Patents by Inventor Terry Matthew Duffin

Terry Matthew Duffin 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: 6117134
    Abstract: An instrument for suction and electrosurgery has an elongate body molded of a polymer. A main flow passage extends through the length of the body. A hollow metal aluminum tube extends from the body and attaches to electrosurgical power and is in fluid communication with the passage. The tube extends from the body to the patient passing energy thereto. An open distal end on the body receives the tube on a shelf thereacross to engage and hold the tube. The shelf has opposed tapered camming surfaces and an edge axially spaced proximally within the opened distal end. The edge engages with a spade connector on an insulated cable coupled to the power during insertion of the tube to fold back the spade connector as the tube is received.
    Type: Grant
    Filed: February 14, 1996
    Date of Patent: September 12, 2000
    Inventors: James Steven Cunningham, Terry Matthew Duffin, Dennis John Harvilla