Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Breast prosthesis – Implantable
Patent
1994-10-07
1996-01-02
Brittingham, Debra S.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Breast prosthesis
Implantable
623 7, 623 11, A61F 212, A61F 252, A61F 202
Patent
active
054804302
ABSTRACT:
A fluid-filled breast prosthesis for surgical implantation beneath the skin having a wrinkle resistent, elastic outer shell which is adapted to resist deformation or wrinkling during movement of the fluid filler. The outer shell, or envelope, has superior and inferior portions. The wall of the superior portion of the shell is substantially thickened with respect to the wall thickness of the inferior portion of the shell. The shell forms an envelope with an inner cavity which is filled with a biocompatible liquid such as saline. The presence of the thickened superior portion of the shell prevents wrinkles from forming in the breast prosthesis during fluid displacement such as occurs when the breast prosthesis recipient changes her anatomical position. The differentially thickened shell has a posterior base portion which may be reinforced to further stabilize the prosthesis.
REFERENCES:
patent: 4217889 (1980-08-01), Radovan et al.
patent: 4332634 (1982-06-01), Aperavich
patent: 4795464 (1989-01-01), Ebert et al.
patent: 4840615 (1989-06-01), Hancock et al.
patent: 4899764 (1990-02-01), Gauger et al.
Carlisle Daniel A.
Maxwell G. Patrick
Brittingham Debra S.
McGhan Medical Corporation
Petit Michael G.
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