CN201967128U - Universal type hinge-joint in-ear hearing aid - Google Patents

Abstract

The utility model discloses a universal type hinge-joint in-ear hearing aid which comprises a front part, a middle part and a rear part of the hearing aid, wherein the front part of the hearing aid comprises a loudspeaker; the rear part of the hearing aid comprises a machine body; the middle part of the hearing aid comprises a sound conductive device which is used as a hinge-joint connecting device; one end of the hinge-joint connecting device is connected with the front part of the hearing aid, and the other end of the hinge-joint connecting device is connected with the rear part of the hearing aid; the rotation angle of the hinge-joint connecting device can be controlled freely; and the rotation elevation reaches up to 60 degrees which can be adapted to the requirement of auditory meatus corner of a human body. The in-ear hearing aid provided by the utility model can be totally placed in the ear, has high concealment, and can keep elastic contact with the auditory meatus all the time; the front part of the in-ear hearing aid can be placed in the deep auditory meatus close to the eardrum of the human body; the wearing is comfortable and stable; ventilation in the ear is achieved during the wearing, a user does not sweat easily after long-time wearing, feedback and blocking effects can be effectively reduced, the conducted sound is distinct, the gain lost is small, and the universal type hinge-joint in-ear hearing aid is flexible and is suitable for any patients with hearing impairment.

Description

A kind of universal hinge knot in-the-ear hearing aid

Technical field

The utility model relates to a kind of hearing aid device, especially relate to a kind of universal hinge knot in-the-ear hearing aid, but the three-dimensional bending angle of free adjustment in-the-ear hearing aid device in human antrum auris, the rotation elevation angle can adapt to the requirement at human antrum auris turning up to 60 degree.

Background technology

The producer of production figures formula hearing aids generally all is absorbed in increasing hearing aids power to obtain contents such as bigger audio output signal or gain, inhibition ambient noise, elimination acoustic feedback signal at present, is used for guaranteeing the quality of output signal.The consequence that produces is: even the quality of output signal is fine, but the gain that the user effectively receives seldom, and the user can not obtain hearing aid effect preferably.Because the customized type hearing aids generally all is placed on the auricle, ear-level hearing aid be positioned over hard of hearing after, the acoustic distance human body ear-drum that loud speaker sends also has a suitable segment distance, because sound wave conduction damping and reflection reciprocation, can cause sound loss in the conductive process in the duct of this section complex physiologic structure, 20%～30% gain loss is nearly generally arranged, and therefore many severe hearing loss patients complain that hearing aids power is little.

For disguise is worn in the operating efficiency and the increase that improve hearing aids, utility model full duct-type (CIC) or inner ear type hearing aids, thereby reduce the loss in the conductive process in ear.Because inner ear type hearing aids volume is very little, the accommodation space of parts is very limited, therefore must and make as far as possible for a short time with parts design, and installs it very compact.The small and exquisite side effect that produces of volume is that therefore hearing aids power also reduce, and the sound gain that expectation produces is little.

Full duct-type (CIC) hearing aids is a kind of customized type hearing aids, needs earlier to join the center each tin barrier patient duct is printed ear mold testing, and then ear mold is delivered to the manual hearing aids housing of manufacturing of factory.Because the hearing aids body is not exposed to the ear outside, its disguise is by force that part is listened the barrier target that the patient pursued, but just because of being placed in the ear, the black-out effect that its side effect produces, feedback squealing, because of with duct contact firmly comprehensively can not adapt to the relative motion of duct muscle influence wear stability and owing to 3 D complex duct dissect physiology structure make its be difficult to be placed into dark duct, etc. be its main disadvantage.

In order unify the understanding filling in " customization passenger family order " time in the apolegamy center, to be convenient to the apolegamy center duct length of customizing mechanism work is selected, testing first of raising apolegamy center is made into power, and hereby, Siemens Company carries out standard definition to duct.Explain duct length such as cropped ear road 21, MEC 22, screech owl road 23, dark duct 24 by Figure 11.

Cropped ear road 21: but the center line of the first bend a1 and the second bend a2 (being applicable to that generally hearing loss better and not influences the hearing aids selection person that the customization machine is worn outward appearance, is not suitable for CIC).

MEC 22: cross the center line of the first bend a1 and the second bend a2, but the second bend a2 (be applicable to the hearing aids selection person that hearing loss is slightly good, be not suitable for CIC).

Screech owl road 23: (be applicable to the hearing aids selection person of hearing loss summary weight or CIC) about the 1mm of the second bend a2 excessively.

