Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent structure
Patent
1993-04-15
1995-05-09
Isabella, David
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent structure
623 12, 600 36, 128DIG8, A61F 206, A61F 204
Patent
active
054135974
ABSTRACT:
The invention relates to three-layer vascular prostheses comprising an internal layer 1, a middle layer 2 and an external layer 3 which is characterized in that the middle layer 2 is made from a physiologically non-resorbable, porous material, and the internal layer 1 and the external layer 3 are self-supporting and are made from a physiologically resorbable, fibrillar material, and are tanned. The internal layer 1 and the external layer 3 preferably consist of collagen, but have different resorbability. The middle layer 2 is preferably made from inert fibers, preferably synthetic fibers, by means of textile technology. The biologically resorbable layers preferably comprise chemically or physically bonded or incorporated pharmacologically active substances.
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Brittingham Debra S.
Isabella David
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