Patents by Inventor Angelo F. Szychowski

Angelo F. Szychowski 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).

  • Device and method for treatment of hemorrhoids
    Patent number: 9149271
    Abstract: A device and method for treatment of hemorrhoids, in which the devices includes: a housing insertable into the rectum; a tissue port configured to receive a tissue segment containing at least a portion of a hemorrhoidal blood vessel; opposing needle chambers including at least one pair of corresponding needles coupled by a suture in which the pair of corresponding needles are substantially opposite to one another and in an active position substantially aligned with the tissue segment; a needle driver that advances the pair of corresponding needles through the tissue segment to encircle a portion of the hemorrhoidal blood vessel with the suture, thereby ligating the hemorrhoidal blood vessel; and an actuator coupled to at least one of the needle chambers that actuates the needle chambers such that another pair of corresponding needles is in the active position.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: October 6, 2015
    Assignee: THE BOARD OF TRUSTEES OF THE LELAND STANFORD, JR. UNIVERSITY
    Inventors: Jacob S. Brenner, Gregory A. Magee, Angelo F. Szychowski, Gaurav Krishnamurthy, Steven K. Jacobs
  • DEVICE AND METHOD FOR TREATMENT OF HEMORRHOIDS
    Publication number: 20120130403
    Abstract: A device and method for treatment of hemorrhoids, in which the devices includes: a housing insertable into the rectum; a tissue port configured to receive a tissue segment containing at least a portion of a hemorrhoidal blood vessel; opposing needle chambers including at least one pair of corresponding needles coupled by a suture in which the pair of corresponding needles are substantially opposite to one another and in an active position substantially aligned with the tissue segment; a needle driver that advances the pair of corresponding needles through the tissue segment to encircle a portion of the hemorrhoidal blood vessel with the suture, thereby ligating the hemorrhoidal blood vessel; and an actuator coupled to at least one of the needle chambers that actuates the needle chambers such that another pair of corresponding needles is in the active position.
    Type: Application
    Filed: November 22, 2010
    Publication date: May 24, 2012
    Inventors: Jacob S. Brenner, Gregory A. Magee, Angelo F. Szychowski, Gaurav Krishnamurthy, Steven K. Jacobs