Patents by Inventor Jacque R. Cordey

Jacque R. Cordey 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).

  • Device and method for inserting a bone screw
    Patent number: 4359906
    Abstract: A device for tightening a screw into bone material to a defined torque value M.sub.O less than that at which the bone irreversibly deforms including means for measuring the torque, M, necessary to obtain an angular rotation, .alpha., measured from the point where the screw first contacts the underlying material, and determining a value for M.sub.O as a function of M/.alpha..
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: November 23, 1982
    Assignee: Synthes AG
    Inventor: Jacque R. Cordey