Adjustable stethoscope

By designing an elastic plate, mounting cylinder, pressure rod, and worm gear, the earpiece distance and ear support are adjusted, solving the shortcomings of traditional stethoscopes in terms of wearing comfort and sound acquisition. This achieves a better fit for each user's head and disperses the pressure of the earpiece, improving wearing comfort and sound transmission.

CN223746391UActive Publication Date: 2026-01-02新疆医科大学第八附属医院
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Patent Information

Application Number
CN202422891774.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2026-01-02
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Traditional stethoscopes are inadequate in terms of wearing comfort and auscultation effect. They are difficult to fit different users' heads, the pressure of the earplugs is difficult to distribute, and they are sensitive to environmental noise. They also have poor versatility and hygiene.

Method used

The design incorporates a flexible plate, mounting cylinder, pressure rod, and worm gear. By adjusting the ear hook distance and supporting the ear, it disperses earplug pressure. Combined with the worm gear and sound conduction effects, it achieves the improvement of wearing comfort and sound conduction by addressing the challenges of adapting to each user's head shape and dispersing earplug pressure in existing technologies.

Benefits of technology

This allows the stethoscope to better fit each user's head, reduces the pressure of the earplugs on the ear canal, improves wearing comfort and sound conduction, and reduces environmental noise interference.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223746391U_ABST
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Abstract

The utility model relates to the technical field of medical instruments, and discloses an adjustable stethoscope which comprises an elastic plate, the two ends of the elastic plate are fixedly connected with mounting cylinders, the two mounting cylinders are arranged in a V shape, one end of each mounting cylinder is fixedly connected with a fixing block, a cavity is formed in each fixing block, and the fixing blocks are fixedly connected with the mounting cylinders. The inner side wall of the cavity is in sliding connection with a pressing rod. According to the adjustable stethoscope, through the arrangement of the mounting cylinder, the pressing rod, the spring, the connecting block, the clamping block and the ear hooks, when the distance between earplugs on the two ear hooks is adjusted, a pressing plate is firstly pressed to drive the pressing rod to move, meanwhile, the spring is compressed to drive the clamping block to move through the connecting block, the pressure of the clamping block on the ear hooks is reduced, and the clamping block is far away from the ear hooks; then the ear hooks can be pulled, under the action of the mounting cylinders, the relative distance between the earplugs on the two ear hooks is changed, the stethoscope can better adapt to the head of each user, and therefore the auscultation comfort level and the sound conduction effect are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to a kind of adjustable stethoscopes. BACKGROUND

[0002] Traditional stethoscope has limitation, in wearing comfort, earplug is not easy to leak sound and has compression feeling for long time wearing with poor ear canal fit, headband has problem with poor fixity, too tight or too loose. In terms of auscultation effect, sound collection is greatly influenced by environmental noise and has poor adaptability to different patients, and auscultation parameter is not adjustable. In terms of universality and hygiene, it is inconvenient to share and difficult to clean and disinfect. At the same time, medical demand is improving, and higher requirements are put forward for diagnostic accuracy, and complex medical environment also has higher challenge for stethoscope performance.

[0003] However, the existing adjustable stethoscope has the following shortcomings:

[0004] (1) The existing adjustable stethoscope is usually integrated, which is difficult to better adapt the stethoscope to the head of each user, thereby reducing the comfort and sound conduction effect of auscultation.

[0005] (2) The existing adjustable stethoscope has simple structure, which is difficult to disperse the pressure of earplug on ear hole, thereby reducing the discomfort caused by excessive local pressure.

[0006] Therefore, the utility model provides an adjustable stethoscope. UTILITY MODEL CONTENT

[0007] (I) Technical problem solved

[0008] The technical problem solved by the utility model is to provide an adjustable stethoscope with high practicability and simple structure, which can be easily operated, and solve the problems of difficulty in better adapting the stethoscope to the head of each user and difficulty in dispersing the pressure of earplug on ear hole.

