CN216135909U - Intelligent stethoscope control circuit, intelligent stethoscope and electronic device - Google Patents

Intelligent stethoscope control circuit, intelligent stethoscope and electronic device Download PDF

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Publication number
CN216135909U
CN216135909U CN202121720325.9U CN202121720325U CN216135909U CN 216135909 U CN216135909 U CN 216135909U CN 202121720325 U CN202121720325 U CN 202121720325U CN 216135909 U CN216135909 U CN 216135909U
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sound signal
control circuit
unit
electrocardiosignal
electrically connected
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刘民
乐承筠
徐洪亮
梅志
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Shanghai Duowen Medical Technology Co ltd
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Shanghai Minimally Invasive Digital Micro Medical Technology Co ltd
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Priority to PCT/CN2022/107683 priority patent/WO2023005891A1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30Input circuits therefor
    • A61B5/307Input circuits therefor specially adapted for particular uses
    • A61B5/308Input circuits therefor specially adapted for particular uses for electrocardiography [ECG]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316Modalities, i.e. specific diagnostic methods
    • A61B5/318Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/332Portable devices specially adapted therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00Instruments for auscultation
    • A61B7/02Stethoscopes
    • A61B7/04Electric stethoscopes

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Acoustics & Sound (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

The utility model relates to an intelligent stethoscope control circuit, an intelligent stethoscope and electronic equipment, wherein the circuit comprises a cardiopulmonary sound signal acquisition unit, an electrocardiosignal acquisition unit and a processing module, wherein the cardiopulmonary sound signal acquisition unit is used for acquiring an initial cardiopulmonary sound signal of a target object; the electrocardiosignal acquisition unit is used for acquiring an initial electrocardiosignal of the target object; the processing module is electrically connected with the cardiopulmonary sound signal acquisition unit and the electrocardiosignal acquisition unit, and is used for receiving and processing the initial cardiopulmonary sound signal to generate a target cardiopulmonary sound signal and also used for receiving and processing the initial electrocardiosignal to generate a target electrocardiosignal. The method and the device have the advantages that the cardiopulmonary sounds of the target object can be captured, the electrocardiosignals of the target object can be measured, and therefore doctors are assisted to provide more diagnosis information.

Description

Intelligent stethoscope control circuit, intelligent stethoscope and electronic device
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an intelligent stethoscope control circuit, an intelligent stethoscope and an electronic device.
Background
The stethoscope is widely used in clinical application, and medical staff can judge whether pathological changes exist in relevant organs or not according to the characteristics and changes of sound, such as the frequency and intensity of the sound, the interval time of the sound, whether murmurs exist or not and the like.
The electronic stethoscope amplifies the sound of human organs by using an electronic technology, converts the physical characteristics of the sound into an electric signal, and performs amplification processing to obtain a better listening effect.
However, the conventional electronic stethoscope only has an auscultation function, provides a small number of parameters to a doctor, and does not have a function of assisting the doctor to comprehensively check the cardiopulmonary status of a patient.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide an intelligent stethoscope control circuit, an intelligent stethoscope, and an electronic device, which can capture cardiopulmonary sounds of a target object and measure cardiac signals of the target object, so as to assist a doctor in providing more diagnostic information.
In order to achieve the above and other objects, an aspect of the present application provides an intelligent stethoscope control circuit, including a heart-lung sound signal collecting unit, an electrocardiograph signal collecting unit, and a processing module, where the heart-lung sound signal collecting unit is configured to collect an initial heart-lung sound signal of a target subject; the electrocardiosignal acquisition unit is used for acquiring an initial electrocardiosignal of the target object; the processing module is electrically connected with the cardiopulmonary sound signal acquisition unit and the electrocardiosignal acquisition unit, and is used for receiving and processing the initial cardiopulmonary sound signal to generate a target cardiopulmonary sound signal and also used for receiving and processing the initial electrocardiosignal to generate a target electrocardiosignal.
