Impedance timed defibrillation system

Details Impedance timed defibrillation system Impedance timed defibrillation system

1993-04-09

1995-07-11

Howell, Kyle L.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 139

Patent

active

054316871

ABSTRACT:
An implantable cardiac defibrillator system, comprising:
a) a charge storage element,
b) a switching element connected to the charge storage element,
c) a processor capable of detecting a defibrillation event in a patient,
d) patient connection electrodes connected to the switching element and to the processor,
e) a cardiac impedance monitoring section connected to the patient connection electrodes, and
f) a charge storage element discharge section communicatively connected to the switching element.

REFERENCES:
patent: 3815611 (1974-01-01), Denniston, III
patent: 4328808 (1982-05-01), Charbonnier et al.
patent: 4574810 (1986-03-01), Lerman
patent: 4840177 (1989-06-01), Charbonnier et al.
patent: 4870341 (1989-09-01), Pihl et al.
patent: 5111813 (1992-05-01), Charbonnier et al.
patent: 5224475 (1993-07-01), Berg et al.
"Can Changes in Transcardiac Impedance Appropriately Detect Ventricular Fibrillation?" PACE, vol. 14, Feb. 1991, Part II.

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