Title:
MEDICAL FABRIC, METHOD FOR PRODUCING SAME, ARTIFICIAL ORGAN, AND STENT GRAFT
Document Type and Number:
WIPO Patent Application WO/2021/182060
Kind Code:
A1
Abstract:
In order to provide a medical fabric having excellent mechanical characteristics and low moisture permeability, the present invention provides a medical fabric that comprises a plain weave fabric and wherein one of the warp and the weft includes fibers having differing crimp rates KA, KB (wherein KA > KB), the other comprises fibers having a crimp rate (KC), and the formulas (1) and (2) indicated below are satisfied. This medical fabric is thin enough to be accommodated in a catheter with a small diameter, has excellent durability, low moisture permeability, and mechanical characteristics when accommodated in a delivery catheter and when deploying a stent in an affected area, and can be suitably used in artificial organs such as stent grafts having characteristics that were not possible in the prior art. Formula (1): 4KC ≤ KA ≤ 100KC. Formula (2): 0.5KC ≤ KB ≤ 2KC.
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Inventors:
YAMADA SATOSHI (JP)
Application Number:
PCT/JP2021/006134
Publication Date:
September 16, 2021
Filing Date:
February 18, 2021
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D03D1/00; A61F2/07
Domestic Patent References:
| WO2019150937A1 | 2019-08-08 | |||
| WO2019208262A1 | 2019-10-31 | |||
| WO2017126009A1 | 2017-07-27 |
Foreign References:
| JPH05237140A | 1993-09-17 |
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