Patents by Inventor Lewis E. Hulbert

Lewis E. Hulbert 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).

  • Porous expandable device for attachment to bone tissue
    Patent number: 4011602
    Abstract: A device for attaching to substantially solid living bone tissue, comprising a body member having an outer surface shaped to fit approximately into an empty space in the tissue and having pores into which the tissue can grow to strengthen the bond between the device and the tissue, and adjustable means for expanding the body member against the tissue to an extent such as to provide a compressive stress capable of maintaining a snug and stable fit and of enhancing the growth of the tissue into the pores in the body member. The expanding means is adjustable to provide a stress between the tissue and the body member in the range of about 150 to 750 psi, typically 150 to 350 psi.
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: March 15, 1977
    Assignee: Battelle Memorial Institute
    Inventors: Edmund F. Rybicki, Kenneth Ray Wheeler, Lewis E. Hulbert, Manuel Tom Karagianes, Craig R. Hassler