Back to results
US 2009/0024211 A1Published application
Stent with a coating or filling of a cavity
AssigneeBiotronik Vi Patent AG
InventorEric Wittchow
Life of this patent
Estimating the term…
Abstract
A stent of a metallic base body and with an SiO2-containing or silicate-containing coating or filling of a cavity.
Claims13
A stent, comprising:
- (i) a metallic base body;
- and
- (ii) either an SiO2-containing or silicate-containing coating or an SiO2-containing or silicate-containing filling of a cavity.
A method for manufacturing an SiO2-containing coating on a stent of a metallic base body, comprising:
- (i) providing the stent of a metallic base body;
- (ii) contacting a surface of the base body with an aqueous colloidal dispersion containing amorphous SiO2 particles with an average particle size in the range of 5-75 nm;
- and
- (iii) either simultaneously or in following step (ii), thermally treating the stent at least in the area of the contact surface, forming the SiO2-containing coating.
1 more element
Dependencies are inferred from the claim text.