| 摘要 |
The present invention relates to provide a catheter tube having excellent insertability into the body, excellent operability and an excellent anti-thrombogenic property, and also provide a catheter having the tube. For the purpose, a catheter tube of the present invention comprises a mixture of an isobutylene block copolymer and a thermoplastic polyurethane resin, wherein the isobutylene block copolymer is composed of a polymer block mainly comprising isobutylene and a polymer block mainly comprising a monomeric component other than isobutylene; and a catheter using the tube.
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