CN105748099A - Android-based intelligent electronic auscultation system - Google Patents
Android-based intelligent electronic auscultation system Download PDFInfo
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- CN105748099A CN105748099A CN201610231579.1A CN201610231579A CN105748099A CN 105748099 A CN105748099 A CN 105748099A CN 201610231579 A CN201610231579 A CN 201610231579A CN 105748099 A CN105748099 A CN 105748099A
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- auscultation
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- circuit
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
- A61B5/0022—Monitoring a patient using a global network, e.g. telephone networks, internet
Abstract
The invention relates to an Android-based intelligent electronic auscultation system which is characterized by comprising electronic stethoscope hardware and a mobile device, wherein the electronic stethoscope hardware comprises a stethoscope head for acquiring a heart and lung sound auscultation signal, a sensor circuit for converting the heart and lung sound auscultation signal into an electric signal, a signal processing circuit and a Bluetooth soc (System On Chip) circuit; the mobile device is provided with a Bluetooth receiving module, a waveform display model capable of displaying a waveform and a heart rate of the auscultation signal and implementing zooming, and an auscultatory sound playing module for playing auscultatory sound; the auscultation signal output end of the stethoscope head is connected with the input end of the sensor circuit; the output end of the sensor circuit is connected with the input end of the signal processing circuit; the output end of the signal processing circuit is connected with the input end of the Bluetooth soc circuit; the output end of the Bluetooth soc circuit is connected with the Bluetooth receiving module of the mobile device. According to the Android-based intelligent electronic auscultation system disclosed by the invention, the auscultation signal acquired by an electronic stethoscope is transmitted to Android equipment, auscultation on the Android equipment can be achieved, and an auscultation distance is prolonged.
Description
Technical field
The present invention relates to a kind of smart electronics auscultation system based on Android, belong to electronic auscultation and information field of medical technology.
Background technology
Now, the life and health of the mankind in heart disease serious threat, and its sickness rate is in ascendant trend year by year.Auscultation, as a kind of diagnostic means, has important effect in Diagnosing Cardiac disease and respiratory system disease.But auscultation has features such as being subject to surrounding environment influence, doctor is required higher.
Traditionally, the analysis of auscultative signal, process many Based PC end, the requirement of user of service is higher, it is difficult to popularize.Along with the fast development of smart mobile phone and flat board computer technology, it calculates, the speed of process is greatly improved, it is possible to meet the calculating demand that auscultatory sound signal is analyzed process.
Android is developed by Google, based on the open source operating system of Linux, is known as most popular mobile platform in the world.Android is mainly used in the mobile equipment such as smart mobile phone and panel computer.Now, Android has had become as Mobile operating system with fastest developing speed in the world, has more than the Android device of 1,000,000 every day and is activated.The opening of Android has made it the operating system liked by user.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of smart electronics auscultation system based on Android is provided, for assisting auscultation, the auscultative signal collected by electronic stethoscope is transferred to Android device, can be implemented in and Android device carries out auscultation, extend auscultation distance, break away from the restriction of auscultation attitude.
According to technical scheme provided by the invention, the described smart electronics auscultation system based on Android, it is characterized in that: include electronic stethoscope hardware and mobile equipment, electronic stethoscope hardware includes the auscultation head for gathering heart and lung sounds auscultative signal, for heart and lung sounds auscultative signal is converted to the sensor circuit of the signal of telecommunication, signal processing circuit and bluetooth soc circuit；Described mobile equipment has Bluetooth receptions module, the waveform that can show auscultative signal and heart rate and realizes the waveform display module of convergent-divergent and play the auscultatory sound playing module of auscultatory sound.
Further, the auscultative signal outfan of described auscultation head is connected with the input of sensor circuit, the output end signal of sensor circuit processes the input of circuit and connects, the outfan of signal processing circuit is connected with the input of bluetooth soc circuit, and the outfan of bluetooth soc circuit is connected with the Bluetooth receptions module of mobile equipment.
Further, described electronic stethoscope hardware also includes the oled circuit of display electronic stethoscope hardware state, battery electric quantity.
Further, described mobile equipment also includes memory module, upper transmission module and subscriber information management module.
Further, the signal processing chip model of described signal processing circuit is BS300 processor.
Further, described subscriber information management module adopts SQLite data base.
