Patents by Inventor Helen Liu

Helen Liu 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).

  • In tunnel electrode for sealing intracardiac defects
    Publication number: 20070055229
    Abstract: The present invention provides methods and devices for sealing intracardiac defects, such as a patent foramen ovale (PFO) utilizing an electrode positioned in the lumen of the defect such as the tunnel of a PFO.
    Type: Application
    Filed: September 6, 2006
    Publication date: March 8, 2007
    Inventors: Stephanie Kladakis, James Scutti, Carol Devellian, Helen Liu