Patents by Inventor Marco Wolfstadter

Marco Wolfstadter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PEO coating on Mg screws
    Patent number: 10010652
    Abstract: The present invention relates generally to a bio-degradable implant based on magnesium having a reduced corrosion rate and to a method for the production of such an implant. It is a method for treating a surface of a bio-degradable metallic implant comprising the following steps: providing a dispersed system comprising a colloid-dispersed apatite and adding an apatite powder to the dispersed system, subjecting an implant to the dispersed system such that a surface of the implant which is to be treated is immersed in the dispersed system wherein the implant comprises a magnesium based alloy, applying an AC voltage difference between the implant as a first electrode and a second electrode positioned in the dispersed system for generating a plasma electrolytic oxidation on the immersed surface of the implant so that the immersed surface is converted to an oxide film which is at least partially covered by apatites formed by the colloid-dispersed apatite and the apatite powder.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: July 3, 2018
    Assignee: AAP INPLANTATE AG
    Inventors: Elvira Dingeldein, Cyrille Gasqueres, Amir Eliezer, Marco Wolfstadter, Lydia Heimann
  • Implant made of a magnesium alloy and method for the production thereof
    Patent number: 9676026
    Abstract: A method for manufacturing a bioresorbable implant, wherein a magnesium alloy is formed into an implant. A melt is pressed into a die and gases in the die induce turbulence in the inflowing melt, thereby enclosing gas, so that the porous implant is formed with a porosity, which increases from outside inwardly. The surface of the implant is substantially free from open pores.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: June 13, 2017
    Assignee: AAP Implantate AG
    Inventors: Frank Witte, Norbert Hort, Marco Wolfstadter, Bernd Frohlich, Wolfgang Voith, Hans-Joachim Fischer
  • Hydroxylapatite material, and method for the production thereof
    Patent number: 9561305
    Abstract: The invention relates to a hydroxylapatite material, for the production of which a nanoscale hydroxylapatite paste is subjected to a thermal treatment.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: February 7, 2017
    Assignee: AAP BIOMATERIALS GMBH
    Inventors: Elvira Dingeldein, Lydia Heimann, Georgiana Gasqueres, Marco Wolfstadter
  • PEO COATING ON MG SCREWS
    Publication number: 20160144080
    Abstract: The present invention relates generally to a bio-degradable implant based on magnesium having a reduced corrosion rate and to a method for the production of such an implant. It is a a method for treating a surface of a bio-degradable metallic implant comprising the following steps: providing a dispersed system comprising a colloid-dispersed apatite and adding an apatite powder to the dispersed system, subjecting an implant to the dispersed system such that a surface of the implant which is to be treated is immersed in the dispersed system wherein the implant comprises a magnesium based alloy, applying an AC voltage difference between the implant as a first electrode and a second electrode positioned in the dispersed system for generating a plasma electrolytic oxidation on the immersed surface of the implant so that the immersed surface is converted to an oxide film which is at least partially covered by apatites formed by the colloid-dispersed apatite and the apatite powder.
    Type: Application
    Filed: January 29, 2016
    Publication date: May 26, 2016
    Inventors: Elvira DINGELDEIN, Cyrille GASQUERES, Amir ELIEZER, Marco WOLFSTADTER, Lydia HEIMANN
  • PEO coating on Mg screws
    Patent number: 9297090
    Abstract: The present invention relates generally to a bio-degradable implant based on magnesium having a reduced corrosion rate and to a method for the production of such an implant. It is a a method for treating a surface of a bio-degradable metallic implant comprising the following steps: providing a dispersed system comprising a colloid-dispersed apatite and adding an apatite powder to the dispersed system, subjecting an implant to the dispersed system such that a surface of the implant which is to be treated is immersed in the dispersed system wherein the implant comprises a magnesium based alloy, applying an AC voltage difference between the implant as a first electrode and a second electrode positioned in the dispersed system for generating a plasma electrolytic oxidation on the immersed surface of the implant so that the immersed surface is converted to an oxide film which is at least partially covered by apatites formed by the colloid-dispersed apatite and the apatite powder.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: March 29, 2016
    Assignee: AAP IMPLANTATE AG
    Inventors: Elvira Dingeldein, Cyrille Gasqueres, Amir Eliezer, Marco Wolfstadter, Lydia Heimann
  • IMPLANT MADE OF A MAGNESIUM ALLOY AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20150053364
    Abstract: The invention relates to an implant from a magnesium alloy, in which porosity increases towards the core.
    Type: Application
    Filed: October 31, 2014
    Publication date: February 26, 2015
    Inventors: Frank WITTE, Norbert HORT, Marco WOLFSTADTER, Bernd FROHLICH, Wolfgang VOITH, Hans-Joachim FISCHER
  • HYDROXYLAPATITE MATERIAL, AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20120265152
    Abstract: The invention relates to a hydroxylapatite material, for the production of which a nanoscale hydroxylapatite paste is subjected to a thermal treatment.
    Type: Application
    Filed: September 2, 2010
    Publication date: October 18, 2012
    Inventors: Elvira Dingeldein, Lydia Heimann, Georgiana Gasqueres, Marco Wolfstadter
  • PEO COATING ON MG SCREWS
    Publication number: 20120150295
    Abstract: The present invention relates generally to a bio-degradable implant based on magnesium having a reduced corrosion rate and to a method for the production of such an implant. It is a a method for treating a surface of a bio-degradable metallic implant comprising the following steps: providing a dispersed system comprising a colloid-dispersed apatite and adding an apatite powder to the dispersed system, subjecting an implant to the dispersed system such that a surface of the implant which is to be treated is immersed in the dispersed system wherein the implant comprises a magnesium based alloy, applying an AC voltage difference between the implant as a first electrode and a second electrode positioned in the dispersed system for generating a plasma electrolytic oxidation on the immersed surface of the implant so that the immersed surface is converted to an oxide film which is at least partially covered by apatites formed by the colloid-dispersed apatite and the apatite powder.
    Type: Application
    Filed: July 15, 2011
    Publication date: June 14, 2012
    Inventors: Elvira DINGELDEIN, Cyrille Gasqueres, Amir Eliezer, Marco Wolfstadter, Lydia Heimann
  • IMPLANT MADE OF A MAGNESIUM ALLOY AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20110313527
    Abstract: The invention relates to an implant from a magnesium alloy, in which porosity increases towards the core.
    Type: Application
    Filed: August 11, 2009
    Publication date: December 22, 2011
    Applicant: AAP BIOMATERIALS GMBH
    Inventors: Frank Witte, Norbert Hort, Marco Wolfstadter, Bernd Frohlich, Wolfgang Voith, Hans-Joachim Fischer