Defibrillator

Details Defibrillator Defibrillator

1991-11-05

1992-12-08

Kamm, William E.

Surgery

Truss

Pad

A61N 139

Patent

active

051688700

ABSTRACT:
A defibrillator has a storage capacitor and a coil which are adapted for connection to biological tissue to form an RLC circuit through which a signal is discharged to the biological tissue. A measuring stage is coupled to the RLC circuit via a transformer for measuring selected characteristics of the signal. The coil is formed by a primary winding of the transformer, the primary winding thus providing the inductance for the RLC circuit. By incorporating the function of the coil into the transformer, the space necessary for a separate component is avoided and the overall structure can be made smaller.

REFERENCES:
patent: 4077413 (1978-03-01), Partridge
patent: 4168711 (1979-09-01), Cannon, III et al.
patent: 4771781 (1988-09-01), Lerman
"A Reliable Microprocessor-Based Defibrillator Analyzer" Sharma et al. IEEE Trans. on Instr. and Meas. vol. IM-31, No. 1, Mar., 1982, pp. 28-31.
"Thoracic Impedance of Human Subjects," Machin, Med. and Biol. Eng. and Comp. vol. 16, No. 2, Mar. 1978, pp. 169-178.

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