In the intelligent stethoscope control circuit in the above embodiment, a cardiopulmonary sound signal acquisition unit is arranged to acquire an initial cardiopulmonary sound signal of a target object, and an electrocardiographic signal acquisition unit is arranged to acquire an initial electrocardiographic signal of the target object; and the processing module is electrically connected with the cardiopulmonary sound signal acquisition unit and the electrocardiosignal acquisition unit, receives and processes the initial cardiopulmonary sound signal to generate a target cardiopulmonary sound signal, and receives and processes the initial electrocardiosignal to generate a target electrocardiosignal. The method can capture the cardiopulmonary sounds of the target object and measure the electrocardiosignals of the target object so as to assist doctors to provide more diagnostic information.
In one embodiment, the processing module includes a signal processing unit and a microprocessor, the signal processing unit is electrically connected to the cardiopulmonary sound signal acquisition unit and the electrocardiographic signal acquisition unit, and is configured to process and convert the received initial cardiopulmonary sound signal to generate a digital cardiopulmonary sound signal, and is further configured to process and convert the received initial electrocardiographic signal to generate a digital cardiopulmonary sound signal; the microprocessor is electrically connected with the signal processing unit and is used for generating the target heart-lung sound signal according to the received digital heart-lung sound signal and generating the target electrocardiosignal according to the received digital electrocardiosignal.
In one embodiment, the intelligent stethoscope control circuit further comprises a display unit electrically connected to the microprocessor for displaying the waveform of the target cardiorespiratory signal and/or the waveform of the target cardiorespiratory signal; wherein the microprocessor is configured to:
acquiring a mode operation signal;
and controlling the display unit to output the target heart-lung sound signal and/or the target electrocardiosignal according to the mode operation signal.
In one embodiment, the display unit includes a touch display screen or a display screen electrically connected to the microprocessor.
In one embodiment, the display unit further comprises a sound output unit, the sound output unit is electrically connected with the microprocessor and is used for outputting the sound of the target heart-lung sound signal and/or the sound of the target electrocardio signal; wherein the microprocessor is further configured to:
acquiring a volume adjusting signal;
and controlling the volume of the sound output by the sound output unit according to the volume adjusting signal.
In one embodiment, the heart-lung sound signal collecting unit includes a piezoelectric sensor module electrically connected to the processing module for collecting the initial heart-lung sound signal.
In one embodiment, the piezoelectric sensor module comprises a piezoelectric sensor and a noise reduction component, wherein the piezoelectric sensor is used for acquiring the initial heart-lung sound signal; the noise reduction component is arranged on the surface of the piezoelectric sensor close to and/or far away from the processing module and used for reducing noise signals collected by the piezoelectric sensor.
In one embodiment, the piezoelectric sensor comprises a piezoelectric ceramic piece and/or a piezoelectric quartz crystal.
In one embodiment, the electrocardiosignal acquisition unit comprises a first electrode acquisition unit, a second electrode acquisition unit and a third electrode acquisition unit, and the first electrode acquisition unit is electrically connected with the processing module; the second electrode acquisition unit is electrically connected with the processing module; the third electrode acquisition unit is electrically connected with the processing module and is configured as a right leg driving electrode; the first electrode acquisition unit and the second electrode acquisition unit are used for acquiring the initial electrocardiosignals.
The third electrode pickup unit is configured as a right leg driving electrode. The first electrode acquisition unit and the second electrode acquisition unit can be used for acquiring electrocardiosignals of a target object.
In one embodiment, the signal processing unit includes a filtering unit, an amplifying unit and an analog-to-digital conversion unit, where the filtering unit is electrically connected to the cardiopulmonary sound signal collecting unit and the electrocardiographic signal collecting unit, and is configured to perform filtering processing on the received initial cardiopulmonary sound signal to generate a filtered cardiopulmonary sound signal, and further configured to perform filtering processing on the received initial electrocardiographic signal to generate a filtered electrocardiographic signal; the amplifying unit is electrically connected with the filtering unit and is used for amplifying the received filtered cardiopulmonary sound signal to generate an amplified cardiopulmonary sound signal and also used for amplifying the received filtered electrocardiosignal to generate an amplified electrocardiosignal; the analog-to-digital conversion unit is electrically connected with the amplification unit and is used for performing analog-to-digital conversion processing on the received amplified cardiopulmonary sound signal to generate the digital cardiopulmonary sound signal and also used for performing analog-to-digital conversion processing on the received amplified electrocardiograph signal to generate the digital cardiopulmonary sound signal.
