Patents by Inventor Keith D. Wrenn

Keith D. Wrenn 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).

  • Laryngoscope blade with fiberoptic scope for remote viewing and method for teaching the proper insertion of a laryngoscope blade into the airway of a patient
    Patent number: 6123666
    Abstract: A laryngoscope equipped with a fiberoptic scope for enabling simultaneous remote observation of the airway and associated structures during insertion of the laryngoscope blade. The laryngoscope includes a blade member configured for attachment to a handle, a conduit positioned adjacent the blade member for housing a fiberoptic scope. The fiberoptic scope includes fibers for illuminating an area adjacent a distal end of the blade and viewing fibers for transmitting a visual image of the illuminated area to a remote viewing system. A clear cap is provided for the end of the conduit to protect the fiberoptic scope from patient secretions.
    Type: Grant
    Filed: April 29, 1998
    Date of Patent: September 26, 2000
    Assignee: Vanderbilt University
    Inventors: Keith D. Wrenn, Steven J. White