Patents by Inventor Wilson Eng

Wilson Eng 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).

  • Method and apparatus for anchoring laparoscopic instruments
    Publication number: 20070225643
    Abstract: A balloon anchor provides for the anchoring of a surgical instrument, such as conventional trocar sheath, within a puncture opening formed by a trocar. When used on a trocar sheath, the anchor is secured to the smooth outer surface of the sheath for extension through the puncture opening as the trocar within the sheath forms the opening. Adhesive or mechanical means are provided to secure the balloon the instrument. No modification to the structure of the instrument is required. Once in place within the opening, the balloon is inflated to the interior of the tissue to anchor the instrument in place. Certain embodiments also provide for inflation of the balloon within and/or to the exterior of the opening.
    Type: Application
    Filed: May 17, 2007
    Publication date: September 27, 2007
    Inventors: Phillip Hopper, Tim Kovac, Edmund Roschak, Wilson Eng
  • Method and apparatus for anchoring laparoscopic instruments
    Patent number: 7235064
    Abstract: A balloon anchor provides for the anchoring of a surgical instrument, such as conventional trocar sheath, within a puncture opening formed by a trocar. When used on a trocar sheath, the anchor is secured to the smooth outer surface of the sheath for extension through the puncture opening as the trocar within the sheath forms the opening. Adhesive or mechanical means are provided to secure the balloon the instrument. No modification to the structure of the instrument is required. Once in place within the opening, the balloon is inflated to the interior of the tissue to anchor the instrument in place. Certain embodiments also provide for inflation of the balloon within and/or to the exterior of the opening.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: June 26, 2007
    Assignee: Sherwood Services AG
    Inventors: Phillip K. Hopper, Tim J. Kovac, Edmund J. Roschak, Wilson Eng
  • Method and apparatus for anchoring laparoscopic instruments
    Publication number: 20030139758
    Abstract: A balloon anchor provides for the anchoring of a surgical instrument, such as conventional trocar sheath, within a puncture opening formed by a trocar. When used on a trocar sheath, the anchor is secured to the smooth outer surface of the sheath for extension through the puncture opening as the trocar within the sheath forms the opening. Adhesive or mechanical means are provided to secure the balloon the instrument. No modification to the structure of the instrument is required. Once in place within the opening, the balloon is inflated to the interior of the tissue to anchor the instrument in place. Certain embodiments also provide for inflation of the is balloon within and/or to the exterior of the opening.
    Type: Application
    Filed: February 25, 2003
    Publication date: July 24, 2003
    Inventors: Phillip K. Hopper, Tim J. Kovac, Edmund J. Roschak, Wilson Eng
  • Method and apparatus for anchoring laparoscopic instruments
    Patent number: 6524283
    Abstract: A balloon anchor provides for the anchoring of a surgical instrument, such as conventional trocar sheath, within a puncture opening formed by a trocar. When used on a trocar sheath, the anchor is secured to the smooth outer surface of the sheath for extension through the puncture opening as the trocar within the sheath forms the opening. Adhesive or mechanical means are provided to secure the balloon the instrument. No modification to the structure of the instrument is required. Once in place within the opening, the balloon is inflated to the interior of the tissue to anchor the instrument in place. Certain embodiments also provide for inflation of the balloon within and/or to the exterior of the opening.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: February 25, 2003
    Assignee: Sherwood Services AG
    Inventors: Philip K. Hopper, Tim J. Kovac, Edmund J. Roschak, Wilson Eng
  • Method and apparatus for anchoring laparoscopic instruments
    Patent number: 5697946
    Abstract: A balloon anchor provides for the anchoring of a surgical instrument, such as conventional trocar sheath, within a puncture opening formed by a trocar. When used on a trocar sheath, the anchor is secured to the smooth outer surface of the sheath for extension through the puncture opening as the trocar within the sheath forms the opening. Adhesive or mechanical means are provided to secure the balloon the instrument. No modification to the structure of the instrument is required. Once in place within the opening, the balloon is inflated to the interior of the tissue to anchor the instrument in place. Certain embodiments also provide for inflation of the balloon within and/or to the exterior of the opening.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: December 16, 1997
    Assignee: Origin MedSystems, Inc.
    Inventors: Phillip K. Hopper, Tim J. Kovac, Edmund J. Roschak, Wilson Eng