CN111281420A - Auscultation device and auscultation teaching system thereof - Google Patents
Auscultation device and auscultation teaching system thereof Download PDFInfo
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- CN111281420A CN111281420A CN202010183374.7A CN202010183374A CN111281420A CN 111281420 A CN111281420 A CN 111281420A CN 202010183374 A CN202010183374 A CN 202010183374A CN 111281420 A CN111281420 A CN 111281420A
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
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Abstract
The invention discloses an auscultation device and an auscultation teaching system thereof, wherein the appearance and the use of the auscultation device are completely the same as those of the existing stethoscope, a sound pick-up of the stethoscope is internally provided with a sensor and a loudspeaker of an audio acquisition and playing system, and the audio acquisition and playing system is provided with a mode setting module which is used for setting the working mode of the audio acquisition and playing system. The audio acquisition playing system is provided with 2 working modes of acquisition and reception, the acquisition working mode is that a sensor converts sound signals in the sound pick-up into electric signals and broadcasts the electric signals, and the reception working mode is that electric signals of other audio acquisition playing systems are received and the received electric signals are converted into sound signals through a loudspeaker. The auscultation teaching system comprises 1 auscultation device who sets for the collection mode to and a plurality of auscultation device who sets for receiving the mode, realizes the purpose that many people carry out the auscultation training simultaneously.
Description
Technical Field
The invention relates to the field of medical education appliances, in particular to an auscultation device and an auscultation teaching system thereof.
Background
The health of a patient can be known by auscultating physicians, and therefore, the use of a stethoscope is the fundamental skill each physician must master. In the doctor practice, the instructor gives the stethoscope to examine the heart and lungs of the patient during the ward round, however, since there are many doctors in the instructor's band, it takes a lot of time if each doctor gives the stethoscope to examine the patient. This not only affects the teaching progress, but also causes discomfort to the patient.
For this reason, in the prior art, a technology is disclosed that enables a plurality of doctors to perform auscultation examination on a patient at the same time, such as "a multi-person simultaneous stethoscope" (publication number CN206350731U), in which sound signals are collected by an electronic stethoscope and then transmitted to a plurality of auscultation earphones through wireless communication, so that each doctor wearing the auscultation earphones can hear the sound signals collected by the electronic stethoscope at the same time.
However, the practical operation is very important for medical science, and the whole device is greatly different from the stethoscope actually used by doctors in order to meet the requirement of auscultation by a plurality of persons at the same time. Moreover, the doctor is provided with an earphone and cannot be used for auscultation, and therefore, the instructor cannot arrange the doctor to perform actual operation.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides an auscultation device and an auscultation teaching system thereof, wherein the appearance and use of the auscultation device are completely the same as those of the existing stethoscope, and the auscultation device has 2 working modes of acquisition and reception. The auscultation device in the collection working mode can convert sound signals in the sound pick-up into electric signals to be sent outwards, and other auscultation devices in the receiving working mode receive the electric signals and restore the electric signals into the sound signals, so that the purpose of auscultation by multiple persons simultaneously is achieved. And the work mode of the auscultation device can be set and switched by self so that doctors can carry out actual operation.
The technical scheme is as follows:
in a first aspect, a stethoscope is provided, which includes a stethoscope, a sensor and a speaker of an audio collecting and playing system are disposed in a sound pick-up of the stethoscope, the audio collecting and playing system is provided with a mode setting module, and the mode setting module is used for setting a working mode of the audio collecting and playing system;
the audio acquisition playing system is provided with 2 working modes of acquisition and reception, the acquisition working mode is that a sensor converts sound signals in the sound pick-up into electric signals and broadcasts the electric signals, and the reception working mode is that electric signals of other audio acquisition playing systems are received and the received electric signals are converted into sound signals through a loudspeaker.
With reference to the first aspect, in a first implementable manner of the first aspect, the audio capturing and playing system is further provided with:
the signal processing module is used for processing the electric signals output by the sensor;
the driving module is used for driving the loudspeaker to emit a sound signal;
the communication module is used for communicating with other audio acquisition and playing systems;
the memory is used for storing a control program corresponding to the acquisition and receiving working mode;
and the processor is used for receiving the setting signal of the mode setting module and calling a corresponding control program from the memory according to the setting signal for control.
