Defibrillation discharge circuit test

Details Defibrillation discharge circuit test Defibrillation discharge circuit test

1992-02-21

1993-10-05

Cohen, Lee S.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 100

Patent

active

052495736

ABSTRACT:
Method and apparatus for discharging a defibrillation discharge circuit 30 across a short circuit load 166 for monitoring defibrillation pulses 180 generated by the circuit to test that the pulses are acceptable. The discharge circuit 30 comprises an electrical capacitor 34 for storing defibrillation pulse energy and an electrical inductor 38 in series with the capacitor for shaping the discharge pulses. In the invention, parameters representative of the shape of the defibrillation pulse are detected as the pulse is discharged and are compared to predetermined values characteristic of the shape of an acceptable pulse. Based on the outcome of this comparison, an output is provided indicating whether the pulse is acceptable.

REFERENCES:
patent: 4628935 (1986-12-01), Jones et al.
patent: 5033467 (1991-06-01), Bocchi et al.
Sum and Dewhurst, "Digtal cardiac defibrillator tester," Nov. 1979, 710-714, Medical and Biological Engineer and Computers, vol. 17, No. 6.

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