CN111904459A - Cardiopulmonary sound auscultation detector for guiding rapid auscultation, auscultation system and auscultation method - Google Patents

Abstract

The invention discloses a heart and lung sound auscultation detector for guiding rapid auscultation, comprising a power supply module, a processor, a touch display screen, a storage, and a signal transmission module. . An auscultation system includes an electronic stethoscope, an earphone and the above-mentioned detector. An auscultation method: a touch display screen displays an auscultation position indication according to an auscultation position indication signal; a signal transmission module receives a heart and lung sound signal of a preset duration; a processor converts the heart and lung sound signal into an unclassified heart and lung sound signal; The sound signal is compared with the signal classification model in the cardiopulmonary sound signal classification program and the type is determined; the processor sends the type and the waveform of the cardiopulmonary sound signal to be classified to the touch display screen for display; the processor sends the next sequence according to the auscultation position indication signal. An auscultation position indication signal is displayed on the touch screen to display the next auscultation position indication.

Description

Heart and lung sound auscultation detector, auscultation system and auscultation method for guiding rapid auscultation

technical field

The invention relates to a stethoscope, in particular to a heart and lung sound auscultation detector, an auscultation system and an auscultation method for guiding rapid auscultation.

Background technique

A stethoscope is a commonly used medical device, which is mainly used to listen to the characteristic sounds of the internal organs of the patient's body in the process of clinical diagnosis to judge the condition. The stethoscope mainly picks up the weak heart sound or breath sound signal through a sensitive sound pickup device, converts it into an electrical signal, and then amplifies it through the earphone so that the doctor can hear the sound in the body of the diagnosed person. In order to assist listening, the patent application No. 201380029924.8 discloses an electronic auscultation system for telemedicine applications, using an electronic stethoscope to transmit heart and lung sound signals to a computer with a display screen and an input device periodically or in real time through wireless communication Heart and lung sound waveforms are displayed. The patent with the application number of 201910881574.7 discloses a method, device, device and storage medium for classifying heart sound signals, and a processor is used to compare the received heart sound signal with a classification model to determine the classification category and send it to the user end. The patent application with the application number of 201711142908.6 discloses a medical auscultation assistance system and a method for making an auscultation report, using an interactive broadcasting device to announce the auscultation position in time sequence.

However, the above-mentioned stethoscope mainly obtains a certain body sound waveform or the corresponding condition of a certain body sound from the computer screen in the process of remote heart and lung sound disease diagnosis, but does not guide the complete listening position. This is very practical experience of medical staff, and it is not necessarily reliable, requiring expensive computers.

In order to overcome the above-mentioned defects, we developed a heart and lung sound auscultation detector, auscultation system and auscultation method to guide rapid auscultation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a heart and lung sound auscultation detector, auscultation system and auscultation method for guiding rapid auscultation, effectively solving the problem that the traditional stethoscope in the remote heart and lung sound disease diagnosis process is mainly that medical personnel know a certain body sound waveform or a certain body sound from a computer screen. The condition corresponding to the individual sound leads to the failure to guide the complete listening position, too much reliance on the actual experience of medical staff, unreliable auscultation results, and the need for expensive computers.

The technical solution adopted by the present invention to solve the technical problem is as follows: a heart and lung sound auscultation detector for guiding rapid auscultation, the detector includes: a power module, a processor, a touch display screen, a storage, a signal transmission module, a power module They are respectively electrically connected with the processor, the touch display screen and the signal transmission module.

The storage is provided with an operating system, a cardiopulmonary sound signal classification program, and a cardiopulmonary sound auscultation location recognition program.

The signal transmission module is used to receive the heart and lung sound signals converted by the electronic stethoscope.

The processor is used to convert the heart and lung sound signals of preset duration received by the signal transmission module and sent by the electronic stethoscope into the heart and lung sound signals to be classified, and compare the heart and lung sound signals to be classified with the signal classification model in the heart and lung sound signal classification program and determine the type. , send the type and the waveform of the cardiopulmonary sound signal to be classified to the touch screen, and the touch screen displays a report, which includes the type displayed in text and the cardiopulmonary sound to be classified in waveform.

The processor is also used to send the auscultation position indication signals in the heart and lung sound auscultation position indication program to the touch screen in order to display the auscultation position indication, when the processor receives a preset duration of the heart and lung sound signals to be classified and displays the type and waveform Then send the next auscultation position indication signal to the touch screen to display the next auscultation position indication.

