CN220370007U

CN220370007U - Medical stethoscope

Info

Publication number: CN220370007U
Application number: CN202321052678.5U
Authority: CN
Inventors: 肖婷婷; 周念; 朱桑洲
Original assignee: Shenzhen Longhua Peoples Hospital
Current assignee: Shenzhen Longhua Peoples Hospital
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2024-01-23
Anticipated expiration: 2033-05-05

Abstract

The utility model relates to the technical field of stethoscopes and discloses a medical stethoscope, which comprises a head band and a head band, wherein the head band is connected with the head band through a rubber tube, two movable blocks are slidably arranged on the head band, ear hooks are respectively arranged on the two movable blocks, a first bone conduction ear piece and a second bone conduction ear piece are respectively connected on the two ear hooks, mounting holes are respectively formed in the first bone conduction ear piece and the second bone conduction ear piece, the bone conduction earphone can be worn on the head of a doctor through the head band through structures such as a bone conduction transducer and a sound receiver, the ear plugs do not need to be repeatedly inserted and pulled out, the damage to the ears is avoided, the bone conduction transducer is utilized to convert sound into mechanical vibration with different frequencies, sound waves are transmitted through skull bones, bone labyrinth, inner ear lymph, a screw and auditory centers of people, clear sound reduction can be realized in a noisy environment, the sound waves cannot be influenced by diffusion in air, and the damage to the hearing is reduced.

Description

Medical stethoscope

Technical Field

The utility model belongs to the technical field of stethoscopes, and particularly relates to a medical stethoscopes.

Background

A stethoscope is a medical instrument used to listen to sounds within the body, such as: heart, respiration, intestines and stomach, etc. Stethoscope is an important method for examining patients and diagnosing diseases by doctors, and the shape and the sound transmission mode of the stethoscope are continuously improved since the stethoscope is applied to clinic, but the basic structure of the stethoscope is not greatly changed, and the stethoscope mainly comprises a sound pick-up part (chest piece), a conduction part (rubber tube) and a sound listening part (ear piece).

In the prior art, the earplug of the stethoscope is inserted and pulled out from the ear of a doctor in a long-term reciprocating manner, so that the ear of the doctor is damaged, and a certain damage to the hearing can be caused by using the traditional in-ear stethoscope for a long time.

Disclosure of Invention

The utility model aims to provide a medical stethoscope and aims to solve the problem that a traditional in-ear stethoscope can cause a certain damage to hearing after being used for a long time.

The medical stethoscope comprises a head band and a listening head, wherein the listening head and the head band are connected through a rubber tube, two movable blocks are slidably arranged on the head band, ear hooks are respectively arranged on the two movable blocks, a first bone conduction ear piece and a second bone conduction ear piece are respectively connected to the two ear hooks, mounting holes are respectively formed in the first bone conduction ear piece and the second bone conduction ear piece, bone conduction transducers are arranged in the mounting holes, a sound receiver is arranged on the listening head, and the sound receiver is electrically connected with the bone conduction transducers;

the two movable blocks are provided with sliding holes, two ends of the headband are matched with the sliding holes in size, two mutually symmetrical guide sliding grooves are formed in the inner wall of each sliding hole, guide sliding blocks are slidably mounted in the guide sliding grooves and mounted on the headband, the movable blocks are rotatably provided with threaded rods, one ends of the threaded rods extend into the sliding holes, and one ends of the headband extending into the sliding holes are provided with threaded holes matched with the threaded rods.

Preferably, the two ear hooks are arranged in a relatively inclined way, so that the ear hooks are convenient to wear.

Preferably, a rubber round table is arranged on the auditory meatus, a mounting groove is formed in the center of the rubber round table, and the sound receiver is arranged in the mounting groove.

Preferably, the edge of the rubber round table is provided with an annular silica gel heating plate.

Preferably, the movable block is provided with an annular groove, the annular groove is rotationally provided with a limiting ring, and the limiting ring is arranged on the threaded rod.

Preferably, an adjusting knob is arranged at one end of the threaded rod penetrating through the movable block, and a plurality of anti-skid grooves are uniformly formed in the adjusting knob along the circumferential direction.

Preferably, a voice processor, a power amplifier, a central processing unit and a power supply are arranged in the headband, the voice receiver receives sound and then transmits an electric signal to the voice processor, the central processing unit transmits the electric signal to the power amplifier for amplification, and finally the amplified electric signal is transmitted to the bone conduction transducer for bone conduction hearing.

