CN111988720A - Medical in-ear hearing auxiliary equipment - Google Patents
Medical in-ear hearing auxiliary equipment Download PDFInfo
- Publication number
- CN111988720A CN111988720A CN202010653420.5A CN202010653420A CN111988720A CN 111988720 A CN111988720 A CN 111988720A CN 202010653420 A CN202010653420 A CN 202010653420A CN 111988720 A CN111988720 A CN 111988720A
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- China
- Prior art keywords
- shell
- flexible
- shielding
- arc
- shaped
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention relates to a medical in-the-ear hearing auxiliary device. The in-the-ear hearing auxiliary device comprises a flexible shell and a hearing aid assembly, wherein the flexible shell is cylindrical and comprises an inner shell and an outer shell, the outer shell is sleeved on the outer surface of the inner shell, a deformation gap is formed between the outer shell and the inner shell, an installation space is formed in the inner shell, the hearing aid assembly is installed in the installation space, the hearing aid assembly comprises a microphone, a processor and a receiver which are sequentially and electrically connected, and the microphone is located at one end of the flexible shell. The medical in-ear hearing auxiliary equipment is convenient to use.
Description
Technical Field
The invention relates to a medical in-the-ear hearing auxiliary device.
Background
In the prior art, in-ear hearing assistance devices are generally concealed in-ear hearing assistance devices, so that the problem of poor appearance caused by the fact that the in-ear hearing assistance devices are exposed outside the ears can be avoided. For this reason, in-the-ear hearing assistance devices typically employ a flexible shell that is wrapped around a hard layer to match the contours of the inner ear of the user. However, due to the presence of the stiff layer, the flexible housing is difficult to deform and is not easily adapted to the inner ear of the user, which makes the in-the-ear hearing assistance device inconvenient to use.
Disclosure of Invention
Accordingly, there is a need for a medical in-the-ear hearing assistance device that is convenient to use.
The utility model provides a medical in-the-ear hearing auxiliary assembly, includes flexible casing and hearing aid subassembly, flexible casing is cylindric, and it includes interior casing and shell body, the shell body cover is located on the surface of interior casing, the shell body with be formed with the deformation clearance between the interior casing, be formed with installation space in the interior casing, hearing aid unit mount in the installation space, hearing aid subassembly includes electric connection's microphone, treater and receiver in proper order, the microphone is in the one end of flexible casing, hearing aid subassembly still includes the power, the power with the microphone the treater reaches the equal electric connection of receiver, the microphone is located the one end of flexible casing.
In one embodiment, the portable electronic device further comprises a containing box, the containing box comprises a box body and a cover body, the flexible shell is contained in the box body, and the cover body is rotatably arranged on one side of the box body.
In one embodiment, two supporting bars are arranged in the box body, a positioning gap is formed between the two supporting bars, and the flexible shell is clamped in the positioning gap.
In one embodiment, an accommodating space is formed in the box body, the two supporting bars are arranged at the bottom of the accommodating space, a pivot is arranged at one side edge of the box body, and the cover body is rotatably connected to the pivot.
In one embodiment, the cover body is provided with a clamping piece, a clamping groove is formed in the clamping piece, and the clamping piece is clamped on the flexible shell, so that the flexible shell is located in the clamping groove.
In one embodiment, the clamping member comprises two clamping bodies, the clamping groove is formed between the two clamping bodies, and an arc-shaped groove is concavely formed in the side part of each clamping body.
In one embodiment, the bottom of the box body is provided with a plurality of radiating holes, the cover body is provided with an air inlet hole, the in-ear hearing assistance device further comprises an air blower, and the air blower is communicated with the air inlet hole
In one embodiment, the air inlet hole is located in the middle of the cover body, an air inlet groove is formed in the cover body, the air inlet hole is communicated with the air inlet groove, a plurality of deodorization holes are formed in the bottom surface of the air inlet groove, and the air inlet groove is communicated with the accommodating space through the deodorization holes.
In one embodiment, the deodorizing holes and the scattering holes are circular holes, and the diameter of the deodorizing holes is larger than that of the scattering holes.
In one embodiment, the middle part of the dispersion hole is provided with a deodorizing body, and the deodorizing body is provided with activated carbon.
