WO2021101124A1 - Casque à conduction osseuse pour le traitement des acouphènes et la stimulation simultanée du mastoïde et du pavillon d'oreille - Google Patents

Casque à conduction osseuse pour le traitement des acouphènes et la stimulation simultanée du mastoïde et du pavillon d'oreille Download PDF

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Publication number
WO2021101124A1
WO2021101124A1 PCT/KR2020/015155 KR2020015155W WO2021101124A1 WO 2021101124 A1 WO2021101124 A1 WO 2021101124A1 KR 2020015155 W KR2020015155 W KR 2020015155W WO 2021101124 A1 WO2021101124 A1 WO 2021101124A1
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WO
WIPO (PCT)
Prior art keywords
bone conduction
auricle
earring
plate
user
Prior art date
Application number
PCT/KR2020/015155
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English (en)
Korean (ko)
Inventor
허진숙
Original Assignee
주식회사 엠아이제이
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Publication date
Application filed by 주식회사 엠아이제이 filed Critical 주식회사 엠아이제이
Priority to JP2021539102A priority Critical patent/JP7262850B2/ja
Publication of WO2021101124A1 publication Critical patent/WO2021101124A1/fr

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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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/109—Arrangements to adapt hands free headphones for use on both ears
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/15—Determination of the acoustic seal of ear moulds or ear tips of hearing devices

