WO2014021528A1 - Dispositif à membrane basilaire artificielle - Google Patents

Dispositif à membrane basilaire artificielle Download PDF

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Publication number
WO2014021528A1
WO2014021528A1 PCT/KR2013/000886 KR2013000886W WO2014021528A1 WO 2014021528 A1 WO2014021528 A1 WO 2014021528A1 KR 2013000886 W KR2013000886 W KR 2013000886W WO 2014021528 A1 WO2014021528 A1 WO 2014021528A1
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WO
WIPO (PCT)
Prior art keywords
receptor
basilar membrane
artificial
artificial basilar
membrane device
Prior art date
Application number
PCT/KR2013/000886
Other languages
English (en)
Inventor
Shin Hur
Wan-Doo Kim
Seung Ha Oh
Juyong Chung
Original Assignee
Snu R&Db Foundation
Korea Institute Of Machinery & Materials
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Snu R&Db Foundation, Korea Institute Of Machinery & Materials filed Critical Snu R&Db Foundation
Publication of WO2014021528A1 publication Critical patent/WO2014021528A1/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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/18—Internal ear or nose parts, e.g. ear-drums
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0526—Head electrodes
    • A61N1/0541—Cochlear electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36036—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of the outer, middle or inner ear
    • A61N1/36038—Cochlear stimulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2430/00—Materials or treatment for tissue regeneration
    • A61L2430/14—Materials or treatment for tissue regeneration for ear reconstruction or ear implants, e.g. implantable hearing aids
    • 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
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window

