Patents Assigned to Sharpe Endosurgical Corporation
  • Patent number: 5499997
    Abstract: The present invention is directed to an endoscopic grasping tool for use inside a patient. As the teeth of the tenaculum come together they are positioned by a complimentary pair of contact pads. In this retracted position the distal end of the instrument does not present any sharp edges.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: March 19, 1996
    Assignee: Sharpe Endosurgical Corporation
    Inventors: Leslie A. Sharpe, Francis C. Peterson
  • Patent number: 5433722
    Abstract: A surgical instrument having a surgeon operable control handle for advancing a needle to pierce tissue and to carry a ligature through the pierced tissue.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: July 18, 1995
    Assignee: Sharpe Endosurgical Corporation
    Inventors: Leslie A. Sharpe, Francis C. Peterson
  • Patent number: 5391175
    Abstract: A surgical instrument for positioning and tying knots during endoscopic surgery is provided with an elongate shaft having a ligature restraining aperture for accepting a strand of the ligature.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: February 21, 1995
    Assignee: Sharpe Endosurgical Corporation
    Inventors: Leslie A. Sharpe, Francis C. Peterson
  • Patent number: 5310406
    Abstract: An aspiration device for laparoscopic surgery has a tube with a proximal end. A tool access port concentric with the tube permits insertion of a grasping tool for holding a sponge at the distal end of the tube.
    Type: Grant
    Filed: May 8, 1992
    Date of Patent: May 10, 1994
    Assignee: Sharpe Endosurgical Corporation
    Inventors: Leslie A. Sharpe, Francis C. Peterson
  • Patent number: 5300082
    Abstract: A surgical instrument having a surgeon operable control handle for grasping surgical needles or other objects. The instrument has a moveable jaw opposed to a fixed jaw. The control handle engages a clamping spring which closes the jaws and exerts a grasping force which is proportional to the size of the object located between the jaws.
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: April 5, 1994
    Assignee: Sharpe Endosurgical Corporation
    Inventors: Leslie A. Sharpe, Francis C. Peterson
  • Patent number: 5222973
    Abstract: The present invention is directed to an endoscopic grasping tool for use inside a patient. As the distal tips of the jaws come together they form a pivot point for continued jaw closure increasing the grasping force of the jaws.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: June 29, 1993
    Assignee: Sharpe Endosurgical Corporation
    Inventors: Leslie A. Sharpe, Francis C. Peterson