Nickel-free stainless steel stent
US9320622B2 · kind B2 · utility
0Cited by
1References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2011 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Sep 16, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/44
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A nickel-free stainless steel stent using a stainless steel which does not substantially contain Ni in the stainless steel, has a metal allergy onset-preventing effect, and is excellent in terms of precision workability, strength, and ductility, is provided. The nickel-free stainless steel stent is characterized by using a stainless steel containing, as a chemical composition, from 15 to 30% by mass of Cr, from 0.97 to 2% by mass of Mo, and from 0.5 to 1% by mass of N, with the remainder being Fe, and optionally containing inevitable impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.