Patents by Inventor Leslie A. Sharpe

Leslie A. Sharpe 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: 5549623
    Abstract: A surgical cutting instrument having a surgeon operable control handle for advancing a blade over a fenestrated hook so that tissue within said fenestrated window area is dissected.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: August 27, 1996
    Assignee: Dexide, Inc.
    Inventors: Leslie A. Sharpe, Francis C. Peterson
  • 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