Patents by Inventor John Ewant Alfred Wickham

John Ewant Alfred Wickham 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).

  • Actuating and locking mechanism for a surgical tool
    Patent number: 7004957
    Abstract: An actuating mechanism for actuating a surgical tool of a surgical instrument including an actuating device having an actuator surface. The actuating device is operable by applying a force to substantially any part of the actuator surface for placing the actuating device in an actuated position from a rest position for actuating a surgical tool. The actuator surface comprises a radially collapsible cage having a plurality of interdigitating actuating pads. Each pad is movable in a radial direction.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: February 28, 2006
    Assignee: Syclix Limited
    Inventors: Ian Trevor Dampney, John Ewant Alfred Wickham
  • Tool and an effector
    Patent number: 6818007
    Abstract: An effector comprises a pair of opposing jaws directly mounted on a keeper so that the jaws are pivotable about the keeper. The jaws are connected to an actuating member within the keeper, so that translational movement of the actuating member causes the jaws between an open and closed position.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: November 16, 2004
    Assignee: Syclix Limited
    Inventors: Ian Trevor Dampney, John Ewant Alfred Wickham