Dark duct 24: the 3～5mm (be applicable to that hearing loss is heavier, reach the hearing aids selection person of the apolegamy limit range of hearing aids, not too be applicable to big, the better or older ITE apolegamy person of hearing loss of the curved a2 degree of second bend) that crosses the second bend a2.

Hearing aid instrument in a kind of universal ear is disclosed in Application No. is the patent of US7092543B1, as shown in figure 13, the speaker portion of in-the-ear hearing aid can be rotated flexibly, it is a kind of in-the-ear hearing aid that is fit to use in any duct, its loud speaker rises up into ear inside, relatively near the human body ear-drum at dark duct place, reduce hearing aids and in ear, conducted gain loss in the sound process, improved the operating efficiency of hearing aids.Its in-the-ear hearing aid afterbody also is provided with a fixing backguy or a bar, has made things convenient for the taking-up of in-the-ear hearing aid.But the speaker portion rotation elevation angle is no more than 30 degree, can not adapt to the requirement of human antrum auris corner angle up to 60 degree; Cause near the air in duct center not circulate during use, the phenomenon of perspiration occurs, the user is worn feel under the weather, be difficult to be placed into position near the human body ear-drum.

Figure 14 is the structural representation of the universal trendy in-the-ear hearing aid of excellent Li Kang (UNITRON), its support and duct keep the space, guaranteed the circulation of air in the ear, wear for a long time and be difficult for perspiring, loud speaker is also near the human body ear-drum, reduce hearing aids and in ear, transmitted gain loss in the sound process, improved the operating efficiency of hearing aids.Its in-the-ear hearing aid afterbody also is provided with a stretchable pull bar, has made things convenient for the taking-up of in-the-ear hearing aid.But its sound conduction device is the device that is rigidly connected, such hearing aids in use often runs into following situation: its in-the-ear hearing aid has the outer rigid housing of fixed in shape, in the time of in being placed into the human body ear, can not be free movable, because the length of user's duct is different with size and shape, it is uneven to cause shell to contact with duct, and the part position is stressed too high, and the wearer is done not feel like oneself.The fixing main outstanding bigger earplug in end that relies in duct, the duroplasts body contacts firmly with duct and slides with the duct muscular movement.Technical problem underlying is because can not be crooked, can't go deep into the three-dimensional structure complexity duct, can not eliminate black-out effect and feedback squealing, wear stability and comfort level is relatively poor.Therefore, these side effects cause this product not produce desired effect on market.

The utility model content

Can not satisfy the required product defects in market at above-mentioned, the purpose of this utility model is to provide a kind of universal hinge knot in-the-ear hearing aid, the advantage that has both ear hearing ear-level hearing aid and universal inner ear type hearing aids, the rotation elevation angle of sound conduction device or hinge knot is up to 60 degree, can adapt to the requirement at human antrum auris turning, be easy to be placed into dark duct place very close to the human body ear-drum, its comfortable wearing is stable, ear inner air flow when wearing, wear also difficult the perspiration for a long time, eliminate black-out effect and feedback squealing, the sound of conduction is clear, gain loss is little, is to be fit to the universal rigidity in-the-ear hearing aid that any patient uses.

The technical solution of the utility model is: a kind of universal hinge knot in-the-ear hearing aid, the front portion that comprises hearing aids, middle part and rear portion, the front portion of described hearing aids comprises loud speaker, the rear portion of described hearing aids comprises body, the middle part of described hearing aids comprises the sound conduction device, described sound conduction device is hinge knot jockey, one end of described hinge knot jockey is connected with the front portion of hearing aids, the other end is connected with the rear portion of hearing aids, the angle of described hinge knot jockey can freely be controlled according to human antrum auris dissect physiology structure, the rotation elevation angle can adapt to the requirement at human antrum auris turning up to 60 degree.

In preferred embodiment of the utility model, described hinge knot jockey is flexible connection with the front portion of hearing aids, with the rear portion for fixedlying connected.

In preferred embodiment of the utility model, described hinge knot jockey is the version of a universal joint or the series connection of a plurality of universal joint.

In preferred embodiment of the utility model, described hinge knot jockey is made of four parts, is respectively: first parts, second parts, the 3rd parts and the 4th parts.Hinge knot jockey material is single or compound, medical grade or non-medical grade, nonmetal or metal, elasticity or non-elastic material.

In preferred embodiment of the utility model, the front portion of described hearing aids also comprises elastic support, and all or part of inside that is placed in support of loud speaker maintains the space between described support and the auditory canal wall.

In preferred embodiment of the utility model, described body is made up of functional unit and body fuselage, and its functional unit is arranged at the inside of body fuselage.

