CN113069142B - Electronic stethoscope based on Bluetooth - Google Patents
Electronic stethoscope based on Bluetooth Download PDFInfo
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- CN113069142B CN113069142B CN202110377604.8A CN202110377604A CN113069142B CN 113069142 B CN113069142 B CN 113069142B CN 202110377604 A CN202110377604 A CN 202110377604A CN 113069142 B CN113069142 B CN 113069142B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
- A61B7/04—Electric stethoscopes
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Abstract
The invention relates to a Bluetooth-based electronic stethoscope, which comprises a metal surface shell, a Bluetooth module and Bluetooth listening equipment, wherein a vibrating diaphragm is arranged on the bottom surface of the metal surface shell, a cavity is arranged on the metal surface shell, a pickup based on Bluetooth communication is arranged in the cavity, the pickup is in wireless communication with the Bluetooth listening equipment, and the Bluetooth-based electronic stethoscope is characterized in that: still be equipped with pressure adjustment device in the cavity, pressure adjustment device can adjust vibrating diaphragm and human area of contact and can in time feed back the operator through bluetooth listening device with the result of adjustment.
Description
Technical Field
The invention relates to a medical instrument, in particular to an electronic stethoscope based on Bluetooth.
Background
The stethoscope is the most commonly used diagnostic tool for internal and external gynecologists, and the traditional stethoscope mainly comprises a sound pickup part (chest piece), a conduction part (rubber tube) and an auditory part (ear piece).
The conventional stethoscope must contact the patient's body by the sound pickup portion, transmit the sound to the doctor's ear by conduction from the listening portion, and listen to the sound (heartbeat, respiration, etc.) emitted from the patient's body in real time. Under the condition of diseases with strong infectivity (such as infectious diseases like new crown, SARS and the like), doctors cannot wear the stethoscope after wearing the protective clothing, and cannot effectively listen to the sound emitted by the body of a patient; some patients are uncomfortable in paroxysmal bodies, abnormal sounds are not always emitted by bodies, doctors cannot know the abnormal sounds in many cases, and even if the patients wear wearable monitoring equipment for a long time, effective information cannot be acquired and provided for the doctors to diagnose. Therefore, the development of an electronic stethoscope based on bluetooth is a problem to be solved by those skilled in the art.
In addition, the larger the contact surface of the auscultation head and the body is, the better the sound effect is picked up. However, the human body surface has a radian, if the chest piece is too large, the auditory head cannot be completely contacted with the human body, the sound box cannot be well picked up, and the sound box can leak out from the gap, so that a doctor may make misjudgment.
Disclosure of Invention
The invention designs an electronic stethoscope based on Bluetooth, which solves the technical problems that: (1) The existing wired stethoscope causes inconvenience for doctors to use the stethoscope and influences the accuracy of detection; (2) The auscultation head of the existing wired stethoscope cannot be in full contact with the human body, and the signal acquisition cannot be accurate.
In order to solve the technical problems, the invention adopts the following scheme:
the utility model provides an electronic stethoscope based on bluetooth, includes metal face shell, bluetooth module and bluetooth listening device, metal face shell bottom surface is equipped with the vibrating diaphragm, the metal face shell is equipped with a cavity, installs the adapter based on the bluetooth communication in the cavity, adapter and bluetooth listening device wireless communication, its characterized in that: still be equipped with pressure adjustment device in the cavity, pressure adjustment device can adjust vibrating diaphragm and human area of contact and can in time feed back the result of adjustment to the operator through bluetooth listening device.
