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US 8,131,378 B2Granted
Inductive repeater coil for an implantable device
AssigneeSecond Sight Medical Products, Inc.
InventorsRobert J. Greenberg, Joseph H. Schulman
Life of this patent
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Abstract
The present invention is a power and data transmission system for an implantable device. In particular, it is an inductive system with a passive repeater coil pair to improve efficiency of the device.
Claims5
An implantable system comprising:
- an external coil, suitable to be outside a living body;
- a repeating coil pair, suitable to be implanted within the living body, wherein a first coil is within an inductive field of said external coil, and is electrically coupled to an amplifier which is electrically coupled to a second coil within an inductive field of a device coil;
- and
- an implantable device, including said device coil;
- wherein energy is transmitted from said external coil to said first coil, then to said second coil, then to said device coil to power said implantable device.
2 more elements
Dependencies are inferred from the claim text.