[0009] (II) Technical scheme

[0010] In order to achieve the above object, the utility model discloses an adjustable stethoscope through the following technical schemes, a stethoscope is provided, including elastic plate, both ends of the elastic plate are fixedly connected with installation cylinder, two installation cylinders are V-shaped and are arranged, one end of the installation cylinder is fixedly connected with fixed block, the inside of fixed block is equipped with cavity, the inner side wall of cavity is slidably connected with pressure rod, the one side of pressure rod and the inner side wall of cavity are commonly connected with spring, the surface of pressure rod is fixedly connected with connecting block, one end of connecting block is fixedly connected with clamping block, the top of fixed block is equipped with round hole, the inside of round hole is movably inserted with ear hanging, the one side of clamping block and the surface of ear hanging are in contact, the other end of installation cylinder is fixedly connected with sound guide hose, one end of sound guide hose is installed with mounting block, the bottom of mounting block is installed with stethoscope probe, the surface of ear hanging is fixedly sleeved with installation box, the inner side wall of installation box is rotatably connected with worm, the surface of worm is engaged with worm wheel, one side of worm wheel is fixedly penetrated with threaded rod, the surface of threaded rod is threadedly sleeved with threaded cylinder, one end of threaded cylinder is fixedly connected with movable plate, the surface of ear hanging is movably sleeved with movable plate, one end of ear hanging is installed with earplug.

[0011] Optionally, one end of the pressure rod extends to the outside of the fixed block, and the one end of the pressure rod is fixedly connected with a pressing plate, and the surface of the pressing plate is provided with a groove, thereby facilitating the medical staff to press the pressure rod.

[0012] Optionally, one end of the worm is fixedly connected with a knob, and the surface of the knob is provided with anti-skid lines, thereby facilitating the medical staff to rotate the worm.

[0013] Optionally, one side of the movable plate is fixedly connected with a soft pad, and the material of the soft pad is sponge material, thereby improving the comfort of the medical staff.

[0014] Optionally, one side of the clamping block is fixedly connected with a protective pad, and the material of the protective pad is rubber material, thereby reducing the damage of the clamping block to the ear hanging.

[0015] Optionally, the surface of the ear hanging is fixedly connected with a limiting ring, the inner side wall of the installation cylinder is provided with a limiting groove matched with the limiting ring, and the limiting ring is slidably connected in the limiting groove, thereby improving the stability of the ear hanging when moving.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of adjustable stethoscope, with following beneficial effects:

[0018] 1. The adjustable stethoscope, through the setting of the mounting cylinder, the pressure rod, the spring, the connecting block, the clamp block and the ear hook, when adjusting the distance of the earplug on the two ear hooks, first press the pressure plate to drive the pressure rod to move, at the same time compress the spring, make it drive the clamp block to move through the connecting block, reduce the pressure of the clamp block to the ear hook and move away from the ear hook, then pull the ear hook, under the action of the mounting cylinder, the relative distance of the earplug on the two ear hooks changes, which can make the stethoscope better adapt to the head of each user, thereby improving the comfort of listening and the effect of sound conduction.

[0019] 2. The adjustable stethoscope, through the setting of the worm, the worm wheel, the threaded rod, the threaded cylinder and the movable plate, when using, first rotate the knob to drive the worm to rotate, under the cooperation of the worm wheel, drive the threaded rod to rotate, make the threaded cylinder which is screwed with it move, thereby drive the movable plate to move and support the ear of the medical staff, disperse the pressure of the earplug on the ear hole, reduce the discomfort caused by excessive local pressure, make the wearing of the stethoscope more comfortable. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic diagram of the utility model;

[0021] Figure 2 It is the utility model Figure 1 The enlarged structure schematic diagram of A in the utility model;

[0022] Figure 3 It is the fixed block sectional structure schematic diagram of the utility model;

[0023] Figure 4 It is the installation box sectional structure schematic diagram of the utility model.