With reference to the first implementable manner of the first aspect, in a second implementable manner, the mode setting module includes 2 key switches, and the 2 key switches respectively correspond to the acquisition and reception operating modes and are respectively in signal connection with the processor.
With reference to the first implementable manner of the first aspect, in a third implementable manner, the signal processing module includes a pre-amplifier circuit, an AGC circuit, a filter circuit, and an AD converter, and the sensor is electrically connected to the processor sequentially through the pre-amplifier circuit, the AGC circuit, the filter circuit, and the AD converter.
With reference to the first implementable manner of the first aspect, in a fourth implementable manner, the driving module includes a power amplification circuit, a band-pass filter circuit, and a DA converter, and the speaker is electrically connected to the processor through the power amplification circuit, the band-pass filter circuit, and the DA converter in sequence.
In a second aspect, there is provided an auscultation teaching system comprising a plurality of auscultation devices, wherein 1 of the auscultation devices is set to a collection mode of operation and the remaining auscultation devices are set to a reception mode of operation.
Has the advantages that: by adopting the auscultation device and the auscultation teaching system thereof, the appearance and the using method of the auscultation device are not changed, the working modes of the auscultation devices can be set, a doctor can conveniently arrange to carry out actual operation, and the aim of carrying out auscultation by multiple persons at the same time is fulfilled.
Drawings
FIG. 1 is a schematic structural diagram of a stethoscope according to the present invention;
FIG. 2 is a system block diagram of an audio capture and playback system according to the present invention;
FIG. 3 is a system block diagram of a signal processing module;
fig. 4 is a system block diagram of a drive module.
Detailed Description
The invention is further illustrated by the following examples and figures.
A stethoscope shown in fig. 1 includes a stethoscope having the same structure as that of the conventional stethoscope and including a sound pickup unit 1, a sound transmitting tube 2, and an ear plug 3, and an audio collecting and playing system. The audio collecting and playing system is integrated in the sound pickup 1, wherein the sensor 4 and the speaker 5 of the audio collecting system are provided in the sound pickup 1 of the stethoscope, the speaker 5 is located at a position close to the sound transmitting tube 2 so that the sound emitted from the speaker 5 can be rapidly transmitted to the ear plug 3 along the sound transmitting tube 2, and the sensor 4 is located at a central position of the sound pickup 1 so as to convert the sound collected by the sound pickup 1 into an electric signal.
The sensor 4 may convert sound signals in the microphone 1 into electrical signals, such as a microphone. The speaker 5 can emit sound within the sound pickup 1, and the sound emitted from the speaker 5 is transmitted to the earplug 3 through the sound transmitting tube 2.
The audio acquisition and playing system has an acquisition working mode and a receiving working mode. Wherein, the collection working mode is as follows: the audio acquisition playing system converts the sound signals in the sound pickup 1 into electric signals through a microphone, processes the electric signals and broadcasts the electric signals to other same auscultation devices. The receiving working mode is as follows: the audio collecting and playing system receives the electric signals sent by other auscultation devices and drives the loudspeaker 5 to restore the sound signals in the sound pick-up 1 according to the electric signals. The audio acquisition and playing system is provided with a mode setting module, and the mode setting module is used for setting the working mode of the audio acquisition and playing system.
When teaching, a teacher sets the audio acquisition playing system of the used auscultation device to be in an acquisition working mode through the mode setting module, and a doctor sets the used auscultation device to be in a receiving working mode. In this way, when the instructor uses the stethoscope to examine a patient, the audio collecting and playing system of the stethoscope used converts the sound in the sound pick-up 1 into an electrical signal for broadcasting. Moreover, the sound in the sound pickup 1 is also transmitted to the earplug 3 along the sound transmission tube 2, and thus, the auscultation by the instructor is not affected. The audio collecting and playing system of the auscultation device used by the doctor can receive the electric signal broadcast by the auscultation device used by the instructor and drive the loudspeaker 5 to make sound according to the electric signal, so that the purpose of auscultation by multiple persons can be achieved.
And if the doctor needs to use the auscultation device to examine the patient, the doctor only needs to switch the audio acquisition and playing system of the used auscultation device into an acquisition working mode through the mode setting module. And the instructor can also switch the audio acquisition and playing system of the used auscultation device into a receiving working mode through the mode setting module so as to supervise whether the method for using the stethoscope by the doctor is correct.