Compared with the prior art, the medical stethoscope provided by the utility model has the advantages that through the structures such as the bone conduction transducer, the sound receiver and the like, the bone conduction earphone can be worn on the head of a doctor through the headband, the earplug is not required to be inserted and pulled repeatedly, the damage to the ears is avoided, the bone conduction transducer is utilized to convert sound into mechanical vibration with different frequencies, sound waves are transmitted through the skull, bone labyrinth, inner ear lymph, the screw and the auditory center of a person, clear sound reduction can be realized in a noisy environment, the sound waves can not influence other people because of diffusion in the air, and the damage to the hearing is reduced.

Compared with the prior art, the medical stethoscope provided by the utility model can realize the axial movement of the movable block along the headband by rotating the threaded rod and mutually matching the threaded rod and the threaded hole when the size formed by the surrounding between the movable block and the headband needs to be adjusted, thereby achieving the purpose of convenient adjustment, enabling the headband to be adapted to the heads of users with different head surrounding sizes, and further improving the practicability and the suitability of the device.

Drawings

FIG. 1 is a schematic cross-sectional view of a medical stethoscope according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a medical stethoscope according to the present utility model;

fig. 3 is a schematic cross-sectional view of a stethoscope head of a medical stethoscope according to the present utility model;

FIG. 4 is a schematic diagram of the working principle of the medical stethoscope provided by the utility model;

fig. 5 is a schematic view of the internal structure of a headband of a medical stethoscope according to the present utility model.

Reference numerals illustrate:

1. a headband; 2. a listening head; 3. a rubber round table; 4. a rubber tube; 5. a movable block; 6. an adjustment knob; 7. ear-hanging; 8. a first bone conduction earpiece; 9. a bone conduction transducer; 10. a second bone conduction earpiece; 11. a mounting hole; 12. a guide chute; 13. a guide slide block; 14. a threaded hole; 15. a threaded rod; 16. a limiting ring; 17. an annular groove; 18. a slide hole; 19. a mounting groove; 20. a sound receiver; 21. a silica gel heating sheet; 22. a power supply; 23. a speech processor; 24. a power amplifier; 25. and a central processing unit.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The implementation of the present utility model will be described in detail below with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-5, a preferred embodiment of the present utility model is provided.

The medical stethoscope comprises a headband 1 and a listening head 2, wherein the listening head 2 is connected with the headband 1 through a rubber tube 4, two movable blocks 5 are slidably arranged on the headband 1, ear hooks 7 are arranged on the two movable blocks 5, a first bone conduction ear piece 8 and a second bone conduction ear piece 10 are respectively connected to the two ear hooks 7, mounting holes 11 are formed in the first bone conduction ear piece 8 and the second bone conduction ear piece 10, bone conduction transducers 9 are arranged in the mounting holes 11, a sound receiver 20 is arranged on the listening head 2, and the sound receiver 20 is electrically connected with the bone conduction transducers 9;

slide holes 18 are formed in the two movable blocks 5, two ends of the headband 1 are matched with the slide holes 18 in size, two mutually symmetrical guide sliding grooves 12 are formed in the inner wall of the slide holes 18, guide sliding blocks 13 are mounted in the guide sliding grooves 12 in a sliding mode, the guide sliding blocks 13 are mounted on the headband 1, threaded rods 15 are rotatably mounted on the movable blocks 5, one ends of the threaded rods 15 extend into the slide holes 18, and threaded holes 14 matched with the threaded rods 15 are formed in one ends of the headband 1 extending into the slide holes 18.

Through arranging bone conduction transducer 9 and sound receiver 20 isotructure, can wear bone conduction earphone on doctor's head through bandeau 1 and use, need not plug earplug repeatedly, avoided the damage of ear, reuse bone conduction transducer 9 turns into the mechanical vibration of different frequency with sound, through people's skull, the bone labyrinth, inner ear lymph, the screw ware, the hearing center transmits the sound wave, and can realize clear sound reduction in noisy environment, and the sound wave can not influence other people because of diffusing in the air yet, the damage to hearing has been reduced, can be when the size that encloses between needs regulation movable block 5 and bandeau 1, through rotating threaded rod 15, through threaded rod 15 and screw hole 14's mutually supporting, thereby realize movable block 5 and carry out axial motion along bandeau 1, reach the purpose of convenient regulation, and make 1 adaptable on the user's head of different bandeau sizes, further improved practicality and the suitability of device, through arranging slide hole 18, can make movable block 5 carry out the slip 5 along 1, for spreading in the air and influence other people, thereby the damage to the hearing, can be carried out the guide block 5 along the movable block for the movable block 5, and be connected through the guide block 13 in the guide block 1 through the guide way, thereby the movable block is connected with the movable block 5 through the guide block 13, and the guide block 13 is realized in the movable block 13 when the movable block is passed through the guide block 13.

