CN211633341U

CN211633341U - Intelligent stethoscope

Info

Publication number: CN211633341U
Application number: CN201922449574.8U
Authority: CN
Inventors: 郭志; 李海峰; 马琳; 薄洪健; 林汝扬; 张石生
Original assignee: Harbin Institute of Technology; Shenzhen Academy of Aerospace Technology
Current assignee: Harbin Institute of Technology; Shenzhen Academy of Aerospace Technology
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-09
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses an intelligent stethoscope, which comprises a stethoscope head and is characterized in that the stethoscope head comprises a first mounting area, and a physiological signal acquisition module, an amplification module, a band-pass filtering module and a Bluetooth transmitter which are arranged in the first mounting area, wherein the first mounting area is arranged in a shell of the stethoscope head, an earphone interface is arranged in the first mounting area, and the earphone interface is connected with the output end of the band-pass filtering module; the output end of the physiological signal acquisition module is connected with the input end of the amplification module, the output end of the amplification module is connected with the input end of the band-pass filtering module, and the output end of the band-pass filtering module is connected with the signal input end of the Bluetooth transmitter. The utility model discloses can be connected the earphone with the auscultation head through the earphone interface to in listen to cardiopulmonary sound through the earphone, reduced the volume of stethoscope greatly, solve traditional stethoscope and accomodate inconvenient and inconvenient problem of carrying.

Description

Intelligent stethoscope

Technical Field

The utility model relates to the field of medical equipment, concretely relates to intelligent stethoscope.

Background

The stethoscope, which is the most commonly used medical instrument by doctors, is significantly important in the diagnosis of cardiovascular and cerebrovascular diseases and respiratory diseases. The stethoscope is mainly composed of a sound pickup portion (chest piece), a conduction portion (hose), and a listening portion (ear piece), and is used for collecting and amplifying sounds emitted from the heart, lungs, arteries, veins, and other internal organs.

However, the traditional stethoscope only needs to be stored by the bent rubber tube after being used up at every time, and the stethoscope is complex to operate, or is easy to slip when being hung on the neck and is not easy to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent stethoscope aims at solving traditional stethoscope and accomodates inconvenient and inconvenient problem of carrying.

In order to achieve the above object, the utility model provides an intelligent stethoscope, which comprises a stethoscope head, wherein the stethoscope head comprises a first installation area, a physiological signal acquisition module, an amplification module, a band-pass filtering module and a bluetooth transmitter, the physiological signal acquisition module, the amplification module, the band-pass filtering module and the bluetooth transmitter are arranged in the first installation area, the first installation area is arranged in a shell of the stethoscope head, an earphone interface is arranged in the first installation area, and the earphone interface is connected with the output end of the band-pass filtering module; the output end of the physiological signal acquisition module is connected with the input end of the amplification module, the output end of the amplification module is connected with the input end of the band-pass filtering module, and the output end of the band-pass filtering module is connected with the signal input end of the Bluetooth transmitter.

In an embodiment, the physiological signal acquisition module is an electret microphone.

In one embodiment, the band-pass filtering module is a filter.

In one embodiment, the amplification module is an amplifier.

In one embodiment, the stethoscope shell is provided with a notch to facilitate connection of an earphone with the earphone interface.

In one embodiment, the headset interface is a 3.5MM headset interface.

In one embodiment, the bluetooth transmitter includes a dual mode bluetooth chip and an RF antenna.

In one embodiment, the stethoscope head further comprises a second mounting area and a body temperature collecting module arranged in the second mounting area, wherein the second mounting area is arranged in the stethoscope head shell and corresponds to the first mounting area in position; the output end of the body temperature acquisition module is connected with the signal input end of the Bluetooth transmitter.

In one embodiment, the body temperature acquisition module comprises a thermopile sensor and a microprocessor, wherein the output end of the thermopile sensor is connected with the input end of the microprocessor, and the output end of the microprocessor is connected with the signal input end of the bluetooth transmitter.

In an embodiment, the intelligent stethoscope further comprises a power supply module, wherein the output end of the power supply module is respectively connected with the power input end of the physiological signal acquisition module, the power input end of the amplification module, the power input end of the band-pass filtering module, the power input end of the bluetooth transmitter and the power input end of the body temperature acquisition module.

