Implant with a base body of a biocorrodible iron alloy

US8372144B2 · kind B2 · utility

Assignee

• BIOTRONIK VI Patent AG · CH

Inventors

• Heinz Mueller · Erlangen, DE
• Joerg Loeffler · Greifensee, CH
• Peter Uggowitzer · Ottenbach, CH

Key dates

• Filing date: Feb 5, 2009
• Grant date: Feb 12, 2013
• Expiry date: Jan 31, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L31/022
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A base body for an implant comprising a biocorrodible iron alloy including at least one of the following: (i) a biocorrodible iron alloy of formula Fe—P where P is 0.01-5 wt %, and Fe plus impurities account for the remainder up to 100 wt %; or (ii) a biocorrodible iron alloy of formula Fe—Mn—X where Mn is 5-30 wt %, X is at least one of Pt, Pd, Ir, Rh, Re, Ru and Os, and X is 0-20 wt % and Fe plus impurities account for the remainder up to 100 wt %; or (iii) a biocorrodible iron alloy of formula Fe—Z where Z is at least one of Pt, Ir and Os and Z is 5-30 wt %, and Fe plus impurities account for the remainder up to 100 wt %.