Prostheses for ossicular reconstruction

Details Prostheses for ossicular reconstruction Prostheses for ossicular reconstruction

1984-01-12

1987-04-07

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Ear or nose prosthesis

A61F 218

Patent

active

046557768

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.

REFERENCES:
patent: 3473170 (1969-11-01), Hasse et al.
patent: 4130905 (1978-12-01), Mercandino
patent: 4169292 (1979-10-01), Grote
patent: 4215438 (1980-08-01), Pappas
patent: 4281419 (1981-08-01), Treace

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