Vascular prosthesis having a composite structure
First Claim
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1. A vascular prosthesis having a composite structure of a porous tubing of polytetrafluoroethylene with polyethyleneimine in the pores of the tubing, said polyethyleneimine being water-insolubilized with the amino groups quaternized and having heparin ionically bound thereto.
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Abstract
A vascular prosthesis having a composite structure of a porous tubing of polytetrafluoroethylene with polyethyleneimine in the pores of the tubing, the polyethyleneimine being water-insolubilized with the amino groups quaternized and having heparin ionically bound thereto.
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Citations
8 Claims
- 1. A vascular prosthesis having a composite structure of a porous tubing of polytetrafluoroethylene with polyethyleneimine in the pores of the tubing, said polyethyleneimine being water-insolubilized with the amino groups quaternized and having heparin ionically bound thereto.
Specification