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Long-term testing of defibrillator batteries.
1Wilson Greatbatch Limited, Clarence, New York 14031.
Pacing and Clinical Electrophysiology : PACE
|February 1, 1991
Summary
Lithium/silver vanadium oxide batteries for defibrillators show no failures in life testing simulating clinical conditions. These critical medical device batteries are performing normally under prolonged stress.
Area of Science:
- Electrochemistry
- Biomedical Engineering
- Materials Science
Background:
- Defibrillator batteries are critical for medical device reliability.
- Lithium/silver vanadium oxide chemistry is commonly used in implantable devices.
- Understanding battery longevity under simulated clinical conditions is essential.
Purpose of the Study:
- To evaluate the long-term performance and reliability of lithium/silver vanadium oxide batteries.
- To assess battery behavior under simulated physiological conditions.
- To establish the safety and efficacy of these batteries for defibrillator applications.
Main Methods:
- Life testing of 788 lithium/silver vanadium oxide cells.
- Testing conducted at 37 degrees C.
- Simulated clinical conditions used for testing.
Main Results:
- No battery failures observed to date.
- All tested cells are performing within expected parameters.
- Consistent normal performance across all cells under evaluation.
Conclusions:
- Lithium/silver vanadium oxide defibrillator batteries demonstrate excellent reliability.
- The batteries are suitable for long-term use in clinical settings.
- Further monitoring will confirm extended operational lifespan.