The auscultation position indication is displayed at a position on the human body pattern displayed on the touch screen.

When the heart and lung sound signal to be classified does not reach the preset duration, the processor sends an alarm signal to the touch screen, and the touch screen displays the alarm.

The touch display is also used to input control commands to the processor.

The control command includes a command for switching the heart and lung sounds to the processor.

The storage is also used for storing the cardiopulmonary sound signal to be classified and the determined cardiopulmonary sound type obtained by conversion by the processor.

An auscultation system includes an electronic stethoscope, an earphone, and the above-mentioned detector, a signal transmission module of the detector is signally connected to the electronic stethoscope, and the earphone is signally connected to the electronic stethoscope or/and the signal transmission module.

The signal transmission module is a wireless communication module, the electronic stethoscope and the earphone are wireless devices, the signal transmission module is wirelessly connected to the electronic stethoscope, and the earphone is wirelessly connected to the electronic stethoscope or/and the signal transmission module.

An auscultation method includes the following steps.

The touch screen displays the auscultation position indication according to the auscultation position indication signal in the heart and lung sound auscultation position indication procedure.

The signal transmission module receives the heart and lung sound signals of preset duration sent by the electronic stethoscope.

The processor converts the cardiopulmonary sound signals into cardiopulmonary sound signals to be classified.

The processor compares the cardiopulmonary sound signal to be classified with the signal classification model in the cardiopulmonary sound signal classification program and determines the type.

The processor sends the type and waveform of the cardiopulmonary sound signal to be classified to the touchscreen display for display.

When a preset duration of auscultation ends, the processor sends the next auscultation position indication signal to the touch screen in sequence according to the auscultation position indication signal in the heart and lung sound auscultation position indication program, and the touch screen displays the next auscultation position indication.

The auscultation position indication is displayed at a position on the human body pattern displayed on the touch screen.

When the heart and lung sound signal to be classified does not reach the preset duration, the processor sends an alarm signal to the touch screen, and the touch screen displays the alarm.

It also includes the step of issuing the heart and lung sound switching command to the processor by touching the display screen.

It also includes the step of storing the cardiopulmonary sound signal to be classified and the determined cardiopulmonary sound type converted by the processor for the user to consult.

The beneficial effects of the present invention are:

The present invention adopts the above technical scheme, displays the collected heart and lung sound waveforms through a visual detector, indicates the auscultation position on the display screen, and instructs the doctor to auscultate in sequence, so that the auscultation report can be obtained conveniently, quickly and accurately. This product makes up for the auscultation and judgment ability of grassroots medical staff, interns, and regular trainees, reduces the probability of patients undergoing CT, B-ultrasound and other health-damaging tests during the initial diagnosis process, saves medical resources, and reduces patient medical expenses.

This can effectively solve the problem that the traditional stethoscope in the remote heart and lung sound disease diagnosis process is mainly because the medical staff learns a certain body sound waveform or the corresponding condition of a certain body sound from the computer screen, resulting in the failure to guide the complete listening position and relying too much on the medical staff. Practical experience, unreliable auscultation results, and the need to equip an expensive computer, and the present invention has the characteristics of simple structure, convenient use, safety and durability.

Description of drawings

FIG. 1 is a wire frame diagram of the detector of the present invention.

FIG. 2 is a schematic structural diagram of the detector of the present invention.

FIG. 3 is a schematic structural diagram of the sterilizing device for the detector according to the present invention.

FIG. 4 is a schematic structural diagram of the auscultation system of the present invention.

FIG. 5 is a schematic diagram of the steps of the auscultation method of the present invention.

Detailed ways

Hereinafter, various embodiments of the present invention will be described more fully. The present invention is capable of various embodiments, and modifications and changes may be made therein. It should be understood, however, that there is no intention to limit the various embodiments of the invention to the specific embodiments disclosed herein, but the invention should be construed to cover various embodiments that fall within the spirit and scope of the invention. All adjustments, equivalents and/or alternatives.

Hereinafter, the terms "comprising" or "may include" as may be used in various embodiments of the present invention indicate the presence of a disclosed function, operation or element and do not limit the identity of one or more functions, operations or elements Increase. Furthermore, as used in various embodiments of the present invention, the terms "comprising", "having" and their cognates are only intended to mean a particular feature, number, step, operation, element, component or combination of the foregoing, and should not be construed as first excluding the presence of or adding one or more other features, numbers, steps, operations, elements, components or combinations of the foregoing or the possibility of a combination of the foregoing.