Definitions

  • the present invention relates to an artificial basilar membrane device, and more particularly, to an artificial basilar membrane device for receiving vibration caused by a sound from an eardrum.
  • a sound is transferred to a cochlea through an eardrum and auditory ossicles. Vibration caused by the sound transferred to the cochlea is transferred to a hair cell through vibration of a basilar membrane, and the hair cell converts a physical signal into an electrical signal. The electrical signal stimulates the auditory nerve to allow the brain to recognize the sound.
  • the profound deaf i.e., patients who are extremely hard of hearing
  • a cochlear implant system has been developed to interpret an audio signal delivered from the outside and an electrical signal is directly transferred to the auditory nerve to solve hearing loss.
  • the related art cochlear implant system may be divided into an external part and an internal part according to where the cochlear implant system is installed.
  • the cochlear implant system is configured to include an external device for receiving a sound from the outside of a human body, and an internal device insertedly positioned in a human body and stimulating the auditory nerve.
  • the external part installed outside of a human body includes a microphone (or a sender), a speech processor (or a speech synthesizer), and a transmission antenna (or a transmitter), and a combination of the microphone and the transmission antenna is called a headset.
  • the internal part implanted in a body includes a receptor/stimulator (or a receiver) and an electrode.
  • an audio signal transferred from the microphone attached to the outside of a human body is amplified and filtered by an external speech processor into physical vibration, without passing through the eardrum or the auditory ossicles, and the physical vibration is converted into an electrical signal and transferred to spiral ganglion through the electrode implanted in the cochlea.
  • the related art cochlear implant system requires a sender for receiving a sound from the outside of a living body and an external device for analyzing and processing the audio signal and converting the same into an electrical signal, which consumes much power.
  • the related art cochlear implant system omits a sound amplifying process of the eardrum or the auditory ossicles or a frequency discrimination mechanism of a basilar membrane.
  • efforts to generate a low power device frequently using a sound transmission mechanism of the external ear and the middle ear by developing a conversion device that may replace a function of a hair cell of a human body that converts mechanical vibration into an electrical signal are required.
  • the separate equipment is required to be constantly attached to the outside of a human body, causing problems in that it takes a long time for a user to become accustomed thereto as part of his body and a third party may recognize it.
  • a recently attempted totally implantable cochlear implant system has a limitation in a simple overall implantation due to sensitivity of a microphone under the skin.
  • the prior art relates to a frequency analyzer of a cochlear implant having a MEMS structure with a self-power supply function, wherein: an upper structure is stacked on a lower structure; the upper structure includes a first substrate and a nano-wire contact portion formed on a lower portion of the first substrate, the lower portion having a sawtooth shape and coated with platinum; the lower structure includes a second substrate having a certain space (space portion) formed therein to hold a fluid therein and having a structure in which an upper portion is open; a basilar membrane is formed on the fluid present in the space portion of the second substrate; a plurality of first electrodes are continuously formed on the basilar membrane such that intervals between the first intervals and widths (w) and lengths (L) of the first electrodes are different; and a nano-wire is grown on an upper portion of the first electrodes in a certain direction and having piezoelectric and semiconductor characteristics.
  • a sound wave entrance as a passage in which a sound wave makes a fluid in the space portion of the lower structure flow when the sound wave is generated, the nano-wire comes into contact with a nano-wire contact portion of the upper structure when the upper structure is stacked on the lower structure, and when a sound wave is generated, the sound wave moves the fluid of the lower structure, a particular position of the basilar membrane is moved by a particular frequency component of the sound wave, the nano-wire in contact with the first electrode on an upper portion of the basilar membrane is deformed, and the deformed nano-wire comes into contact with a corresponding nano-wire contact portion of the upper structure, and thus a nano-wire fixed to a shorter first electrode and a nano-wire fixed to a longer first electrode generate electrical signals (currents) having a particular frequency corresponding to a high frequency component and a low frequency component, respectively.
  • a recent cochlear implant system requires a technique of inserting an external device, which is exposed to the outer side of a human body, into the inner side of the human body.
  • the present invention has been made in an effort to provide an artificial basilar membrane device having advantages of eliminating installation of a microphone at an outer side of a human body, by installing an artificial basilar membrane between the eardrum and the promontory.
  • the present invention has also been made in an effort to provide an artificial basilar membrane device having advantages of being applicable into a human body when the auditory ossicles are damaged, by receiving vibration directly from the eardrum.
  • the present invention has also been made in an effort to provide an environment in which the interior of a receptor is formed of an elastic body so as to be stably fixed between the eardrum and the promontory and to allow an artificial basilar membrane to effectively sense vibration caused by a sound through the elastic body.
  • An exemplary embodiment of the present invention provides an artificial basilar membrane device including: a receptor receiving vibration caused by a sound from the eardrum; and an artificial basilar membrane installed in the receptor to sense the vibration, converting the sensed vibration into an electrical signal, discriminating the converted signal by frequency band, and transmitting the converted signal to the outside of the receptor.
  • an artificial basilar membrane device including: a receptor receiving a sound from the eardrum; a membrane formed on one surface of the receptor facing the eardrum and vibrated by the sound; and an artificial basilar membrane installed in the receptor, sensing vibration from the membrane, converting the sensed vibration into an electrical signal, discriminating the converted signal by frequency band, and transmitting the same to the outside of the receptor.