The method have the advantages that the auscultative signal collected by electronic stethoscope is transferred to Android application software, it is possible to achieve in Android device, carry out auscultation, extend auscultation distance, broken away from the restriction of auscultation attitude.The auscultative signal of storage can be used for further analysis, process.And end that auscultative signal is uploaded onto the server, can be used for remote medical consultation with specialists.Then can record information and the idagnostic logout of user for user's building database, facilitate doctor to manage and check historical diagnostic record.
Accompanying drawing explanation
Fig. 1 is the hardware architecture diagram of auscultation system of the present invention.
Fig. 2 is the software function schematic diagram of auscultation system of the present invention.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figure 1 and Figure 2: the smart electronics auscultation system based on Android of the present invention, including electronic stethoscope hardware and mobile equipment, electronic stethoscope hardware includes bell/membranous type auscultation head, sensor pcb board and main PCB plate, sensor pcb board has sensor circuit, main PCB plate has signal processing circuit, bluetooth soc circuit and oled circuit；Wherein, bell/membranous type auscultation head is used for gathering heart and lung sounds auscultative signal；Sensor circuit is for being converted to the signal of telecommunication by heart and lung sounds auscultative signal；Signal processing circuit for the signal of telecommunication is carried out filtering noise, complete analog digital conversion, signal amplification etc. processes；Bluetooth soc circuit is for being sent to mobile equipment by the signal of telecommunication after signal processing circuit processes, and what host-host protocol adopted is A2DP agreement, it is possible to meet the requirement transmitting high-quality auscultatory sound；Oled circuit is for showing the state of electronic stethoscope hardware, battery electric quantity etc..
The function having based on the smart electronics auscultation system of Android of the present invention includes: gathers auscultative signal and by bluetooth, auscultatory sound is transferred to Android and moves equipment；Move, at Android, the waveform showing auscultative signal on equipment and realize scale transformation control, playing auscultatory sound and display heart rate；Auscultatory sound also can be uploaded onto the server by storage auscultatory sound, it is provided that remotely diagnoses；For user's building database, the relevant information of storage user.
Described mobile equipment has Bluetooth receptions module, waveform display module, auscultatory sound playing module, memory module, upper transmission module and subscriber information management module.Described Bluetooth receptions module receives the signal of electronic stethoscope hardware output.Described waveform display module is for showing waveform and the heart rate of auscultative signal, and the auscultative signal waveform received by Bluetooth receptions module can show on the mobile apparatus in real time, and auscultative signal waveform can zoom in and out conversion control；Meanwhile, mobile equipment can calculate heart rate, and degree calculation result is shown.Described rhonchus playing module is used for playing auscultatory sound, is played out by mobile equipment by auscultatory sound and can extend auscultation distance, not by the constraint of auscultation attitude；And can repeatedly play auscultatory sound, improve the accuracy of diagnosis；The broadcasting of auscultatory sound has the common control function that audio frequency is play, as play, suspend, stop, repeating.Described memory module is for storing information and the idagnostic logout of user, and memory module uses the SQLite data base that Android is built-in, sets up a data base for user, it is possible to achieve the increasing of relative recording, deletes, look into, change operation.
Described Bluetooth receptions module completes the scanning of bluetooth equipment, pairing, connection and data-transformation facility.After Android moves equipment and electronic stethoscope hardware establishes bluetooth connection, just can receive auscultative signal.What Bluetooth transmission protocol adopted is A2DP agreement, it is possible to achieve connected by bluetooth, from electronic stethoscope to the mobile high-quality audio frequency of device transmission.Android moves equipment and the auscultative signal received is shown, stores and is uploaded.Described Bluetooth receptions module selects chip to be CSR8670, and auscultatory sound transmission is set as 48khz sample rate, and 16bit quantifies, stereo mode, adopts the high-quality auscultatory sound signal of A2DP protocol transmission.
Described signal processing circuit processes the heart and lung sounds auscultative signal collected, and wherein signal processing chip model is BS300 processor, supports 24bit programming, it may be achieved the functions such as filtering, analog digital conversion, amplification.
The work process of the present invention: as in figure 2 it is shown, the auscultative signal that mobile equipment receives electronic stethoscope hardware transport by Bluetooth receptions module and comes.The auscultative signal received is carried out real-time exhibition and broadcasting by mobile equipment, and can at locally stored auscultatory sound or uploaded onto the server by auscultatory sound, it is also possible to create data base, storage userspersonal information and idagnostic logout for user.