Expressions (such as "first", "second", etc.) used in the various embodiments of the present invention may modify various constituent elements in the various embodiments, but may not limit the corresponding constituent elements. For example, the above expressions do not limit the order and/or importance of the elements described. The above expressions are only used for the purpose of distinguishing one element from other elements. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.

The terminology used in the various embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the various embodiments of the present invention. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of this invention belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having the same meaning as the contextual meaning in the relevant technical field and will not be interpreted as having an idealized or overly formal meaning, unless explicitly defined in the various embodiments of the present invention.

As shown in FIG. 1 and FIG. 2, it shows a heart and lung sound auscultation detector for guiding rapid auscultation. The detector 100 includes: a power module 1, a processor 2, a touch display screen 3, a storage 4, a signal transmission Module 5, the power supply module 1 is electrically connected to the processor 2, the touch display screen 3, and the signal transmission module 5, respectively.

The memory 4 is provided with an operating system 41, a cardiopulmonary sound signal classification program 42, and a cardiopulmonary sound auscultation position indication program 43. The memory 4 can also store the to-be-classified cardiopulmonary sound signal converted by the processor and the determined cardiopulmonary sound type. Preferably, the storage 4 is a NandFlash storage.

The signal transmission module 5 is used for receiving the heart and lung sound signals converted by the electronic stethoscope.

The processor 2 is used to convert the cardiopulmonary sound signal received by the signal transmission module 5 into a cardiopulmonary sound signal to be classified, compare the cardiopulmonary sound signal to be classified with the signal classification model in the cardiopulmonary sound signal classification program 42 and determine the type, And the waveform of the heart and lung sound signal to be classified is sent to the touch screen 3, the touch screen 3 displays the type in text form, and the heart and lung sound to be classified in waveform form; The auscultation position indication signal is sent to the touch screen 3 in sequence to display the auscultation position indication. When the processor 2 receives a preset duration of the heart and lung sound signal to be classified and displays the type and waveform, it sends the next auscultation position indication signal to the touch screen. 3 Displays the next auscultation position indication. When in use, the touch screen 3 displays the auscultation position indication on the human body pattern. At this time, the doctor places the electronic stethoscope 200 on the body position corresponding to the patient to listen for a preset duration, and the processor 2 receives a preset duration of waiting. When classifying the cardiopulmonary sound signal, the storage 4 stores the cardiopulmonary sound signal to be classified at the classification position, and the processor 2 compares the cardiopulmonary sound signal to be classified with the signal classification model in the cardiopulmonary sound signal classification program 42 and determines the type, and compares the type with the signal classification model. The waveform of the cardiopulmonary sound signal to be classified is sent to the touch screen 3 for display, and the doctor can check the stored cardiopulmonary sound type and waveform to be classified at any time. When a preset duration of listening is over and the type and waveform are displayed, the processor 2 sends the next auscultation position indication signal to the touch screen 3, and the touch screen 3 displays the next auscultation position indication on the human body pattern. Types of heart sounds determined by auscultation of heart sounds, such as: normal heart sounds, sinus tachycardia, sinus bradycardia, mitral valve insufficiency, heart failure, infarction, low sound, mitral valve insufficiency, aortic stenosis, relative pulmonary artery closure incomplete. The types of lung sounds determined by auscultation of lung sounds are: normal breath sounds/bronchial breath sounds/young, breathing rhythm/tidal breathing, breathing rhythm can/stop breathing, abnormal alveolar breath sounds/enhanced breath sounds, abnormal alveolar breath sounds/broken breaths Continuous breath sounds, abnormal bronchial breath sounds/lung consolidation, wet rales/non-loud coarse wet rales.

The detector 100 has a built-in built-in speaker 8 that is electrically connected to the processor 2. Preferably, the built-in speaker 8 is a high-fidelity speaker, which frees the doctor's ears and avoids the risk of disease infection caused by wearing headphones or earpieces.

Preferably, when the heart and lung sound signal to be classified does not reach the preset duration, the processor sends an alarm signal to the touch screen 3, and the touch screen 3 displays the alarm. At the same time, the processor sends an alarm signal to the built-in speaker 8, and the alarm is displayed by the built-in speaker 8.