  • the artificial basilar membrane device may further include an amplifying unit installed in the receptor, connected to the artificial basilar membrane, and amplifying the signal discriminated by frequency band, wherein the amplifying unit transmits the amplified signal to the outside of the receptor.
  • an amplifying unit installed in the receptor, connected to the artificial basilar membrane, and amplifying the signal discriminated by frequency band, wherein the amplifying unit transmits the amplified signal to the outside of the receptor.
  • the artificial basilar membrane device may further include a speech processor installed in the receptor, connected to the amplifying unit, and processing the amplified signal to simulate the auditory nerve, wherein the speech processor transmits the processed signal to the outside of the receptor.
  • a speech processor installed in the receptor, connected to the amplifying unit, and processing the amplified signal to simulate the auditory nerve, wherein the speech processor transmits the processed signal to the outside of the receptor.
  • the artificial basilar membrane device may further include a fixing unit connected between the eardrum and the promontory to fixedly support the receptor between the eardrum and the promontory.
  • the receptor may be positioned within a tympanic cavity, configured in the form of a balloon, and tightly attached between the eardrum and the promontory, and the interior of the receptor may be formed of an elastic body.
  • the elastic body may transfer the received vibration to the artificial basilar membrane in at least one direction, and the elastic body may transfer the received vibration to the artificial basilar membrane tri-dimensionally.
  • the artificial basilar membrane may be a frequency analyzer having a MEMS structure with a self-power supply function.
  • a cochlear implant eliminating the necessity of an installation of a microphone at the outside of a body can be provided.
  • the artificial basilar membrane device since vibration is directly received from the eardrum, the artificial basilar membrane device can be applied into a human body even though the auditory ossicles are damaged.
  • the receptor since the interior of the receptor is formed of an elastic body, the receptor can be stably fixed between the eardrum and the promontory, and an environment in which the artificial basilar membrane effectively senses vibration caused by a sound through the elastic body can be provided.
  • FIG. 1 is a perspective view of an artificial basilar membrane device according to an embodiment of the present invention.
  • FIG. 2 is a view illustrating an overall configuration of a cochlear implant including the artificial basilar membrane device installed in a human body according to an embodiment of the present invention.
  • FIG. 3 is a sectional view of the artificial basilar membrane device of FIG. 1, and illustrates a configuration of the cochlear implant implemented therethrough.
  • FIG. 4 is a sectional view of an artificial basilar membrane device according to a second embodiment of the present invention.
  • FIG. 5 is a sectional view of an artificial basilar membrane device according to a third embodiment of the present invention.
  • FIG. 6 is a view illustrating an artificial basilar membrane device according to a fourth embodiment of the present invention and a configuration of a cochlear implant implemented therethrough.
  • FIG. 1 is a perspective view of an artificial basilar membrane device according to an embodiment of the present invention.
  • the artificial basilar membrane device includes a receptor 10, and an artificial basilar membrane 20 is included in the receptor 10.
  • the receptor 10 is positioned in a tympanic cavity 6 between an eardrum 2 and a promontory 4, and receives vibration caused by a sound from the eardrum 2.
  • the receptor 10 transfers the received vibration to the artificial basilar membrane 20, and transmits a signal electrically connected through the artificial basilar membrane 20 to the outside of the receptor 10.
  • the receptor 10 transfers vibration caused by a sound to the artificial basilar membrane 20 installed therein.
  • vibration may be transferred radially through a material formed within the receptor 10 or, according to another embodiment of the present invention, vibration caused by a sound may be transferred to the interior of the receptor through a transmission medium (e.g., an electric wire, or the like) connected to a surface of the receptor 10.
  • a transmission medium e.g., an electric wire, or the like
  • the receptor may be formed to have various shapes within the tympanic cavity 6.
  • the receptor 10 may have the most appropriate shape so as to be disposed in the tympanic cavity 6 between the eardrum 2 and the promontory 4.
  • the receptor 10 may have various shapes such as a quadrangular shape, a circular shape, a hemispherical shape, and a cubical shape.
  • the receptor 10 illustrated in FIG. 1 is formed to have a balloon shape according to an embodiment of the present invention.
  • the receptor 10 is tightly attached between the eardrum 2 and the promontory 4 within the tympanic cavity 6 by having such a balloon shape.
  • the interior of the receptor 10 may be configured as an elastic body 14.
  • the receptor 10 transfers vibration 12 received from the eardrum 2 through the elastic body 14 to the artificial basilar membrane 20.
  • the elastic body 14 transfers the received vibration 12 to the artificial basilar membrane 20 in at least one direction.
  • the elastic body 14 may transfer the vibration 12 to the artificial basilar membrane 20 in radial three-dimensional directions according to an embodiment of the present invention. That is, the vibration 12 is transferred to the artificial basilar membrane 20 in directions of 360 degrees.
  • the receptor 10 transfers the vibration 12 according to a sound to the interior thereof through waves of the material formed within the receptor 10.
  • the elastic body 14 may be made of various materials that are appropriate to be transferred to the interior.
  • the elastic body 14 is a polymer according to an embodiment of the present invention. That is, the elastic body 14 is made of a polymer to transfer the vibration 12 to the receptor 10.
  • the receptor 10 is tightly attached and stably fixed to the eardrum 2 and the promontory 4 within the tympanic cavity 6 by elasticity of the elastic body 14.
  • the receptor 10 since the interior of the receptor 10 is formed of the elastic body 14, the receptor 10 can be stably fixed between the eardrum 2 and the promontory 4 and the artificial basilar membrane 20 can effectively sense vibration caused by a sound through the elastic body 14.
