CN218071801U

CN218071801U - Hearing assistance device

Info

Publication number: CN218071801U
Application number: CN202221248350.6U
Authority: CN
Inventors: 陈爱民; 宋哲超; 林成有
Original assignee: Shenzhen Ausounds Intelligent Co Ltd
Current assignee: Shenzhen Ausounds Intelligent Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-12-16
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a hearing auxiliary device, which comprises a clamping mechanism, an ear back bone guide part, an in-ear bone guide part and a control unit, wherein the clamping mechanism comprises an elastic ear clip part and two fixing parts arranged at two ends of the ear clip part, and the ear clip part is used for clamping an earlobe and an auricle cartilage part above the earlobe; the ear back bone guide part is arranged on one fixing part, and the ear inner bone guide part is arranged on the other fixing part; the control unit is arranged on the clamping mechanism or the ear back bone guide part or the ear inner bone guide part, is electrically connected with the ear back bone guide part and the ear inner bone guide part and is used for controlling the ear back bone guide part and the ear inner bone guide part to vibrate; when the ear clip part is clamped on the auricular cartilage, the ear back bone conduction part is contacted with the mastoid bone contacting part of the ear back to transmit vibration in a bone conduction mode, and the ear internal bone conduction part is arranged in the external auditory canal to transmit vibration through air. The utility model discloses technical scheme easily wears, is difficult for dropping, possesses two kinds of sound conduction modes of bone transmission and air conduction moreover, can promote the hearing aid effect.

Description

Hearing assistance device

Technical Field

The utility model relates to an earphone technical field, in particular to hearing auxiliary assembly.

Background

Bone conduction is a sound conduction mode, i.e. electrical signals are converted into mechanical vibration, and the mechanical vibration is transmitted through the skull, the bone labyrinth, the lymph fluid of the inner ear, the spiral organ, the auditory spirit and the auditory center of cerebral cortex of a human body to realize the transmission of sound waves. The global hearing assistance device market can be broadly divided into: hearing compensated accessory devices and hearing implants. Hearing compensation aids can be divided into: hearing aids and hearing aids. Hearing implants can be further subdivided into cochlear implant implants and bone anchored implants. The hearing aid improves the ability to hear sound as does a hearing aid, but the hearing aid is not a medical device, but an electronic product. Both are subject to different degrees of supervision. The hearing auxiliary equipment utilizes bone conduction technology to receive the telephone, clings to the skull, and the sound wave can be directly transmitted to the auditory nerve through the bone without passing through the external auditory canal and the eardrum, so that the ears can be liberated. With the gradual development of the technology, the hearing assistance device will be developed to be light and small. The layout of the existing hearing auxiliary equipment is not compact enough, the wearing mode is single, and the sound transmission mode is single.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hearing auxiliary assembly aims at providing one kind and easily wears, is difficult for dropping, possesses multipath sound transmission mode moreover, can promote the hearing aid effect.

In order to achieve the above object, the present invention provides a hearing assistance device, comprising:

the clamping mechanism comprises an elastic ear clamp part and two fixing parts respectively arranged at two ends of the ear clamp part, and the ear clamp part is used for clamping an earlobe and an auricle cartilage part above the earlobe;

an ear back bone guide part, which is arranged on one of the fixing parts,

an in-ear bone guide provided at the other fixing portion; and

the control unit is arranged on the clamping mechanism or the ear back bone guide part or the in-ear bone guide part, electrically connected with the ear back bone guide part and the in-ear bone guide part, and used for controlling the ear back bone guide part and the in-ear bone guide part to transmit sound sources;

when the ear clip part is clamped on the auricular cartilage, the auricular back bone conduction part is contacted with the mastoid bone contacting part of the auricular back to transmit vibration through a bone passage of the auricular back, and the auricular internal bone conduction part is arranged in an external auditory canal to transmit vibration through the bone passage in the ear.

Optionally, the back of the ear bone conduction part comprises a back of the ear shell and a first bone conduction vibrator arranged in the back of the ear shell.

Optionally, the in-ear bone conduction part comprises the second bone conduction vibrator capable of transmitting vibration through bone conduction and transmitting vibration through air, and the in-ear shell is provided with at least one sound outlet hole for sound wave to pass out.