[0024] In the drawing: 1, elastic plate; 2, mounting cylinder; 3, fixed block; 4, pressure rod; 5, spring; 6, connecting block; 7, clamp block; 8, ear hook; 9, installation box; 10, worm; 11, worm wheel; 12, threaded rod; 13, threaded cylinder; 14, movable plate; 15, earplug; 16, sound guide hose; 17, mounting block; 18, stethoscope probe; 19, pressure plate; 20, knob; 21, soft pad; 22, protective pad; 23, limiting ring. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1 to 4The utility model provides a kind of technical scheme: an adjustable stethoscope, including elastic plate 1, the both ends of elastic plate 1 are fixedly connected with installation cylinder 2, two installation cylinders 2 are V-shaped settings, one end of installation cylinder 2 is fixedly connected with fixed block 3, the inside of fixed block 3 is equipped with cavity, the inside wall of cavity is slidably connected with pressure rod 4, one side of pressure rod 4 and the inside wall of cavity are commonly connected with spring 5, the surface of pressure rod 4 is fixedly connected with connecting block 6, one end of connecting block 6 is fixedly connected with clamping block 7, the top of fixed block 3 is equipped with round hole, ear hook 8 is movably inserted in the inside of round hole, one side of clamping block 7 and the surface of ear hook 8 contact, the other end of installation cylinder 2 is fixedly connected with sound guide hose 16, one end of sound guide hose 16 is installed with mounting block 17, the bottom of mounting block 17 is installed with stethoscope probe 18, by the setting of installation cylinder 2, pressure rod 4, spring 5, connecting block 6, clamping block 7 and ear hook 8, when the distance of earplug 15 on two ear hooks 8 is adjusted, first press pressure plate 19 to drive pressure rod 4 to move, while compressing spring 5, make it move clamping block 7 by connecting block 6, reduce the pressure of clamping block 7 to ear hook 8 and far away from ear hook 8, then can pull ear hook 8, under the action of installation cylinder 2, the relative distance of earplug 15 on two ear hooks 8 changes, can make stethoscope better adapt to the head of each user, to improve the comfort of auscultation and the effect of sound conduction, the surface of ear hook 8 is fixedly sleeved with mounting box 9, the inside wall of mounting box 9 is rotatably connected with worm 10, the surface of worm 10 is engaged with worm wheel 11, one side of worm wheel 11 is fixedly penetrated with threaded rod 12, the surface of threaded rod 12 is threadedly sleeved with threaded cylinder 13, one end of threaded cylinder 13 is fixedly connected with movable plate 14, movable plate 14 is movably sleeved on the surface of ear hook 8, one end of ear hook 8 is installed with earplug 15, by the setting of worm 10, worm wheel 11, threaded rod 12, threaded cylinder 13 and movable plate 14, when using, first rotate knob 20 to drive worm 10 to rotate, under the cooperation of worm wheel 11, drive threaded rod 12 to rotate, make the threaded cylinder 13 that is threadedly sleeved with it move, to make it drive movable plate 14 to move and support the ear of medical staff, disperse the pressure of earplug 15 to ear hole, reduce the discomfort caused by local excessive pressure, make wearing stethoscope more comfortable;

[0027] One end of pressure rod 4 extends to the outside of fixed block 3, pressure plate 19 is fixedly connected to one end of pressure rod 4, by the setting of pressure plate 19, it is convenient for medical staff to press pressure rod 4, the surface of pressure plate 19 is equipped with recess;

[0028] One end of worm 10 is fixedly connected with knob 20, by the setting of knob 20, it is convenient for medical staff to rotate worm 10, anti-skid line is equipped on the surface of knob 20;

[0029] One side of the movable plate 14 is fixedly connected with a soft pad 21, through the arrangement of the soft pad 21, the comfort of the medical staff is improved, the material of the soft pad 21 is sponge material;

[0030] One side of the clamping block 7 is fixedly connected with a protective pad 22, through the arrangement of the protective pad 22, the damage of the clamping block 7 to the ear hook 8 is reduced, the material of the protective pad 22 is rubber material;

[0031] The surface of the ear hook 8 is fixedly connected with a limiting ring 23, through the arrangement of the limiting ring 23, the stability of the ear hook 8 when moving is improved, the inner side wall of the mounting cylinder 2 is provided with a limiting groove matched with the limiting ring 23, and the limiting ring 23 is slidably connected in the limiting groove.

