VASCULAR PROSTHETIC
First Claim
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2. A vascular prosthetic according to claim 1 wherein said anticoagulant comprises heparin.
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Abstract
A vascular prosthetic comprising a multilayered tubular fabric contains an anticoagulant on an inner layer to reduce the likelihood of clot formation. An outer layer does not contain an anticoagulant and may contain an anticoagulant inhibitor or antagonist to permit clot formation adjacent the outer layer to thus prevent exsanguination.
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Citations
6 Claims
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2. A vascular prosthetic according to claim 1 wherein said anticoagulant comprises heparin.
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3. A vascular prosthetic according to claim 2 wherein said inhibitor comprises a heparin inhibitor.
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4. A vascular prosthetic according to claim 3 wherein said heparin inhibitor is selected from the group consisting of epsilon amino caprioc acid, protamine, protamine zinc, acridine blue, polybrene and toludine blue.
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5. A vascular prosthetic according to claim 3 wherein said heparin inhibitor comprises a basic salt capable of reacting with heparin to form an insoluble salt with heparin.
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6. A vascular prosthetic according to claim 5 wherein said basic salt comprises a quaternary ammonium salt germicide.
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