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| Number | Title | Issue Date |
| 4840178 | Magnet for installation in the middle ear A magnet assembly for location around portions of bones in the middle ear where one portion of the assembly is a magnet and another portion of the assembly is a magnetic material, the portions being hinged to one another so that they are held around the b... | 06/20/1989 |
| 4817607 | Magnetic ossicular replacement prosthesis An ossicular replacement prosthesis containing a magnet in the head of the prosthesis so that when used with a magnetic induction hearing aid having a coil producing a magnetic field, the hearing losses resulting from insertion of the prosthesis and any o... | 04/04/1989 |
| 4813419 | Method and apparatus for communicating information representative of sound waves to the deaf A method and apparatus of communicating audio signals to the deaf is described. In accordance with the method described, electrical impulses characteristic of sound waves are applied either directly to the tactile sensory nerves by means of an implant or ... | 03/21/1989 |
| 4800884 | Magnetic induction hearing aid A magnetic induction hearing aid where the microphone, the amplifying electronics, the battery and a coil are contained in a single housing which is located deep in the ear canal. A magnet is attached to portions of the middle ear by means of a malleus cl... | 01/31/1989 |
| 4774933 | Method and apparatus for implanting hearing device A bone conduction hearing device in the form of a magnetic disk is implanted and fastened to the temporal bone by a screw thread connection. Apparatus includes instruments for accurately drilling and tapping a hole in the temporal bone, and a wrench for t... | 10/04/1988 |
| 4729366 | Implantable hearing aid and method of improving hearing A method and apparatus are disclosed for improving the hearing of a hearing-impaired subject who, if anatomically normal, possesses a tympanic membrane intended for generating mechanical tympanic vibration in response to sound waves impinging thereon, an ... | 03/08/1988 |
| 4628907 | Direct contact hearing aid apparatus A direct contact hearing aid apparatus adapted to be mounted deep within the ear canal is disclosed, including an output electromechanical transducer for converting audio output signals into mechanical movement of an output coupling element without the pr... | 12/16/1986 |
| 4612915 | Direct bone conduction hearing aid device A direct bone conduction hearing aid device is disclosed and includes a sound processor for receiving sound and generating an amplified electromagnetic signal in response thereto. This signal is transmitted to a subcutaneously implanted vibration generati... | 09/23/1986 |
| 4606329 | Implantable electromagnetic middle-ear bone-conduction hearing aid device An implantable electromagnetic middle-ear bone conduction hearing aid device is disclosed which provides variability to meet a variety of pathological entities of the hearing impaired user. The device utilizes a sound processing component for converting s... | 08/19/1986 |
| 4498461 | Coupling to a bone-anchored hearing aid The present invention refers to a coupling intended for mechanical transmission of sound information from a vibration generating apparatus as a transmitter to the skull of a person with damaged hearing, including a first coupling part, for example directl... | 02/12/1985 |
| 4063048 | Implantable electronic hearing aid An electronic hearing aid device for enabling persons having loss of hearing due to a nonfunctioning inner ear (Cochlea), but have a responsive auditory (acoustic, or eighth cranial) nerve, to hear by way of an electronic device including a microphone for... | 12/13/1977 |
| 4052754 | Implantable structure A structure for in vivo implantation which includes an elongate section terminating in one end in an enlarged portion and being at least partially of a biocompatible porous material having characteristics of promoting ingrowth of tissue. The structure is ... | 10/11/1977 |