In one embodiment, the processing module further comprises a wireless communication unit electrically connected with the microprocessor; the microprocessor is in communication connection with the terminal equipment through the wireless communication unit so as to transmit the target heart-lung sound signal and/or the target electrocardiosignal to the terminal equipment.
In one embodiment, the wireless communication unit comprises a bluetooth module.
In one embodiment, the processing module further comprises a storage unit electrically connected to the microprocessor for locally storing the target heart-lung sound signal and/or the target electrocardiosignal.
In one embodiment, the intelligent stethoscope control circuit further comprises a power supply module; the power supply module comprises a battery module and a power supply control circuit; the power supply control circuit is electrically connected with the battery module and used for outputting electric energy outwards according to the real-time electric quantity of the battery module; the power supply control circuit comprises at least one of a charging chip, an electric quantity metering chip and a low-voltage linear voltage stabilizer.
Another aspect of the present application provides an intelligent stethoscope, including any one of the intelligent stethoscope control circuits and a housing as described in the embodiments of the present application, the housing being configured to house the intelligent stethoscope control circuit. An intelligent stethoscope is provided which can capture both cardiopulmonary sounds and cardiac electrical signals of a target object to assist a doctor in providing more diagnostic information.
Still another aspect of the present application provides an electronic device including the intelligent stethoscope control circuit according to any one of the embodiments of the present application, which is capable of capturing cardiopulmonary sounds of a target object and measuring cardiac electrical signals of the target object, so as to assist a doctor in providing more diagnostic information.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain drawings of other embodiments based on these drawings without any creative effort.
Fig. 1 is a schematic circuit diagram of an intelligent stethoscope control circuit provided in a first embodiment of the present application;
fig. 2 is a schematic circuit diagram of an intelligent stethoscope control circuit provided in a second embodiment of the present application;
fig. 3 is a schematic circuit diagram of an intelligent stethoscope control circuit provided in a third embodiment of the present application;
fig. 4 is a schematic circuit diagram of an intelligent stethoscope control circuit provided in a fourth embodiment of the present application;
fig. 5 is a schematic circuit diagram of an intelligent stethoscope control circuit provided in a fifth embodiment of the present application;
fig. 6 is a schematic structural diagram of a piezoelectric sensor module according to a sixth embodiment of the present application;
fig. 7 is a schematic circuit diagram of an intelligent stethoscope control circuit provided in a seventh embodiment of the present application;
fig. 8 is a schematic circuit diagram of an intelligent stethoscope control circuit provided in an eighth embodiment of the present application;
fig. 9 is a schematic circuit diagram of an intelligent stethoscope control circuit provided in a ninth embodiment of the present application.
Description of reference numerals:
100. an intelligent stethoscope control circuit; 10. a heart-lung sound signal acquisition unit; 11. a piezoelectric sensor module; 111. a piezoelectric sensor; 112. a noise reduction component; 20. an electrocardiosignal acquisition unit; 21. a first electrode acquisition unit; 22. a second electrode acquisition unit; 23. a third electrode acquisition unit; 30. a processing module; 31. a signal processing unit; 32. a microprocessor; 33. a wireless communication unit; 331. a Bluetooth module; 34. a storage unit; 40. a display unit; 41. a touch display screen; 42. a sound output unit; 50. a power supply module; 51. a battery module; 52. a power supply control circuit; 521. a charging chip; 522. an electric quantity metering chip; 523. a low voltage linear regulator; 200. and (4) terminal equipment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Where the terms "comprising," "having," and "including" are used herein, another element may be added unless an explicit limitation is used, such as "only," "consisting of … …," etc. Unless mentioned to the contrary, terms in the singular may include the plural and are not to be construed as being one in number.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. 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 the present application.