[0032] In the utility model, the working steps of the device are as follows:

[0033] The first step is that the pressing plate 19 is first pressed to drive the pressing rod 4 to move, and the compression spring 5 is compressed, so that the clamping block 7 is driven to move through the connecting block 6, the pressure of the clamping block 7 on the ear hook 8 is reduced and the ear hook 8 is far away from the ear hook 8, then the ear hook 8 can be pulled, and under the action of the mounting cylinder 2, the relative distance of the earplug 15 on the two ear hooks 8 is changed, so that the stethoscope can better adapt to the head of each user, thereby improving the comfort of auscultation and the effect of sound conduction;

[0034] The second step is that the knob 20 is first rotated to drive the worm 10 to rotate, under the cooperation of the worm wheel 11, the threaded rod 12 is driven to rotate, so that the threaded sleeve 13 threaded with the threaded rod 12 moves, thereby driving the movable plate 14 to move and support the ears of the medical staff, the pressure of the earplug 15 on the ear hole is dispersed, the discomfort caused by excessive local pressure is reduced, and the wearing of the stethoscope is more comfortable.

[0035] It should be noted that the equipment structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the design principle technology, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0036] The standard parts used therein can be purchased from the market, and can be customized according to the description and drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof can be known by the person skilled in the art through technical manual or through conventional experimental method.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An adjustable stethoscope comprising a resilient plate (1), characterised in that: Both ends of the elastic plate (1) are fixedly connected with mounting barrels (2), the two mounting barrels (2) are arranged in a V shape, one end of the mounting barrel (2) is fixedly connected with a fixed block (3), a cavity is arranged in the fixed block (3), a pressure rod (4) is slidably connected with the inner side wall of the cavity, a spring (5) is connected between one side of the pressure rod (4) and the inner side wall of the cavity, a connecting block (6) is fixedly connected with the surface of the pressure rod (4), a clamping block (7) is fixedly connected with one end of the connecting block (6), a circular hole is arranged at the top of the fixed block (3), an ear hook (8) is movably inserted into the circular hole, one side of the clamping block (7) is in contact with the surface of the ear hook (8), the other end of the mounting barrel (2) is fixedly connected with a sound guide hose (16), an installation block (17) is arranged at one end of the sound guide hose (16), a stethoscope probe (18) is arranged at the bottom of the installation block (17), an installation box (9) is fixedly sleeved with the surface of the ear hook (8), a worm (10) is rotatably connected with the inner side wall of the installation box (9), a worm wheel (11) is engaged with the surface of the worm (10), a threaded rod (12) is fixedly penetrated through one side of the worm wheel (11), a threaded barrel (13) is threadedly sleeved with the surface of the threaded rod (12), a movable plate (14) is fixedly connected with one end of the threaded barrel (13), the movable plate (14) is movably sleeved with the surface of the ear hook (8), an earplug (15) is arranged at one end of the ear hook (8).

2. An adjustable stethoscope according to claim 1, characterized in that: One end of the pressure rod (4) extends to the outside of the fixed block (3), a pressing plate (19) is fixedly connected with one end of the pressure rod (4), and a groove is arranged in the surface of the pressing plate (19).

3. An adjustable stethoscope according to claim 1, wherein: A knob (20) is fixedly connected with one end of the worm (10), and anti-skid lines are arranged in the surface of the knob (20).

4. An adjustable stethoscope according to claim 1, characterized in that: A soft pad (21) is fixedly connected with one side of the movable plate (14), and the material of the soft pad (21) is sponge material.

5. An adjustable stethoscope according to claim 1, wherein: A protective pad (22) is fixedly connected with one side of the clamping block (7), and the material of the protective pad (22) is rubber material.

6. An adjustable stethoscope according to claim 1, characterized in that: A limiting ring (23) is fixedly connected with the surface of the ear hook (8), a limiting groove matched with the limiting ring (23) is arranged in the inner side wall of the mounting barrel (2), and the limiting ring (23) is slidably connected in the limiting groove.