In this embodiment, preferably, as shown in fig. 2, the audio capturing and playing system is provided with:
the signal processing module is used for processing the electric signals output by the sensor 4;
the driving module is used for driving the loudspeaker 5 to emit a sound signal;
the communication module is used for communicating with other audio acquisition and playing systems;
the memory is used for storing a control program corresponding to the acquisition and receiving working mode;
and the processor is used for receiving the setting signal of the mode setting module and calling a corresponding control program from the memory according to the setting signal for control.
Specifically, the microphone is in signal connection with the signal processing module, the signal processing module is the same as the existing audio processing module, and can perform signal processing, such as amplification, filtering and the like, on the electrical signal converted by the microphone, and then send the processed signal to the processor, the processor in the acquisition working mode can call a program instruction corresponding to the acquisition working mode from the memory, receive the processed signal sent by the signal processing module, and broadcast the processed signal to other auscultation devices through the communication module.
The processors of the other auscultation devices in the receiving working mode call the program instructions corresponding to the receiving working mode from the memory, the broadcasted processing signals are received through the communication module, and the driving module drives the loudspeaker 5 to restore the processing signals into sound signals, wherein the driving module can be an existing audio driving module.
In addition, in order to conveniently store the sound data, the memory comprises a random access memory and a read-only memory, control programs corresponding to the collection working mode and the receiving working mode are stored in the read-only memory, and the sound data collected and received by the processor is stored in the random access memory.
In this embodiment, preferably, the mode setting module includes 2 key switches, and the 2 key switches respectively correspond to the acquisition and reception working modes and are respectively in signal connection with the processor. The keys of 2 key switches can be arranged on the sound pick-up 1 of the stethoscope, the two ends of each key switch are respectively connected with the signal source and the input end of the processor, and the processor can scan the signal changes of the two input ends connected with the key switches through the signal scanning program so as to determine the set working mode.
In this embodiment, preferably, as shown in fig. 3, the signal processing module includes a pre-amplifier circuit, an AGC circuit, a filter circuit, and an AD converter, and the sensor 4 is electrically connected to the processor through the pre-amplifier circuit, the AGC circuit, the filter circuit, and the AD converter in this order.
The pre-stage amplifying circuit can amplify the electric signal converted by the microphone, the AGC circuit is a gain automatic control circuit and can control the amplification factor of the electric signal and output a high-quality sound signal, the filter circuit can filter the noise in the electric signal and reduce the noise interference, the AD converter can convert the filtered analog signal into a digital signal so as to be stored, and the communication module can select a miniature digital wireless communication module, thereby facilitating the wireless communication and reducing the size of the whole audio acquisition and play system. The pre-stage amplifying circuit, the AGC circuit and the filter circuit all adopt the existing circuits.
In this embodiment, preferably, as shown in fig. 3, the driving module includes a power amplifying circuit, a band-pass filter circuit and a DA converter, and the speaker 5 is electrically connected to the processor through the power amplifying circuit, the band-pass filter circuit and the DA converter in sequence. The processor in the receiving working mode can send the processing signal received by the communication module to the DA converter, convert the digital signal into an analog signal, filter the converted analog signal by the band-pass filter circuit, amplify the voltage by the power amplifying circuit, and drive the speaker 5 to make a sound by the amplified analog signal.
An auscultation teaching system comprises a plurality of auscultation devices, wherein 1 auscultation device is set to be in a collection working mode, and the rest auscultation devices are set to be in a receiving working mode.
When teaching, a teacher sets the audio acquisition playing system of the used auscultation device to be in an acquisition working mode through the mode setting module, and a doctor sets the used auscultation device to be in a receiving working mode. In this way, when the instructor uses the stethoscope to examine a patient, the audio collecting and playing system of the stethoscope used converts the sound in the sound pick-up 1 into an electrical signal for broadcasting. Moreover, the sound in the sound pickup 1 is also transmitted to the earplug 3 along the sound transmission tube 2, and thus, the auscultation by the instructor is not affected. The audio acquisition and playing system of the auscultation device used by the doctor can receive the electric signal broadcast by the auscultation device used by the instructor and drive the loudspeaker 5 to make sound according to the electric signal, so that the purpose of auscultation teaching by multiple persons is achieved.
