Prostheses for ossicular reconstruction
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United States of America Patent
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-
Apr 7, 1987
Grant Date -
N/A
app pub date -
Jan 12, 1984
filing date -
Jan 12, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Prostheses for reconstruction of the ossicles of the middle ear, comprising an elongated lever member replacing the incus and providing a mechanical advantage at least as great as that of natural middle ear ossicles, means for attachment thereof to the stapes if intact, or a synthetic stapes when the natural stapes is absent. A prosthesis for replacement only of the stapes is also disclosed. A method of stabilizing reconstructive prostheses for short-term and long-term hearing restoration is provided, comprising laser welding of prostheses in selected positions and placing porous surfaces of prostheses in contact with host bone whereby to promote bone ingrowth.
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