Single-use external defibrillator
OwnerAllister R. McIntyre, John McCune Anderson +1inventors
InventorsAllister R. McIntyre, John McCune Anderson, Johnny Houston Anderson
Life of this patent
Estimating the term…
Abstract
A single-use battery-powered external defibrillator comprises a sealed defibrillator housing 10 containing a battery-powered defibrillator circuit and a pair of defibrillator electrodes 14 permanently attached by leads 22 to the circuit within the housing.
Claims8
A single-use battery-powered external defibrillator comprising a sealed defibrillator housing containing a battery-powered defibrillator circuit and a pair of defibrillator electrodes permanently attached by leads to the circuit within the housing.
A single-use battery-powered external defibrillator comprising a sealed defibrillator housing containing a battery-powered defibrillator circuit and a pair of defibrillator electrodes permanently attached by leads to the circuit within the housing;
- wherein the peak voltage delivered to the patient, and/or the duration of the two phases of a biphasic waveform delivered to the patient, is increased as a function of the age of the electrodes;
- means for applying to a patient a biphasic energy pulse in which each discharge pulse has a tilt of less than 25% and a duration of 3-10 ms, and the peak voltage is less than 1300 volts;
- and means for intermittently testing the battery by initiating a short capacitor charging cycle and measuring the magnitude of the resulting dip in battery voltage.
Dependencies are inferred from the claim text.