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US 11,517,417 B2Granted
Woven prosthesis and method for manufacturing the same
AssigneeMaquet Cardiovascular LLC
InventorGeorge Du
Life of this patent
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Abstract
A woven prosthesis, such as a woven vascular graft, woven from warp and weft yarns. Velour warp yarns forming the prosthesis are selectively incorporated into a base layer of the prosthesis so as to provide a bulbous section without compromising the porosity of the prosthesis.
Claims13
An implantable medical prosthesis comprising:
- a woven base comprising base warp yarns interwoven with weft yarn passes, the woven base at least partially forming smaller and larger diameter portions of the prosthesis;
- and
- one or more velour yarns forming part of both the smaller and larger diameter portions;
- wherein in at least a portion of the larger diameter portion at least one of the one or more velour yarns incorporated into the woven base exhibits a weave pattern consistent with the woven base;
- wherein the larger diameter portion is not crimped.
2 more elements
Dependencies are inferred from the claim text.