Patents by Inventor Gerald T. McCourtney

Gerald T. McCourtney 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).

  • Patent number: 5551448
    Abstract: An endoscopic surgical instrument for aspiration and irrigation of a surgical site. The device inclues at least one rotatable trumpet valve to provide for variable oreintation of the device during use. Connection ports for connection to irrigation fluid and a suction source are provided which communicate with a single lumen cannula which transports both the irrigation fluid and the suction pressure to the surgical site. The single lumen cannula is provided with a sleeve to vary the pressure of the irrigation fluid to provide for high pressure application of the irrigation fluid to perform hydrodissection. A plurality of dissector tips and a novel mechanism for securing the tips to the single lumen cannula are also dislcosed. Also disclosed is a novel dispensing device for the tips and a kit which includes the tip dispenser and an endoscopic surgical instrument.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: September 3, 1996
    Assignee: United States Surgical Corporation
    Inventors: Paul A. Matula, William J. McCabe, Gerald T. McCourtney, Dennis Gemmell, Jerry Hamlin, Graeme Winslow