In this application, unless otherwise expressly stated or limited, the terms "connected" and "connecting" are used broadly and encompass, for example, direct connection, indirect connection via an intermediary, communication between two elements, or interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The electronic stethoscope can provide the cardiopulmonary sound of the patient for the medical staff so that the medical staff can judge whether the relevant organs have pathological changes. The single-lead electrocardiogram equipment is convenient and quick to use, is popular, has strong operability, is widely applied to health monitoring, disease initial diagnosis and postoperative follow-up diagnosis, can provide useful information for arrhythmia risk judgment, and is used for preliminarily screening diseases such as premature beat, atrial fibrillation and various arrhythmia.
However, the conventional electronic stethoscope only has an auscultation function, provides a small number of parameters to a doctor, and does not have a function of assisting the doctor to comprehensively check the cardiopulmonary status of a patient.
The intelligent stethoscope control circuit, the intelligent stethoscope and the electronic device can capture cardiopulmonary sounds of a target object and measure electrocardiosignals of the target object, so that doctors can be assisted to provide more diagnostic information.
Referring to fig. 1, in an embodiment of the present application, an intelligent stethoscope control circuit 100 is provided, which includes a cardiopulmonary sound signal collecting unit 10, an electrocardiographic signal collecting unit 20, and a processing module 30, wherein the cardiopulmonary sound signal collecting unit 10 is configured to collect an initial cardiopulmonary sound signal of a target object; the electrocardiosignal acquisition unit 20 is used for acquiring an initial electrocardiosignal of the target object; the processing module 30 is electrically connected to both the cardiopulmonary sound signal collecting unit 10 and the electrocardiographic signal collecting unit 20, and is configured to receive and process the initial cardiopulmonary sound signal to generate a target cardiopulmonary sound signal, and further to receive and process the initial electrocardiographic signal to generate a target electrocardiographic signal.
With reference to fig. 1, the cardiopulmonary sound signal acquisition unit 10 is configured to acquire an initial cardiopulmonary sound signal of the target object, and the electrocardiographic signal acquisition unit 20 is configured to acquire an initial electrocardiographic signal of the target object; so that the processing module 30, which is electrically connected to both the cardiopulmonary sound signal collecting unit 10 and the electrocardiographic signal collecting unit 20, receives and processes the initial cardiopulmonary sound signal to generate a target cardiopulmonary sound signal, and receives and processes the initial electrocardiographic signal to generate a target electrocardiographic signal. The method can capture the cardiopulmonary sounds of the target object and measure the electrocardiosignals of the target object so as to assist doctors to provide more diagnostic information.
As an example, referring to fig. 2, the processing module 30 includes a signal processing unit 31 and a microprocessor 32, the signal processing unit 31 is electrically connected to both the cardiopulmonary sound signal collecting unit 10 and the electrocardiographic signal collecting unit 20, and is configured to process and convert the received initial cardiopulmonary sound signal to generate a digital cardiopulmonary sound signal, and further to process and convert the received initial electrocardiographic signal to generate a digital cardiopulmonary sound signal; the microprocessor 32 is electrically connected to the signal processing unit 31, and is configured to generate a target cardiopulmonary signal according to the received digital cardiopulmonary sound signal, and further configured to generate a target electrocardiographic signal according to the received digital electrocardiographic signal.
As an example, the signal processing unit 31 includes a filtering unit, an amplifying unit and an analog-to-digital converting unit, where the filtering unit is electrically connected to both the cardiopulmonary sound signal collecting unit 10 and the electrocardiographic signal collecting unit 20, and is configured to perform filtering processing on the received initial cardiopulmonary sound signal to generate a filtered cardiopulmonary sound signal, and further to perform filtering processing on the received initial electrocardiographic signal to generate a filtered electrocardiographic signal; the amplifying unit is electrically connected with the filtering unit and is used for amplifying the received filtered cardiopulmonary sound signal to generate an amplified cardiopulmonary sound signal and also used for amplifying the received filtered electrocardiosignal to generate an amplified electrocardiosignal; the analog-to-digital conversion unit is electrically connected with the amplification unit and is used for performing analog-to-digital conversion processing on the received amplified cardiopulmonary sound signal to generate the digital cardiopulmonary sound signal and also used for performing analog-to-digital conversion processing on the received amplified electrocardiograph signal to generate the digital cardiopulmonary sound signal.
