Magnetic ossicular replacement prosthesis
Patent 4817607 Issued on April 4, 1989. Estimated Expiration Date: 
May 15, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 15, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3473170 3710399 3838468 3870832 3909852 Implantable structure Middle ear ossicular replacement prosthesis having a movable joint Auditory ossicle prosthesis Locking bail stapedial prosthesis Auditory ossicle phosthesis InventorAssigneeApplicationNo. 07/050909 filed on 05/15/1987US Classes:623/10, EAR OR NOSE PROSTHESIS181/135, Ear insert381/312, HEARING AIDS, ELECTRICAL381/331, Inductive pickup600/25SURGICALLY IMPLANTED VIBRATORY HEARING AIDExaminersPrimary: Jaworski, Francis J.Assistant: Manuel, George Attorney, Agent or FirmInternational ClassH04R 25/00 (20060101)AbstractAn 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 other remaining hearing losses can be corrected without the difficulties associated with conventional acoustic hearing aids.Other References
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