CN101895808A - Ear-carried type hearing aid for receiving sound in ears - Google Patents
Ear-carried type hearing aid for receiving sound in ears Download PDFInfo
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- CN101895808A CN101895808A CN2010102516878A CN201010251687A CN101895808A CN 101895808 A CN101895808 A CN 101895808A CN 2010102516878 A CN2010102516878 A CN 2010102516878A CN 201010251687 A CN201010251687 A CN 201010251687A CN 101895808 A CN101895808 A CN 101895808A
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Abstract
The invention discloses an ear-carried type hearing aid (6) for receiving sound in ears, comprising loudspeakers (5). Air conduits (1) are connected to the loudspeakers (5) through flexible tubes (2) and are arranged nearby Eustachian tubes of middle ears. The hearing aid solves the problem of signal attenuation when signals are transmitted to eardrums, changes the traditional mode of improving the received sounds of users by improving the qualities of signals into the mode of adding the air conduits (1) by changing a structure under the premise of ensuring the wearing comfortableness of the users to directly transmit the sound signals to the eardrums from external auditory canals, thereby the users can obtain higher power effect, the power of the ear-carried type hearing aid for receiving sound in ears is improved by above 20%.
Description
Technical field
The present invention relates to a kind of device of awarding words loudspeaker power in the ear of strengthening, award words hard of hearing formula (BTE) hearing aids in particularly a kind of ear, described hearing aids is strengthened by architecture advances and is awarded words in the ear.
Background technology
The producer that produces hearing aids now all makes an issue of at aspects such as the output signal that improves hearing aids, inhibition ambient noise, sound reflection signals mostly, is used for guaranteeing the quality of output signal.But they have ignored an important factor: even the quality of signals of output is fine, but the part that the user receives seldom, and the user can not obtain effect preferably.For example application number is 200810089520.9 Chinese patent application, U.S. Pat 2004/0190734, and its purpose is exactly in order to obtain the higher output signal of quality.
It (is hard of hearing formula, BTE) and two kinds of ear types (CIC) that hearing aids on the market has supra-aural.As shown in Figure 1, duct generally is divided into external auditory meatus 101, MEC 102, dark duct 104 and ear-drum 103, ear-level hearing aid, award the words loudspeaker in the ear and just be placed on external auditory meatus 101 porch usually, apart from MEC 102 and ear-drum 103 suitable distance is arranged still, and the fixedly plug of loudspeaker outside must leave the circulation of air slit.Therefore, even loudspeaker power is very strong, loudspeaker power is hearing aids power just, will lose up to 30%, has reduced result of use.Many severe hearing loss patients complain that ear-carried type hearing aid for receiving sound in ears power is little.When loudspeaker are crossed when near the phenomenon of very easily empathizing again apart from ear-drum.
Summary of the invention
Technical problem to be solved by this invention is under the prerequisite of the battery that does not increase hearing aids, loudspeaker and system power, and a kind of ear-carried type hearing aid for receiving sound in ears that improves hearing aids power is provided.
For reaching above-mentioned technique effect, technical scheme of the present invention is: a kind of ear-carried type hearing aid for receiving sound in ears, comprise loudspeaker, on described loudspeaker, be connected with and strengthen the device of awarding words loudspeaker power in the ear, the device of awarding words loudspeaker power in the described reinforcement ear is an airway, described airway places near middle ear Eustachian tube place, thereby the hearing aids voice signal is delivered directly near middle ear tympanum and eardrum and phonophore.
Described conductance pipe range is 5mm～20mm, and airway just can be near the middle ear Eustachian tube like this, and its internal diameter can be set to 0.2mm～10mm in addition, and external diameter can be set to 1.0mm～15mm.
The profile in described airway cross section is circular, oval, square, polygon or ear canal shapes, in the airway or outside dimension, passes through, and can be to become big evenly, gradually or dwindle.
Described airway is single hole or porous; When airway was porous, its pore was even or non-homogeneous aperture, and arranged by even or non-homogeneous mode.Described hole can be a circle or non-round, and the aperture is 0.05mm～6mm.Such airway structure has not only strengthened its support strength, even if when airway produces certain deformation, it also can guarantee unimpeded.
