Defibrillator with replaceable and rechargeable power packs
AssigneeMedtronic Physio-Control Corp.
InventorsPaul S. Tamura, Stephen B. Johnson, Richard C. Nova, Joseph L. Sullivan
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Abstract
The power source in a portable defibrillator includes a replaceable first power pack and a rechargeable second power pack. The first power pack charges the second power pack. The second power pack supplies most of the energy needed to administer a defibrillation shock. The first power pack may include one or more lithium thionyl chloride batteries. The second power pack may include one or more lithium ion batteries and/or ultracapacitors.
Claims17
A defibrillator comprising a replaceable first battery coupled to a rechargeable second battery, wherein the rechargeable second battery is mounted permanently inside the defibrillator.
A defibrillator comprising a replaceable first battery coupled to a rechargeable second battery, further comprising an energy storage device that receives energy from the rechargeable second battery.
Dependencies are inferred from the claim text.