Patents by Inventor Roger N. Levy

Roger N. Levy 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).

  • Awls
    Patent number: 5855581
    Abstract: An awl suitable for both opening up a bone canal and for sizing that bone canal so as to obviate the use of a Charnley awl and the use of 4 to 5 distal reamers comprises (a) a tapered distal cutting head having a pointed first end, and a second end; and (b) a shaft attached to the second end, such that the shaft has a multiplicity of grooves calibrated so as to indicate the diameter of the isthmus of the bone canal. Also provided is a method of opening up a bone canal and of measuring the diameter of the isthmus of the bone canal with a single instrument.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: January 5, 1999
    Assignee: Howmedica Inc.
    Inventors: Antony Koblish, Roger N. Levy
  • Bone plug
    Patent number: 5766178
    Abstract: The plug is made of a plastic material and acts as a cement barrier for openings produced by an operative procedure in medullated bones. The plug is clamped between the side walls of the opening of the bone by means of elastic flanges and prevents the bone cement from escaping downwards on insertion of an intramedullary stem or upon pressurization of the bone cement.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: June 16, 1998
    Assignee: Howmedia Inc.
    Inventors: Michael Michielli, Roger N. Levy
  • Awls for sizing bone canals
    Patent number: 5562673
    Abstract: An awl suitable for both opening up a bone canal and for sizing that bone canal so as to obviate the use of a Charnley awl and the use of 4 to 5 distal reamers comprises (a) a tapered distal cutting head having a pointed first end, and a second end; and (b) a shaft attached to the second end, such that the shaft has a multiplicity of grooves calibrated so as to indicate the diameter of the isthmus of the bone canal. Also provided is a method of opening up a bone canal and of measuring the diameter of the isthmus of the bone canal with a single instrument.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: October 8, 1996
    Assignee: Howmedica Inc.
    Inventors: Antony Koblish, Roger N. Levy