Be placed to assigned address and taking-up for ease of hearing aids, help being fixed in the duct, described airway is along the continuous or discontinuous variation of the rigidity of structure of duct length direction, and stiffness variation can or connect the configuration shape and change in size realizes by the material pairing.
Described airway is by excessively cooperating cold or modes such as hot jacket, glue bond, mechanical couplings are inner with loudspeaker or the outside is connected.
For guaranteeing that airway has certain suppleness, the material of described airway is the single or mixing high molecular polymer of hardness between 20-80, and described polymer can be silicon rubber, polyurethane, chlorine tincture rubber or plastics.
In order to reduce the damping effect of sound wave transmittance process, the inside pipe wall smoothness of described airway exists
Between.For reducing the damping effect of sound wave transmittance process, the airway inside pipe wall also can carry out special surface to be handled.
Described airway is provided with earplug, and described earplug places the end or the middle part of airway.The natural frequency of the material of airway and earplug and the structural system of being formed is more than 8000Hz.
Described airway is a linear pattern or preformed according to the curved shape of duct along the duct direction.
The invention has the beneficial effects as follows: the problem of signal attenuation when hearing aids solution signal of the present invention is delivered to ear-drum, under the prerequisite that guarantees user's comfortable wearing, traditional raising quality of signals is improved the mode of user's reception sound, change into by changing structure, the mode that increases feed channel makes voice signal be directly delivered to ear-drum from external auditory meatus, thereby the user can obtain higher power effect, improves ear-carried type hearing aid for receiving sound in ears power more than 20%.The present invention simultaneously is easy to put and take out.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of ear.
This structural representation of Fig. 2 for invention.
Fig. 3 is for awarding the apparatus structure schematic diagram of words loudspeaker power in the reinforcement ear of the present invention.
Fig. 4 is the length schematic diagram of duct.
Fig. 5 is the schematic cross-section of porous airway.
Fig. 6 is the schematic cross-section of three hole airways.
Fig. 7 is the schematic cross-section of four hole airways.
Fig. 8 is the schematic cross-section of five hole airways.
Fig. 9 is the schematic cross-section of seven apertures in the human head airway.
Figure 10 is an earhole shaped cross schematic diagram.
Figure 11 realizes the cutaway view of first kind of mode of differently curved rigidity for airway elongatedness direction.
Figure 12 realizes the cutaway view of the second way of differently curved rigidity for airway elongatedness direction.
Figure 13 realizes the cutaway view of the third mode of differently curved rigidity for airway elongatedness direction.
Figure 14 realizes the cutaway view of the 4th kind of mode of differently curved rigidity for airway elongatedness direction.
Figure 15 places the interior schematic diagram of ear for hearing aids of the present invention.
Embodiment
As shown in Figure 2, a kind of ear-carried type hearing aid for receiving sound in ears 6, comprise loudspeaker 5, on described loudspeaker 5, be connected with the device of awarding words loudspeaker 5 power in the reinforcement ear by flexible pipe 2 (as shown in Figure 3), the device of awarding words loudspeaker 5 power in the described reinforcement ear is an airway 1, described airway 1 places near middle ear Eustachian tube place, thereby the hearing aids voice signal is delivered directly near middle ear tympanum and eardrum and phonophore.
For preventing to leak along the acoustic pressure of periphery; Provide near near the airflow path the duct center to prevent black-out effect; Support and fixedly loudspeaker and airway 1, prevent loosening or dislocation, prevent vibrations and resonance; Soft and wear comfortable; Be convenient to change or clear up earwax etc.; Be easy to put and take out, airway 1 is provided with earplug 3, and described earplug 3 places the end or the middle part of airway 1.Earplug can be one pole, twin-stage or multipole, evenly or non-uniform Distribution in the airway end, middle part or other positions.
U.S. Pat 7092543B1 has introduced crowd's MEC 4 length that influenced by hearing, as shown in Figure 4, the length of its duct 4 is between 23mm-34mm, wherein duct 4 average lengths of left ear are 28.31mm, duct 4 average lengths of auris dextra are 28.27mm, and the average length that draws duct 4 is 28.29mm.Therefore, described airway 1 length is 5mm～20mm, and airway 1 just can be near the middle ear Eustachian tube like this, and its internal diameter can be set to 0.2mm～10mm in addition, and external diameter can be set to 1.0mm～15mm.
