Patents by Inventor Andrew Amis

Andrew Amis 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).

  • Reconstruction of Anterior Cruciate Ligaments
    Publication number: 20090171355
    Abstract: Apparatus for locating an attachment position for a reconstructed anterior cruciate ligament on an attachment surface of a bone comprises locating means (51, 61) arranged to locate at least one reference surface (4) of the bone and guide means (53, 54) arranged to define the attachment position in two dimensions on the attachment surface relative to the reference surface.
    Type: Application
    Filed: March 5, 2007
    Publication date: July 2, 2009
    Applicant: Imperial Innovations Ltd
    Inventors: Andrew Amis, Andrew Edwards
  • Artificial ligaments
    Patent number: 5575819
    Abstract: An artificial ligament for connecting across a skeletal joint comprises a bundle of fibers 1 each comprising a plurality of filaments 1a of polyethylene terephthalate. The ligament is constructed by winding a plurality of turns of the fiber 1 onto a winding apparatus and then binding the ends to form loops 4.Also disclosed is a ligament fixation device in the form of a cylindrical grommet, and a tensioning instrument for use in implanting an artificial ligament.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: November 19, 1996
    Assignee: Imperial College of Science and Technology
    Inventor: Andrew Amis
  • Elbow prosthesis
    Patent number: 4242758
    Abstract: An elbow prosthesis having a humeral component having spherical, articular surface portions which together extend over substantially the whole of the length of the component and which are shaped and dimensioned for improved fit with the ulna and radius or with prosthetic components located thereon. The invention also provides a set of instruments suitable for shaping the end of a bone to receive a prosthetic component.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: January 6, 1981
    Assignee: University of Leeds Industrial Service Ltd.
    Inventors: Andrew A. Amis, James H. Miller