal transacting, is then amplified through rearmounted amplifying circuit to signal, can pass signal through the mode of wire transmission
It is defeated to PC, PAD, mobile phone, recording pen, earphone etc., can also be transferred signals to through the mode being wirelessly transferred PC, PAD, mobile phone,
Bluetooth earphone etc..It can be powered by ripple suppression circuit and low-dropout linear voltage-regulating circuit for auscultation head, mould can also be passed through
Formula change-over switch manual switching measurement pattern, current measurement pattern can also be shown to facilitate user to understand current measurement mould
Formula.
The multimode electronic auscultation device of the embodiment of the present invention, using digital processing and transmission means, breath sound is detected by reducing
During caused additional noise, simultaneously because using high sensitivity microphone, improve the uniformity and ambient stable of system
Property.Multimode electronic auscultation device proposed by the present invention, has in fields such as clinical diagnosis, remote medical consultation with specialists, medical educational, health controls
Important application value.
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Comprising so that process, method, commodity or equipment including a series of elements not only include those key elements, but also wrapping
Include the other element being not expressly set out, or also include for this process, method, commodity or equipment intrinsic want
Element.
Embodiments herein is these are only, is not limited to the application.To those skilled in the art,
The application can have various modifications and variations.All any modifications made within spirit herein and principle, equivalent substitution,
Improve etc., it should be included within the scope of claims hereof.
Claims (8)
- A kind of 1. stethoscope system, it is characterised in that including：Sound transducer, for gathering the voice data of human body；Mode conversion switch, for being switched to measurement pattern corresponding to the frequency of the voice data, wherein, the stethoscope system System has at least two measurement patterns, and in different measurement patterns, the frequency filtering scope of the stethoscope system is different；Pre-amplification circuit, for the voice data of collection to be amplified.
- 2. stethoscope system according to claim 1, it is characterised in that the stethoscope system also includes：Analog to digital conversion circuit, for the data after amplification to be carried out into analog-to-digital conversion, obtain data signal.
- 3. stethoscope system according to claim 2, it is characterised in that the stethoscope system also includes：Dolby circuit, for carrying out denoising to the data signal, obtain denoising data.
- 4. stethoscope system according to claim 3, it is characterised in that the stethoscope system also includes：Rear class amplifying circuit, for the denoising data to be amplified, obtain rear class amplification data.
- 5. stethoscope system according to claim 1, it is characterised in that the sound of the human body of the sound transducer collection Data include：Heart sound, lungs sound, heart and lung sounds, heart and lung sounds extension sound, gurgling sound.
- 6. stethoscope system according to claim 1, it is characterised in that the sound transducer is located at the stethoscope system In the auscultation head of system.
- 7. stethoscope system according to claim 1, it is characterised in that the stethoscope system also includes：LED light, the measurement pattern being presently in for indicating the stethoscope system.
- 8. stethoscope system according to claim 1, it is characterised in that the stethoscope system also connects including cable data Receiving apparatus or Wireless data receiving device, for receiving the voice data of the human body by wired or wireless mode, wherein, The cable data reception device includes following any one：Mobile phone, computer, recording pen, 3.5mm earphones, the wireless data Reception device includes following any one：Mobile phone, computer, bluetooth earphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840653.4A CN107550515A (en) | 2017-09-15 | 2017-09-15 | Stethoscope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840653.4A CN107550515A (en) | 2017-09-15 | 2017-09-15 | Stethoscope system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107550515A true CN107550515A (en) | 2018-01-09 |
Family
ID=60981181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840653.4A Pending CN107550515A (en) | 2017-09-15 | 2017-09-15 | Stethoscope system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107550515A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108013898A (en) * | 2018-01-12 | 2018-05-11 | 周柳萍 | Intelligent stethoscope |
| CN109793533A (en) * | 2019-01-04 | 2019-05-24 | 东南大学 | A kind of Simple electronic stethoscope |
| CN111685791A (en) * | 2020-07-23 | 2020-09-22 | 溧阳市中医医院 | Collecting and processing system for auscultation data |
| CN111700637A (en) * | 2020-06-11 | 2020-09-25 | 长沙易宜生物工程有限公司 | Bluetooth stethoscope |
| CN112617885A (en) * | 2020-10-30 | 2021-04-09 | 皖江工学院 | Electronic stethoscope suitable for multi-person simultaneous inquiry, working method and auscultation system |
| CN112807013A (en) * | 2021-01-25 | 2021-05-18 | 合肥德铭电子有限公司 | Medical stethoscope system and using method thereof |
| CN113679410A (en) * | 2021-07-08 | 2021-11-23 | 北京中医药大学东直门医院 | Pulmonary nodule patient uses sharing stethoscope diagnostic system |
| GB2607156A (en) * | 2021-05-06 | 2022-11-30 | Eko Devices Inc | Systems and methods for electronic stethoscope wireless auscultation |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108013898A (en) * | 2018-01-12 | 2018-05-11 | 周柳萍 | Intelligent stethoscope |
| CN109793533A (en) * | 2019-01-04 | 2019-05-24 | 东南大学 | A kind of Simple electronic stethoscope |
| CN111700637A (en) * | 2020-06-11 | 2020-09-25 | 长沙易宜生物工程有限公司 | Bluetooth stethoscope |
| CN111685791A (en) * | 2020-07-23 | 2020-09-22 | 溧阳市中医医院 | Collecting and processing system for auscultation data |
| CN112617885A (en) * | 2020-10-30 | 2021-04-09 | 皖江工学院 | Electronic stethoscope suitable for multi-person simultaneous inquiry, working method and auscultation system |
| CN112807013A (en) * | 2021-01-25 | 2021-05-18 | 合肥德铭电子有限公司 | Medical stethoscope system and using method thereof |
| GB2607156A (en) * | 2021-05-06 | 2022-11-30 | Eko Devices Inc | Systems and methods for electronic stethoscope wireless auscultation |
| CN113679410A (en) * | 2021-07-08 | 2021-11-23 | 北京中医药大学东直门医院 | Pulmonary nodule patient uses sharing stethoscope diagnostic system |
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Application publication date: 20180109 |