Airway 1 can be for being single hole or porous; Shown in Figure 5 is that airway 1 is the schematic cross-section of porous.When airway 1 was porous, its pore was even or non-homogeneous aperture, and arranged by even or non-homogeneous mode.Such airway 1 structure has not only strengthened its support strength, even if when airway 1 produces certain deformation, it also can guarantee unimpeded.
That Fig. 6 is extremely shown in Figure 9 is the embodiment with airway of porous, and wherein, shown in Figure 6 is that airway 1 is the schematic cross-section in three holes; Shown in Figure 7 is that airway 1 is the schematic cross-section in four holes; Shown in Figure 8 is that airway 1 is the schematic cross-section in five holes; Shown in Figure 9 is that airway 1 is the schematic cross-section of seven apertures in the human head.Described hole can be a circle or non-round, and the aperture is 0.05mm～6mm.
The profile in airway 1 cross section is circular, oval, square, polygon or ear canal shapes, in the airway 1 or outside dimension, passes through, and can be to become big evenly, gradually or dwindle.Shown in Figure 10 is the schematic cross-section of duct 4, and it is shaped as approximate ellipsoidal.
Be placed to assigned address and taking-up for ease of hearing aids, help being fixed in the duct, described airway 1 is along the continuous or discontinuous variation of the structural bending rigidity of duct length direction, bending stiffness changes and can or connect the configuration shape and change in size realizes by the material pairing, and it can be to change continuously or stepped change that its bending stiffness changes.
Figure 11, shown in Figure 12 be the generalized section of bending stiffness continually varying airway; Shown in Figure 13 is the generalized section of the airway of bending stiffness stepped change; Shown in Figure 14 is the generalized section that bending stiffness is passed through the airway of changes in material, and wherein the first 7 of airway, second portion 8 and third part 9 adopt different materials.
Airway 1 can be by excessively cooperating cold or modes such as hot jacket, glue bond, mechanical couplings are connected with the inside or the outside of loudspeaker 5.
Can be provided with earplug 3 on the airway 1, described earplug 3 places the end or the middle part of airway.The natural frequency of airway 1 and earplug 3 materials is avoided self because voice signal is propagated the vibration or the resonance that may cause more than 8000Hz.Simultaneously, material therefor has certain flexibility, is easy to put and take out, and wears comfortable.
Airway 1 can be preformed for linear pattern or according to the curved shape of duct 4 along the duct direction, as shown in Figure 7 for hearing aids of the present invention places the schematic diagram of duct 4, it is curved shape in duct 4.
For guaranteeing that dark duct 4 positions that airway 1 has certain suppleness to push smoothly to be placed into appointment do not produce unstability or torsional deformation, the material of airway 1 adopts the single or mixing high molecular polymer of hardness between 20-80, and described polymer can be silicon rubber, polyurethane, chlorine tincture rubber or plastics.
In order to reduce the damping effect of sound wave transmittance process, the inside pipe wall smoothness of described airway 1 exists
Between.For reducing the damping effect of sound wave transmittance process, airway 1 inside pipe wall also can carry out special surface to be handled, such as being coated with ETFE, PTFE, Parylene, Parylin,, Parylast,, Polyurethane,, Polyethylenimin, Polyimide, polyurethane etc.
The foregoing description does not limit the present invention in any way, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in protection scope of the present invention.
Claims (12)
1. an ear-carried type hearing aid for receiving sound in ears (6), comprise loudspeaker, it is characterized in that: on described loudspeaker (5), be connected with and strengthen the device of awarding words loudspeaker (5) power in the ear, the device of awarding words loudspeaker (5) power in the described reinforcement ear is an airway (1), and described airway (1) places near middle ear Eustachian tube place.
2. ear-carried type hearing aid for receiving sound in ears according to claim 1 (6) is characterized in that: described airway (1) is long to be 5mm～20mm, and internal diameter is 0.2mm～10mm, and external diameter is 1.0mm～15mm.
