| Patents for A61F 11 - Methods or devices for treatment of the ears, e.g. surgical; Protective devices for the ears, carried on the body or in the hand (9,023) |
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| 02/11/1991 | CA2022888A1 Electroacoustic device for hearing needs including noise cancellation |
| 02/05/1991 | US4989271 Headphone cushioning |
| 01/31/1991 | DE3924708A1 Mechano-cutaneous sound transmission using multiple spatial patterns - excited by vibrating magnets in concealed pectoral appts. with microphone and control unit worn as brooch |
| 01/30/1991 | CN2070171U Noise preventing cover |
| 01/29/1991 | CA1279544C Method and apparatus for treating meniere's disease |
| 01/23/1991 | CN2069721U Osseosonometer |
| 01/15/1991 | US4985925 Active noise reduction system |
| 01/15/1991 | US4984579 Apparatus for treatment of sensorineural hearing loss, vertigo, tinnitus and aural fullness |
| 01/15/1991 | CA1279101C Multichannel electrical stimulator with improved channel isolation |
| 01/09/1991 | EP0407236A1 Earseal for sound-attenuating earcup assembly |
| 01/02/1991 | EP0405331A2 Acoustic sensing device with noise cancellation |
| 01/01/1991 | US4982432 Electrotactile vocoder |
| 12/13/1990 | WO1990015584A1 Ear protector |
| 12/13/1990 | CA2059285A1 Ear protector |
| 12/11/1990 | US4977600 Sound attenuation system for personal seat |
| 12/06/1990 | DE3940632C1 Hearing aid directly exciting inner ear - has microphone encapsulated for implantation in tympanic cavity or mastoid region |
| 12/06/1990 | DE3918329A1 Hearing aid with electrical stimulation of inner ear - has microphone coupled to implanted system with inductive coupling element |
| 12/06/1990 | DE3917824A1 Audio training device for improving hearing ability - uses narrow band spectrum obtained from natural sound to stimulate nerve connections |
| 12/05/1990 | EP0400900A1 External ear canal pressure regulating device and tinnitus suppression device |
| 12/05/1990 | EP0400630A2 Implantable hearing aid |
| 12/05/1990 | CN2066731U Ear protector for noise |
| 12/04/1990 | US4975967 Earplug for noise protected communication between the user of the earplug and surroundings |
| 12/04/1990 | US4974606 Hearing protector and method of manufacturing the same |
| 12/03/1990 | EP0480919A4 Device for relieving inner ear pain. |
| 11/30/1990 | CA2016256A1 External ear canal pressure regulating device and tinnitus suppression device |
| 11/22/1990 | EP0398237A2 Method for manufacturing hearing aids |
| 11/20/1990 | US4971076 Method of ventilating the middle ear by means of a ventilation tube which can be applied in the tympanic membrane |
| 11/20/1990 | CA1276565C Ear plugs |
| 11/13/1990 | CA1276240C Transcutaneous power and signal transmission system and methods for increased signal transmission efficiency |
| 11/07/1990 | CN2065060U Antinoise ear defender |
| 10/23/1990 | US4964850 Method for treating trans-nasal sinus afflictions using a double t-shaped trans-nasal aerator |
| 10/09/1990 | US4961434 Array of recessed radially oriented bipolar electrodes |
| 09/25/1990 | US4958697 Anatomically shaped earseals for headsets |
| 09/18/1990 | US4958372 Hearing protector utilizing aural reflex mechanism |
| 09/12/1990 | EP0386220A1 Detectable earplug. |
| 09/05/1990 | CN1045211A Hearing aid without ear to hear |
| 08/22/1990 | EP0298956B1 Device for closing a curved duct |
| 08/22/1990 | CN1009246B External ear canal electrode tobe placed proximate the tympanic membrane |
| 08/09/1990 | WO1990009084A1 Ear-focused acoustic lens |
| 08/08/1990 | EP0381608A2 Method and apparatus for the fitting of a hearing aid, and associated probe |
| 08/01/1990 | EP0379962A1 Middle ear ventilation insert |
| 07/31/1990 | US4944361 Acoustic ear muff |
| 07/25/1990 | EP0378579A1 Method and apparatus for treating hearing deficiencies |
| 07/11/1990 | EP0377074A2 Hearing aid transducer |
| 07/05/1990 | DE3844221A1 Tinnitus masker |