Preferably, the pressure adjusting device comprises a motor (10), a driving wheel (11), a first driven wheel (12), a second driven wheel (13), a third driven wheel (14), a fourth driven wheel (15) and a belt (16), the motor (10) drives the driving wheel (11) to rotate, and the driving wheel (11) enables the first driven wheel (12), the second driven wheel (13), the third driven wheel (14) and the fourth driven wheel (15) to synchronously rotate through the belt (14); the first driven wheel (12) is axially provided with a through hole and is connected with the first movable pressure rod (122) through threads, the outer part of the first driven wheel (12) is connected with the inner ring of the first bearing (121) to ensure that the first driven wheel cannot axially move, and the first driven wheel (12) drives the first movable pressure rod (122) to axially move so that the vibrating diaphragm (2) is attached to a human body; a through hole is axially formed in the second driven wheel (13) and is connected with the second movable pressure rod through threads, the outer portion of the second driven wheel (13) is connected with the inner ring of the second bearing to ensure that the second driven wheel cannot axially move, and the second driven wheel (13) drives the second movable pressure rod to axially move so that the vibrating diaphragm (2) is attached to a human body; a through hole is axially formed in the third driven wheel (14) and is connected with the third movable pressure rod through threads, the outer portion of the third driven wheel (14) is connected with an inner ring of a third bearing to ensure that the third driven wheel cannot axially move, and the third driven wheel (14) drives the third movable pressure rod to axially move so that the vibrating diaphragm (2) is attached to a human body; the fourth driven wheel (15) is axially provided with a through hole and is connected with the fourth movable pressure rod (152) through threads, the outer portion of the fourth driven wheel (15) is connected with an inner ring of the fourth bearing (151) to ensure that the fourth driven wheel cannot axially move, and the fourth driven wheel (15) drives the fourth movable pressure rod (152) to axially move to enable the vibrating diaphragm (2) to be attached to a human body.
Preferably, the driving wheel (11) is centrally located, and the first driven wheel (12), the second driven wheel (13), the third driven wheel (14) and the fourth driven wheel (15) are evenly distributed around the driving wheel (11) and can act on the edge of the vibrating diaphragm (2).
Preferably, the driving wheel (11) is connected with the motor (10) through the upper end of a rotating shaft (112), the lower end of the upper end of the rotating shaft (112) is connected with the movable sliding sleeve (111) through threads, and the rotating shaft (112) drives the movable sliding sleeve (111) to move axially so that the vibrating diaphragm (2) is attached to a human body.
Preferably, the end parts of the first movable pressure rod (122), the second movable pressure rod, the third movable pressure rod and the fourth movable pressure rod (152) are respectively provided with a pressure sensor, the pressure sensors output pressure values to a processor of the sound pick-up when the vibration diaphragm (2) is close to a human body due to the movement of the pressure rod, and after the processor compares, analyzes and judges the pressure values, the motor is controlled to start, and sound signals are output to the Bluetooth listening device at the same time to inform an operator of the contact condition of the electronic stethoscope and the human body.
Preferably, when the pressure values output by the plurality of pressure sensors reach a preset value, the pressure values indicate that the contact area of the electronic stethoscope and a human body meets the auscultation requirement, the processor stops the motor to keep the pressure output by each movable pressure rod, and simultaneously, the processor starts the wireless communication between the sound pick-up and the Bluetooth listening device and informs an operator of starting auscultation in the form of sound.
Preferably, when each movable pressure rod moves to the maximum extreme value, and the pressure values output by the pressure sensors do not reach the preset value for more than N seconds, wherein N is a natural number, which indicates that the contact area of the electronic stethoscope and a human body does not meet the auscultation requirement, the processor starts the wireless communication between the sound pick-up and the Bluetooth listening device, and informs an operator of changing the placing position of the electronic stethoscope in the form of sound.
Preferably, when the operator separates the electronic stethoscope from the human body for M seconds, the processor judges that the auscultation is finished, and the motor is started to move each movable pressure rod to the original position for the next auscultation.
Preferably, the sound pickup comprises the processor and a Bluetooth mainboard, wherein the Bluetooth mainboard is provided with a high-fidelity audio sensor, a lithium battery, a USB interface and a Bluetooth module, the Bluetooth module is in wireless communication with the Bluetooth listening equipment, and the high-fidelity audio sensor, the lithium battery and the USB interface are all connected with the Bluetooth mainboard; the Bluetooth listening equipment is an earphone, a sound box or a mobile phone.
