CN211047186U

CN211047186U - Hearing detection earphone

Info

Publication number: CN211047186U
Application number: CN202020275072.8U
Authority: CN
Inventors: 丁伶萍; 郑芸; 魏龙煜
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-07-17
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses a hearing detects earphone, including bone oscillator and bone oscillator mounting shell, still include the adjustable elasticity head hoop of girth, the head hoop with bone oscillator mounting shell fixed connection. The hearing detection earphone of the utility model can adapt to different head circumference sizes, is suitable for not only adults but also infants, and is very convenient for adjusting the size of the head hoop; through designing the elastic scale, the bone oscillator can be guaranteed to give head 5.4N standard pressure, the accuracy of hearing testing result is guaranteed.

Description

Hearing detection earphone

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a hearing check out test set.

Background

A pure tone audiometer is an electronic instrument that tests the auditory function. The method is widely applied to the examination and diagnosis of auditory disorder. The earphone is designed according to the electro-acoustic principle, can generate pure tones with various frequencies, and is transmitted into the ear through the earphone. The main components are pure tone generator, power amplifier, attenuator, noise generator, signal blocker, earphone air guide and bone guide, frequency modulation device, etc.

The inventor is a hearing technician working in an examination department. The hearing test is specially performed on patients with ear problems.

The bone conduction earphone used in the department at present consists of a bone vibrator assembly and a head beam, wherein the head beam is an arc-shaped metal sheet. During testing of patients, the inventors found that this metal sheet was less elastic and was not adjustable in size. Patients vary in head circumference from children to adults, and often have various problems when wearing bone conduction earphones. For example: the skull of an adult is too large, the bone conduction earphone is inconvenient to wear, and even the metal sheet is broken under the condition that the skull is too large; when the bone conduction earphone is used by a child, the bone conduction earphone is easy to slide off due to the fact that the skull is too small; the usable children are stuck at the position close to the temple because of the position of the bone guide, so that the children feel dislike and fear that the children are reluctant to continue to persist in the test.

According to the standard of the existing equipment in the department, the pressure of the bone vibrator on the upper part of the back of the head and the upper ear is 5.4 newton, and the difference between the pressure of the bone vibrator and the standard pressure is larger when the bone conduction earphone is actually worn due to different head circumference sizes, so that the detection result is deviated. Meanwhile, if the pressure is too high, the pain of the patient is particularly strong.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the prior art:

1. in the existing bone conduction earphone, a certain error exists in a detection result;

2. for patients with over-head circumference, the earphone equipment fails; for a patient with small head circumference, the earphone equipment is easy to slide off, and the development of hearing detection work is influenced;

3. the pain of the patient is particularly intense.

Disclosure of Invention

In view of this, in order to solve at least one of the above technical problems, the present invention provides a hearing test earphone, which is adapted to different head sizes.

The inventor is through long-term exploration and attempt to and experiment and effort many times, continuous innovation of reform, for solving above technical problem, the utility model provides a technical scheme is, provides a hearing detects earphone, including bone oscillator and bone oscillator mounting shell, still include the adjustable elasticity head hoop of girth, the head hoop with bone oscillator mounting shell fixed connection.

According to the utility model discloses a concrete implementation of hearing detects earphone, be provided with one section at least elastic scale on the headband, be provided with at least one scale mark on the elastic scale.

According to the utility model discloses a concrete implementation of hearing detects earphone, still be provided with the scale box on the head hoop, elasticity scale part or whole are located in the scale box.

According to the utility model discloses a concrete implementation of hearing detects earphone, be provided with notch or observation window on the scale box.

According to the utility model discloses a concrete implementation of hearing detects earphone, the elasticity scale is the rubber tape.

According to the utility model discloses a concrete implementation mode of hearing test earphone, the head hoop includes first fixed band and second fixed band, first fixed band and second fixed band dismantlement formula are connected.

According to a specific embodiment of the hearing test earphone of the present invention, the first fixing band is provided with a first contact surface; and a second attaching surface is arranged on the second fixing belt, and the first attaching surface is detachably attached to the second attaching surface.

According to a specific embodiment of the hearing test earphone of the present invention, the first fixing band is provided with a tube band, the tube band is provided with a hole for the second fixing band to pass through, and the first attaching surface is disposed on an outer surface of the tube band; the inner surface of the second fixing band is provided with a second attaching surface, and the outer surface of the second fixing band is provided with a third attaching surface.

According to the utility model discloses a concrete implementation of hearing detects earphone, paste and connect and adopt the magic to paste the connection.

According to the utility model discloses a concrete embodiment of hearing detects earphone, first fixed band is the inelastic flexible band, the second fixed band is the inelastic flexible band.

Compared with the prior art, one of the technical solutions has the following advantages:

a) in one embodiment of the hearing detection earphone of the utility model, the earphone can adapt to different head circumference sizes, is suitable for both adults and infants, and is very convenient for adjusting the size of the head band;

b) the utility model discloses in the embodiment of hearing detection earphone, through designing the elasticity scale, can ensure the bone oscillator and give head 5.4N standard pressure, ensure the accuracy of hearing testing result.

c) The utility model discloses in the hearing detects an embodiment of earphone, fix overhead through the whole week, the earphone can not drop, and specially adapted infant's hearing detects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view of a preferred embodiment of the hearing test earphone of the present invention.

Fig. 2 is a schematic perspective view of fig. 1.

Fig. 3 is a perspective view of fig. 1 from another angle.

Fig. 4 is a partial enlarged view of I in fig. 3.

The labels in the figure are respectively:

100 of the bone vibrators are arranged on the back of the bone,

201 a scale box for measuring the size of a human body,

202 an elastic scale;

203 scale marks;

301 a first fixing strap is provided on the first side,

302 of the pipe band, and the pipe band,

3022 it is characterized by that it has a hole,

3021 a first surface to be attached to the first surface,

303 of a second fixing strap, 303,

3031 the end of the main body is provided with,

3032 a second attachment surface on which a second adhesive is attached,

3033 a third contact surface.