Definitions

  • the present invention relates to a bone conduction headset, and in more detail, while providing a tinnitus care sound source that can contact the mastoid process to transmit sound vibration and at the same time contact the auricle to transmit sound vibration, and simultaneously stimulate the mastoid process and the auricle. It relates to a bone conduction headset that can treat.
  • the sound heard by the human ear is transmitted in the form of waves.
  • External sound enters through the human's outer ear and vibrates the eardrum, and cells are stimulated in the inner ear inside the eardrum and transmitted to the brain.
  • the frequency range of sounds that humans can hear is about 20-20000Hz, and the frequency range of sounds that humans talk to each other is about 500-2000Hz.
  • the sound that vibrates the skull is transmitted to the cochlea and is transmitted to the brain through the auditory nerve.
  • the sound recognition mechanism omits the process of vibration through the eardrum and three bones located in the eardrum. .
  • the acoustic vibration applied to the skin surface around the ear is directly transmitted to the cochlea through the skull, so even those with hearing impairment in the eardrum or ossicles, if the cochlea and the auditory nerve are normal, bone conduction through the skin is certain. You will be able to hear the sound.
  • the bone conduction headset receives ambient noise at the same time by keeping the ears open in the case of the general public, it is possible to prevent a safety accident and use the bone conduction principle without directly affecting the eardrum, so that hearing loss can be prevented.
  • Such a bone conduction headset transmits sound by vibrating bones around the ear, so it can be used not only by the hearing impaired but also by people working in places with high noise.
  • the bone conduction-type headset performs only a simple sound transmission function, it is difficult to implement various functions, and when worn for a long time, there is a problem that the user's discomfort is increased due to the stiffness of the parts in contact with the human body.
  • the present invention is to solve the above-described problems, and its object is to simultaneously stimulate the mastoid protrusion and the auricle that can increase sound reception by simultaneously performing sound vibration through the mastoid process and sound vibration through the auricle.
  • the simultaneous stimulation of the mastoid protrusion and the auricle includes a neckband portion surrounding the back of the user's head in a belt shape; An earring part having one end detachably assembled at both side ends of the neckband and forming an earring groove for straddling the user's ear; A first bone conduction unit provided in a mount unit assembled in a mounting groove formed on an inner surface of the earring unit and transmitting sound to the auditory nerve through a bone conduction through a mastoid protrusion located at the rear of the auricle of the user; A second bone conduction unit assembled with the mount unit such that one end of the first bone conduction unit is in contact with the user's auricle, and is elastically attached to the back of the user’s auricle to transmit sound to the auditory nerve through bone conduction; Includes.
  • the neckband portion may include at least one inner band member, and the inner band member may be provided as a plate of a predetermined length whose plate width gradually decreases from the center of the length toward both ends connected to the pair of earring portions.
  • both ends of the inner band member are provided with a connecting plate through which an assembly hole is formed through a connecting portion having a plate width smaller than that of the inner band member, and a straight press groove extending toward the connecting plate may be recessed.
  • the earring part is connected to both ends of the neckband part, the earring body having an assembly groove on the inner surface that is inserted and assembled correspondingly to the mount part, the earring extension part extending in a curved shape from the earring body to the rear side, and the It may include a curved bent portion that is bent in a direction in which both ends of the neckband portion are gathered inward so as to have elasticity from the end of the earring extension portion and then bent in a direction in which the neckband portion is opened in the opposite direction.
  • the earring part may include a soft contact member made of a soft material so as to be in close contact with the user's skin on the outer surface of the lower end forming the earring groove.
  • the mount part has a cylindrical receiving tube in which the first bone conduction part is internally accommodated at the other end of the plate body whose one end is correspondingly coupled to the mounting groove, and the plate body is disposed to be inclined at a certain angle with respect to the inner surface of the earring part desirable.
  • the second bone conduction unit extends to the auricle side so as to elastically contact the back of the user's auricle from the outer edge of the coupling tube and the coupling pipe having an inner hole correspondingly coupled to the mount portion on which the first bone conduction unit is mounted And a vibration transmission plate extending from the coupling tube toward the contact plate so as to transmit sound vibration generated from the first bone conduction unit to the auricle.
  • extension plate extending from the outer edge of the coupling tube to the lower side of the mastoid protrusion, and the inner surface of the extension plate may be formed in an arc-shaped cross section that is curved outward so as to increase the fit by generating an adsorption force with the skin.
  • the vibration transmission plate may include a receiving plate body wound around the coupling pipe and disposed in a circular shape, and a transmission plate body branched from one end of the receiving plate into a plurality of prongs and disposed on the contact plate.
  • the neckband portion may include a pair of LED members that generate light for brain wave tuning when power is applied to the inner surface thereof.
  • control unit having a tinnitus care program to treat tinnitus by providing a treatment sound source to a tinnitus patient who feels that a sound is heard in a situation where there is no external auditory stimulus.
  • FIGS. 1A, 1B, 1C, and 1D are external perspective views showing a bone conduction headset for simultaneous stimulation of the mastoid process and pinna according to an embodiment of the present invention.
  • Figure 2 is an exploded perspective view showing a simultaneous stimulation of the mastoid process and auricle bone conduction headset according to an embodiment of the present invention.
  • FIG. 3 is a block diagram showing the inner band member of the neckband portion applied to the simultaneous stimulation of the mastoid process and the pinna bone conduction headset according to an embodiment of the present invention.
