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US 6,149,683 AGranted
Power system for an implantable heart pump
AssigneeKriton Medical, Inc.
InventorsDavid M. Lancisi, Raymond G. Gauthier, Richard K. Wampler
Life of this patent
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Abstract
A power system for an implantable heart pump is provided. The system includes two batteries, a microprocessor controller, two motor drivers, a multiplexer, two stators and a TET coil. During normal operation, only one battery and one motor driver are in use at a time to drive both stators.
Claims6
An implantable blood pump which comprises:
- a pump housing;
- a rotor mounted for rotation within said housing, said rotor having an impeller;
- first and second stators for aiding in rotation of said impeller;
- two stator drivers for driving said stators;
- a microprocessor;
- a multiplexer for coupling said drivers to said stators in a desired manner, said multiplexer being adapted for coupling either of said drivers to both stators;
- first and second batteries;
- said batteries, microprocessor and drivers being interconnected and programmed so that during normal operation only one of said batteries is in use at a time for powering both stators simultaneously.
5 more elements
Dependencies are inferred from the claim text.