[G] Biomaterials Development and Clinics

[262] Evaluation of Mechanical Properties, X-ray Visibility, and Magnetic Susceptibility Artifact of the Co-Cr-Ni-W Alloys for Balloon-expandable Stents

*Kyosuke UEDA¹, Yusaku HONDA², Kosuke UEKI³, Tomokazu NUMANO⁴, Takayuki NARUSHIMA¹ (1. Graduate School of Engineering, Tohoku Univ., 2. Graduate School of Engineering, Tohoku Univ. (Present: ISHIFUKU Metal Industry Co. Ltd.), 3. Department of Mechanical Engineering, Kindai Univ., 4. Tokyo Metropolitan Univ.)

Keywords:Co-Cr合金、X線視認性、低磁化率、MRI

Co-Cr-W-Ni合金のNiをPtに置換した新規合金の機械的特性、X線視認性、MRI撮影時におけるアーチファクト形成を評価した。密度が高く磁化率の小さいPtを用いたためX線造影性は向上しアーチファクト形成は抑制できた。