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.
Patent No.:
Date of Patent:
Jun. 09, 2015
Filed:
Dec. 20, 2011
Peter Kurze, Nideggen, DE;
Thomas Imwinkelried, Oberdorf, CH;
Stefan Beck, Oberdorf, CH;
Dora Banerjee, Kerpen, DE;
Tamara Schwarz, Bergheim, DE;
Peter Kurze, Nideggen, DE;
Thomas Imwinkelried, Oberdorf, CH;
Stefan Beck, Oberdorf, CH;
Dora Banerjee, Kerpen, DE;
Tamara Schwarz, Bergheim, DE;
DePuy Synthes Products, Inc., Raynham, MA (US);
Abstract
A medical implant comprises a biodegradable magnesium-based alloy of which at least a part of its surface layer comprises a magnesium carbonate. A method for the manufacture of a biocompatible, corrosion-inhibiting protective surface layer on a medical implant comprising a magnesium-based alloy, comprises: providing an implant comprising a magnesium-based alloy to be coated; placing the implant into a reactor chamber; exposing at least part of the surface of said implant to an atmosphere comprising humid carbon dioxide to produce a coating on the surface of the implant comprising a magnesium carbonate of the formula x MgCO.y Mg (OH), whereby x+y=1; removing the implant from the reactor chamber; and drying the surface of the implant.