When the medical in-the-ear hearing auxiliary equipment is used, the flexible shell is plugged into the ear. And the external sound signal is transmitted to the processor through the microphone and finally transmitted into the ears of the people through the telephone receiver, so that the external sound is assisted to be heard by the people with the hearing failure. Because flexible casing includes interior casing and shell body, the shell body with be formed with the deformation clearance between the interior casing, consequently be in when the shell body receives the extrusion of inner ear, can produce and warp, moreover the deformation clearance does the deformation of shell provides bigger buffering area, and then makes flexible casing's deformation is comparatively easy, can adapt to different users' inner ear shape better, improves its convenient to use nature.
Drawings
Fig. 1 is a perspective view of a medical in-the-ear hearing assistance device according to an embodiment.
Fig. 2 is a perspective view of a partial structure of a wearing assembly according to an embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention.
The invention relates to a medical in-the-ear hearing auxiliary device. For example, the in-the-ear hearing assistance device includes a flexible housing and a hearing aid assembly, the flexible housing being cylindrical and including an inner housing and an outer housing. For example, the outer shell is sleeved on the outer surface of the inner shell, a deformation gap is formed between the outer shell and the inner shell, and an installation space is formed in the inner shell. For example, the hearing aid component is installed in the installation space, the hearing aid component includes a microphone, a processor and a receiver which are electrically connected in sequence, and the microphone is located at one end of the flexible shell. For example, the hearing aid assembly further comprises a power supply, and the power supply is electrically connected with the microphone, the processor and the receiver. For example, the microphone is located at one end of the flexible housing.
Referring to fig. 1, an in-the-ear hearing assistance device 100 includes a flexible housing 10 and a hearing aid assembly 20, the flexible housing is cylindrical and includes an inner housing 11 and an outer housing 15, the outer housing is sleeved on an outer surface of the inner housing, a deformation gap 17 is formed between the outer housing and the inner housing, an installation space 18 is formed in the inner housing, the hearing aid assembly is installed in the installation space, the hearing aid assembly includes a microphone 21, a processor 22 and a receiver 23 which are electrically connected in sequence, the microphone is located at one end of the flexible housing, the hearing aid assembly further includes a power supply 25, the power supply is electrically connected to the microphone, the processor and the receiver, and the microphone is located at one end of the flexible housing.
For example, the in-the-ear hearing assistance device is used by inserting the flexible shell into the ear. And the external sound signal is transmitted to the processor through the microphone and finally transmitted into the ears of the people through the telephone receiver, so that the external sound is assisted to be heard by the people with the hearing failure. Because flexible casing includes interior casing and shell body, the shell body with be formed with the deformation clearance between the interior casing, consequently be in when the shell body receives the extrusion of inner ear, can produce and warp, moreover the deformation clearance does the deformation of shell provides bigger buffering area, and then makes flexible casing's deformation is comparatively easy, can adapt to different users' inner ear shape better, improves its convenient to use nature.
For example, in order to facilitate the accommodation of the in-ear hearing assistance device when not in use, the in-ear hearing assistance device further comprises an accommodation box, the accommodation box comprises a box body and a cover body, the flexible shell is accommodated in the box body, and the cover body is rotatably arranged on one side of the box body. Be provided with two support bars in the box, be formed with the positioning gap between two support bars, flexible casing clamp is located in the positioning gap. An accommodating space is formed in the box body, the two supporting strips are arranged at the bottom of the accommodating space, a pivot is arranged at the edge of one side of the box body, and the cover body is rotationally connected to the pivot. Through setting up the containing box to the convenience will flexible housing puts into in the accommodating space, and then makes the accommodating of in-the-ear formula hearing auxiliary equipment is comparatively convenient.
For example, in order to stably mount the flexible housing in the box body, a clamping member is disposed on the cover body, a clamping groove is formed on the clamping member, and the clamping member is clamped on the flexible housing, so that the flexible housing is located in the clamping groove. The screens piece includes that two blocks establish the body, the card establishes the groove and forms in two blocks establish between the body, the concave arc recess that is equipped with of lateral part that the body was established to the card. By arranging the two clamping bodies in the box body, the two clamping bodies can be utilized to fix the flexible shell, and then the flexible shell is stably fixed in the box body.