Preferably, a sealing device is arranged at the opening of the cavity, and the sealing device is a cover type plastic shell or a handle type plastic shell;
or/and the vibrating diaphragm is fixed at the bottom of the metal surface shell through a silica gel ring, and the silica gel ring is sleeved on the side walls of the metal surface shell and the periphery of the vibrating diaphragm.
Or/and a noise reduction circuit is arranged on the Bluetooth mainboard;
or/and the Bluetooth listening equipment is provided with a data storage module.
This electron stethoscope based on bluetooth has following beneficial effect:
(1) The pressure adjusting device in the electronic stethoscope can adjust the contact area of the vibrating diaphragm and a human body and can feed the adjusted result back to an operator in time through the Bluetooth listening device, thereby ensuring the auscultation effect and accuracy and avoiding that a proper auscultation position cannot be found quickly in clothes.
(2) The sound acquired by the sound pickup can be transmitted to the Bluetooth listening equipment for receiving without physical media such as rubber tubes and the like based on the Bluetooth wireless technology, and can be recorded and stored in the Bluetooth listening equipment, so that a user can record the sound emitted by organs such as heart, lung and the like when the body is untimely, and the recorded sound is remotely sent to a doctor or provided to the doctor for diagnosis.
Drawings
Fig. 1 is a schematic structural diagram of the bluetooth-based electronic stethoscope according to the present invention.
Fig. 2 is a schematic diagram of another embodiment of the bluetooth-based electronic stethoscope according to the present invention.
FIG. 3 is a schematic view of the connection of the components of the pressure regulating device of the present invention;
FIG. 4 is a schematic view of the pressure adjusting apparatus according to the present invention;
fig. 5 is a control schematic of the pressure regulating device of the present invention.
Description of the reference numerals:
1-a metal face shell; 10, a motor; 11-driving wheels; 111-moving the sliding sleeve; 112-a rotating shaft; 12 — a first driven wheel; 121 — a first bearing; 122 — first moving pressure bar; 13 — a second driven wheel; 14-a third driven wheel; 15-fourth driven wheel; 151-fourth bearing; 152-a fifth moving pressure bar; 16-a belt; 2-vibrating the diaphragm; 3-a sound pick-up; 301-bluetooth motherboard; 302-high fidelity audio sensor; 303-lithium battery; 304-USB interface; 4, a sealing device; 5-silica gel circle.
Detailed Description
The invention is further illustrated below with reference to fig. 1 to 5:
as shown in fig. 1 and 2, example 1: the utility model provides an electronic stethoscope based on bluetooth, includes metal face- piece 1, and 1 bottom surface of metal face-piece is equipped with vibrating diaphragm 2, and metal face-piece 1 is equipped with a cavity, installs adapter 3 based on the bluetooth communication in the cavity, and the opening part of cavity is equipped with closing device 4.
The bluetooth listening device (not shown) is an earphone, a sound box, a mobile phone or other audio playing devices.
The sealing device 4 is a cover type plastic shell (as shown in figure 1) or a handle type plastic shell (as shown in figure 2).
The vibrating diaphragm 2 is fixed at the bottom of the metal surface shell 1 through a silica gel ring 5, and the silica gel ring 5 is sleeved on the side walls of the metal surface shell 1 and the vibrating diaphragm 2.
And a noise reduction circuit is arranged on the Bluetooth mainboard 301.
The Bluetooth listening equipment is provided with a data storage module.
During operation, the bluetooth motherboard 301 effectively filters noise (such as sound and speaking sound generated by automobile knocking on the ground) generated by the external environment through the processing of the noise reduction circuit, and the high-fidelity audio sensor 302 acquires sounds emitted by organs such as heart, lung and the like. And transmitting the filtered sound to corresponding Bluetooth listening equipment (such as earphones, sound boxes, mobile phones and the like) in real time through a Bluetooth technology, and transmitting the sound to a doctor in real time to serve as a diagnosis basis.