Optionally, the in-ear bone conduction portion further includes an air conduction speaker disposed in the in-ear shell, the air conduction speaker is disposed near the second bone conduction vibrator, and the in-ear shell is disposed with at least one sound hole corresponding to the air conduction speaker.

Optionally, the in-ear bone guide further comprises an earplug conduit, the earplug conduit being hermetically connected to the sound outlet hole.

Optionally, the earplug conduit is of a silicone material.

Optionally, the in-ear bone conduction part further includes a second bone conduction vibrator, and the second bone conduction vibrator is disposed above the air conduction speaker.

Optionally, the hearing assistance device further comprises a microphone provided on at least one of the behind-the-ear bone guide and the in-the-ear bone guide.

Optionally, the ear clip portion is adjustably disposed.

Optionally, the ear clip portion is one of an adjustable hinge, a ductile metallic member, an adjustable spring, a telescoping rod, and a drawstring.

Optionally, the control unit includes a main control board, a bluetooth module coupled to the main control board, and the main control board is used for controlling the switch of the ear back bone guide portion or the ear inner bone guide portion.

The technical scheme of the utility model is that the clamping mechanism comprises an elastic ear clamp part and two fixing parts respectively arranged at one end of the ear clamp part through a clamping mechanism, an ear back bone guide part, an ear inner bone guide part and a control unit, wherein the ear clamp part is used for clamping an earlobe and an auricle cartilage part above the earlobe; the ear back bone guide part is arranged on one fixing part, the in-ear bone guide part is arranged on the other fixing part, the control unit is arranged on the clamping mechanism or the ear back bone guide part or the in-ear bone guide part, the control unit is electrically connected with the ear back bone guide part and the in-ear bone guide part, and the control unit is used for controlling the ear back bone guide part and the in-ear bone guide part to transmit sound sources; when the ear clip part is clamped on the auricular cartilage, the auricular dorsal bone conduction part is contacted with the mastoid bone contacting part of the auricular dorsal to transmit vibration through a bone passage of the auricular dorsal, and the auricular internal bone conduction part is arranged in the external auditory canal to transmit vibration through the bone passage in the ear. The hearing assistance device includes an intra-aural bone conduction path that contacts the mastoid bone and an intra-aural bone conduction path that contacts the external auditory canal. The hearing aid effect is improved by two selectable transmission directions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a block diagram of a hearing assistance device according to the present invention;

FIG. 2 is a schematic view of the hearing assistance device of the present invention worn on an ear tube;

FIG. 3 is a schematic view of an embodiment of the hearing assistance device of the present invention;

fig. 4 is a schematic view of another angle in fig. 3.

The reference numbers indicate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Hearing assistance device	4	Ear back bone guide
1	Clamping mechanism	5	Ear back shell
				2	Ear clip part	6	In-ear bone guide
3	Fixing part	7	Ear inner shell

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application related to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are implicitly being indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Bone conduction is a sound conduction mode, namely, an electric signal is converted into mechanical vibration, and the mechanical vibration is transmitted through the skull, the bone labyrinth, the lymph fluid of the inner ear, the spiral organ, the auditory spirit and the auditory center of the cerebral cortex of a human body to realize the transmission of sound waves. The global hearing assistance device market can be broadly divided into: hearing compensation aids and hearing implants. Hearing compensation aids can be divided into: hearing aids and hearing aids. Hearing implants can be further subdivided into cochlear implant implants and bone anchored implants. The hearing aid improves the ability to hear sound as does a hearing aid, but the hearing aid is not a medical device, but an electronic product. Both are subject to different degrees of supervision. The hearing auxiliary equipment receives the sound by utilizing a bone conduction technology and is tightly attached to the skull, and the sound wave can be directly transmitted to the auditory nerve through the bone without passing through the external auditory canal and the eardrum, so that the ears can be liberated. With the gradual development of the technology, the hearing assistance device will be developed to be light and small. The layout of the existing hearing assistance equipment is not compact enough, the wearing mode is single, and the sound transmission mode is single.

Therefore, the utility model provides a hearing auxiliary equipment.