For example, the time that ear internal hearing auxiliary equipment is stuffed in the ear is longer, and it can receive the fumigation of smell in the ear, has the smell easily, has dust such as ear fag even, and for the ease of detaching the smell and with the impurity on it blowing off, a plurality of scattering holes have been seted up to the bottom of box, the intake port has been seted up on the lid, ear internal hearing auxiliary equipment still includes the air-blower, the air-blower with the intake port intercommunication the intake port is located the middle part position of lid, be provided with the intake stack on the lid, the intake port with the intake stack intercommunication, the bottom surface of intake stack has been seted upAnd the air inlet groove is communicated with the accommodating space through the plurality of deodorization holes. The deodorization hole and the dispersion hole are circular holes, and the diameter of the deodorization hole is larger than that of the dispersion hole. The middle part of the scattering hole is provided with a deodorizing body, and the deodorizing body is internally provided with active carbon. Through setting up fresh air inlet, air inlet tank, deodorization hole to make the air current that the air-blower produced blow to flexible casing, so that the smell on the flexible casing distributes away. And at the bottom of said tankDeodorizing bodyThe activated carbon in the soft shell can absorb the odor on the soft shell, so that the odor on the soft shell can be clearly and thoroughly removed.
It is particularly important, for example, to facilitate concealment, to refer to fig. 2 that the in-the-ear hearing assistance device further comprises a wearing assembly 50 comprising a wearing ring 51 for wearing on the head and two shielding domes (not shown), which are respectively disposed at opposite ends of the wearing ring. The wearing ring is an arc-shaped ring to be suitable for the head shape of a person, and the flexible shell is arranged on one side in the shielding dome cover in a blocking mode. The wearing component looks like a headset, which avoids unjustified guessing by outsiders. For example, a dome-shaped cavity is formed in the shielding dome, the flexible shell is arranged on the side, facing the ear, of the dome-shaped cavity, and an ear ring pad is arranged on the periphery of the shielding dome and used for being arranged on the periphery of the ear, so that wearing comfort is improved. For example, in order to avoid the shielding dome from affecting the sound receiving effect of the flexible housing, a plurality of sound receiving holes are formed in the periphery of the shielding dome, the plurality of sound receiving holes are all communicated with the dome-shaped cavity, and the diameters of the sound receiving holes are gradually reduced along the direction towards ears. When the wearing ring is worn, light rays in the dome-shaped cavity are few, and the internal structure cannot be seen from the outside, so that the flexible shell in the dome-shaped cavity is prevented from being seen by outsiders, and the concealment of the flexible shell is improved. For example, in order to facilitate adaptation to different people, the wearing ring comprises an arc-shaped middle strip 511 and two connecting strips 513, the two connecting strips are respectively formed at two opposite ends of the arc-shaped middle strip, the arc-shaped middle strip is a flexible strip, the wearing ring can be made to conform to the head shape of people of different colors and the like through deformation and elongation of the arc-shaped middle strip, the wearing applicability is improved, and the two shielding domes are respectively connected to the end parts of the two connecting strips. For example, in order to avoid the random rotation of the wearing ring, that is, to avoid the wearing ring from rotating around the connecting line of the two ears, the arc-shaped middle strip is further provided with a holding shell 514 in a protruding manner, the holding shell is an arc-shaped shell, and the holding shell extends in a direction perpendicular to the arc-shaped middle strip and is used for being mounted on the head of a person, for example, the hindbrain of the person, so that the random movement of the wearing ring is avoided.
For example, in order to avoid the influence on the flexible shell caused by external impact on the wearing ring, a plurality of elastic pull ropes are arranged on the outer side of the flexible shell, are positioned in the dome-shaped cavity and are connected to the inner side of the shielding dome cover, so when the wearing ring vibrates due to impact, the flexible shell hardly vibrates due to the plurality of elastic pull ropes, and the use safety of the flexible shell is improved. When the flexible shell is worn, the elastic pull ropes are pulled firstly to insert the flexible shell into the ear, and then the flexible shell is worn. For example, in order to facilitate the installation of the flexible casing in the box body, the elastic pulling ropes are detachably sleeved on the flexible casing and surround the peripheral surface of the flexible casing, for example, an elastic sleeve ring is formed at an end of each elastic pulling rope, and the elastic sleeve ring is sleeved on the peripheral surface of the flexible casing. The elastic lantern rings of the elastic pull ropes are sequentially arranged. The elastic lantern rings can form a part of the flexible shell on the basis of improving the flexibility of the flexible shell, so that sound signals can be transmitted on the inner side of the flexible shell, the sound transmission effect is improved, and the side part of the flexible shell is prevented from leaking.
