Partially absorbable prosthetic tubular article having an extern

Details Partially absorbable prosthetic tubular article having an extern Partially absorbable prosthetic tubular article having an extern

1986-12-24

1989-10-03

Apley, Richard J.

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

Implantable prosthesis

623 1, 623 13, 623 66, 1283355, A61F 202

Patent

active

048713651

ABSTRACT:
The invention involves the use of absorbable or absorbable
onabsorbable components to fabricate textile vascular grafts of all sizes and specifically for repair of the peripheral vascular system and for coronary bypass use. The bioabsorbable component of the graft fosters increased tissue ingrowth into the graft as compared to conventional 100% nonabsorbable grafts. Increased tissue ingrowth leads to greater patency through formation of a vascularized neointima and less tendency to be aneurysmal through formation of a suitable adventitia. The absorbable component can be a variety of materials, including PGA, MAXOM.TM., etc., whereas the nonabsorbable component (to be used as the backbone) can be new materials, e.g. NOVAFIL.RTM., or more conventional polymers, including polyester, polyamide or polypropylene. The vascular grafts further comprise an external support helically wrapped therearound and permanently attached to the outside surface.

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