Referring to fig. 1 to 4, in an embodiment of the present invention, the hearing assistance device 10 comprises: the clamping mechanism 1 comprises an elastic ear clip part 2 and two fixing parts 3 which are respectively arranged at two ends of the ear clip part 2, and the ear clip part 2 is used for clamping an earlobe and an auricle cartilage part above the earlobe; the ear back bone guide part 4 is arranged on one fixing part 3, and the ear inner bone guide part 6 is arranged on the other fixing part 3; the control unit is arranged on the clamping mechanism 1 or the ear back bone guide part 4 or the in-ear bone guide part 6, the control unit is electrically connected with the ear back bone guide part 4 and the in-ear bone guide part 6, and the control unit is used for controlling the ear back bone guide part 4 and the in-ear bone guide part 6 to transmit sound sources;

wherein, when 2 centre gripping of ear clamp part are when auricle cartilage, the mastoid bone department of touching of the back of the ear bone guide 4 contact back of the ear, bone access transmission vibration through the back of the ear, external auditory canal is arranged in to bone guide 6 in the ear to bone access transmission vibration through in the ear, two kinds of route modes through bone guide 4 in the ear and back of the ear bone guide 6 transmit the sound source, promote the hearing aid effect.

Common earphones are of the head-wearing type, the in-ear type, the ear-hanging type and the like, and the working principles of the common earphones are converged: the air vibration is transmitted into the auditory canal and then strikes the tympanic membrane, and penetrates into the ear to drive the ear ossicles to vibrate together. Hearing aids differ from these in that sound is transmitted directly from the skull to the brain auditory nerve without passing through a long and narrow ear canal. Traditional osteoacusis is assisted earphone scheme of listening, the scheme that relies on the ear bone system to carry out sound transmission completely can receive more restrictions, be provided with two kinds of conduction modes in this scheme, bone vibration conduction and ear bone conduction transmit sound in the ear, furthermore, because the duct can also transmit sound with the sound conduction mode, consequently can set up in the ear bone conduction portion 6 and arrange and add the air conduction transmission mode, set up in the ear for bone conduction and air conduction transmission mode promptly, the form that the air conduction transmission path can go into the ear is plugged in the ear, can prevent to whistle. This is described below.

The hearing assistance device 10 includes an auricle bone guide 4 and an auricle bone guide 6, the auricle bone guide 6 contacting the mastoid bone on the side of the auricle bone guide 4. Ear back bone guide portion 4 and ear internal bone guide portion 6 are connected through the control unit, are equipped with first bone in the ear back bone guide portion 4 and are provided with the second bone in the ear internal bone guide portion 6 and lead the oscillator, and in this embodiment, first bone is led the oscillator and is led the oscillator for the bone to lead the speaker with the second bone, and the second bone is led the oscillator and can be possessed bone air and lead mixed sound production function as required. As will be described in greater detail below, the hearing assistance device 10 thus includes two alternative bone vibration transmission directions to enhance hearing assistance. When the clamping part centre gripping is at auricle cartilage, behind the ear bone guide portion 4 contacts mastoid bone, 6 centre grippings of bone guide portion in the ear are fixed in the concha chamber in the ear, if fix the position in concha chamber to tragus, because homoenergetic shakes the transmission through the bone in behind the ear bone guide portion 4 and the ear in bone guide portion 6, then the sound not only can conduct through auricle cartilage, can also conduct through the bone system around the external auditory canal, promotes hearing aid effect.

Ear back bone guide portion 4 and ear internal bone guide portion 6 adopt aviation level silica gel material to carry out the cladding with skin contact part, form the contact layer, guarantee to wear comfortable firm, avoid wearing for a long time and lead to pain.

In one embodiment, the hearing assistance device 10 may comprise two, left and right, configurations in which wireless communication is established between the two via a control unit, such as bluetooth. The left and right hearing assistance devices 10 are identical in construction.

In another embodiment, the hearing assistance device 10 may also be singular.

In an embodiment, the connection mode among the three of fixture 1, ear back bone guide portion 4, ear inner bone guide portion 6 can be that ear clip portion 2 is elasticity "C" type structure, and length-adjustable sets up, and ear back bone guide portion 4 and ear inner bone guide portion 6 are the independent structures, install in the fixed part 3 at ear clip portion 2 both ends, and fixed mode can adopt modes such as screw, sticky.

