Middle ear prosthesis

Details Middle ear prosthesis Middle ear prosthesis

1990-08-16

1993-01-19

Isabella, David

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

Ear or nose prosthesis

A61F 218

Patent

active

051803917

ABSTRACT:
A middle ear prosthesis comprises a circular ring of substantially rigid synthetic material of a type able to bond to the osseous tissue if placed in contact with it; an elastic membrane of synthetic material compatible with the human body and fixable to the ring to close it; a columellar element of material compatible with the human body comprising a rigid but curvable intermediate portion; first connection means for connecting the intermediate portion to the central region of the membrane; and second connection means for fixing the intermediate portion to the stapes or to that part of it which remains.

REFERENCES:
patent: 3473170 (1969-10-01), Haase et al.
patent: 3838468 (1974-10-01), Armstrong
patent: 4169292 (1979-10-01), Grote
patent: 4281419 (1981-08-01), Treace
patent: 4601723 (1986-07-01), McGrew
patent: 4740209 (1988-04-01), Gersdorff
patent: 4817607 (1989-04-01), Tatge
patent: 4957507 (1990-09-01), Lenkauskas

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