AV grafts with rapid post-operative self-sealing capabilities
First Claim
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1. A self-sealing arteriovenous access graft comprising:
- a tube having a polymeric inner layer defining a lumen through which blood may flow;
an outer textile layer concentrically disposed about the inner layer; and
an intermediate self-sealing layer concentrically positioned between the inner and outer layers, said self-sealing layer comprising a biocompatible polymer.
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Abstract
The invention provides a self-sealing arteriovenous graft including a tube having a polymeric inner layer defining a lumen through which blood may flow and an outer textile layer. The outer textile layer is concentrically disposed about the inner layer. Furthermore, an intermediate self-sealing layer is concentrically positioned between the inner and outer layers. The self-sealing layer includes a biocompatible polymer.
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Citations
20 Claims
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1. A self-sealing arteriovenous access graft comprising:
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a tube having a polymeric inner layer defining a lumen through which blood may flow;
an outer textile layer concentrically disposed about the inner layer; and
an intermediate self-sealing layer concentrically positioned between the inner and outer layers, said self-sealing layer comprising a biocompatible polymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A self-sealing arteriovenous graft comprising:
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a tube having a polymeric inner layer defining a lumen through which blood may flow, said inner layer comprising ePTFE;
an outer knit layer concentrically disposed about the inner layer, said outer layer comprising polyester, and an intermediate self-sealing layer concentrically positioned between the inner and outer layers, said self-sealing layer comprising a silicone elastomer. - View Dependent Claims (18, 19, 20)
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Specification