Detailed Description

The following description is made with reference to the accompanying drawings and a specific embodiment.

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

See fig. 1-4. The hearing test earphone described in this embodiment includes the bone vibrator 100 and the bone vibrator mounting case, and the bone vibrator 100 and the bone vibrator mounting case and related components are existing devices.

The utility model discloses an improvement lies in, the metal head roof beam with current earphone has replaced into totally that the girth is adjustable, have elastic head hoop, the head hoop with bone oscillator mounting shell fixed connection.

Referring to fig. 1, a scale box 201 and an elastic scale 202 are fixedly connected to two sides of the bone oscillator mounting shell, and the elastic scale 202 is located on the inner side of the scale box 201. At least one scale mark 203 is provided on the elastic scale 202. The scale 203 is designed by inverse calculation according to the pressure of the bone vibrator. That is, when the head band is fitted over the head and the bone vibrator 100 presses the head to 5.4N, the elastic scale 202 has a deformation amount, and the scale marks 203 are used to record the deformation amount. When the bone vibrator pressure gauge is used, a detector can judge the standard of the 5.4N pressure of the bone vibrator according to the deformation quantity reflected by the scale marks 203. In this embodiment, the specific position of the scale is not limited, mainly because the elastic rubber material selected by the elastic scale 202 is different, the cross-sectional area is different, and the new variable reaching the pressure of 5.4N is also different. As a specific implementation requirement of the technology, referring to fig. 1, when the displacement of the scale 201 reaches the end of the scale case 201, the pressure of the bone vibrator 100 to the head is 5.4N. Of course, other reference points may be provided on the scale box 201, the end of the scale box 201 being merely a selection of one reference point. In a further embodiment, a notch or a viewing window is provided on the scale box 201, and optionally a reference point is provided on the notch or the viewing window, and when the scale 201 is coincident with the reference point, the bone oscillator has a head pressure of 5.4N.

The length of the scale box 201, the elastic rubber material selected by the elastic scale 202, and the cross-sectional area are easy to adjust, and no specific requirements are needed in this embodiment. The rubber material is selected in the prior art, and the material is not required to be developed.

In the present embodiment, the description of the orientation refers to fig. 1. In fig. 1, there are two elastic scales 202, which are respectively located on the left and right sides of the bone oscillator mounting case. The left end of the left elastic scale 202 is fixedly connected with a first fixing band 301, a pipe band 302 is arranged on the first fixing band 301, and a first attaching surface 3021 is arranged on the outer surface of the pipe band 302. The pipe strap 302 is provided with holes 3022. Right elastic scale 202 is fixedly connected with second fixing strap 303. The first fastening tape 301 is a non-elastic flexible tape, and the second fastening tape is a non-elastic flexible tape, such as a cloth tape. Second strap 303 is provided with a second abutment surface 3032 on an inner surface thereof, and second strap 303 is provided with a third abutment surface 3032 on an outer surface thereof. The first attaching surface 3021 and the second attaching surface 3032 or the third attaching surface 3032 are connected by a hook and loop fastener.

Magic tapes, also known as hook and loop tapes or squeaks, are a common connecting structure, and have two surfaces of a numerator and a mother. One side of the magic tape is fine and soft fiber and round hair, and the other side of the magic tape is hard barbed hair with hooks. As a specific embodiment, the first attachment surface 3021 is a rounded burr surface, and the second attachment surface 3032 and the third attachment surface 3032 are barbed surfaces.

The human is from one year old to adult, the head circumference is from 32cm to 58cm, and the span is large. The second abutment surface 3032 is attached to the upper end of the first abutment surface 3021 at the maximum head circumference, and the tip 3031 of the second strap 303 is passed through the hole 3022 and folded back over the upper surface of the tube strap 302 at the minimum head circumference, and the third abutment surface 3032 is attached to the upper end of the first abutment surface 3021.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. A hearing detection earphone comprises a bone oscillator (100) and a bone oscillator mounting shell, and is characterized by further comprising a perimeter-adjusting elastic head band, wherein the head band is fixedly connected with the bone oscillator mounting shell; the head band is provided with at least one section of elastic scale (202), and the elastic scale (202) is provided with at least one scale mark; the head band is further provided with a scale box (201), and the elastic scale (202) is partially or completely positioned in the scale box (201).

2. The hearing test headset according to claim 1, wherein the scale case (201) is provided with a notch or a viewing window.

3. The hearing test headset of claim 1, wherein the elastic scale (202) is a rubber band.

4. The hearing test headset of claim 1, wherein the headband comprises a first strap (301) and a second strap (303), the first strap (301) and the second strap (303) being removably connected.

5. The hearing test earphone according to claim 4, wherein the first fixing band (301) is provided with a first abutting surface (3021); the second fixing strap (303) is provided with a second attaching surface (3032), and the first attaching surface (3021) and the second attaching surface (3032) are detachably attached.

6. The hearing test earphone according to claim 5, wherein the first fixing band (301) is provided with a tube band (302), the tube band (302) is provided with a hole (3022) for the second fixing band (303) to pass through, and the first attaching surface (3021) is provided on an outer surface of the tube band (302); the inner surface of the second fixing band (303) is provided with a second abutting surface (3032), and the outer surface of the second fixing band (303) is provided with a third abutting surface (3033).

7. The hearing test headset of claim 5 or 6, wherein the attachment is a hook and loop attachment.

8. The hearing test earphone according to claim 4, wherein the first fixing band (301) is a non-elastic flexible band and the second fixing band is a non-elastic flexible band.