And if the doctor needs to use the auscultation device to examine the patient, the doctor only needs to switch the audio acquisition and playing system of the used auscultation device into an acquisition working mode through the mode setting module. And the instructor can also switch the audio acquisition and playing system of the used auscultation device into a receiving working mode through the mode setting module so as to supervise whether the method for using the stethoscope by the doctor is correct.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (6)
1. An auscultation device, includes the stethoscope its characterized in that: a sensor and a loudspeaker of an audio acquisition and playing system are arranged in a sound pick-up of the stethoscope, the audio acquisition and playing system is provided with a mode setting module, and the mode setting module is used for setting the working mode of the audio acquisition and playing system;
the audio acquisition playing system is provided with 2 working modes of acquisition and reception, the acquisition working mode is that a sensor converts sound signals in the sound pick-up into electric signals and broadcasts the electric signals, and the reception working mode is that electric signals of other audio acquisition playing systems are received and the received electric signals are converted into sound signals through a loudspeaker.
2. The auscultation device of claim 1, wherein the audio collection and playback system is further provided with:
the signal processing module is used for processing the electric signals output by the sensor;
the driving module is used for driving the loudspeaker to emit a sound signal;
the communication module is used for communicating with other audio acquisition and playing systems;
the memory is used for storing a control program corresponding to the acquisition and receiving working mode;
and the processor is used for receiving the setting signal of the mode setting module and calling a corresponding control program from the memory according to the setting signal for control.
3. The auscultation device of claim 2, wherein: the mode setting module comprises 2 key switches, and the 2 key switches correspond to the acquisition and receiving working modes respectively and are in signal connection with the processor respectively.
4. The auscultation device of claim 2, wherein: the signal processing module comprises a preceding stage amplifying circuit, an AGC circuit, a filter circuit and an AD converter, and the sensor is electrically connected with the processor through the preceding stage amplifying circuit, the AGC circuit, the filter circuit and the AD converter in sequence.
5. The auscultation device of claim 2, wherein: the drive module comprises a power amplification circuit, a band-pass filter circuit and a DA converter, and the loudspeaker is electrically connected with the processor through the power amplification circuit, the band-pass filter circuit and the DA converter in sequence.
6. An auscultation teaching system, its characterized in that: comprising a plurality of auscultation devices according to claim 3, wherein 1 of the auscultation devices is set to a collecting mode of operation and the remaining auscultation devices are set to a receiving mode of operation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010183374.7A CN111281420A (en) | 2020-03-16 | 2020-03-16 | Auscultation device and auscultation teaching system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010183374.7A CN111281420A (en) | 2020-03-16 | 2020-03-16 | Auscultation device and auscultation teaching system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870273A (en) * | 2020-07-13 | 2020-11-03 | 中国人民解放军联勤保障部队第九二〇医院 | Remote lung sound monitoring device, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202270033U (en) * | 2011-09-28 | 2012-06-13 | 李文雯 | Wireless electronic record/playback teaching emitting stethoscope and wireless electronic record/playback teaching receiving stethoscope |
| CN203524698U (en) * | 2013-08-30 | 2014-04-09 | 南阳医学高等专科学校 | Multifunctional stethoscope promoting teaching |
| CN104935362A (en) * | 2015-05-12 | 2015-09-23 | 上海人智信息科技有限公司 | Remote auscultation method and system |
| CN207949820U (en) * | 2017-05-23 | 2018-10-12 | 中国科学院苏州生物医学工程技术研究所 | Digitalized electron stethoscope and its auscultation system |
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2020
- 2020-03-16 CN CN202010183374.7A patent/CN111281420A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202270033U (en) * | 2011-09-28 | 2012-06-13 | 李文雯 | Wireless electronic record/playback teaching emitting stethoscope and wireless electronic record/playback teaching receiving stethoscope |
| CN203524698U (en) * | 2013-08-30 | 2014-04-09 | 南阳医学高等专科学校 | Multifunctional stethoscope promoting teaching |
| CN104935362A (en) * | 2015-05-12 | 2015-09-23 | 上海人智信息科技有限公司 | Remote auscultation method and system |
| CN207949820U (en) * | 2017-05-23 | 2018-10-12 | 中国科学院苏州生物医学工程技术研究所 | Digitalized electron stethoscope and its auscultation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870273A (en) * | 2020-07-13 | 2020-11-03 | 中国人民解放军联勤保障部队第九二〇医院 | Remote lung sound monitoring device, system and method |
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Application publication date: 20200616 |
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