US 11,795,524 B2
Medical Pt-W alloy
Yuki Horinouchi, Isehara (JP); Michimasa Okubo, Isehara (JP); Mizuki Nihei, Isehara (JP); Akira Inoue, Isehara (JP); and Takeyuki Sagae, Isehara (JP)
Assigned to TANAKA KIKINZOKU KOGYO K.K., Tokyo (JP)
Filed by TANAKA KIKINZOKU KOGYO K.K., Tokyo (JP)
Filed on Sep. 8, 2022, as Appl. No. 17/940,965.
Claims priority of application No. 2021-148529 (JP), filed on Sep. 13, 2021.
Prior Publication US 2023/0087651 A1, Mar. 23, 2023
Int. Cl. C22C 5/04 (2006.01); A61L 31/02 (2006.01); A61L 31/14 (2006.01)
CPC C22C 5/04 (2013.01) [A61L 31/022 (2013.01); A61L 31/143 (2013.01)] 5 Claims
 
1. A medical Pt—W alloy, comprising 10 mass % or more and 15 mass % or less of W, with the balance being Pt and inevitable impurities,
wherein the alloy further comprises Zr and a content of Zr in the alloy is 10 ppm or more and 800 ppm or less.