Patent ID: 11931584
Assignee: ADVANCED NEUROMODULATION SYSTEMS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 7:
8. A stimulation therapy method using an implantable medical device (IMD), the IMD including a battery and a lead system comprising one or more leads configured to be positioned proximate to a patient's tissue, wherein each lead includes a plurality of electrodes, the method comprising:
providing a plurality of stimulation engines (SE), each SE respectively powered by a corresponding floating power supply, wherein each SE respectively includes: a voltage multiplier that is configured to receive an adjustable target voltage based on a voltage supplied by the battery and that is operative to drive an anodic node; and a current regulator coupled to a cathodic node;
selectively coupling a select portion of the electrodes of the lead system to a corresponding number of SEs at respective anodic and cathodic nodes according to a stimulation set; and
applying stimulation therapy to the patient's tissue according to the stimulation set.