  • the receptor 10 may be fixed between the eardrum 2 and the promontory 4 through a separate fixing unit. That is, the fixing unit may be connected to the eardrum 2 or the promontory 4, serving to fixedly support the receptor 10 between the eardrum 2 and the promontory 4.
  • the artificial basilar membrane 20 is installed in the receptor 10 to sense vibration received by the receptor 10.
  • the artificial basilar membrane 20 converts the sensed vibration into an electrical signal, discriminates the converted signal by frequency band, and transmits the converted signal to the outside of the receptor 10.
  • the artificial basilar membrane 20 may discriminate vibration by frequency band as soon as it senses the vibration, and convert the vibration sensed according to a discriminated frequency band into an electrical signal.
  • the artificial basilar membrane 20 converts the physical signal according to vibration into an electrical signal.
  • the artificial basilar membrane 20 may receive vibration by utilizing a nano-pillar, a piezoelectric element, or the like.
  • the artificial basilar membrane 20 may be a frequency analyzer having a MEMS structure with a self-power supply function.
  • artificial basilar membrane 20 may be implemented through a frequency separator disclosed in Korean Patent Registration No. 10-0932204.
  • FIG. 2 is a view illustrating an overall configuration of a cochlear implant including the artificial basilar membrane device installed in a human body according to an embodiment of the present invention.
  • FIG. 2 illustrates that the receptor 10 is disposed in the tympanic cavity 6 between the eardrum 2 and the promontory 4.
  • the receptor 10 receives vibration caused by a sound directly from the eardrum 2, and the artificial basilar membrane (not shown) installed in the receptor 10 converts the vibration into an electrical signal.
  • the receptor 10 transmits the electrically converted signal to a speech processor 40 installed outside the receptor 10, and the speech processor 40 transmits a processed signal to an electrode 50 installed in the cochlea, so the electrode 50 stimulates the auditory nerve.
  • a coil illustrated in FIG. 2 is connected to the speech processor 40 so as to be used to map a signal from the outside and charge power.
  • the artificial basilar membrane is disposed in the tympanic cavity 6 between the eardrum 2 and the promontory 4, even when auditory ossicles are damaged, vibration can be directly received from the eardrum 2.
  • FIG. 3 is a sectional view of the artificial basilar membrane device of FIG. 1 and illustrating a configuration of the cochlear implant implemented therethrough.
  • a cochlear implant includes the receptor 10 including the artificial basilar membrane 20, an amplifying unit 30, the speech processor 40, and the electrode 50.
  • the receptor 10 receives vibration caused by a sound from the eardrum 2, and transfers the received vibration to the artificial basilar membrane 20 radially, i.e., in four directions. Also, the artificial basilar membrane 20 senses the vibration, converts the sensed vibration into an electrical signal, and transfers the electrically converted signal to the outside of the receptor 10. The signal transferred to the outside of the receptor 10 is transferred to the auditory nerve of the cochlea through the amplifying unit 30, the speech processor 40, the electrode 50, and the like.
  • FIG. 4 is a sectional view of an artificial basilar membrane device according to a second embodiment of the present invention.
  • the artificial basilar membrane device according to an embodiment of the present invention of FIG. 4 further includes the amplifying unit 30 in addition to the artificial basilar membrane 20 in the receptor 10.
  • the amplifying unit 30 is installed in the receptor 10 and connected to the artificial basilar membrane 20 in the receptor 10.
  • the amplifying unit 30 receives an electrical signal discriminated by frequency band from the artificial basilar membrane 20, amplifies the received electrical signal, and transmits the amplified signal to the outside of the receptor 10.
  • FIG. 5 is a sectional view of an artificial basilar membrane device according to a third embodiment of the present invention.
  • the artificial basilar membrane device according to an embodiment of the preset invention of FIG. 5 further includes the speech processor 40 in addition to the artificial basilar membrane 20 and the amplifying unit 20 in the receptor 10.
  • the speech processor 40 is installed in the receptor 10 and connected to the amplifying unit 30 connected to the artificial basilar membrane 20 in the receptor 10.
  • the speech processor 40 processes a signal amplified through the amplifying unit 30 such that it stimulates the auditory nerve, and transmits the processed signal to the outside of the receptor 10.
  • FIG. 6 is a view illustrating an artificial basilar membrane device according to a fourth embodiment of the present invention and a configuration of a cochlear implant implemented therethrough.
  • the artificial basilar membrane 20 In the artificial basilar membrane device according to an embodiment of the present invention of FIG. 6, the artificial basilar membrane 20, the amplifying unit 30, and the speech processor 40 are installed in the receptor 10.
  • the receptor 10 has a tetrahedral shape and is in contact with the eardrum 2.
  • the receptor 10 includes an extra membrane 16 formed on one surface thereof in contact with the eardrum 2.
  • the membrane 16 serves to allow the receptor 10 to effectively receive a sound from the eardrum 2.
  • the membrane 16 is formed on one surface of the receptor 10 in a direction in which the membrane 16 faces the eardrum 2.
  • the membrane 16 is vibrated by a sound received by the eardrum 2, and transfers the corresponding vibration to the artificial basilar membrane 20 installed in the receptor 10.
  • the artificial basilar membrane 20 is installed between the eardrum 2 and the promontory 4, a cochlear implant without the necessity of installation of a microphone outside a human body is provided.
  • the artificial basilar membrane device according to an embodiment of the present invention directly receives vibration from the eardrum 2, the artificial basilar membrane device that can be applicable to a human body even when the auditory ossicles is damaged is provided.
  • the receptor 10 since the interior of the receptor 10 is formed of the elastic body 14, the receptor 10 can be stably fixed between the eardrum 2 and the promontory 4, providing an environment in which the artificial basilar membrane 20 can effectively sense vibration caused by a sound through the elastic body 14.
  • membrane 20 artificial basilar membrane