In another embodiment, the clamping mechanism 1, the ear back bone guide portion 4, and the ear inner bone guide portion 6 are connected together, or the ear clip portion 2 may be an elastic "C" structure, and the length of the ear clip portion is adjustable, the ear back bone guide portion 4 and the ear inner bone guide portion 6 are independent structures (i.e. including a housing), the fixing portions 3 at the two ends of the ear clip portion 2 are connected to the ear back bone guide portion 4 and the ear inner bone guide portion 6, and the connection manner is not limited.

In order to ensure that the hearing assistance device 10 has the functions of bluetooth connection, music playing and call receiving while realizing hearing assistance, the control unit includes a main control board and a bluetooth module coupled to the main control board, and the main control board is used for controlling the switch of the ear back bone guide part 4 or the ear inner bone guide part 6. In addition, a battery for providing power is arranged in the hearing auxiliary device 10, and the main control board is provided with a charging interface module and is connected with the battery through an electric wire.

In one embodiment, the main control board is disposed inside the ear-back bone conduction portion 4, and the main control board is provided with a main control module, a bluetooth control module, a display control module, an audio control module, and an answering control module. The Bluetooth module is used for controlling the Bluetooth signal transceiver to carry out signal receiving and sending work; the Bluetooth control module is used for controlling the battery to charge and supplying power to other units; the display control module is used for controlling the display to display the electric quantity of the rechargeable battery or the current time, the optional display can be an LED lamp, the display is normally on when the electric quantity is full, and the display flickers when the rechargeable battery is charged; the audio control module is used for controlling the audio player to play music; the answering control module is used for the hearing assistance device 10 to answer a phone call.

The ear back bone guide part 4 and the ear inner bone guide part 6 are both provided with microphones. The microphone is a transducer device for converting an electrical signal into an acoustic signal, also called as a microphone and a microphone, that is, for collecting speaking voice, the microphone and the loudspeaker are distinguished as follows: the microphone is an energy conversion device for converting a sound signal into an electric signal, namely, the microphone is used for collecting the speaking sound; the loudspeaker is a transducer for converting electric signals into acoustic signals, i.e. converting electric signals generated by speaking into sound to be played. Microphones are of various types and can be classified into electrodynamic type, capacitance type, electromagnetic type, piezoelectric type and semiconductor type microphones according to the transduction principle; the microphone can be divided into non-directivity and directivity according to the directivity of the received sound wave, and the microphone with directivity comprises heart-shaped directivity, strong directivity, double directivity and the like; it can be classified into stereo, near-talking, wireless microphone, etc. according to its purpose. In this embodiment, the microphones of the ear bone guide 4 and the ear bone guide 6 may be the same, and have the same function, and for convenience of reading, the microphones are collectively referred to as microphones, and are disposed at the outer side of the ear bone guide 6, and the bottom end of the ear bone guide 4, and the microphones are connected to the main control board in the hearing assistance device 10 through a connection wire. The microphone is used for collecting voice signals.

And the audio player is arranged inside the ear back bone guide part 4 and the ear inner bone guide part 6 and is connected with the main control board.

The bluetooth signal connects the ware, and bluetooth signal connects the ware to set up in the inside of hearing auxiliary assembly 10, and bluetooth signal connects the remaining main control board of ware to connect.

The battery is a rechargeable battery arranged inside the hearing auxiliary device 10, and the battery is respectively connected with the main control board, the first bone conduction vibrator, the second bone conduction vibrator, the microphone, the audio player and the Bluetooth signal transceiver to provide power.

Still be equipped with the interface that charges on the main control board, the interface that charges is connected with the battery, and the battery charges through the interface that charges for the outside.

In an embodiment, the control unit may be arranged on the ear clip part 2 between the behind-the-ear bone guide 4 and the in-the-ear bone guide 6.

In another embodiment, the control unit may be arranged in the behind-the-ear bone guide 4.

In a further embodiment, the control unit may also be arranged in the in-ear bone guide 6, and the clamping force may be adjusted by adjusting the adjustable ear clip part 2, avoiding easy falling off due to factors such as weight.