In preferred embodiment of the utility model, described body fuselage material is single or compound, medical grade or non-medical grade, nonmetal or metal, elasticity or non-elastic material.

In preferred embodiment of the utility model, described body afterbody also is provided with a backguy or pull bar, and the pull bar material is single or compound, medical grade or non-medical grade, nonmetal or metal, elasticity or non-elastic material.

In preferred embodiment of the utility model, described engine body exterior is provided with one or several elastic rings, whole or locally encased by an elastic covering, elastic ring or cover material are single or compound, medical grade or non-medical grade, nonmetal or metallic elastic material.

The in-the-ear hearing aid that the utility model discloses, owing to three parts before, during and after in-the-ear hearing aid is designed to, the intermediate portion can be made up of the hinge knot jockey of universal joint form, hinge knot jockey and hearing aids are anterior for flexibly connecting, its angle can freely be controlled, and the rotation elevation angle can adapt to the requirement at human antrum auris turning up to 60 degree, make wearer's comfortable wearing, so just realized the universal hinge knot in-the-ear hearing aid of patient's use of suitable different duct dissect physiology structures; In addition, by the design to the support of front portion, make between itself and the ear wall and maintain the space, guaranteed the circulation of air in the ear, wear for a long time and also be difficult for perspiring, its loud speaker makes the sound of transmission more clear near the ear-drum place.Engine body exterior can also be provided with an elastic silicone rubber circle, makes hearing aids and human antrum auris remain Elastic Contact, wear stable, avoid when the duct muscular movement producing and hearing aids between mutual slip.

Description of drawings

Fig. 1 is the structural representation of the utility model in-the-ear hearing aid embodiment;

Fig. 2 is the utility model in-the-ear hearing aid assembling schematic diagram;

Fig. 3 is the user mode structural representation (duct front view) of the utility model in-the-ear hearing aid embodiment;

Fig. 4 is the user mode structural representation (duct vertical view) of the utility model in-the-ear hearing aid embodiment;

Fig. 5 is the structural representation of hinge knot jockey among the utility model embodiment;

Fig. 6 is a hinge knot jockey assembling schematic diagram among the utility model embodiment;

Fig. 7 is the schematic diagram of the utility model support embodiment two;

Fig. 8 is the organism internal structure spare assembling schematic diagram of the utility model machine embodiment;

Fig. 9 is the structural representation of the utility model in-the-ear hearing aid preferred embodiment one;

Figure 10 is the structural representation of the utility model in-the-ear hearing aid preferred embodiment two;

Figure 11 is the structural representation of human antrum auris;

Figure 12 is the structural representation of a kind of universal in-the-ear hearing aid of United States Patent (USP);

Among the figure, 1 is in-the-ear hearing aid, and 2 is duct, 11 is body, and 12 are hinge knot jockey, and 13 is support, 14 is body fuselage, and 15 is functional unit, and 16 is speaker housings, 17 is loud speaker, and 18 is pull bar, and 19 is the elastic silicone rubber circle, 121 is first parts, and 122 is second parts, and 123 is the 3rd parts, 124 is the 4th parts, and 21 is the cropped ear road, and 22 is MEC, 23 is the screech owl road, and 24 is dark duct, and a1 is first bend, a2 is second bend, and 111 is microphone, and 112 is chip, 113 is battery, and 114 is first mechanism's part, and 115 is second mechanism's part, 116 is the 3rd mechanism's part, and 117 is button.

Embodiment

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby protection range of the present utility model is made more explicit defining so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that.

As shown in Figure 1, illustrated a kind of universal rigidity in-the-ear hearing aid 1, the front portion that comprises hearing aids, middle part and rear portion, hearing aids front portion herein comprises loud speaker 17, hearing aids rear portion herein comprises body 11, the middle part of hearing aids herein is made of the sound conduction device, and its sound conduction device is connected with the front portion of hearing aids for hinge knot jockey a, end of hinge knot jockey 12, the other end is connected with the rear portion of hearing aids, and its hinge knot jockey 12 is a universal joint form.According to Fig. 3 and shown in Figure 4, the angle of described hinge knot jockey 12 can freely be controlled, and the rotation elevation angle can adapt to the requirement at human antrum auris turning up to 60 degree, make wearer's comfortable wearing, so just realized the universal hinge knot in-the-ear hearing aid of patient's use of suitable different ducts.

Hinge knot jockey 12 is flexible connection with the front portion of hearing aids among the utility model embodiment, with the rear portion for fixedlying connected, more convenient like this dismounting and replacing, and realized that the freedom of hearing aids front portion in duct 2 of fixedlying connected with hinge knot jockey 12 is movable, make wearer's comfortable wearing.

