Patents by Inventor Bjorn N. Rindal

Bjorn N. Rindal 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).

  • Publication number: 20130165938
    Abstract: A total hip femoral prosthesis provides a shortened neck and more proximal coating level. Additionally, a means for strengthening the neck may be incorporated to increase stress transfer to the native bone. A method for reducing potential impingement that results from a high neck resection level includes instrumentation for cutting chamfered surfaces into the bone surrounding the proximal end of the implant. Instrumentation and methods of creating chamfered cuts are disclosed.
    Type: Application
    Filed: June 26, 2012
    Publication date: June 27, 2013
    Applicants: IMDS CORPORATION
    Inventors: James C. Chow, Bjorn N. Rindal, Nicholas Slater, Joshua A. Butters
  • Publication number: 20130158674
    Abstract: A total hip femoral prosthesis provides a shortened neck and high porous coating level. Additionally, a means for strengthening the neck may be incorporated to increase stress transfer to the native bone. A method for reducing potential impingement that results from a high neck resection level includes cutting chamfered surfaces into the bone surrounding the proximal end of the implant. Instrumentation and methods of creating chamfered cuts are disclosed.
    Type: Application
    Filed: February 3, 2012
    Publication date: June 20, 2013
    Applicants: MEDICINELODGE, INC. DBA IMDS CO-INNOVATION
    Inventors: James C. Chow, Bjorn N. Rindal, Nicholas Slater, Joshua A. Butters
  • Publication number: 20120215225
    Abstract: A method and apparatus for forming an osteotomy in bone. The osteotomy opening is formed in a bone with a keyhole. A similarly configured implant is inserted into the opening with a key configured to engage the keyhole to provide stability and support to the osteotomy opening.
    Type: Application
    Filed: January 31, 2012
    Publication date: August 23, 2012
    Inventors: Marc J. Philippon, Kelly Ammann, J. Michael Egan, Marc Prisant, Bjorn N. Rindal
  • Publication number: 20090054899
    Abstract: Apparatus for performing an open wedge, high tibial osteotomy, the apparatus comprising a two-piece bearing implant comprising an upper bearing member and a lower bearing member, wherein the upper bearing member comprises a screw hole for securing the upper bearing member to an upper portion of bone, and the lower bearing member comprises a screw hole for securing the lower bearing member to a lower portion of bone, and further wherein the upper bearing member comprises an upper dovetail track and the lower bearing member comprises a lower dovetail track; and a wedge comprising an upper dovetail rail which is complementary to the upper dovetail track and a lower dovetail rail which is complementary to the lower dovetail track, in order that the wedge can be introduced between the upper and lower bearing members, so as to open a wedge-like opening between the upper and lower bearing members.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 26, 2009
    Inventors: Kelly G. Ammann, Vincent P. Novak, Robert E. Schneider, Justin R. Taber, Bjorn N. Rindal