Method for making a tympanic membrane prosthesis

Details Method for making a tympanic membrane prosthesis Method for making a tympanic membrane prosthesis

1973-05-11

1977-03-29

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

264222, 264232, 264330, B29C 2300

Patent

active

040149714

ABSTRACT:
Synthetic anatomical members, such as a tympanic membrane and a malleus, are illustrated and a method for making them is disclosed. In accordance with the method, prepared collagenous tissue is placed in a mold and immersed in, or sprayed with, a buffered formaldehyde or functionally similar preservative. After removal from the mold, the tissue retains the shape assumed in the mold. Provisions are made for attaching other anatomical members, such as bone, to the tissue for use in, for example, en bloc reconstruction of an eardrum and ossicles.

REFERENCES:
patent: 3110549 (1963-11-01), Cohen
patent: 3562820 (1971-02-01), Braun
patent: 3587586 (1971-06-01), Kronenthal
patent: 3722003 (1973-03-01), Walchle
patent: 3823423 (1974-07-01), Campo
patent: 3838468 (1974-10-01), Armstrong

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