Example 2:
as shown in fig. 3-5, a pressure adjusting device is further disposed in the cavity of the electronic stethoscope, and the pressure adjusting device can adjust the contact area between the diaphragm and the human body and can feed back the adjusted result to the operator in time through the bluetooth listening device. Therefore, the Bluetooth communication not only provides auscultation information of a patient, but also can play a role in providing information whether the stethoscope is used correctly or not.
The pressure adjusting device comprises a motor 10, a driving wheel 11, a first driven wheel 12, a second driven wheel 13, a third driven wheel 14, a fourth driven wheel 15 and a belt 16, wherein the motor 10 drives the driving wheel 11 to rotate, and the driving wheel 11 enables the first driven wheel 12, the second driven wheel 13, the third driven wheel 14 and the fourth driven wheel 15 to synchronously rotate through the belt 14.
The first driven wheel 12 is axially provided with a through hole and connected with the first movable pressure rod 122 through a thread, the outer portion of the first driven wheel 12 is connected with the inner ring of the first bearing 121 to ensure that the first driven wheel does not axially move, and the first driven wheel 12 drives the first movable pressure rod 122 to axially move so that the vibrating diaphragm 2 is attached to a human body.
The second driven wheel 13 is axially provided with a through hole and connected with the second movable pressure rod through threads, the outer portion of the second driven wheel 13 is connected with the inner ring of the second bearing to ensure that the second driven wheel cannot axially move, and the second driven wheel 13 drives the second movable pressure rod to axially move so that the vibrating diaphragm 2 is attached to a human body.
The third driven wheel 14 is axially provided with a through hole and is connected with the third movable pressure rod through threads, the outer portion of the third driven wheel 14 is connected with the inner ring of the third bearing to ensure that the third driven wheel cannot axially move, and the third driven wheel 14 drives the third movable pressure rod to axially move so that the vibrating diaphragm 2 is attached to a human body.
The fourth driven wheel 15 is axially provided with a through hole and connected with the fourth movable pressure rod 152 through threads, the outer portion of the fourth driven wheel 15 is connected with the inner ring of the fourth bearing 151 to ensure that the fourth movable pressure rod 152 cannot axially move, and the fourth driven wheel 15 drives the fourth movable pressure rod 152 to axially move so that the vibrating diaphragm 2 can be attached to a human body.
The moving pressure rods are distributed in a dot shape, and the action area is not large, so that the normal work of the vibration diaphragm 2 is not influenced.
The driving wheel 11 is centrally located and the first driven wheel 12, the second driven wheel 13, the third driven wheel 14 and the fourth driven wheel 15 are evenly distributed around the driving wheel 11 and can act on the edge of the vibrating diaphragm 2.
The driving wheel 11 is connected with the motor 10 through the upper end of the rotating shaft 112, the lower end of the upper end of the rotating shaft 112 is connected with the movable sliding sleeve 111 through a thread, and the rotating shaft 112 drives the movable sliding sleeve 111 to move axially so that the vibrating diaphragm 2 is attached to a human body.
The end parts of the first movable pressure rod 122, the second movable pressure rod, the third movable pressure rod and the fourth movable pressure rod 152 are respectively provided with a pressure sensor, the pressure sensors output pressure values to a processor of the sound pick-up when the vibration diaphragm 2 is close to a human body by moving the pressure rods, and after the processor compares, analyzes and judges the pressure values, the motor is controlled to start, sound signals are output to the Bluetooth listening device at the same time, and an operator is informed of the contact condition of the electronic stethoscope and the human body.
The working principle is as follows:
when the pressure values output by the pressure sensors reach the preset value, the fact that the contact area of the electronic stethoscope and a human body meets the auscultation requirement is indicated, the processor stops the motor to enable the pressure output by each movable pressure rod to be kept, meanwhile, the processor starts wireless communication between the sound pick-up and the Bluetooth listening equipment, and informs an operator of starting auscultation in the form of sound.
