Composite grafts

Details Composite grafts Composite grafts

1986-01-13

1988-05-10

Apley, Richard J.

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

Arterial prosthesis

Stent structure

623 11, A61F 206

Patent

active

047432527

ABSTRACT:
Composite grafts are provided that have a porous wall structure to permit ingrowth thereinto under in vivo conditions but which include a generally non-porous membrane in the wall to prevent substantial fluid passage therethrough so as to provide an implantable porous graft that does not require preclotting prior to implantation. One or more of such membranes are formed in place by applying a polymeric membrane-forming composition during the formation of a graft body by winding elongated extruded fibers on a mandrel.

REFERENCES:
patent: 2411660 (1946-11-01), Manning
patent: 2886877 (1959-05-01), Frickert et al.
patent: 4044404 (1977-08-01), Martin et al.
patent: 4323525 (1982-04-01), Bornat
patent: 4475972 (1984-10-01), Wong
Article, Annis, et al, "An Elastomeric Vascular Prosthesis", Trans.Am.Soc.Artif.Intern.Organs, vol. XXIV, pp. 209-214, (1978).
Leidner et al, "A Novel Process for the Manufacturing of Porous Grafts: Process Description and Product Evaluation", Journal of Biomedical Materials Research, vol. 17, pp. 229-247, (1983).

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