3886950 is referenced by 76 patents and cites 6 patents.

A defibrillator is disclosed which regulates the magnitude of a current pulse delivered to a patient in accordance with a selected value of current and which quickly terminates the current pulse when the measured energy delivered to the patient equals a selected value. Current regulation is accomplished by circuitry which compares current actually flowing through the patient with the selected value and which utilizes the results of such comparison to sequentially discharge a plurality of capacitors serially coupled to the patient electrodes. Further circuity multiplies the current through the patient by the voltage measured across the patient to determine power with the resulting signal being integrated relative to time to indicate delivered energy. When the delivered energy equals the selected value of energy, the electrodes are shunted by circuitry which terminates the current pulse to the patient and which discharges all capacitors not already discharged.

Application Number
Publication Number
Application Date
October 1, 1973
Publication Date
June 3, 1975
Valiquette Donley J
Hancock Donald C
Ukkestad Donald C
Fraser and Boqueki
A61n 01/36
A61N 01/39
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