Artificial blood vessel

摘要

Provided is an artificial blood vessel made of fabric that enables the amount of blood leaking from gaps in fibers to be reduced. The artificial blood vessel comprises a cylindrical multiple woven fabric structure, and uses a microfiber multifilament yarn having a single yarn fineness of 0.5 dtex or less as a warp yarn mainly constituting an inner layer that comes into contact with blood, and a multifilament yarn having a single yarn fineness of 1.0 dtex or higher as a warp yarn mainly constituting an outer layer, wherein the apparent cover factor of the inner layer is 2,000 or higher.