As an example, referring to fig. 3, the intelligent stethoscope control circuit 100 further includes a display unit 40, wherein the display unit 40 is electrically connected to the microprocessor 32 and is configured to display the waveform of the target heart-lung sound signal and/or the waveform of the target electrocardio signal; wherein the microprocessor 32 is configured to:
acquiring a mode operation signal;
and controlling the display unit 40 to output the target heart-lung sound signal and/or the target electrocardio signal according to the mode operation signal.
Specifically, if the user wants to monitor the cardiopulmonary sound signal to primarily detect whether there is abnormality in the heart and lung, the microprocessor 32 may be controlled to be in the cardiopulmonary sound working mode, and the waveform of the target cardiopulmonary sound signal is observed through the display unit 40; if the user wants to monitor the electrocardiosignals, and whether the heart is abnormal or not is preliminarily detected, the microprocessor 32 can be controlled to be in an electrocardio working mode, so that the waveform of the target electrocardiosignals can be observed through the display unit 40; the user can also control the microprocessor 32 to be in the compound operation mode to simultaneously observe the waveform of the target cardiorespiratory signal and the waveform of the target cardiorespiratory signal through the display unit 40.
As an example, referring to fig. 4, the display unit 40 includes a touch display screen 41 or a display screen (not shown) electrically connected to the microprocessor 32. For example, the display unit 40 includes a touch display screen 41 electrically connected to the microprocessor 32, and a user can input a mode operation signal via the touch display screen 41 to control the microprocessor 32 to operate in the cardiopulmonary sound operation mode, the electrocardiograph operation mode, the compound operation mode, or the user-defined operation mode. The working mode can be switched by the touch display screen 41 to adapt to different application scenes.
As an example, continuing to refer to fig. 4, the display unit 40 further includes a sound output unit 42, the sound output unit 42 is electrically connected to the microprocessor 32 for outputting the sound of the target heart-lung sound signal and/or the sound of the target electrocardio-signal; wherein the microprocessor 32 is further configured to:
acquiring a volume adjusting signal;
the volume of the sound output by the sound output unit 42 is controlled according to the volume adjustment signal.
As an example, referring to fig. 4, if the display unit 40 includes a touch display 41 electrically connected to the microprocessor 32, the user can input a volume adjustment signal via the touch display 41 to control the volume of the sound output by the sound output unit 42.
As an example, referring to fig. 5, the cardiopulmonary sound signal collecting unit 10 includes a piezoelectric sensor module 11, and the piezoelectric sensor module 11 is electrically connected to the processing module 30 for collecting an initial cardiopulmonary sound signal.
As an example, referring to fig. 6, the piezoelectric sensor module 11 includes a piezoelectric sensor 111 and a noise reduction component 112, where the piezoelectric sensor 111 is used to collect an initial cardiopulmonary sound signal; the noise reduction component 112 is disposed on the surface 111a of the piezoelectric sensor 111 close to the microprocessor 32, the surface 111b far from the microprocessor 32, or both the surface 111a of the piezoelectric sensor 111 close to the microprocessor 32 and the surface 111b of the piezoelectric sensor 111 far from the microprocessor 32, for reducing the noise signal collected by the piezoelectric sensor 111. The piezoelectric sensor 11 may comprise a piezoceramic wafer and/or a piezoelectric quartz crystal. For example, one surface of the piezoelectric ceramic piece may be attached with the noise reduction foam, the other surface of the piezoelectric ceramic piece may be attached to the gasket, and meanwhile, the lower surface of the gasket may be continuously attached with the noise reduction foam, and the other surface of the noise reduction foam is attached to the circuit board where the processing module 30 is located; part of the noise reduction foam is tightly attached to the lower part of a Thermoplastic polyurethane elastomer (TPU) film which is in full contact with a human body.
