The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 21, 2025

Filed:

Jan. 22, 2021
Applicant:

Biotronik Ag, Buelach, CH;

Inventors:

Jonathan S. Stinson, Plymouth, MN (US);

Dennis A. Boismier, Shorewood, MN (US);

Jacob Drew Edick, Minneapolis, MN (US);

Torsten Scheuermann, Munich, DE;

Louis Toth, Rogers, MN (US);

Jan Weber, Maastricht, NL;

Charles Deng, Chanhassen, MN (US);

Assignee:

BIOTRONIK AG, Buelach, CH;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22C 23/02 (2006.01); A61F 2/82 (2013.01); A61L 31/02 (2006.01); A61L 31/14 (2006.01); C22F 1/06 (2006.01);
U.S. Cl.
CPC ...
A61F 2/82 (2013.01); A61L 31/022 (2013.01); A61L 31/14 (2013.01); A61L 31/148 (2013.01); C22C 23/02 (2013.01); C22F 1/06 (2013.01);
Abstract

A bioerodible endoprosthesis includes a bioerodible magnesium alloy. The bioerodible magnesium alloy has magnesium and one or more additional alloying elements, including aluminum. The alloy has a microstructure comprising equiaxed Mg-rich solid solution phase grains having an average grain diameter of less than or equal to 5 microns and continuous or discontinuous second-phase precipitates in grain boundaries between the Mg-rich solid solution-phase grains, the second-phase precipitates having an average longest dimension of 0.5 micron or less.


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