| 06/28/1990 | WO1990007251A1 Tinnitus masker |
| 06/27/1990 | EP0375151A1 Apparatus and method for suppressing tinnitus |
| 06/26/1990 | US4936411 Detectable earplug |
| 06/26/1990 | US4935965 Ear muff |
| 06/19/1990 | CA2003452A1 Apparatus and method for suppressing tinnitus |
| 06/12/1990 | US4932405 System of stimulating at least one nerve and/or muscle fibre |
| 06/05/1990 | US4930520 Earpiece for auditory testing of infants |
| 05/30/1990 | CN2057583U Dual-purpose earplug for anti-noise and pronunciation exercise |
| 05/22/1990 | US4928311 Noise limiting circuit for earmuffs |
| 05/22/1990 | US4926879 Electro-tactile stimulator |
| 05/08/1990 | US4923469 Prothesis and electrode for the electrical stimulation of the inner ear, and method for producing said electrode |
| 05/02/1990 | EP0219380B1 Nerval stimulation apparatus for an auditive prosthesis |
| 05/02/1990 | CN2056590U Ear cover for preventing chilbrain |
| 05/01/1990 | US4920985 Device for closing a curved duct |
| 04/25/1990 | EP0365073A1 In-the-ear hearing aid |
| 04/25/1990 | CN2056348U Gear scraper for periosteum |
| 04/18/1990 | EP0364037A1 Antihowling hearing aid |
| 04/04/1990 | EP0360795A1 Electrode assembly for cochlear implant |
| 04/03/1990 | US4913259 Compressible ear tip |
| 04/03/1990 | US4913165 Underwater eardrum protector |
| 04/03/1990 | US4913132 Myringotomy instrument |
| 03/08/1990 | WO1990001914A1 Detectable earplug |
| 03/06/1990 | US4905322 Energy-absorbing earcup assembly |
| 02/28/1990 | EP0355993A1 Face mask for use under water |
| 02/15/1990 | DE3821536A1 Protective goggles with hearing protection |
| 02/08/1990 | WO1990000912A1 Apparatus and method for transmitting prosthetic information to the brain |
| 02/07/1990 | EP0353930A1 Eye and hearing protection |
| 02/06/1990 | US4898183 Apparatus and method for insertion of cochlear electrode assembly |
| 02/01/1990 | DE3825875A1 Open ear protector for high sound frequencies |
| 01/30/1990 | US4896679 Method and apparatus for the exclusion of sound and water from the auditory canal |
| 01/30/1990 | US4896380 To be used underwater |
| 01/30/1990 | CA1265063A1 Methods and means for deafening externally generated noises reaching the eardrum and for improving the clarity of perceived electro-acoustic communications |
| 01/10/1990 | CN1006361B Auditory stimulation using cw and pulsed signals |
| 01/09/1990 | US4892108 Multi-channel extracochlear implant |
| 01/03/1990 | CN2050319U Ear massage appliance |
| 01/02/1990 | US4890688 Anechoic ear piece |
| 01/02/1990 | US4890618 Nerve-stimulating device for auditory prosthesis |
| 12/28/1989 | WO1989012432A1 Active noise reduction system |
| 12/19/1989 | US4888017 Apparatus of controlling eustachian tube function |
| 12/14/1989 | WO1989011841A1 Sound attenuation system for personal seat |
| 12/13/1989 | EP0345345A1 Electroacoustic transducer. |
| 12/13/1989 | CN2049122U Tympanum ventilation drainage-tube (button) fixing device |
| 11/29/1989 | CN1005897B Multi-channel implantable neural stimulator |
| 11/09/1989 | DE3834442C1 Device for multi-channel transmission of information via the sense of touch |
| 11/02/1989 | WO1989010107A1 A noise attenuator attachment arm |
| 10/31/1989 | US4877027 Hearing system |
| 10/26/1989 | DE3834316C1 Hearing aid |
| 10/25/1989 | EP0338463A1 Energy-absorbing earcup assembly |
| 10/25/1989 | CN2046389U Drainage-ventilation tube setting instrument for use in tympanic membrance operation |
| 10/11/1989 | EP0336865A1 Electrodes supporting devices implantable in the cochlea for electrical stimulation of the auditory nerves |
| 10/11/1989 | EP0336487A1 Hearing protector |
| 10/10/1989 | US4872219 Self-supporting ear protector |
| 09/27/1989 | CN1035770A Miniature multifunctional examining and curing instrument |
| 09/26/1989 | CA1261278A1 Earplugs |
| 09/20/1989 | EP0333298A1 A hearing protector and method of manufacturing the same |