Plain-weave fabric, method for manufacturing same, and stent graft
AssigneeToray Industries, Inc.
InventorsNobuaki Tanaka, Hiroshi Tsuchikura, So Kakiyama, Kazuhiro Tanahashi
Life of this patent
Estimating the term…
Abstract
There is provided a plain-weave fabric excellent in low air permeability and waterproofness. Further, there is provided a stent graft excellent in low water permeability mechanical properties and catheter storage capacity, including the plain-weave fabric as a graft substrate. A plain-weave fabric woven by interlacing weaving yarns in warp and weft, in which weaving yarns YA and YB arranged in the same direction have different crimp ratios A and B, respectively, a relationship thereof satisfies Formula 1, and the crimp ratio B is 4% or more, and the plain-weave fabric is preferably used for a stent graft; A≥B×1.2.
Claims16
A plain-weave fabric woven by interlacing weaving yarns in warp and weft, wherein weaving yarns YA and YB arranged in the same direction have different crimp ratios A and B, respectively, a relationship thereof satisfies the following Formula 1, the crimp ratio A is 30% or more, and the crimp ratio B is 4% or more;
- A≥B×1.2 (Formula 1).
Dependencies are inferred from the claim text.