The technical scheme of the utility model is that the clamping mechanism 1 comprises an elastic ear clip part 2 and two fixing parts 3 respectively arranged at one end of the ear clip part 2 through a clamping mechanism 1, an ear back bone guide part 4, an in-ear bone guide part 6 and a control unit, the ear clip part 2 is used for clamping the auricular cartilage part above the earlobe; the ear back bone guide part 4 is arranged on one fixing part 3, the in-ear bone guide part 6 is arranged on the other fixing part 3, and the in-ear bone guide part 6 is electrically connected with the ear back bone guide part 4; the control unit is arranged on the clamping mechanism 1, the ear back bone guide part 4 or the in-ear bone guide part 6, is electrically connected with the ear back bone guide part 4 and the in-ear bone guide part 6, and is used for controlling the ear back bone guide part 4 and the in-ear bone guide part 6 to transmit sound sources; when the ear clip part 2 is clamped on the auricular cartilage, the auricular back bone guide part 4 is contacted with the mastoid bone of the back of the ear to transmit vibration in an auricular back bone conduction mode, and the auricular inner bone guide part 6 is arranged in the external auditory canal to transmit vibration in an auricular inner bone conduction mode. The hearing assistance device 10 includes two alternative transmission pathways, the intra-aural bone conduction pathway and the dorsal ear conduction pathway. The dorsal auricular bone conduction contacts the mastoid bone, and the intra-auricular bone conduction contacts the external auditory canal and the peripheral bone passage. Possess the multiple route sound transmission mode, can promote the hearing aid effect.

Specifically, the in-ear bone conduction part comprises an in-ear shell 7 and a second bone conduction vibrator arranged on the in-ear shell 7. The second bone conduction vibrator can transmit vibration through bone conduction and vibration through air, and the ear inner shell is provided with at least one sound outlet hole for sound waves to be transmitted out.

In one embodiment, the second bone conduction vibrator has a function of an air conduction speaker, and can convert a part of electric signals into vibration, convert a part of electric signals into sound waves, and then convert the part of electric signals into the sound waves to transmit the sound waves out of the sound output hole in an air conduction mode.

In another embodiment, the bone in the ear and the air conduction can be realized through the second conductive element and the air conduction loudspeaker.

Specifically, the in-ear bone conduction part 6 includes an ear back housing 5 and an air conduction speaker disposed in the ear back housing 5, and the ear back housing is provided with at least one sound outlet hole. In order to avoid sound leakage, the in-ear bone guide 6 further comprises an earplug conduit, which is sealingly connected to the sound outlet hole. In order to wear the comfort, the earplug conduit is made of silica gel. The aforementioned earpiece and microphone are provided in both the dorsum auricular bone guide 4 and the intra-aural bone guide 6.

Further, in the above-mentioned conventional bone conduction hearing-assisted earphone solution, the solution relying entirely on the behind-the-ear bone system for sound transmission is more limited, and the solution relying entirely on the behind-the-ear bone system for sound transmission is more limited. For this reason, the in-ear bone conduction part 6 is still including locating the air conduction speaker of the shell 5 in the ear, the air conduction speaker is close to the setting of second bone conduction oscillator, and the relative position of air conduction speaker and second bone conduction oscillator does not do the restriction, and the final hearing aid effect is not influenced in fact to the left side to the right or to the upper side to the lower side because sound can be drawn forth through the earplug pipe. Thus, the auricle-dorsal bone conduction part 4 contacts the mastoid bone, and the auricle-inner bone conduction part 6 contacts the auricular cartilage. The back of the ear is bone conduction, the inside of the ear is provided with bone conduction and air conduction modes, and the air conduction transmission mode can be plugged into the ear in an ear-entering mode, so that howling can be prevented. The hearing aid effect is improved through multiple transmission modes. The intra-aural bone conduction vibrator is clamped in the ear and fixed at the position from the concha cavity to the tragus, so that sound can be conducted through auricular cartilage, and can also be conducted through bone passages around the external auditory meatus, and the hearing-aid effect is improved.

