Patents by Inventor Eward W. Merrill

Eward W. Merrill 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).

  • RADIATION AND MELT TREATED ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE PROSTHETIC DEVICES
    Publication number: 20120016051
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: December 23, 2010
    Publication date: January 19, 2012
    Applicants: Massachusetts Institute of Technology, The General Hospital Corporation
    Inventors: Eward W. Merrill, William H. Harris, Murali Jasty, Orhun Muratoglu, Charles R. Bragdon, Daniel O. O'Connor, Premnath Venugopalan