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US 9,539,154 B2Granted
Medical device
AssigneeOxford Biomaterials Ltd.
InventorsDavid Philip Knight, Stephanie Lesage
Life of this patent
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Abstract
The present invention relates to a medical device, particularly a vascular graft or an arteriovenous (AV) graft for haemodialysis. The medical device comprises a layer of porous silk fibroin matrix and a layer of knitted silk fibers. The invention further relates to processes of manufacture of such medical devices and methods of use of such devices.
Claims20
A medical device comprising a tubular body and a long axis, wherein the tubular body comprises:
- (a) at least one layer of porous silk fibroin matrix;
- and
- (b) at least one layer of knitted silk fibres,
- wherein the luminal layer is a layer of porous silk fibroin matrix,
- and wherein one or more of the layers of knitted silk fibres is present, partially or completely, in an annulate, helical, threaded, spiral, grooved, corrugated or crimped form or profile.
2 more elements
Dependencies are inferred from the claim text.