The beneficial effects of the utility model include: the utility model discloses pass through the earphone interface with the earphone and be connected with the auscultation head to in listen to cardiopulmonary sound through the earphone, reduced the volume of stethoscope greatly, solve traditional stethoscope and accomodate inconvenient and inconvenient problem of carrying.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an intelligent stethoscope according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an intelligent stethoscope according to an embodiment of the present invention;

fig. 3 is a perspective view of the intelligent stethoscope according to the embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the embodiment of the present invention, all directional indicators (such as upper, lower, left, right, front, and rear … …) are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly. In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected," "secured," "mounted," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

With reference to fig. 1 to fig. 3, in order to achieve the above object, the present invention provides an intelligent stethoscope, which includes a stethoscope head, wherein the stethoscope head includes a first installation area 1, and a physiological signal acquisition module 12, an amplification module 15, a band-pass filtering module 13, and a bluetooth transmitter 11, which are disposed in the first installation area 1, wherein the first installation area 1 is disposed in a shell of the stethoscope head, and an earphone interface is disposed in the first installation area 1 and connected to an output end of the band-pass filtering module 13; the output end of the physiological signal acquisition module 12 is connected with the input end of the amplification module 15, the output end of the amplification module 15 is connected with the input end of the band-pass filter module 13, and the output end of the band-pass filter module 13 is connected with the signal input end of the Bluetooth transmitter 11. Specifically, connect in through the earphone in the earphone interface can clearly hear cardiopulmonary sound, and after finishing using, can be convenient for accomodate and carry with earphone and auscultation head separation. The physiological signal acquisition module 12 is used for acquiring physiological signals of heart and lung sounds of a human body; the amplification module 15 is configured to perform amplification processing on the physiological signal; the band-pass filtering module 13 is configured to perform filtering processing on the amplified physiological signal; the bluetooth transmitter 11 is configured to transmit the filtered physiological signal to a mobile terminal, where the processing of the physiological signal by the physiological signal acquisition module 12, the amplification module 15, the band-pass filtering module 13, and the bluetooth transmitter 11 may refer to related prior art, and is not described herein again. The mobile terminal comprises a Bluetooth receiver, a data display module, an audio processing module, an audio identification module and a data uploading module. The Bluetooth receiver is used for receiving the analog signals and the digital signals of the auscultation end in a Bluetooth wireless transmission mode; the data display module is used for displaying the physiological signals and the body temperature data signal contents received by the Bluetooth receiver on a screen in real time so as to be convenient for a user to check; the audio processing module is used for the audio processing module to: carrying out digital filtering processing on the physiological signals subjected to band-pass filtering to remove noise interference in a frequency band; the audio recognition module is used for performing audio mode recognition processing on the processed cardiopulmonary sound data by adopting the existing biological audio recognition algorithm, then outputting the judgment result in a formatted mode, and transmitting the judgment result to the data display module; the data uploading module is used for uploading the physiological signal data uploaded by the mobile terminal to the cloud server, so that the data analysis module of the cloud server can compare the physiological signal data with a large amount of existing physiological signal data to obtain an analysis result, and the analysis result is returned to the data display module of the mobile terminal.

In one embodiment, the physiological signal acquisition module 12 is an electret microphone.

In one embodiment, the band-pass filtering module 13 is a filter. For example, the filter may be a band-pass filter, which may be set to a band-pass filtering frequency range of 40HZ to 2KHZ, and filter out-of-band signals.

In one embodiment, the amplifying module 15 is an amplifier. For example, the amplifier can be an LM358 amplifier or an audio preamplifier chip, and the physiological weak signals of the heart and lung are amplified by a preamplifier circuit in the amplifier. Wherein, audio frequency preamplification chip accessible model is seeked and is directly bought on market, for example KT0501 or KT0511, can directly look over when needing to know this model equipment and look for technical specification and know, therefore this equipment does not give unnecessary details.

In one embodiment, the stethoscope housing has a notch 14 to facilitate connection of the earphones to the earphone interface, i.e., insertion of the earphones into the earphone interface. The headset may be an existing wired headset.

In one embodiment, the headset interface is a 3.5MM headset interface.