  • FIG. 4 is a partially enlarged view showing the rear of a bone conduction headset for simultaneous stimulation of the mastoid process and auricle according to an embodiment of the present invention.
  • 5A and 5B are an exploded perspective view and a cross-sectional view illustrating a first bone conduction unit applied to the simultaneous stimulation bone conduction headset of the mastoid process and the auricle according to an embodiment of the present invention.
  • 6A, 6B, 6C, and 6D are configuration diagrams illustrating a second bone conduction unit applied to the simultaneous stimulation bone conduction headset of the mastoid process and the auricle according to an embodiment of the present invention.
  • FIG. 7 is a state diagram of a user wearing a bone conduction headset for simultaneous stimulation of the mastoid process and auricle according to an embodiment of the present invention.
  • bone conduction headset 100 is as shown in Figures 1a, 1b, 1c and 1d, the neckband portion 10, the earring portion 20, the first It may include one bone conduction unit 30 and a second bone conduction unit 40.
  • the neckband part 10 is a structure provided in an approximately arc-shaped belt shape so as to be positioned at the back of the user's head and seated while surrounding it.
  • the neckband portion 10 may include an inner band member 12 made of metal to reinforce structural rigidity by being formed of rubber or synthetic resin and provided inside the body of an elastic outer material.
  • the neckband unit 10 By embedding an inner band member made of a heavy metal material inside the neckband unit 10 made of a light weight material such as resin or synthetic resin, it is possible to secure structural rigidity while reducing the overall weight of the neckband unit.
  • the inner band member 12 may be provided with a metal plate of a predetermined length provided in a shape in which the plate width gradually narrows toward both side ends connected to the pair of earring portions 20 from the center of the length.
  • the length and center plate width of the inner band member 12 embedded in the neckband part 10 is designed to be larger than both sides, so that the user holds the center according to the size of the back neck, and the neckband part formed in a curved shape is flexibly deformed.
  • One fitting operation can be easily performed.
  • connection portion having a plate width smaller than the plate width of the inner band member so as to be assembled and connected to the assembled portion provided in the earring portion 20 It is provided with a connecting plate (13) formed through the assembly hole (13a) through (14).
  • a roughly straight press groove 14a extending toward the connection plate 13 is depressed on one side of the connection part 14 to prevent fatigue failure and short circuit due to stress concentrated during bending deformation of the connection part having a narrow width. I can.
  • a pair of LED members 15 may be provided on the inner surface of the neckband unit 10 to generate light for EEG tuning when power is applied.
  • the neckband part 10 is inverted to the front face of the user, and the pair of LED members and the left and right eyes of the user correspond to each other, and then external power to the pair of LED members 15 with the user's eyes closed.
  • the pair of LED members 15 are provided with a predetermined interval on the inner side of the neck bend so as to correspond to each other one-to-one with both eyes of the user.
  • the earring part 20 is assembled with one end detachably attached to both side ends of the neckband, as shown in FIGS. 1A, 1B, 1C, and 1D and 4, and to be mounted over the user's ear.
  • Earring portion forming an earring groove for;
  • the earring part 20 is connected to both side ends of the neckband part 10, and the earring body having a mounting groove on the inner surface that is inserted and assembled corresponding to the mount part 39 in which the first bone conduction part 30 is installed.
  • the earring body 21 may include an earring extension 22 extending in a substantially curved shape from the earring body 21 to the rear side.
  • the upper outer surface of the earring body may include an operation button unit 25 having a plurality of buttons such as a volume button and a power button, and a dedicated button 26 for tinnitus care may be included at one side of the operation button unit. I can.
  • the end of the earring extension part 22 is bent in a direction in which both ends of the neckband part 10 are gathered inward so as to have elasticity while exposing the microphone 24 for receiving external sound, and then bent in the opposite direction. It may include a curved bent portion (23).
  • the microphone 22 is a condenser microphone such as an electrostatic microphone that applies a condenser to generate electricity from a sound source so that it can receive the user's voice and use it for phone call purposes, or collect ambient sound and provide a hearing aid function through noise canceling. It may be equipped with a microelectromechanics system microelectromechanics system (MEMS) microelectronically operated and mechanically operated by a semiconductor manufacturing technique to perform a microphone function.
  • MEMS microelectromechanics system microelectromechanics system
  • the curved inner surface of the curved bent part smoothly contacts the skin of the user's back neck and slides while a feeling of wearing and closeness of the headset. Can increase.
  • the earring part 120 is a soft contact made of a soft material such as silicone resin so as to be in close contact with the user's skin on the lower outer surface forming an earring groove for mounting over the user's ear, as shown in FIG. 4.
  • a member 27 may be provided.
  • the headset When the headset is worn by such a flexible contact member 27, it is possible to increase the fit by increasing the adhesion between the earring part and the user's ear, and the self-vibration generated in the first and second bone conduction parts during the hearing aid function of the headset is made into a plastic molding. Backhowling can be reduced by minimizing vibration interference transmitted to the microphone 24 through the earring part 20 made.
  • the flexible contact member 27 is preferably provided extending to the end of the curved bent portion 23 provided to expose the microphone to the outside.
  • the first bone conduction unit 30 is coupled to a mount unit 29 that is detachably assembled by being inserted correspondingly to a mounting groove formed on the inner surface of the earring unit, as shown in FIG. 2, and is attached to the rear side of the auricle of the user. It transmits sound to the auditory nerve of the cochlea by conducting bone conduction of sound vibrations through the mastoid process, which is a bony process located in the cochlea.
  • This first bone conduction unit 30 includes a cover case 31a assembled on the other side of a case 31 having a substrate 32 on one side, as shown in FIGS. 5A and 5B, and The inside includes a bobbin 35 connected to an upper end, which is the other end of the coil-type voice coil 33, to which the lower end, which is one end, is connected to the substrate 32, and the bobbin 35 is positioned inside the coil-type voice coil. ) And a cylindrical magnet 34 provided on the lower surface of the inner surface.