When the movable pressure rods move to the maximum extreme value, the pressure values output by the pressure sensors do not reach the preset value for more than N seconds, N is a natural number, the contact area between the electronic stethoscope and a human body does not meet the auscultation requirement, the processor starts wireless communication between the sound pick-up and the Bluetooth listening device, and informs an operator of changing the placing position of the electronic stethoscope in a sound mode.
When the operator separates the electronic stethoscope from the human body for M seconds, the processor judges that the auscultation is finished, and the motor is started to move each movable material pressing rod to the original position for the next auscultation.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above embodiments, and it is within the scope of the invention to use various modifications of the inventive method concept and solution, or to directly apply the inventive concept and solution to other applications without modification.
Claims (8)
1. The utility model provides an electronic stethoscope based on bluetooth, includes metal face shell, bluetooth module and bluetooth listening device, metal face shell bottom surface is equipped with the vibrating diaphragm, the metal face shell is equipped with a cavity, installs the adapter based on the bluetooth communication in the cavity, adapter and bluetooth listening device wireless communication, its characterized in that: a pressure adjusting device is further arranged in the cavity, the pressure adjusting device can adjust the contact area of the vibrating diaphragm and a human body and can feed back the adjusted result to an operator in time through the Bluetooth listening equipment;
the pressure adjusting device comprises a motor (10), a driving wheel (11), a first driven wheel (12), a second driven wheel (13), a third driven wheel (14), a fourth driven wheel (15) and a belt (16), wherein the motor (10) drives the driving wheel (11) to rotate, and the driving wheel (11) enables the first driven wheel (12), the second driven wheel (13), the third driven wheel (14) and the fourth driven wheel (15) to synchronously rotate through the belt (14);
the first driven wheel (12) is axially provided with a through hole and is connected with the first movable pressure rod (122) through threads, the outer part of the first driven wheel (12) is connected with the inner ring of the first bearing (121) to ensure that the first driven wheel cannot axially move, and the first driven wheel (12) drives the first movable pressure rod (122) to axially move so that the vibrating diaphragm (2) is attached to a human body;
a through hole is axially formed in the second driven wheel (13) and is connected with the second movable pressure rod through threads, the outer portion of the second driven wheel (13) is connected with the inner ring of the second bearing to ensure that the second driven wheel cannot axially move, and the second driven wheel (13) drives the second movable pressure rod to axially move so that the vibrating diaphragm (2) is attached to a human body;
a through hole is axially formed in the third driven wheel (14) and is connected with the third movable pressure rod through threads, the outer portion of the third driven wheel (14) is connected with an inner ring of a third bearing to ensure that the third driven wheel cannot axially move, and the third driven wheel (14) drives the third movable pressure rod to axially move so that the vibrating diaphragm (2) is attached to a human body;
a through hole is axially formed in the fourth driven wheel (15) and is connected with the fourth movable pressure rod (152) through threads, the outer portion of the fourth driven wheel (15) is connected with an inner ring of the fourth bearing (151) to ensure that the fourth driven wheel cannot axially move, and the fourth driven wheel (15) drives the fourth movable pressure rod (152) to axially move to enable the vibrating diaphragm (2) to be attached to a human body;
the driving wheel (11) is positioned in the center, and a first driven wheel (12), a second driven wheel (13), a third driven wheel (14) and a fourth driven wheel (15) are uniformly distributed around the driving wheel (11) and can act on the edge of the vibrating diaphragm (2);
the driving wheel (11) is connected with the motor (10) through the upper end of a rotating shaft (112), the lower end of the upper end of the rotating shaft (112) is connected with the movable sliding sleeve (111) through threads, and the rotating shaft (112) drives the movable sliding sleeve (111) to move axially so that the vibrating diaphragm (2) is attached to a human body;
the end parts of the first movable pressure rod (122), the second movable pressure rod, the third movable pressure rod and the fourth movable pressure rod (152) are respectively provided with a pressure sensor, the pressure sensors output pressure values to a processor of the sound pick-up when the vibration diaphragm (2) is close to a human body due to the movable pressure rods, and after the processor compares, analyzes and judges the pressure values, the motor is controlled to start, sound signals are output to Bluetooth listening equipment at the same time, and an operator is informed of the contact condition of the electronic stethoscope and the human body; when the pressure values output by the pressure sensors reach preset values, the fact that the contact area of the electronic stethoscope and a human body meets auscultation requirements is indicated, the processor stops the motor to enable the pressure output by each movable pressure rod to be kept, meanwhile, the processor starts wireless communication between the sound pick-up and the Bluetooth listening device, and informs an operator of starting auscultation in the form of sound.
