Patent Number: 8,871,242

Title: Blood anticoagulant material, coating material and indwelling device comprising the same, and treatment using blood anticoagulant material

Abstract: A blood anticoagulant material is provided which has high expandability, reduced influence on living bodies, and can efficiently prevent blood coagulation. A multiblock copolymer having at least a structural unit represented by Formula (1), a structural unit represented by Formula (2), and a structural unit represented by Formula (3) is used: ##STR00001## wherein, R.sup.1, R.sup.2, and R.sup.3 in Formulas (1) to (3) each independently represent a divalent organic group, and m and n each independently represent an integer of 2 to 5000.

Inventors: Yamaoka; Tetsuji (Osaka, JP), Kato; Satoshi (Mie, JP), Kasai; Atsushi (Kanagawa, JP), Kakinoki; Sachiro (Osaka, JP)

Assignee: National Cerebral and Cardiovascular Center

International Classification: C08G 63/00 (20060101); C08G 63/08 (20060101); C08G 63/91 (20060101); C08L 67/00 (20060101); C08G 69/00 (20060101); C08G 67/00 (20060101)

Expiration Date: 2018-10-28 0:00:00