Patents by Inventor Brent Noblitt

Brent Noblitt 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).

  • Pre-slit injection site and tapered cannula
    Patent number: 5135489
    Abstract: A pre-slit injection site (34) includes a housing (40) with a flow path therethrough. A first end (42) of the housing (40) carries a pre-slit septum (52). One form of a blunt cannula (98), usable with the injection site (34), carries a locking member (100). When the pre-slit injection site (34) slidably receives the blunt cannula (98), the locking member (100) latches to the injection site (34) and creates a mechanically coupled unit. Another form of the cannula (280) includes a tube having a tapered distal end region (298) and having elongate discharge slots (294) for reducing contact surface area and for directing the flow laterally out of the cannula. The cannula may also include a rounded lead post (330), an annular barb (394), and axially oriented grooves (268). A blood sampling system utilizing an in-line pre-slit injetion site (492) and a shielded blunt cannula (512).
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: August 4, 1992
    Assignee: Baxter International Inc.
    Inventors: Steven C. Jepson, Thomas E. Dudar, David J. Shepherd, Michael Minailo, Brent Noblitt, Mark G. Gordon