The touch screen 3 is used to display heart and lung sound waveform, signal classification model, determined heart and lung sound type, auscultation position indication determined by the auscultation position indication signal, heart rate, respiratory rate and other report contents, and input control commands to the processor. The user can issue an order to switch the heart and lung sounds on the touch screen 3 . Preferably, the touch display screen 3 is a 10-inch touch TFT display screen.

The detector 100 has a built-in printer 6 signally connected to the processor for printing reports, which is convenient and quick. Preferably, the printer 6 is a thermal printer.

The detector 100 is further provided with an identity information reader 10 electrically connected to the processor 2 for reading the patient identity information carrier in the information carrier. Preferably, the identity information reader is a two-dimensional code reader for decoding the two-dimensional code to obtain patient identity information. The storage 4 stores patient identification information. The patient identity information includes name, medical record, blood type, age, gender, and the like.

The electronic stethoscope 200 is provided with an action response device. When the electronic stethoscope 200 is picked up, the action response device senses the action and sends a signal to the signal transmission module 5. The processor 2 turns on the heart sound mode or the lung sound mode, and touches the display screen 3. The corresponding mode interface is displayed. Preferably, the motion response device is a gravity sensor.

The detector 100 has a built-in charging box 7 electrically connected to the power module 1 for charging the electronic stethoscope 200 and the earphone 300 . The charging box 7 is signal-connected to the processor 2. When the electronic stethoscope 200 is put into the charging box 7 for charging, the processor 2 controls the printer 6 to print a report; when the electronic stethoscope 200 is taken out from the charging box 7, the electronic stethoscope 200 is automatically turned on. When the earphone 300 is taken out from the charging box 7 , the processor 2 controls the signal transmission module 5 of the detector 100 to connect the earphone 300 with a signal, and the processor 2 sends a signal to the touch screen 3 to indicate that the earphone 300 is connected.

The detector 100 is provided with an operation button 9 signally connected to the processor 2, and the operation button 9 can make commands to the processor 2, such as starting and closing the detector, printing a report, switching heart and lung sounds, and adjusting the volume.

Preferably, the detector 100 displays a calendar when in standby.

It also includes a disinfection device 11 electrically connected to the power supply module 1. The electronic stethoscope 200 is placed on the disinfection device 11 for disinfection, so that each auscultation can be performed under safe and hygienic conditions to avoid disease infection caused by auscultation.

The disinfection device 11 includes a liquid storage chamber 12 and an atomization device 13 located in the liquid storage chamber 12. When in use, the disinfectant is poured into the liquid storage chamber 12. 200 for disinfection.

As shown in FIG. 3, the bottom of the atomizing device 13 is connected to the liquid-absorbing mandrel 14 leading to the bottom of the liquid storage cavity 12. The atomizing device 13 is an ultrasonic atomizing device, and the liquid-absorbing mandrel 14 sucks the disinfectant into the atomization during use Vibration atomization is performed at the device 13 , so as to fully sterilize the electronic stethoscope 200 .

The sterilizing device 11 also includes an ultraviolet lamp 15 that emits light toward the diaphragm of the electronic stethoscope 200, which can further sterilize.

The disinfection device 11 also includes a limiter 16 that accommodates the diaphragm of the electronic stethoscope 200, and the liquid storage cavity 12 is located below the surrounding area of the limiter 16, and can accurately place the diaphragm to the disinfection position to ensure the disinfection effect. .

The limiting member 16 is a concave cavity, which can well accommodate the electronic stethoscope 200 .

Preferably, an object sensing device 17 located at the sterilizing device 11 is also included, and the processor 2 is signally connected to the object sensing device 17 and the sterilizing device 11 . During use, when the electronic stethoscope 200 is placed on the sterilizing device 11, the object sensing device 17 senses the electronic stethoscope 200 and sends a signal to the processor 2, and the processor 2 turns on the sterilizing device 17 for sterilization, while the processor 2 turns off the touch display. On the screen 3, the signal transmission module 5 also sends a closing signal to the electronic stethoscope 200 to close, and the auscultation is ended. When the electronic stethoscope 200 is picked up, the object sensing device 17 sends a signal to the processor 2, the processor 2 turns on the touch screen 3 and turns off the disinfection device 11, and the signal transmission module 5 also sends a turn-on signal to the electronic stethoscope 200 to turn on and start auscultation.