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biomedical Technology (AREA)
  • Transplantation (AREA)
  • Epidemiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Dermatology (AREA)
  • Medicinal Chemistry (AREA)
  • Radiology & Medical Imaging (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Vascular Medicine (AREA)
  • Neurosurgery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Prostheses (AREA)

Abstract

L'invention concerne un dispositif à membrane basilaire artificielle implanté dans une cavité tympanique aux fins de réception de vibrations provoquées par un son provenant d'un tympan. Le dispositif à membrane basilaire artificielle comprend un récepteur apte à recevoir des vibrations provoquées par un son provenant du tympan, et une membrane basilaire artificielle implantée dans le récepteur et permettant de détecter les vibrations, convertir les vibrations détectées en un signal électrique, effectuer une discrimination du signal converti par bandes de fréquences, et transmettre le signal converti à l'extérieur du récepteur. Même si la chaîne d'osselets est endommagée, le dispositif à membrane basilaire artificielle peut être implanté dans un organisme humain afin de recevoir les vibrations provoquées par un son provenant du tympan.
PCT/KR2013/000886 2012-02-02 2013-02-04 Dispositif à membrane basilaire artificielle WO2014021528A1 (fr)

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KR1020120010990A KR101334911B1 (ko) 2012-02-02 2012-02-02 인공 기저막 장치
KR10-2012-0010990 2012-02-02

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WO2014021528A1 true WO2014021528A1 (fr) 2014-02-06

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WO (1) WO2014021528A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104013480A (zh) * 2014-06-13 2014-09-03 山东大学 可感知音乐旋律的人工耳蜗听神经传导电极阵列
JP2016024143A (ja) * 2014-07-24 2016-02-08 株式会社小野測器 収音装置及びラウドネス計測装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030012390A1 (en) * 2000-02-16 2003-01-16 Albert Franks Cochlear implant
KR20060037044A (ko) * 2004-10-27 2006-05-03 경북대학교 산학협력단 압전형 진동자
JP2009101166A (ja) * 2007-10-25 2009-05-14 Korea Mach Res Inst 人工蝸牛の周波数分析器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030012390A1 (en) * 2000-02-16 2003-01-16 Albert Franks Cochlear implant
KR20060037044A (ko) * 2004-10-27 2006-05-03 경북대학교 산학협력단 압전형 진동자
JP2009101166A (ja) * 2007-10-25 2009-05-14 Korea Mach Res Inst 人工蝸牛の周波数分析器
KR100941773B1 (ko) * 2007-10-25 2010-02-11 한국기계연구원 자가전원 기능을 갖는 인공와우의 주파수 분석기

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104013480A (zh) * 2014-06-13 2014-09-03 山东大学 可感知音乐旋律的人工耳蜗听神经传导电极阵列
CN104013480B (zh) * 2014-06-13 2016-04-13 山东大学 可感知音乐旋律的人工耳蜗听神经传导电极阵列
JP2016024143A (ja) * 2014-07-24 2016-02-08 株式会社小野測器 収音装置及びラウドネス計測装置

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KR20130089550A (ko) 2013-08-12
KR101334911B1 (ko) 2013-11-29

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