High-voltage module for an external defibrillator
First Claim
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1. An external defibrillator for delivering an electrical pulse at a high voltage suitable for defibrillation comprising:
- a pair of patient electrodes for delivering energy to a patient;
an energy storage device for storing high voltage electrical energy; and
a modularly packaged high voltage circuit coupled between the energy storage device and the patient electrodes, the high voltage circuit including a circuit board and a plurality of high voltage components which are mounted on the circuit board, and wherein the high voltage circuit is encased in a non-air dielectric material.
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Abstract
A defibrillator includes a module having a portion of the high-voltage components of the defibrillator attached to a substrate and encased in a dielectric material. In one embodiment the defibrillating shock is delivered by a high voltage H-bridge circuit which utilizes four controllably switched semiconductor devices such as IGBTs.
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Citations
19 Claims
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1. An external defibrillator for delivering an electrical pulse at a high voltage suitable for defibrillation comprising:
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a pair of patient electrodes for delivering energy to a patient; an energy storage device for storing high voltage electrical energy; and a modularly packaged high voltage circuit coupled between the energy storage device and the patient electrodes, the high voltage circuit including a circuit board and a plurality of high voltage components which are mounted on the circuit board, and wherein the high voltage circuit is encased in a non-air dielectric material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An external defibrillator, comprising:
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a pair of electrodes for delivering defibrillating energy to a patient; a capacitor for storing electrical energy; a circuit board having a processor which processes an ECG waveform; and a high voltage module including a plurality of high voltage components for at least one of charging the capacitor and delivering high voltage energy suitable for defibrillation to the electrodes, the high voltage components being potted in a non-air dielectric material, wherein the high voltage module is mounted on the circuit board. - View Dependent Claims (15, 16, 17)
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18. A modularly packaged high voltage module for delivering high voltage external defibrillation pulses comprising:
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a circuit board; a plurality of high voltage components mounted on the circuit board; and a non-air dielectric material encasing the circuit board and the plurality of high voltage components, wherein the volume of the high voltage module is between 2½
cubic inches and 6 cubic inches.
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19. A modularly packaged high voltage module for delivering high voltage external defibrillation pulses comprising:
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a circuit board; a plurality of high voltage components mounted on the circuit board; and a non-air dielectric material encasing the circuit board and the plurality of high voltage components, wherein the surface area of one side of the circuit board is less than 5 square inches.
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Specification