Patents by Inventor Lars Opsahl

Lars Opsahl 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).

  • Implants with modified surfaces for increased biocompatibility, and method for production thereof
    Patent number: 6627321
    Abstract: An implant with a surface modified for improved bio-compatiability consisting of a metal or an alloy thereof, said implant surface comprising a modified outer layer is disclosed, wherein said metal preferably is titanium, zirconium, hafnium or tantalum, and most preferably titanium, and said modified outer layer preferably comprises a hydride of said metal. Also a method for the production of such an implant is disclosed.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: September 30, 2003
    Assignee: Astra Tech AB
    Inventors: Jan Eirik Ellingsen, Ketil Videm, Lars Opsahl, Hans Jacob Ronold