As an example, referring to fig. 7, the electrocardiograph signal acquiring unit 20 includes a first electrode acquiring unit 21, a second electrode acquiring unit 22 and a third electrode acquiring unit 23, and the first electrode acquiring unit 21 is electrically connected to the processing module 30; the second electrode acquisition unit 22 is electrically connected with the processing module 30; the first electrode acquisition unit 21 and the second electrode acquisition unit 22 are used for acquiring the initial electrocardiosignal, and the third electrode acquisition unit 23 is electrically connected with the processing module 30 and is configured as a right leg driving electrode, so that external interference is eliminated, and the stability of the electrocardiosignal acquired by measurement is improved. By placing the electrodes in the first electrode acquisition unit 21, the electrodes in the second electrode acquisition unit 22 and the electrodes in the third electrode acquisition unit 23 at the chest of the target object, after fully contacting the target object, the human electrocardiosignals are extracted.
When the bioelectricity measurement is carried out, a measured body (usually a human body) is subjected to an alternating current electric field formed by a power grid, and an alternating current potential is generated on the human body, wherein the potential is the same at each part of the body surface and is common-mode interference. The right leg driving electrode is essentially a negative feedback, and is connected to the human body through a reverse amplification Common Mode signal to play a role in eliminating the Common Mode, so that the Common Mode Rejection Ratio (CMRR) is improved.
As an example, referring to fig. 8, the processing module 30 further includes a wireless communication unit 33, and the wireless communication unit 33 is electrically connected to the microprocessor 32; the microprocessor 32 is in communication connection with the terminal device 200 via the wireless communication unit 33 to transmit the target heart-lung sound signal and/or the target cardiac signal to the terminal device 200. The terminal device 200 may be at least one of a mobile phone, a tablet computer, a display panel, and a smart wearable device. The wireless communication unit 33 may include a bluetooth module 331. For example, the user may use the mobile phone to communicate with the microprocessor 32 through the bluetooth module 331, and obtain the target heart-lung sound signal and/or the target cardiac electric signal through the mobile phone, so as to observe the waveform of the target heart-lung sound signal and/or the waveform of the target cardiac electric signal through the mobile phone display interface.
As an example, referring to fig. 8 continuously, the processing module 30 further includes a storage unit 34, the storage unit 34 is electrically connected to the microprocessor 32 and is configured to store the target heart-lung sound signal and/or the target electrocardio signal locally, meanwhile, the microprocessor 32 transmits the digital sound signal to the decoding chip through the I2S interface, and the decoding chip converts the digital sound signal into an analog signal through digital-to-analog conversion and outputs the analog signal to the human ear through the earphone. When the target heart-lung sound signal and/or the target electrocardiosignal need to be stored, the recording key on the host computer is pressed, and the target heart-lung sound signal and/or the target electrocardiosignal are stored in the storage unit 34 and the terminal device 200.
As an example, referring to fig. 9, the intelligent stethoscope control circuit 100 further includes a power supply module 50; the power module 50 includes a battery module 51 and a power control circuit 52; the power control circuit 52 is electrically connected with the battery module 51 and is used for outputting electric energy according to the real-time electric quantity of the battery module 51; the power control circuit 52 includes at least one of a charging chip 521, an electric quantity measuring chip 522, and a low voltage linear regulator 523.
As an example, referring to fig. 9, the battery module 51 may include a lithium battery and/or a storage battery, the charging chip 521 is electrically connected to the battery module 51, for example, the charging chip 521 may be a linear lithium battery charging chip SL1053, and the linear lithium battery charging chip SL1053 integrates the functions of high precision pre-charging, constant current charging, constant voltage charging, battery state detection, temperature monitoring, low leakage after charging, and charging state indication, so as to monitor the charging state of the battery module 51 comprehensively. The electric quantity measuring chip 522 is electrically connected to the battery module 51 and is used for measuring the real-time electric quantity of the battery module 51. The low voltage linear regulator 523 is electrically connected to the battery module 51 via the power metering chip 522 for reducing power consumption of the power module 50. After the use is finished, a power on/off key can be pressed for a long time, the screen is turned off, and the equipment is turned off.