  • the outer edge of the suspension plate spring 36 which is attached and fixed to the center of the lower surface of the upper surface, which is the outer surface of the bobbin 35, is fixedly installed, and the upper part of the suspension plate spring
  • the outer rim of the diaphragm 37 which is a vibration plate disposed on, is fixedly installed.
  • the mount part 39 is a cylindrical receiving tube in which a cylindrical case 31 constituting the first bone conduction part 30 is internally accommodated at the other end of the plate body whose one end is correspondingly coupled to the mounting groove formed on the inner surface of the earring part. And, the plate body is preferably disposed to be inclined at a certain angle ( ⁇ ) with respect to the inner surface of the earring portion.
  • the mount part 39 may be made of a rubber or resin material having elasticity.
  • the mount part 39 in which the first bone conduction part 30 is accommodated is provided in the mount part by generating an elastic restoring force while the plate body disposed inclined at a certain angle inward when the user's headset is mounted is elastically deformed outward.
  • the second bone conduction part 40 is detachably assembled to the mount part 39 together with the first bone conduction part 30 as shown in FIGS. 1A, 1B, 1C, 1D and 2 Then, by elastically being in close contact with the back of the auricle of the user, sound vibration is transmitted to the auditory nerve of the cochlea by bone conduction through the cartilage of the auricle.
  • the second bone conduction unit 40 includes a coupling pipe 41 having an inner hole 41a so as to be correspondingly coupled with the mount portion 39 on which the first bone conduction unit 30 is mounted, and the coupling pipe 41
  • the coupling tube includes a contact plate 43 that extends toward the auricle so as to elastically contact the back of the user's auricle from the outer edge of), and transmits the sound vibration generated by the first bone conduction unit 30 to the auricle. It may include a vibration transmission plate 44 extending from the side to the contact plate.
  • the second bone conduction unit 40 includes an extension plate 42 extending from the outer edge of the coupling tube to the lower side of the mastoid protrusion to expand the contact area with the user's skin, as shown in FIG. 6A,
  • the inner surface 42a of the extension plate 42 in contact with the user's skin may be formed in an arc-shaped cross-section curved outward so as to increase the fit by generating an adsorption force with the skin.
  • extension plate 42 is preferably made of a cross-sectional shape in which the thickness of the plate becomes thinner toward the outside so as to increase adhesion with the user's skin when the headset is worn.
  • the coupling pipe 41 is a substantially hollow having a circular inner hole (41a) so that the inner surface is correspondingly inserted into the outer surface of the cylindrical receiving tube of the mount portion for the first bone conduction unit for internal use. It can be made of a cylindrical tube.
  • One end of the inner hole 41a of the coupling pipe 41 corresponding to the mount part is opened, while the other end of the inner hole 41a corresponding to the user's skin is a first valley accommodated in the cylindrical receiving tube of the mount part. It has been described and illustrated as having a sealing surface that blocks sweat or foreign substances generated from the user's skin toward the conduction part, but limited to this, an opening is formed so that the mastoid protrusion of the user and the first bone conduction part directly contact each other. Can be.
  • the contact plate 42 has been illustrated and described as being provided in a shape of a web with an outer edge of a wave shape so as to be in elastic contact with the back of the user's auricle, but is not limited thereto.
  • the outer edge may be formed in a substantially rectangular plate shape rounded.
  • the vibration transmission plate 44 is preferably made of a metal thin plate material having excellent vibration transmission rate and excellent machinability, such as SUS.
  • the vibration transmission plate 44 is disposed by being wound in a substantially circular shape on the body of the coupling pipe 41 to receive the sound vibration generated from the first bone conduction unit 30 ( 44a), and may include a transmission plate body 44b that is branched from one end of the receiving plate body 44a into a plurality of prongs and is disposed on the body of the contact plate 43.
  • the sound vibration generated by the first bone conduction unit 30 is transmitted to the transmission plate body branched into a plurality of branches through the receiving plate body of the vibration transmission plate, so that the first bone through which the sound vibration is bone-conducted through the mastoid process.
  • the sound vibration of the conduction unit is transmitted to the auditory nerve through the cartilage of the auricle in which the contact plate is elastically contacted, so that the user can clearly hear the sound at a higher sound reception rate.
  • the vibration transmission plate 44 may be embedded and disposed so as not to be exposed to the outside when the coupling pipe 41 and the contact plate 43 are molded of a resin material such as silicone resin, but are limited thereto. It may be arranged to be exposed on one side to increase a reception rate for receiving sound vibration generated from the first bone conduction unit and increase bone conduction rate for transmitting sound vibration to the cartilage side of the rear wheel.
  • the headset 100 includes a control unit provided with a tinnitus care program to treat tinnitus by regularly providing a treatment sound source to a tinnitus patient who feels that a sound is heard in a situation where there is no external auditory stimulus.
  • a control unit provided with a tinnitus care program to treat tinnitus by regularly providing a treatment sound source to a tinnitus patient who feels that a sound is heard in a situation where there is no external auditory stimulus.
  • the headset can perform tinnitus treatment by reproducing the tinnitus care sound source stored in the memory of the control unit in the first bone conduction unit and listening to the sound source reproduced through the mastoid protrusion and the auricle through a bone conduction method.
  • the headset is connected to the smart phone by a wireless method, and the tinnitus sound source stored in the server in the app of the smart phone can be played by the first bone conduction unit by a streaming method.
  • a diagnostic program for diagnosing the user's tinnitus is installed in the app of the smartphone, and various types of tinnitus treatment information are provided to diagnose the tinnitus condition according to the diagnosis program for each user, and the tinnitus care sound source is played according to the diagnosis.

