| CPC A61N 1/39046 (2017.08) | 18 Claims |

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1. A defibrillation assembly energizable through case opening, comprising:
a mechanical switch;
an energy storage element that supplies power to the mechanical switch;
circuitry configured to generate a defibrillation waveform, wherein the circuitry is isolated from the energy storage element by the mechanical switch;
a case within which at least a portion of the circuitry is located, wherein an opening of the case causes the power to flow to the circuitry through the mechanical switch, wherein the mechanical switch is mechanically connected to a portion of the case removable during the opening, and wherein a removal of the removable portion transitions the mechanical switch into a closed position.
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