Fig. 2 is that the utility model in-the-ear hearing aid embodiment assembles schematic diagram, body 11 is made of body fuselage 14 and functional unit 15 in the preferred embodiment of the present utility model, functional unit 15 is located at the inside of body fuselage 14, described functional unit 15 comprises the open and close of hearing aids, parts such as the reception of audio signal, amplification, filtering, power adjustments.One end of body fuselage 14 is provided with and cuts with scissors knot jockey 12 and is connected corresponding connection protrusion hole, the other end of hinge knot jockey 12 is connected with speaker housings 16, loud speaker 17 is located at the inside of speaker housings 16, make audio signal be sent to loud speaker 17 by hinge knot jockey 12, the outside of speaker housings 16 is overlapped upper bracket 13 again.Support 13 surfaces herein are shape in the shape of a spiral, plays the Primary Location of in-the-ear hearing aid 1 and duct by support 13.Body 11 afterbodys also are provided with a pull bar 18, have made things convenient for the taking-up of in-the-ear hearing aid.Hearing aids is in when wearing with operating state, and pull bar can be coiled in the body battery compartment outdoors, and drawhead is stuck in the holddown groove.When extracting hearing aids, drawhead is extracted holddown groove, stretching pull bar can be extracted hearing aids.In embodiment of the utility model, rod material is the macromolecular material with biocompatibility, for example polyamine fat or nylon or silicon rubber.The pull bar external diameter is not more than 3mm, and length is not less than 5mm.

As Fig. 8 is the body 11 inner structural members assembling schematic diagram of the utility model embodiment, and promptly the functional unit 15 in the body 11 is made of microphone 111, chip 112, battery 113, first mechanism's part 114, second mechanism's part 115, the 3rd mechanism's part 116 and button 117.During assembling, microphone 111 places in first mechanism's part 114, and battery 113 places in the 3rd mechanism's part 116; Then the 3rd mechanism's part 116 is interspersed in first mechanism's part 114 and is connected with second mechanism's part 115 again, make it be connected to form mechanism's part of an integral body; The tail end of button 117 contacts with it by inserting the tail end that the 3rd mechanism's part 116 arrives the microphone 111 of first mechanism's part 114, controls the environment for use of microphone 111 etc. with button 117; At last chip 112 is connected with the mechanism part, places the top of battery 113.The open and close of hearing aids have been realized with the functional unit 15 of its composition, the reception of audio signal, amplification, filtering, power adjustments etc., certainly other suitable manner can be adopted in the assembling of these functional units 15 and mechanical engagement and location, and the utility model is not done qualification to this.

Universal joint is a universal joint, English name universal joint, be the parts of realizing the varied angle transmission of power, be used for the position that needs change the transmission axis direction, the structure of universal joint and effect have the joint on the point image human limb, it allows the angle between the connected part to change within the specific limits, for satisfying transmission of power, adapting to the angle turn to and cause and change.So-called universal joint refers to and utilizes ball-type to connect the mechanical structure that realizes that out-of-alignment power transmits, and in universal joint cooperated, parts (output shaft) were to be driven by the rotation of another parts (power shaft) around it around the rotation of self axle.

As shown in Figure 6, hinge in the utility model knot jockey 12 is made of four parts and forms the universal joint form, be respectively: first parts 121, second parts 122, the 3rd parts 123 and the 4th parts 124, as shown in Figure 5, so just realized that hinge knot jockey 12 can free movable function after its assembling.Its hinge knot jockey 12 can push smoothly and be placed into the position of the second bend a2 vicinity near ear-drum, at the ear feature and the size of different crowd, and can be free movable, safe in utilization.Support 13 surfaces are shape in the shape of a spiral, or is designed to other shapes as shown in Figure 7, the design of these profiles of support 13, guaranteed and the ear wall of duct 2 between produce certain space, guaranteed the circulation of air in the ear, wear for a long time and also be difficult for perspiring.

Be the application of the utility model embodiment in ear, hinge knot jockey 12 by the utility model design, make hearing aids more free in the turnover of ear inside, be positioned in the duct by support 13, and loud speaker 17 is deep near the ear-drum place, thereby guarantee that the sound that loud speaker 17 is sent directly is delivered to the human body ear-drum, reduced the volume that in-the-ear hearing aid 1 transmits in the sound process and lose in ear, improved the operating efficiency of in-the-ear hearing aid 1.