In particular, in this embodiment, the two ear-hooks 7 are arranged with a relative orientation.

Due to the inclined arrangement of the two ear-hooks 7 in opposite directions, the two ear-hooks 7 can be conveniently and well adapted to the ears of the wearer, and the device is supported.

Specifically, in this embodiment, the rubber cone 3 is disposed on the listening head 2, the mounting groove 19 is formed in the center of the rubber cone 3, and the sound receiver 20 is disposed in the mounting groove 19.

Through rubber round platform 3 and mounting groove 19 that are arranged, can be fine protect sound receiver 20 to for sound receiver 20 provides the pickup chamber, the better sound of receiving of sound receiver 20 of being convenient for.

Specifically, in this embodiment, a ring-shaped silica gel heating sheet 21 is disposed at the edge of the rubber round table 3.

Because most of the existing stethoscope head is a metal shell, the stethoscope head shell is cool during use, a patient is easy to be stimulated, and the silica gel heating sheet 21 is arranged, so that before auscultation, the rubber round table 3 is heated by the silica gel heating sheet 21, auscultation is performed after the user feels proper temperature, the cool stethoscope head 2 is prevented from stimulating the patient, and the comfort level of the patient is improved.

Specifically, in this embodiment, the movable block 5 is provided with an annular groove 17, the annular groove 17 is rotatably provided with a limiting ring 16, and the limiting ring 16 is mounted on the threaded rod 15.

Through the spacing ring 16 and the annular groove 17 which are arranged, the spacing ring 16 can be driven to rotate in the annular groove 17 when the threaded rod 15 rotates, and the threaded rod 15 is further spacing, so that the threaded rod 15 is prevented from being disconnected with the movable block 5.

Specifically, in this embodiment, an adjusting knob 6 is installed at one end of the threaded rod 15 penetrating through the movable block 5, and a plurality of anti-slip grooves are uniformly formed on the adjusting knob 6 along the circumferential direction.

Through the adjusting knob 6 arranged, the adjusting knob 6 can be screwed to drive the threaded rod 15 to rotate in the using process, and the size is adjusted.

Specifically, in the present embodiment, the headband 1 has a voice processor 23, a power amplifier 24, a central processor 25, and a power supply 22 disposed therein.

The electric signal is transmitted to the voice processor 23 after being received by the voice receiver 20, is transmitted to the power amplifier 24 for amplification by the central processing unit 25, and finally is transmitted to the bone conduction transducer 9 for bone conduction hearing, and is provided with electric energy by the power supply 22, and the power supply 22 is a lithium battery.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The medical stethoscope is characterized by comprising a head band and a head, wherein the head band is connected with the head band through a rubber tube, two movable blocks are slidably arranged on the head band, ear hooks are respectively arranged on the two movable blocks, a first bone conduction ear piece and a second bone conduction ear piece are respectively connected to the two ear hooks, mounting holes are respectively formed in the first bone conduction ear piece and the second bone conduction ear piece, bone conduction transducers are arranged in the mounting holes, a sound receiver is arranged on the head band, and the sound receiver is electrically connected with the bone conduction transducers;

2. The medical stethoscope of claim 1, wherein said ear-hooks are disposed obliquely relative to one another.

3. The medical stethoscope of claim 1, wherein said stethoscope head has a rubber cone disposed thereon, and a mounting slot is provided at a center of said rubber cone, and a sound receiver is disposed in said mounting slot.

4. The medical stethoscope as defined in claim 3, wherein a ring-shaped silica gel heating sheet is disposed at the edge of the rubber cone.

5. The medical stethoscope as defined in claim 1, wherein the movable block is provided with an annular groove, and a stop collar is rotatably mounted in the annular groove and mounted on the threaded rod.

6. The medical stethoscope as defined in claim 1, wherein an adjusting knob is installed at one end of the threaded rod penetrating through the movable block, and a plurality of anti-slip grooves are uniformly formed on the adjusting knob along the circumferential direction.

7. The medical stethoscope of claim 1, wherein said headband has a voice processor, a power amplifier, a central processor and a power source disposed therein.