For example, for women, in order to put up the hair with the help of wearing and establish the hoop, wear the bottom of establishing the ring and set up a plurality of comb strips 55, a plurality of comb strips are flexible, a plurality of comb strips evenly interval sets up, and lay in the bottom of arc middle strip and two connecting strips, utilize a plurality of comb strips can comb the hair, also fix with the help of the hair when fixing hair or bang wear to establish the ring to realize the efficiency of killing two birds with one stone. For example, in order to detach the sliver when not needed, the bottom of the wearing ring is concavely provided with an embedding groove 511, a sliver main body is detachably arranged in the embedding groove, and the plurality of slivers are convexly arranged on the sliver main body. The opposite two side edges of the embedded groove are convexly provided with protective edges, and the two protective edges are respectively clamped on the opposite two sides of the sliver main body, so that the sliver main body is not easy to fall off. When the male wears the ring, the comb strip main body is detached, the two protective edges can be used for abutting against the top of the head, the embedding groove can contain part of hair, and the hair can be adsorbed on the top of the head by using a cavity in the embedding groove, so that the wearing stability of the ring is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. A medical in-ear hearing assistance device is characterized by comprising a flexible shell and a hearing aid assembly, wherein the flexible shell is cylindrical and comprises an inner shell and an outer shell, the outer shell is sleeved on the outer surface of the inner shell, a deformation gap is formed between the outer shell and the inner shell, an installation space is formed in the inner shell, the hearing aid assembly is installed in the installation space, the hearing aid assembly comprises a microphone, a processor and a receiver which are electrically connected in sequence, the microphone is arranged at one end of the flexible shell, the hearing aid assembly further comprises a power supply, the power supply is electrically connected with the microphone, the processor and the receiver, and the microphone is arranged at one end of the flexible shell;
the medical in-ear hearing auxiliary equipment further comprises a wearing assembly, the wearing assembly comprises a wearing ring and two shielding domes, the wearing ring is used for wearing the head, the two shielding domes are respectively arranged at the two opposite ends of the wearing ring, the wearing ring is an arc-shaped ring to be suitable for the shape of the head of a person, the flexible shell is arranged at one side in the shielding domes in a shielding manner, dome-shaped cavities are formed in the shielding domes, the flexible shell is arranged at one sides of the dome-shaped cavities towards ears, ear ring cushions are arranged at the peripheries of the shielding domes and are used for being arranged at the peripheries of the ears, a plurality of sound receiving holes are formed in the peripheries of the shielding domes, the plurality of sound receiving holes are communicated with the dome-shaped cavities, the diameters of the sound receiving holes are gradually reduced along the direction towards the ears, the wearing ring comprises an arc-shaped middle strip and two connecting strips, and the two connecting strips are respectively formed at the two opposite ends of the arc-shaped middle strip, the arc-shaped middle strip is a flexible strip, the two shielding dome covers are respectively connected with the end parts of the two connecting strips, a fixing shell is convexly arranged on the arc-shaped middle strip and is an arc-shaped shell, the fixing shell extends along the direction perpendicular to the arc-shaped middle strip and is used for being erected on the head of a person, a plurality of elastic pull ropes are arranged on the outer side of the flexible shell and are positioned in the dome-shaped cavity and connected with the inner side of the shielding dome covers, the elastic pull ropes are detachably sleeved on the flexible shell and surround the peripheral surface of the flexible shell, elastic sleeve rings are formed at the end parts of the elastic pull ropes, the elastic sleeve rings are sleeved on the peripheral surface of the flexible shell, the elastic sleeve rings of the elastic pull ropes are sequentially arranged, a plurality of comb strips are arranged at the bottom of the erecting ring, and the comb strips are flexible strips, the plurality of comb strips are arranged at equal intervals and are arranged at the bottoms of the arc-shaped middle strip and the two connecting strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010653420.5A CN111988720A (en) | 2018-04-29 | 2018-04-29 | Medical in-ear hearing auxiliary equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810405416.XA CN108430022B (en) | 2018-04-29 | 2018-04-29 | Medical in-the-ear hearing auxiliary equipment |