As an example, continuing to refer to fig. 9, a USB Type-C interface may be provided to charge the battery module 51.
In one embodiment of the present application, an intelligent stethoscope is provided, which includes the intelligent stethoscope control circuit 100 of any embodiment of the present application, and a housing for accommodating the intelligent stethoscope control circuit 100. The embodiment provides an intelligent stethoscope which can capture the cardiopulmonary sounds of a target object and measure the electrocardiosignals of the target object so as to assist a doctor to provide more diagnostic information.
In an embodiment of the present application, an electronic device is provided, which includes the intelligent stethoscope control circuit 100 in any embodiment of the present application, and is capable of capturing both cardiopulmonary sounds and cardiac electrical signals of a target object, so as to assist a doctor in providing more diagnostic information.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (16)

1. An intelligent stethoscope control circuit, comprising:
the heart-lung sound signal acquisition unit is used for acquiring an initial heart-lung sound signal of the target object;
the electrocardiosignal acquisition unit is used for acquiring an initial electrocardiosignal of the target object;
and the processing module is electrically connected with the cardiopulmonary sound signal acquisition unit and the electrocardiosignal acquisition unit, and is used for receiving and processing the initial cardiopulmonary sound signal to generate a target cardiopulmonary sound signal and also used for receiving and processing the initial electrocardiosignal to generate a target electrocardiosignal.
2. The intelligent stethoscope control circuit of claim 1, wherein said processing module comprises:
the signal processing unit is electrically connected with the cardiopulmonary sound signal acquisition unit and the electrocardiosignal acquisition unit, and is used for processing and converting the received initial cardiopulmonary sound signal to generate a digital cardiopulmonary sound signal and also used for processing and converting the received initial electrocardiosignal to generate a digital cardiopulmonary sound signal;
and the microprocessor is electrically connected with the signal processing unit and is used for generating the target heart-lung sound signal according to the received digital heart-lung sound signal and generating the target electrocardiosignal according to the received digital electrocardiosignal.
3. The intelligent stethoscope control circuit of claim 2, further comprising:
the display unit is electrically connected with the microprocessor and is used for displaying the waveform of the target heart-lung sound signal and/or the waveform of the target electrocardiosignal;
wherein the microprocessor is configured to:
acquiring a mode operation signal;
and controlling the display unit to output the target heart-lung sound signal and/or the target electrocardiosignal according to the mode operation signal.
4. The intelligent stethoscope control circuit of claim 3, wherein said display unit comprises a touch-sensitive display screen or a display screen electrically connected to said microprocessor.
5. The intelligent stethoscope control circuit of claim 4, wherein said display unit further comprises:
the sound output unit is electrically connected with the microprocessor and is used for outputting the sound of the target heart-lung sound signal and/or the sound of the target electrocardio signal;
wherein the microprocessor is further configured to:
acquiring a volume adjusting signal;
and controlling the volume of the sound output by the sound output unit according to the volume adjusting signal.
6. The intelligent stethoscope control circuit of any one of claims 1-5, wherein said cardiopulmonary sound signal collection unit comprises:
and the piezoelectric sensor module is electrically connected with the processing module and is used for acquiring the initial heart-lung sound signal.
7. The intelligent stethoscope control circuit of claim 6, wherein said piezoelectric sensor module comprises:
the piezoelectric sensor is used for acquiring the initial heart-lung sound signal; and
and the noise reduction component is arranged on the surface of the piezoelectric sensor close to and/or far away from the processing module and is used for reducing noise signals collected by the piezoelectric sensor.
8. The intelligent stethoscope control circuit of claim 7, wherein said piezoelectric sensor comprises a piezoelectric ceramic plate and/or a piezoelectric quartz crystal.
9. The intelligent stethoscope control circuit of any one of claims 1-5, wherein said electrocardiographic signal acquisition unit comprises:
the first electrode acquisition unit is electrically connected with the processing module;
the second electrode acquisition unit is electrically connected with the processing module; and
a third electrode acquisition unit electrically connected with the processing module and configured as a right leg driving electrode;
the first electrode acquisition unit and the second electrode acquisition unit are used for acquiring the initial electrocardiosignals.
