Patents by Inventor Stevenson Shelley

Stevenson Shelley 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).

  • Apparatus for use in central vein cannulation
    Patent number: 5358490
    Abstract: Apparatus for central vein cannulation that includes a valved Y-connector for use between a conventional syringe and introducer needle. The valve is in an auxiliary arm and removably receives an end portion of a length of flexible tubing so that venous pressure can be visually observed during the medical procedure and then removed for insertion of a J-wire through the same valve by a conventional J-wire dispensing system.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: October 25, 1994
    Inventors: Richard A. Henry, Stevenson Shelley