2. The bluetooth-based electronic stethoscope of claim 1, wherein: when each movable pressure rod moves to the maximum extreme value, and the pressure values output by the pressure sensors do not reach the preset value for more than N seconds, wherein N is a natural number, which indicates that the contact area of the electronic stethoscope and a human body does not accord with the auscultation requirement, the processor starts the wireless communication between the sound pick-up and the Bluetooth listening device, and informs an operator of changing the placing position of the electronic stethoscope in the form of sound.
3. The bluetooth-based electronic stethoscope of claim 1, wherein: when the operator separates the electronic stethoscope from the human body for M seconds, the processor judges that the auscultation is finished, and the motor is started to move each movable pressure rod to the original position for the next auscultation.
4. The bluetooth-based electronic stethoscope according to any one of claims 1-3, wherein: the pickup comprises the processor and a Bluetooth mainboard, wherein the Bluetooth mainboard is provided with a high-fidelity audio sensor, a lithium battery, a USB interface and a Bluetooth module, the Bluetooth module is in wireless communication with the Bluetooth listening equipment, and the high-fidelity audio sensor, the lithium battery and the USB interface are all connected with the Bluetooth mainboard; the Bluetooth listening equipment is an earphone, a sound box or a mobile phone.
5. The bluetooth-based electronic stethoscope of claim 4, wherein: and a sealing device is arranged at the opening of the cavity and is a cover type plastic shell or a handle type plastic shell.
6. The bluetooth-based electronic stethoscope of claim 4, wherein: the vibrating diaphragm is fixed at the bottom of the metal surface shell through a silica gel ring, and the silica gel ring is sleeved on the side walls of the metal surface shell and the vibrating diaphragm.
7. The bluetooth-based electronic stethoscope of claim 4, wherein: and a noise reduction circuit is arranged on the Bluetooth mainboard.
8. The bluetooth-based electronic stethoscope of claim 4, wherein: the Bluetooth listening device is provided with a data storage module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110377604.8A CN113069142B (en) | 2021-04-08 | 2021-04-08 | Electronic stethoscope based on Bluetooth |
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| CN202110377604.8A CN113069142B (en) | 2021-04-08 | 2021-04-08 | Electronic stethoscope based on Bluetooth |
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| CN113069142A CN113069142A (en) | 2021-07-06 |
| CN113069142B true CN113069142B (en) | 2022-10-11 |
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| CN115089206B (en) * | 2022-05-09 | 2023-02-10 | 吴先洪 | Method for predicting heart sound signal and heart auscultation device using same |
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| JP2017000198A (en) * | 2015-06-04 | 2017-01-05 | 日本光電工業株式会社 | Electronic stethoscope system |
| CN205054260U (en) * | 2015-10-16 | 2016-03-02 | 南阳市第二人民医院 | Auscultator for cardiology |
| CN107637961A (en) * | 2017-09-14 | 2018-01-30 | 成都市沃发特科技有限公司 | A kind of school desk with elevating function |
| CN108577884B (en) * | 2018-04-25 | 2021-02-09 | 复旦大学附属中山医院 | Remote auscultation system and method |
| CN211511852U (en) * | 2020-01-10 | 2020-09-18 | 杭州市第一人民医院 | Wireless bluetooth electron stethoscope |
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