If one of the two bone conduction paths has poor effect on sound propagation, the other path can be switched to use; if the user feels uncomfortable to the vibration of the bone conduction vibrator in one of the passages, the vibrator can be switched off, and the other vibrator can still play a hearing aid role. The in-ear and behind-the-ear dual transducers may be adapted to a wider range of hearing loss populations because the placement of the dual transducers provides more alternative bone conduction pathways. The optional air conduction transmission path is plugged into the ear in an ear-entering mode to prevent howling. In contrast, solutions that rely entirely on the behind-the-ear bone system for sound transmission are more limited. Adopt in the ear and the ear back of the body two conduction mode can adapt to more extensive hearing loss crowd, when producing the vibration under the sound source effect, vibration wave accessible people's ear cartilage is to the conduction of the sense of hearing organ of human body, because people's ear cartilage is nearer in the ear, so the user can acquire bone conduction sound wave signal more clearly, compares through skull conduction mode, the utility model discloses a sound wave conduction effect is better, and the sound fidelity that the user can obtain is higher. Meanwhile, the ear clip part 2 is fixed on the auricular cartilage through the elastic clamping effect, and is easy to wear.

Further, in order to facilitate the adaptation to the ear shapes of different users, the ear clip part 2 is elastically arranged, and the ear clip part 2 is adjustably arranged. In this embodiment, auricular cartilage clamping is adopted, and it is mentioned above that the auricular dorsal bone conduction part 4 and the auricular inner bone conduction part 6 are clamped by the auricular clip part 2 on the earlobe and the auricular cartilage part above the earlobe, and are fixed in the cavum concha across the lower parts of the helix and the antihelix. (optionally fixed in the concha cavity to the tragus, stuck in the external ear meatus) and auricular cartilage, mastoid bone, at the back of the ear. For convenient wearing, the clamping structure is adjustable. The clamping adjustment structure may include an adjustable hinge, a ductile metallic member, an adjustable spring, a telescoping rod, a drawstring, etc. Can have soft gum cover in the outside cladding of ear clamp portion 2, this soft gum cover can not only improve the feel, the quality of ear clamp portion 2, can also be right ear clamp portion 2 plays the guard action. The soft rubber sleeve can be provided with a fold layer, so that the ear clip part 2 can adapt to extension when adjusting the length.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A hearing assistance device, comprising:

an ear back bone guide part, which is arranged on one of the fixing parts,

an in-ear bone guide provided at the other fixing portion; and

when the ear clip part is clamped on the auricular cartilage, the auricular bone conduction part is contacted with the mastoid bone contacting part of the back of the ear to transmit vibration through a bone passage of the back of the ear, and the auricular bone conduction part is arranged in the external auditory canal to transmit vibration through the bone passage in the ear.

2. A hearing assistance device as claimed in claim 1, wherein the behind-the-ear bone guide comprises a back-of-the-ear housing, a first bone guide element disposed within the back-of-the-ear housing.

3. A hearing assistance device as claimed in claim 1, wherein the in-ear bone conduction portion comprises an in-ear housing, and a second bone conduction element provided in the in-ear housing.

4. A hearing assistance device as claimed in claim 3, wherein said second bone conduction element is capable of transmitting vibrations by bone conduction and vibrations by air, said in-the-ear shell being provided with at least one sound outlet hole for sound waves; or

The ear inner bone conduction part further comprises an air conduction loudspeaker arranged on the ear inner shell, the air conduction loudspeaker is arranged close to the second bone conduction vibrator, and the ear inner shell is provided with at least one sound outlet hole corresponding to the air conduction loudspeaker.

5. A hearing assistance device as claimed in claim 4, wherein the in-the-ear bone guide further comprises an earplug conduit sealingly connected to the sound outlet hole.

6. A hearing assistance device as claimed in claim 5, wherein the earplug conduit is of silicone.

7. A hearing assistance device as claimed in claim 1, further comprising a microphone provided on at least one of the behind-the-ear bone guide and the in-the-ear bone guide.

8. A hearing assistance device as claimed in claim 1, wherein the ear clip portion is adjustably positionable.

9. A hearing assistance device as claimed in claim 8, wherein the ear clip portion is one of an adjustable hinge, a ductile metallic member, an adjustable spring, a telescopic rod, and a drawstring.

10. A hearing assistance device as claimed in any one of claims 1 to 9 wherein the control unit comprises a master control board, a bluetooth module coupled to the master control board, the master control board configured to control the switching of the behind-the-ear bone guide or the in-the-ear bone guide.