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  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Psychology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Otolaryngology (AREA)
  • Biophysics (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

L'invention concerne un casque à conduction osseuse pour la stimulation simultanée du mastoïde et du pavillon d'oreille. La présente invention comprend : une partie de bandeau de cou qui couvre l'arrière de la tête de l'utilisateur en forme de bandeau ; une partie de boucle d'oreille qui a une extrémité assemblée de manière détachable à chacune des deux extrémités latérales de la partie de bandeau de cou et forme une rainure de boucle d'oreille de manière à être suspendue à l'oreille de l'utilisateur ; une première partie de conduction osseuse qui est prévue sur une partie de montage assemblée à une rainure de montage formée sur la surface interne de la partie de boucle d'oreille et transmet le son au nerf auditif par conduction osseuse à travers une mastoïde située derrière le pavillon de l'oreille de l'utilisateur ; et une deuxième partie de conduction osseuse qui est assemblée à la partie de montage de telle sorte qu'une de ses extrémités est en contact avec la première partie de conduction osseuse et vient élastiquement en contact étroit avec l'arrière du pavillon de l'oreille de l'utilisateur pour transmettre le son au nerf auditif par conduction osseuse.
PCT/KR2020/015155 2019-11-19 2020-11-02 Casque à conduction osseuse pour le traitement des acouphènes et la stimulation simultanée du mastoïde et du pavillon d'oreille WO2021101124A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021539102A JP7262850B2 (ja) 2019-11-19 2020-11-02 乳様突起及び耳介を同時に刺激する耳鳴り治療専用の骨伝導ヘッドセット

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190148322A KR102195936B1 (ko) 2019-11-19 2019-11-19 유양돌기 및 귓바퀴 동시 자극 이명치료 전용 골전도 헤드셋
KR10-2019-0148322 2019-11-19

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WO2021101124A1 true WO2021101124A1 (fr) 2021-05-27

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KR (2) KR102195936B1 (fr)
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WO (1) WO2021101124A1 (fr)

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US20230310216A1 (en) * 2022-03-31 2023-10-05 St Oto Devices, Llc Apparatus and methods for treating tinnitus
KR20240028625A (ko) 2022-08-25 2024-03-05 유원 이명 완화 장치
KR102667202B1 (ko) * 2022-10-20 2024-05-20 주식회사 엠아이제이 골 전도용 헤드셋
KR102664819B1 (ko) * 2023-11-22 2024-05-10 안수한 골전도 헤드셋

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