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US 4,193,138 AGranted
Composite structure vascular prostheses
AssigneeSumitomo Electric Industries, Ltd.
InventorKoichi Okita
Life of this patent
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Abstract
A composite structure vascular prosthesis comprising a porous polytetrafluoroethylene tube in which the pores of the porous polytetrafluoroethylene tube are filled with at least one water-insolubilized water-soluble polymer, and a process for producing the composite structure vascular prosthesis.
Claims28
A composite structure vascular prosthesis comprising a porous polytetrafluoroethylene tube in which the pores of the porous polytetrafluoroethylene tube are filled with at least one water-insolubilized water-soluble polymer.
Dependencies are inferred from the claim text.