In one embodiment, the bluetooth transmitter 11 includes a dual mode bluetooth chip and an RF antenna. The bluetooth transmitter 11 can support two transmission modes of audio and digital signals, and transmit the obtained physiological signal data and body temperature data to a data display receiving terminal in a synchronous duplex mode, so as to display data through the data display receiving terminal. Preferably, the bluetooth transmitter 11 employs a 5.0 dual-mode bluetooth chip, such as a CC2642R bluetooth chip, a CSR8675 bluetooth chip. The dual-mode Bluetooth chip and the RF antenna can be searched through the model and directly purchased on the market, and the searching technical specification can be directly browsed for understanding when the model of the equipment needs to be known, so that the equipment is not described repeatedly.

In an embodiment, the stethoscope head further comprises a second mounting area 2 and a body temperature collecting module arranged in the second mounting area 2, wherein the second mounting area 2 is arranged in the stethoscope head shell and corresponds to the first mounting area 1; the output end of the body temperature acquisition module is connected with the signal input end of the Bluetooth transmitter 11.

In one embodiment, the body temperature collecting module comprises a thermopile sensor 21 and a microprocessor 22, an output end of the thermopile sensor 21 is connected with an input end of the microprocessor 22, and an output end of the microprocessor 22 is connected with a signal input end of the bluetooth transmitter 11. The thermopile sensor 21 is used for measuring and acquiring original body temperature data information of a human body; and the microprocessor 22 is used for processing the original body temperature data information to obtain normal body temperature data information and transmitting the normal body temperature data information. The microprocessor 22 calls the body temperature data stored in the RAM according to a specified transmission protocol, and then performs formulaic processing on the original body temperature data information to obtain the normal body temperature data information. The process of processing the raw body temperature data information by the microprocessor 22 can be referred to in the related art, and will not be described herein.

In an embodiment, the intelligent stethoscope further includes a power module 23, wherein an output end of the power module 23 is respectively connected to a power input end of the physiological signal collecting module 12, a power input end of the amplifying module 15, a power input end of the band-pass filtering module 13, a power input end of the bluetooth transmitter 11, and a power input end of the body temperature collecting module. The power module 23 is a 5V dc power supply. The power supply module is arranged in the second mounting area 2.

In conclusion, it is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims (including all equivalents) that are intended to define the spirit and scope of this invention, and that these examples be interpreted merely as illustrative of the invention and not as a limitation on the scope of this invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.

Claims

1. An intelligent stethoscope comprises a stethoscope head, and is characterized in that the stethoscope head comprises a first mounting area, a physiological signal acquisition module, an amplification module, a band-pass filtering module and a Bluetooth transmitter, wherein the physiological signal acquisition module, the amplification module, the band-pass filtering module and the Bluetooth transmitter are arranged in the first mounting area; the output end of the physiological signal acquisition module is connected with the input end of the amplification module, the output end of the amplification module is connected with the input end of the band-pass filtering module, and the output end of the band-pass filtering module is connected with the signal input end of the Bluetooth transmitter.

2. The intelligent stethoscope according to claim 1, wherein said physiological signal collection module is an electret microphone.

3. The intelligent stethoscope of claim 1, wherein said band-pass filtering module is a filter.

4. The intelligent stethoscope of claim 1, wherein said amplification module is an amplifier.

5. The intelligent stethoscope of claim 1, wherein said stethoscope housing defines a gap to facilitate connection of an earphone to said earphone interface.

6. The intelligent stethoscope of claim 1, wherein said earphone interface is a 3.5MM earphone interface.

7. The intelligent stethoscope of claim 1, wherein said bluetooth transmitter comprises a dual-mode bluetooth chip and an RF antenna.

8. The intelligent stethoscope according to claim 1, wherein said stethoscope head further comprises a second mounting region and a body temperature collecting module disposed in said second mounting region, wherein said second mounting region is disposed in said stethoscope head housing and corresponds to said first mounting region; the output end of the body temperature acquisition module is connected with the signal input end of the Bluetooth transmitter.

9. The intelligent stethoscope according to claim 8, wherein said body temperature collecting module comprises a thermopile sensor and a microprocessor, wherein an output end of said thermopile sensor is connected with an input end of said microprocessor, and an output end of said microprocessor is connected with a signal input end of said Bluetooth transmitter.

10. The intelligent stethoscope according to claim 8, further comprising a power module, wherein an output of said power module is connected to a power input of said physiological signal collection module, a power input of said amplification module, a power input of said band-pass filter module, a power input of said bluetooth transmitter, and a power input of said body temperature collection module, respectively.