| CN202010653420.5A CN111988720A (en) | 2018-04-29 | 2018-04-29 | Medical in-ear hearing auxiliary equipment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810405416.XA Division CN108430022B (en) | 2018-04-29 | 2018-04-29 | Medical in-the-ear hearing auxiliary equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111988720A true CN111988720A (en) | 2020-11-24 |
Family
ID=63162145
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010653420.5A Withdrawn CN111988720A (en) | 2018-04-29 | 2018-04-29 | Medical in-ear hearing auxiliary equipment |
| CN202010653414.XA Withdrawn CN111988719A (en) | 2018-04-29 | 2018-04-29 | Medical in-the-ear hearing auxiliary equipment |
| CN201810405416.XA Active CN108430022B (en) | 2018-04-29 | 2018-04-29 | Medical in-the-ear hearing auxiliary equipment |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010653414.XA Withdrawn CN111988719A (en) | 2018-04-29 | 2018-04-29 | Medical in-the-ear hearing auxiliary equipment |
| CN201810405416.XA Active CN108430022B (en) | 2018-04-29 | 2018-04-29 | Medical in-the-ear hearing auxiliary equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN111988720A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349081A (en) * | 1980-12-08 | 1982-09-14 | Audrey Pepple | Method for retaining a hearing aid in place and hearing aid harness |
| US20080051623A1 (en) * | 2003-01-27 | 2008-02-28 | Schneider Robert E | Simplified implantable hearing aid transducer apparatus |
| CN202035123U (en) * | 2011-01-21 | 2011-11-09 | 东莞达电电子有限公司 | Bass in-ear earphone |
| CN104067636A (en) * | 2011-11-23 | 2014-09-24 | 声音医药公司 | Canal hearing devices and batteries for use with same |
| CN204031454U (en) * | 2014-08-21 | 2014-12-17 | 陈玉鹏 | Hearing aids |
| US20150047960A1 (en) * | 2013-08-13 | 2015-02-19 | Audina Hearing Instruments | Pushbutton pullstring adapter for hearing aid |
| CN106358131A (en) * | 2016-08-29 | 2017-01-25 | 苏州倍声声学技术有限公司 | Bone conduction hearing aids |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5327499A (en) * | 1992-06-10 | 1994-07-05 | Sohayda Mary D | Safety device for a hearing aid |
| JP2000032598A (en) * | 1998-07-09 | 2000-01-28 | Asahi Chem Ind Co Ltd | Hearing aid coupler |
| CN2563878Y (en) * | 2002-06-25 | 2003-07-30 | 朱国安 | Humidify removing box for hearing-aid |
| US8175315B2 (en) * | 2007-08-08 | 2012-05-08 | Victor Company Of Japan, Ltd. | Headphone set and method of producing the same |
| CN201365341Y (en) * | 2009-03-13 | 2009-12-16 | 张士凤 | Simple audiphone for patient suffering presbycusis |
| US20130279732A1 (en) * | 2012-04-23 | 2013-10-24 | Knowles Electronics, Llc | Shock Resistant Receiver And Method Of Manufacturing The Same |
| CN205830022U (en) * | 2016-04-27 | 2016-12-21 | 十次元股份有限公司 | Wear-type sonifer |
| DE102016208940B4 (en) * | 2016-05-24 | 2020-01-23 | Sivantos Pte. Ltd. | Holding umbrella for a standard earpiece |
| CN206125803U (en) * | 2016-10-25 | 2017-04-26 | 广州市麦力声医疗器械有限公司 | A drying box for depositing audiphone |
-
2018
- 2018-04-29 CN CN202010653420.5A patent/CN111988720A/en not_active Withdrawn
- 2018-04-29 CN CN202010653414.XA patent/CN111988719A/en not_active Withdrawn
- 2018-04-29 CN CN201810405416.XA patent/CN108430022B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349081A (en) * | 1980-12-08 | 1982-09-14 | Audrey Pepple | Method for retaining a hearing aid in place and hearing aid harness |
| US20080051623A1 (en) * | 2003-01-27 | 2008-02-28 | Schneider Robert E | Simplified implantable hearing aid transducer apparatus |
| CN202035123U (en) * | 2011-01-21 | 2011-11-09 | 东莞达电电子有限公司 | Bass in-ear earphone |
| CN104067636A (en) * | 2011-11-23 | 2014-09-24 | 声音医药公司 | Canal hearing devices and batteries for use with same |
| US20150047960A1 (en) * | 2013-08-13 | 2015-02-19 | Audina Hearing Instruments | Pushbutton pullstring adapter for hearing aid |
| CN204031454U (en) * | 2014-08-21 | 2014-12-17 | 陈玉鹏 | Hearing aids |
| CN106358131A (en) * | 2016-08-29 | 2017-01-25 | 苏州倍声声学技术有限公司 | Bone conduction hearing aids |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111988719A (en) | 2020-11-24 |
| CN108430022B (en) | 2020-08-28 |
| CN108430022A (en) | 2018-08-21 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201124 |
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| WW01 | Invention patent application withdrawn after publication |