Patents by Inventor Trinh N. Nguyen

Trinh N. Nguyen 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).

  • Electrosurgical instrument
    Patent number: 6080152
    Abstract: An electrosurgical instrument includes an electrode assembly having an electrode mechanically interlocked with a non-conductive body to as to form a gap therebetween. In one embodiment, complimentary surface features of the respective electrode and the non-conductive body interlock the components of the electrode assembly. In another embodiment, the electrode assembly includes a generally spherical electrode that is rotatable with respect to a non-conductive hood. A gap is formed between an outer surface of the electrode and an inner surface of the hood.
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: June 27, 2000
    Assignees: Medical Scientific, Inc., Conceptus, Inc.
    Inventors: Paul C. Nardella, Thomas A. Wrublewski, Piush Vidyarthi, Trinh N. Nguyen, Dai T. Ton, Steven Bacich
  • Selectively coated electrosurgical instrument
    Patent number: 6071283
    Abstract: An electrosurgical instrument having an active electrode with a portion that is coated with an insulative material. An exposed portion of the electrode is effective to treat tissue while the insulative coating minimizes energy dissipation into surrounding isotonic solution.
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: June 6, 2000
    Assignees: Medical Scientific, Inc., Conceptus, Inc.
    Inventors: Paul C. Nardella, Thomas A. Wrublewski, Piush Vidyarthi, Trinh N. Nguyen, Dai T. Ton, Steven R. Bacich