Patents by Inventor Sanford S. Kunkel

Sanford S. Kunkel 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).

  • Portal device
    Patent number: 8128601
    Abstract: A portal device maintains an opening in the skin of a patient to allow for the passage of surgical device therethrough. Tabs disposed at one end of the portal device may be used to resist removal of the device, retract soft tissue from the operative site, and seal the opening to prevent the escape of gases or liquids.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: March 6, 2012
    Inventors: Sanford S. Kunkel, Eric F. Dahlinger
  • Portal device
    Patent number: 8100864
    Abstract: A method of maintaining an opening formed in a patient is provided. The method includes inserting a first elongated structure and a second elongated structure through the opening in the a patient, the second elongated structure being moveable within the first elongated structure. The first elongated structure is moved relative to the second elongated structure thereby causing an outside dimension of the second structure to increase in size.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: January 24, 2012
    Inventors: Sanford S. Kunkel, Eric F. Dahlinger
  • Portal Device
    Publication number: 20080140013
    Abstract: A portal device maintains an opening in the skin of a patient to allow for the passage of surgical device therethrough. Tabs disposed at one end of the portal device may be used to resist removal of the device, retract soft tissue from the operative site, and seal the opening to prevent the escape of gases or liquids.
    Type: Application
    Filed: January 11, 2008
    Publication date: June 12, 2008
    Inventors: Sanford S. Kunkel, Eric F. Dahlinger
  • Portal device
    Patent number: 7377897
    Abstract: A portal device maintains an opening in the skin of a patient to allow for the passage of surgical device therethrough. Tabs disposed at one end of the portal device may be used to resist removal of the device, retract soft tissue from the operative site, and seal the opening to prevent the escape of gases or liquids.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: May 27, 2008
    Inventors: Sanford S. Kunkel, Eric F. Dahlinger