Patents Assigned to Dracard Limited
  • Electrodes
    Patent number: 3942517
    Abstract: A pre-gelled electrode for use on a patient's skin comprises a non-conductive gel-container, a conductive gel within the gel-container, a metal contact having a conductive connection with the gel, a cap which engages with the gel container to hermetically close the gel-container and means for controlling the flow of gel onto the skin after removal of the cap and has an improved shelf-life. The metal contact includes a gelatinous substance to prevent corrosion.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: March 9, 1976
    Assignee: Dracard Limited
    Inventors: Leslie Reginald Bowles, Roy Albert Heath-Coleman