Patents by Inventor Erik Vraa

Erik Vraa 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).

  • Method for the production of medical implants
    Patent number: 7993566
    Abstract: The present invention relates to a method and a device for alleviating and/or preventing conditions relating to damaged joints. The device may be formed by moulding. Also the device may be formed with a hole or a slit to fit into the joint and lock the device around intra-articular components. A further aspect of invention relates to method for introducing the prosthetic device into a joint, such as a method comprising locking the device to an intro-articutar component. Also the invention relates to an instrument for inserting a prosthetic device according to the invention.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: August 9, 2011
    Assignee: DSM IP Assets B.V.
    Inventors: Walther Batsberg Pedersen, Frederik Resen Steenstrup, Ole Ingemann Olsen, Lene Diness Jakobsen, Erik Vraa, Jes Bruun Lauritzen, Klaus Bechgaard
  • Prosthetic device
    Publication number: 20080012181
    Abstract: The present invention relates to a method and a device for alleviating and/or preventing conditions relating to damaged joints involving articulating surfaces. In a first aspect the present invention relates to a prosthetic device for insertion into a joint cavity of a joint of a vertebrate, such as a human, said device consisting of a biocompatible material comprising at least a first polymeric component and a second polymeric component, wherein the chain length of the first polymeric component is longer than the chain length of the second polymeric component, the polymeric components in particular being polyethylene, polypropylene and/or polyvinylpyrrolidone.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 17, 2008
    Inventors: Walther Pedersen, Frederik Steenstrup, Ole Olsen, Lene Jakobsen, Erik Vraa, Jes Lauritzen, Klaus Bechgaard
  • Prosthetic device
    Patent number: 7244273
    Abstract: The present invention relates to a method and a device for alleviating and/or preventing conditions relating to damaged joints involving articulating surfaces. In a first aspect the present invention relates to a prosthetic device for insertion into a joint cavity of a joint of a vertebrate, such as a human, said device consisting of a biocompatible material comprising at least a first polymeric component and a second polymeric component, wherein the chain length of the first polymeric component is longer than the chain length of the second polymeric component, the polymeric components in particular being polyethylene, polypropylene and/or polyvinylpyrrolidone.
    Type: Grant
    Filed: December 14, 2000
    Date of Patent: July 17, 2007
    Assignee: Cartificial A/S
    Inventors: Walther Batsberg Pedersen, Frederik Resen Steenstrup, Ole Ingemann Olsen, Lene Diness Jakobsen, Erik Vraa, Jes Bruun Lauritzen, Klaus Bechgaard
  • Prosthetic device
    Publication number: 20030093152
    Abstract: The present invention relates to a method and a device for alleviating and/or preventing conditions relating to damaged joints involving articulating surfaces. In a first aspect the present invention relates to a prosthetic device for insertion into a joint cavity of a joint of a vertebrate, such as a human, said device consisting of a biocompatible material comprising at least a first polymeric component and a second polymeric component, wherein the chain length of the first polymeric component is longer than the chain length of the second polymeric component, the polymeric components in particular being polyethylene, polypropylene and/or polyvinylpyrrolidone.
    Type: Application
    Filed: May 3, 2002
    Publication date: May 15, 2003
    Inventors: Walther Batsberg Pedersen, Frederik Resen steenstrup, Ole Ingemann Olsen, Lene Diness Jakobsen, Erik Vraa, Jes Bruun Lauritzen, Klaus Bechgaard