3. ear-carried type hearing aid for receiving sound in ears according to claim 1 (6) is characterized in that: described airway (1) cross-sectional shape is circular, oval, square, polygon or duct (4) shape.
4. according to claim 1,2 or 3 described ear-carried type hearing aid for receiving sound in ears (6), it is characterized in that: described airway (1) is single hole or porous; When airway (1) was porous, its pore was even or non-homogeneous aperture, and arranged by even or non-homogeneous mode; Described hole can be a circle or non-round, and its aperture is 0.05mm～6mm.
5. ear-carried type hearing aid for receiving sound in ears according to claim 4 (6) is characterized in that: described airway (1) is along the continuous or discontinuous variation of structural bending rigidity of duct (4) length direction.
6. ear-carried type hearing aid for receiving sound in ears according to claim 1 (6) is characterized in that: described airway (1) is by excessively cooperating cold or modes such as hot jacket, glue bond, mechanical couplings are inner with loudspeaker or the outside is connected.
7. ear-carried type hearing aid for receiving sound in ears according to claim 1 (6) is characterized in that: the material of described airway (1) is the single or mixing high molecular polymer of hardness between 20-80.
8. ear-carried type hearing aid for receiving sound in ears according to claim 7 (6) is characterized in that: described polymer is silicon rubber, polyurethane, chlorine tincture rubber or plastics.
9. ear-carried type hearing aid for receiving sound in ears according to claim 1 (6) is characterized in that: the inside pipe wall smoothness of described airway (1) exists
Between.
10. ear-carried type hearing aid for receiving sound in ears according to claim 1 (6) is characterized in that: described airway (1) is provided with earplug (3), and described earplug (3) places the end or the middle part of airway (1).
11. ear-carried type hearing aid for receiving sound in ears according to claim 10 (6) is characterized in that: the material of described airway (1) and earplug (3) with form the natural frequency of structural system more than 8000Hz.
12. ear-carried type hearing aid for receiving sound in ears according to claim 1 (6) is characterized in that: described airway (1) is a linear pattern or preformed according to the curved shape of duct along the duct direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102516878A CN101895808A (en) | 2009-12-31 | 2010-08-06 | Ear-carried type hearing aid for receiving sound in ears |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910264211.5 | 2009-12-31 | ||
| CN200910264211 | 2009-12-31 | ||
| CN2010102516878A CN101895808A (en) | 2009-12-31 | 2010-08-06 | Ear-carried type hearing aid for receiving sound in ears |
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| Publication Number | Publication Date |
|---|---|
| CN101895808A true CN101895808A (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102516878A Pending CN101895808A (en) | 2009-12-31 | 2010-08-06 | Ear-carried type hearing aid for receiving sound in ears |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413410A (en) * | 2011-12-16 | 2012-04-11 | 江苏贝泰福医疗科技有限公司 | Digital hearing-aid |
| CN118509781A (en) * | 2024-07-17 | 2024-08-16 | 杭州惠耳听力技术设备有限公司 | Resonance silencing type auditory canal hearing aid vent structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004010734A1 (en) * | 2002-07-18 | 2004-01-29 | Insound Medical, Inc. | Canal hearing device with tubular insert |
| CN101543096A (en) * | 2006-08-07 | 2009-09-23 | Med-El电气医疗器械有限公司 | Middle ear direct action improved hearing aid and related installation method |
-
2010
- 2010-08-06 CN CN2010102516878A patent/CN101895808A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004010734A1 (en) * | 2002-07-18 | 2004-01-29 | Insound Medical, Inc. | Canal hearing device with tubular insert |
| CN101543096A (en) * | 2006-08-07 | 2009-09-23 | Med-El电气医疗器械有限公司 | Middle ear direct action improved hearing aid and related installation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413410A (en) * | 2011-12-16 | 2012-04-11 | 江苏贝泰福医疗科技有限公司 | Digital hearing-aid |
| CN118509781A (en) * | 2024-07-17 | 2024-08-16 | 杭州惠耳听力技术设备有限公司 | Resonance silencing type auditory canal hearing aid vent structure |
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Application publication date: 20101124 |