Described bluetooth establishment of connection includes the processes such as device scan, pairing, connection.Firstly, it is necessary to call getDefaultAdapter () method to obtain local bluetooth adapter；Then, startDiscovery () method scanning bluetooth equipment is called；Finally, call connect () method and set up bluetooth connection.Set up after bluetooth connects and can return a BluetoothSocket(bluetooth socket), data just can be transmitted by this BluetoothSocket.Auscultatory sound have employed the sample rate of 48khz, the resolution of 16bit and stereo mode.The transmission of auscultatory sound have employed A2DP agreement, it is possible to meets the transmission demand of high quality audio.
Mobile equipment by the auscultative signal waveform real-time exhibition that receives out, plays auscultatory sound simultaneously.Owing to sample rate is higher, the data volume that each second produces is relatively big, and the screen resolution of mobile equipment is less, it is thus impossible to completely show the waveform of auscultative signal.In order to completely show the waveform of auscultative signal, it is necessary to the data received are sampled further.The waveform of auscultative signal can be zoomed in and out conversion control, specifically have two kinds of implementations: one is to arrange zoomin(to reduce) and zoomout(amplification) button, define click event respectively for the two button, it is achieved scale transformation；Another is to define screen two touch event, according to the distance magnitude relationship touched between 2, front and back, it is achieved scale transformation.Application software can calculate heart rate, and result is shown.Wherein, the calculating of heart rate have employed the location first heart sound method to determine cardiac cycle.The mode playing employing MediaPlayer of auscultatory sound, it is possible to control the broadcasting of auscultatory sound, time-out and stopping.
Auscultatory sound adopts lossless WAV form to store, it is possible to meet the demand storing high-quality auscultatory sound.The auscultatory sound of storage can be further analyzed, process, and creates auscultation history for user.Auscultatory sound can be uploaded onto the server by application software, and the auscultatory sound uploaded can be used for remote medical consultation with specialists, it is possible to backups for locally stored auscultatory sound.
Mobile equipment can create data base, storage userspersonal information and idagnostic logout for user.Record in data base shows in the way of list.The establishment of data base have employed SQLite data base built-in for Android.The relative recording of data base can be increased, delete, look into, change operation by user as required.
Claims (6)
1. the smart electronics auscultation system based on Android, it is characterized in that: include electronic stethoscope hardware and mobile equipment, electronic stethoscope hardware includes the auscultation head for gathering heart and lung sounds auscultative signal, for heart and lung sounds auscultative signal is converted to the sensor circuit of the signal of telecommunication, signal processing circuit and bluetooth soc circuit；Described mobile equipment has Bluetooth receptions module, the waveform that can show auscultative signal and heart rate and realizes the waveform display module of convergent-divergent and play the auscultatory sound playing module of auscultatory sound.
2. the smart electronics auscultation system based on Android as claimed in claim 1, it is characterized in that: the auscultative signal outfan of described auscultation head is connected with the input of sensor circuit, the output end signal of sensor circuit processes the input of circuit and connects, the outfan of signal processing circuit is connected with the input of bluetooth soc circuit, and the outfan of bluetooth soc circuit is connected with the Bluetooth receptions module of mobile equipment.
3. the smart electronics auscultation system based on Android as claimed in claim 1, is characterized in that: described electronic stethoscope hardware also includes the oled circuit of display electronic stethoscope hardware state, battery electric quantity.
4. the smart electronics auscultation system based on Android as claimed in claim 1, is characterized in that: described mobile equipment also includes memory module, upper transmission module and subscriber information management module.
5. the smart electronics auscultation system based on Android as claimed in claim 1, is characterized in that: the signal processing chip model of described signal processing circuit is BS300 processor.
6. the smart electronics auscultation system based on Android as claimed in claim 1, is characterized in that: described subscriber information management module adopts SQLite data base.
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| CN201610231579.1A CN105748099A (en) | 2016-04-14 | 2016-04-14 | Android-based intelligent electronic auscultation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106175820A (en) * | 2016-08-05 | 2016-12-07 | 北京塞宾科技有限公司 | A kind of radio electron echometer |
| CN110720945A (en) * | 2019-08-23 | 2020-01-24 | 杭州蜂荟信息技术有限公司 | Method of intelligent auscultation system |
| CN111110270A (en) * | 2019-12-03 | 2020-05-08 | 哈尔滨医科大学 | Medical teaching multi-terminal synchronous Bluetooth stethoscope based on Android and control system thereof |
| CN111685791A (en) * | 2020-07-23 | 2020-09-22 | 溧阳市中医医院 | Collecting and processing system for auscultation data |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20160713 |