It also includes a constant temperature device 18 that is electrically connected to the power supply module 1. The electronic stethoscope 200 is placed on the constant temperature device 18 for heating, so that the diaphragm of the electronic stethoscope 200 is close to body temperature, and the patient will not feel that the electronic stethoscope 200 is cold during auscultation, and the auscultation process is comfortable. Especially suitable for cold areas in winter.

The constant temperature device 18 includes a heating body 19 , and the heating body 19 is located above the liquid storage chamber 12 .

The thermostat 18 is also signally connected to the processor 2 . When in use, when the electronic stethoscope 200 is placed on the thermostat 18, the object sensing device 17 senses the electronic stethoscope 200 and sends a signal to the processor 2, and the processor 2 turns on the thermostat 18 to heat the electronic stethoscope 200, while the processor 2. Turn off the touch screen 3, and the signal transmission module 5 also sends a shutdown signal to the electronic stethoscope 200 to turn it off and end the auscultation. When the electronic stethoscope 200 is picked up, the object sensing device 17 sends a signal to the processor 2, the processor 2 turns on the touch screen 3 and turns off the thermostat 18, and the signal transmission module 5 also sends a turn-on signal to the electronic stethoscope 200 to turn on and start auscultation.

Preferably, the optimal temperature of the thermostatic device is set at 40°C, which enables the patient to obtain a more comfortable temperature.

An auscultation system, as shown in FIG. 4 , includes an electronic stethoscope 200, an earphone 300, and the above-mentioned detector 100. The signal transmission module 5 of the detector 100 is signally connected to the electronic stethoscope 200, and the earphone 300 is connected to the electronic stethoscope 200 or/or and signal connection with the signal transmission module 5 .

Preferably, the signal transmission module 5 is a wireless communication module, the electronic stethoscope 200 and the earphone 300 are wireless devices, the signal transmission module 5 is wirelessly connected to the electronic stethoscope 200 , and the earphone 300 is wirelessly connected to the electronic stethoscope 200 or/and the signal transmission module 5 communication connection.

An auscultation method, as shown in Figure 4, includes the following steps.

The touch screen 3 displays the auscultation position indication according to the auscultation position indication signal in the heart and lung sound auscultation position indication program 43 .

The signal transmission module 5 receives the heart and lung sound signals of a preset duration sent by the electronic stethoscope.

The processor 2 converts the cardiopulmonary sound signal into the cardiopulmonary sound signal to be classified.

The processor 2 compares the cardiopulmonary sound signal to be classified with the signal classification model in the cardiopulmonary sound signal classification program 42 and determines the type.

The processor 2 sends the type and the waveform of the cardiopulmonary sound signal to be classified to the touch screen 3 for display.

When a preset duration of listening is over, the processor 2 sends the next auscultation position indication signal to the touch screen 3 in sequence according to the auscultation position indication signal in the heart and lung sound auscultation position indication program 43, and the touch screen 3 displays the next auscultation position indication signal. Auscultation position indication.

The auscultation position indication is displayed at a position on the human body pattern displayed on the touch screen 3 .

When the heart and lung sound signal to be classified does not reach the preset duration, the processor 2 sends an alarm signal to the touch screen 3, and the touch screen 3 displays the alarm.

It also includes the step of issuing a heart and lung sound switching command to the processor 2 by touching the display screen 3 .

It also includes the step of storing the cardiopulmonary sound signal to be classified and the determined cardiopulmonary sound type converted and obtained by the processor 2 in the memory 4 for the user to consult.

This kind of structure is simple, easy to use, safe and durable, and can effectively solve the problem that the traditional stethoscope in the remote heart and lung sound disease diagnosis process is mainly caused by medical personnel learning a certain body sound waveform or a disease corresponding to a certain body sound from the computer screen, resulting in failure to guide Complete listening position, over-reliance on the practical experience of medical staff, unreliable auscultation results, and the need for expensive computers.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of various equivalents within the technical scope disclosed by the present invention. Modifications or substitutions should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (13)