10. The intelligent stethoscope control circuit of any one of claims 2-5, wherein said signal processing unit comprises:
the filtering unit is electrically connected with the cardiopulmonary sound signal acquisition unit and the electrocardiosignal acquisition unit, and is used for filtering the received initial cardiopulmonary sound signal to generate a filtered cardiopulmonary sound signal and filtering the received initial electrocardiosignal to generate a filtered electrocardiosignal;
the amplifying unit is electrically connected with the filtering unit and is used for amplifying the received filtered cardiopulmonary sound signal to generate an amplified cardiopulmonary sound signal and amplifying the received filtered electrocardiosignal to generate an amplified electrocardiosignal;
the analog-to-digital conversion unit is electrically connected with the amplification unit and is used for performing analog-to-digital conversion processing on the received amplified cardiopulmonary sound signal to generate the digital cardiopulmonary sound signal and also used for performing analog-to-digital conversion processing on the received amplified electrocardio signal to generate the digital cardiopulmonary sound signal.
11. The intelligent stethoscope control circuit of any one of claims 2-5, wherein said processing module further comprises:
the wireless communication unit is electrically connected with the microprocessor;
the microprocessor is in communication connection with the terminal equipment through the wireless communication unit so as to transmit the target heart-lung sound signal and/or the target electrocardiosignal to the terminal equipment.
12. The intelligent stethoscope control circuit of claim 11, wherein said wireless communication unit comprises a bluetooth module.
13. The intelligent stethoscope control circuit of any one of claims 2-5, wherein said processing module further comprises:
and the storage unit is electrically connected with the microprocessor and is used for locally storing the target heart-lung sound signals and/or the target electrocardiosignals.
14. The intelligent stethoscope control circuit of any one of claims 1-5, further comprising a power module; the power module includes:
a battery module; and
the power supply control circuit is electrically connected with the battery module and used for outputting electric energy outwards according to the real-time electric quantity of the battery module;
the power supply control circuit comprises at least one of a charging chip, an electric quantity metering chip and a low-voltage linear voltage stabilizer.
15. An intelligent stethoscope, comprising:
the intelligent stethoscope control circuit of any one of claims 1-14; and
a housing for housing the intelligent stethoscope control circuit.
16. An electronic device, comprising:
the intelligent stethoscope control circuit of any one of claims 1-14.
CN202121720325.9U 2021-07-27 2021-07-27 Intelligent stethoscope control circuit, intelligent stethoscope and electronic device Active CN216135909U (en)

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WO2023005891A1 (en) * 2021-07-27 2023-02-02 上海多闻医疗科技有限公司 Intelligent stethoscope control circuit, intelligent stethoscope, and electronic device
WO2024061037A1 (en) * 2022-09-24 2024-03-28 江苏鹿得医疗电子股份有限公司 Portable multifunctional electronic stethoscope

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US10117635B2 (en) * 2014-06-05 2018-11-06 Guangren CHEN Electronic acoustic stethoscope with ECG
CN110037662A (en) * 2019-06-04 2019-07-23 苏州美糯爱医疗科技有限公司 A kind of heart sound electrocardiosignal synchronous acquisition and wireless transmitting system based on bluetooth
CN211883846U (en) * 2020-03-03 2020-11-10 成都九心爱科技有限公司 Electronic stethoscope
CN111938693A (en) * 2020-09-14 2020-11-17 长春市眼动力科技有限公司 Intelligent auscultation device
CN216135909U (en) * 2021-07-27 2022-03-29 上海微创数微医疗科技有限公司 Intelligent stethoscope control circuit, intelligent stethoscope and electronic device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023005891A1 (en) * 2021-07-27 2023-02-02 上海多闻医疗科技有限公司 Intelligent stethoscope control circuit, intelligent stethoscope, and electronic device
WO2024061037A1 (en) * 2022-09-24 2024-03-28 江苏鹿得医疗电子股份有限公司 Portable multifunctional electronic stethoscope

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