Patents by Inventor Kevin D. Duffy

Kevin D. Duffy 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).

  • Percutaneous catheter introducer
    Patent number: 5368574
    Abstract: A percutaneous catheter introducer having a tube with tube handle, a seal housing containing a seal, and a needle with a needle handle. The needle is extended through the seal housing and tube. The needle and tube are percutaneously inserted into an anatomical body cavity. The needle is removed and a catheter is inserted. The seal housing can be removed in order to use the tube for aspiration. Alternatively, the seal is positioned within the tube handle.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: November 29, 1994
    Assignee: Ethicon, Inc.
    Inventors: Anthony C. Antonacci, Robert C. Uschold, Crystal C. Sorenson, Kevin J. Bailey, Kevin D. Duffy