Fig. 9 and Figure 10 are the structural representations of the preferential embodiment one, two of the utility model in-the-ear hearing aid, and its difference is: among Fig. 9, the putting position of pull bar 18 is a shell end; Among Figure 10, the putting position of pull bar 18 is the housing side, can certainly be arranged on other position, such as battery door outside etc.The set-up mode of pull bar 18 is a design premises with the handled easily.The common ground of Fig. 9 and Figure 10 is: body 11 outsides can also be provided with an elastic silicone rubber circle 19, are convenient to remain Elastic Contact with duct, wear stable, avoid when the duct muscular movement producing and hearing aids between mutual slip, make wear more comfortable.In addition, this elastic silicone rubber circle 19 be configured to ear wall contact process in, can keep leaving the space between hearing aids body 11 and the ear wall, thereby guarantee that hearing aids wears in the process, the duct inner air flow is smooth and easy, thereby improves wearer's comfort level, reduces the perspiration in the ear as far as possible.

The moulding of elastic silicone rubber circle 19, can multiple structure, can be designed to a complete rubber ring such as elastic silicone rubber circle 19, in the middle of rubber ring, reserve air vent hole then, perhaps make a complete rubber ring earlier, dentation or salient point are set on rubber ring then again, thereby carry out Elastic Contact by salient point and ear wall, make like this and leave ventilation space between ear wall and the rubber ring, thereby improve human comfort.The material of elastic silicone rubber circle 19 can adopt the medical elastic material, for example have biocompatibility, hardness makes less than 60 silica gel.Elastic silicone rubber ring cross-section outer perimeter is less than 50mm.

The universal hinge knot in-the-ear hearing aid that the utility model discloses, owing to three parts before, during and after in-the-ear hearing aid is designed to, the intermediate portion is made up of hinge knot jockey, the angle of its hinge knot jockey can freely be controlled, make wearer's comfortable wearing, so just realized the universal rigidity in-the-ear hearing aid of patient's use of suitable different ducts; In addition, by the design to the support of front portion, make between itself and the ear wall and maintain the space, guaranteed the circulation of air in the ear, wear for a long time and also be difficult for perspiring, its loud speaker makes the sound of transmission more clear near the ear-drum place.Engine body exterior can also be provided with an elastic silicone rubber circle, makes hearing aids and human antrum auris remain Elastic Contact, wear stable, avoid when the duct muscular movement producing and hearing aids between mutual slip.

The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the utility model; variation or the replacement that can expect without creative work all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range that claims were limited.

Claims (9)

1. a universal hinge is tied in-the-ear hearing aid, the front portion, middle part and the rear portion that comprise hearing aids, the front portion of described hearing aids comprises loud speaker, the rear portion of described hearing aids comprises body, the middle part of described hearing aids comprises the sound conduction device, described sound conduction device is hinge knot jockey, one end of described hinge knot jockey is connected with the front portion of hearing aids, the other end is connected with the rear portion of hearing aids, it is characterized in that the anglec of rotation of described hinge knot jockey can freely be controlled according to human antrum auris dissect physiology structure.

2. universal hinge knot in-the-ear hearing aid according to claim 1 is characterized in that, described hinge knot jockey is flexible connection with the front portion of hearing aids, with the rear portion for fixedlying connected.

3. universal hinge knot in-the-ear hearing aid according to claim 2 is characterized in that described hinge knot jockey is the version of a universal joint or the series connection of a plurality of universal joint.

4. according to claim 1 or 3 described universal hinge knot in-the-ear hearing aids, it is characterized in that described hinge knot jockey is made of four parts, is respectively: first parts, second parts, the 3rd parts and the 4th parts.

5. universal hinge knot in-the-ear hearing aid according to claim 1 is characterized in that the front portion of described hearing aids also comprises elastic support, and all or part of inside that is placed in support of loud speaker maintains the space between described support and the auditory canal wall.

6. universal hinge knot in-the-ear hearing aid according to claim 1 is characterized in that described body is made up of functional unit and body fuselage, and its functional unit is arranged at the inside of body fuselage.

7. universal hinge knot in-the-ear hearing aid according to claim 6 is characterized in that, described body fuselage material is single or compound, medical grade or non-medical grade, nonmetal or metal, elasticity or non-elastic material.

8. universal hinge knot in-the-ear hearing aid according to claim 6 is characterized in that described body afterbody also is provided with a backguy or pull bar.

9. universal hinge knot in-the-ear hearing aid according to claim 6, it is characterized in that, described engine body exterior is provided with one or several elastic rings, whole or locally encased by an elastic covering, elastic ring or cover material are single or compound, medical grade or non-medical grade, nonmetal or metallic elastic material.

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