Patents by Inventor Randall Sword

Randall Sword 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).

  • Trocar method and apparatus
    Patent number: 5209736
    Abstract: Trocar assembly devices that include trocar tubes of different diameters to accommodate small and large diameter implements for providing communication into an anatomical cavity and a unique method of utilizing such devices. The trocar assembly devices include an outer or larger diameter trocar tube and an inner or smaller diameter trocar tube. A distal end portion of the inner trocar tube is tapered and extends distally beyond a distal end portion of the outer trocar tube.
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: May 11, 1993
    Assignee: Ethicon, Inc.
    Inventors: Randy R. Stephens, Dale R. Schulze, Gregory D. Bishop, Narinderjit Sambi, John M. Collins, George E. Selecman, Randall Sword