Defibrillation electrode device

Claim 1

AN ELECTRODE ASSEMBLY FOR A CARDIAC RESUSCITATION DEVICE ADAPTED TO BE ENERGIZED FROM A SOURCE OF ELECTRIC POWER TO PRODUCE AN ELECTRICAL SHOCK THROUGH THE HUMAN BODY TO CAUSE DEFIBRILLATION OF THE HEART MUSCLES, SAID ASSEMBLY COMPRISING A CIRCULAR METAL DISC FORMING AN ELECTRODE PLATE, AND UPPER LAYER OF NON-CONDUCTIVE PLASTIC MATERIAL FORMING AN INSULATION DISC AND OVERLYING AND FIXED TO SAID ELECTRODE PLATEAN ELONGATED HANDLE OF NONCONDUCTIVE PLASTIC MATERIAL HAVING AN OUTER PORTION FORMED TO BE GRIPPED BY THE FOUR FINGERS AND PALM OF ONE HAND, SAID HANDLE HAVING AN INTERIOR CAVITY, SAID UPPER LAYER BEING REMOVABLY CONNECTED TO ONE END OF THE HANDLE IN FIXED AXIAL RELATION TO THE OUTER PORTION OF THE HANDLE, A SWITCH RIGIDLY MOUNTED WITHIN THE CAVITY OF SAID HANDLE AND HAVING A CONTROL BUTTON EXTENDING OUTWARDLY FROM THE SIDE OF THE SWITCH, ELECTRICAL CONDUIT MENS ADAPTED TO EXTEND FROM THE SOURCE OF POWER, AND EXTENDING THROUGH SAID HANDLE AND CONNECTED TO SAID ELECTRODE PLATE AND TO SAID SWITCH MEANS, A SPRING-LOADED THUMB-ACTUATED MEMBER ON THE OTHER END OT THE HANDLE AND MOVABLE BETWEEN ADVANCED AND RETRACTED POSITIONS AXIALLY WITH RESPECT TO THE OUTER GRIPPABLE PORTION OF THE HANDLE, SAID MEMBER INCLUDING AN EXPOSED END SURFACE ADAPTED TO BE OPERABLE BY THE THUMB OF A HAND GRIPPING THE ELECTRODE ASSEMBLY WHEN THE HANDLE IS GRIPPED AND POSITIONED FOR USE, AN ARM IN THE HANDLE OPERATIVELY COUPLED TO THE THUMB-ACTUATED MEMBER AND MOVABLE THEREWITH AXIALLY OF THE HANDLE, SAID ARM EXTENDING AXIALLY OF THE HANDLE AND INCLUDING A CONTACTING FACE PORTION SPACED FROM THE CONTROL BUTTON WHEN SAID THUMB-ACTUATED MEMBER IS IN ONE OF SAID POSITIONS AND CONTACTING AND MOVING THE CONTROL BUTTON WHEN TO THE OTHER OF SAID POSITIONS.