Patents by Inventor Leonard Stern

Leonard Stern 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).

  • Patent number: 5680981
    Abstract: A self-contained powered surgical stapling apparatus is provided which includes an elongate body, a fastener applying assembly including an anvil for forming a surgical fastener driven thereagainst, a motor assembly and power source for energizing the motor assembly disposed within the elongate body, and a pusher driven by the motor assembly for driving a surgical fastener toward the anvil to be formed thereby and fastened to body tissue. The apparatus is configured for utilization during conventional invasive surgical procedures as well as endoscopic or laparoscopic surgical procedures by providing a detachable extension shaft.
    Type: Grant
    Filed: May 6, 1996
    Date of Patent: October 28, 1997
    Assignee: United States Surgical Corporation
    Inventors: Carlo A. Mililli, Wayne P. Young, Stephan A. DeFonzo, Dominick L. Mastri, Henry Bolanos, Leonard Stern
  • Patent number: 5474566
    Abstract: A self-contained powered surgical clip applier is provided which includes an elongate body defining a longitudinal axis and housing a plurality of surgical clips. The powered clip applier further includes a jaw assembly operatively associated with a distal end of the elongate body and actuable to move between an open position and a closed position, a motor assembly disposed within the elongate body, a power supply positioned within the elongate body for energizing the motor assembly, a clip pusher configured to individually advance surgical clips into the jaw assembly, and an actuation channel driven by the motor assembly and configured to translate through the elongate body to drive the clip pusher and actuate the jaw assembly.
    Type: Grant
    Filed: May 5, 1994
    Date of Patent: December 12, 1995
    Assignee: United States Surgical Corporation
    Inventors: Thomas W. Alesi, Wayne P. Young, Henry Bolanos, Carlo A. Mililli, Dominick L. Mastri, Leonard Stern
  • Patent number: 5423471
    Abstract: Apparatus is disclosed for applying two-part surgical fasteners during endoscopic or laparoscopic procedures. The apparatus includes a handle assembly, an endoscopic portion which extends from the handle assembly, and a tool assembly pivotally associated with a distal end of the endoscopic portion for applying a two-part surgical fastener. A mechanism is provided for effectuating articulated pivotal movement of the fastener applying tool assembly within an angular sector of rotation to increase the operational range of the instrument.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: June 13, 1995
    Assignee: United States Surgical Corporation
    Inventors: Dominick L. Mastri, Michael S. Kolesa, Leonard Stern