1. A heart and lung sound auscultation detector for guiding rapid auscultation, the detector (100) comprising: a power module (1), a processor (2), a touch display screen (3), a storage (4), and a signal transmission module (5), the power supply module (1) is respectively electrically connected with the processor (2), the touch display screen (3), and the signal transmission module (5); The storage (4) is provided with an operating system (41), a cardiopulmonary sound signal classification program (42), and a cardiopulmonary sound auscultation position recognition program (43); The signal transmission module (5) is used for receiving the cardiopulmonary sound signal converted by the electronic stethoscope; The processor (2) is configured to convert the cardiopulmonary sound signal of a preset duration received by the signal transmission module (5) and sent by the electronic stethoscope into a cardiopulmonary sound signal to be classified, and classify the cardiopulmonary sound signal to be classified and the cardiopulmonary sound signal classification program (42) Compare and determine the type of the signal classification model in Cardiopulmonary sounds to be classified displayed in waveform form; The processor (2) is further configured to send the auscultation position indication signals in the heart and lung sound auscultation position indication program (43) to the touch display screen (3) in order to display the auscultation position indication, when the processor (2) receives a preset After the duration of the heart and lung sound signals to be classified and the type and waveform are displayed, the next auscultation position indication signal is sent to the touch screen (3) to display the next auscultation position indication. 2 . The heart and lung sound auscultation detector for guiding rapid auscultation according to claim 1 , wherein the auscultation position indication is displayed at a position on the human body pattern displayed on the touch screen ( 3 ). 3 . 3. The heart and lung sound auscultation detector for guiding rapid auscultation according to claim 1, characterized in that: when the heart and lung sound signal to be classified does not reach a preset duration, the processor (2) sends a message to the touch screen (3) Alarm signal, the alarm is displayed by the touch screen (3). 4 . The heart and lung sound auscultation detector for guiding rapid auscultation according to claim 1 , wherein the touch screen ( 3 ) is also used to input control commands to the processor ( 2 ). 5 . 5 . The heart and lung sound auscultation detector for guiding rapid auscultation according to claim 4 , wherein the control command comprises an order for the processor ( 2 ) to switch the heart and lung sound. 6 . 6 . The heart and lung sound auscultation detector for guiding rapid auscultation according to any one of claims 1 to 5 , wherein the storage ( 4 ) is further used to store the heart and lung to be classified obtained by conversion by the processor ( 2 ). sound signal and identified cardiopulmonary sound type. 7. An auscultation system, the auscultation system comprising an electronic stethoscope (200), an earphone (300), and the detector (100) according to any one of claims 1 to 8, a signal of the detector (100) The transmission module (5) is signal-connected with the electronic stethoscope (200), and the earphone (300) is signal-connected with the electronic stethoscope (200) or/and the signal transmission module (5). 8. The auscultation system according to claim 7, characterized in that: the signal transmission module (5) is a wireless communication module, the electronic stethoscope (200) and the earphone (300) are wireless devices, and the signal transmission module (5) is connected to The electronic stethoscope (200) is connected by wireless communication, and the earphone (300) is connected by wireless communication with the electronic stethoscope (200) or/and the signal transmission module (5). 9. a kind of auscultation method, is characterized in that, comprises the following steps: Touch the display screen (3) to display the auscultation position indication according to the auscultation position indication signal in the heart and lung sound auscultation position indication program (43); The signal transmission module (5) receives the heart and lung sound signal of preset duration sent by the electronic stethoscope; The processor (2) converts the cardiopulmonary sound signal into the cardiopulmonary sound signal to be classified; The processor (2) compares the cardiopulmonary sound signal to be classified with the signal classification model in the cardiopulmonary sound signal classification program (42) and determines the type; The processor (2) sends the type and the waveform of the cardiopulmonary sound signal to be classified to the touch screen (3) for display; When a preset duration of auscultation ends, the processor (2) sends the next auscultation position indication signal to the touch screen (3) in sequence according to the auscultation position indication signal in the heart and lung sound auscultation position indication program (43), and touches the Display (3) shows the next auscultation position indication. 10 . The auscultation method according to claim 9 , wherein the auscultation position indication is displayed at a position on the human body pattern displayed on the touch screen (3). 11 . 11. The auscultation method according to claim 9 or 10, characterized in that: when the heart and lung sound signal to be classified does not reach a preset duration, the processor (2) sends an alarm signal to the touch screen (3), and the touch Display (3) shows an alarm. 12. The auscultation method according to claim 9 or 10, characterized in that it further comprises the step of issuing a cardiopulmonary sound switching command to the processor (2) by touching the display screen (3). 13. The auscultation method according to claim 9 or 10, characterized in that: it further comprises the step of storing the cardiopulmonary sound signal to be classified and the determined cardiopulmonary sound type obtained by the processor (2) converted by the memory (4) for the user to consult .

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