METHODS AND APPARATUS FOR POWER CONVERSION AND DATA TRANSMISSION IN IMPLANTABLE SENSORS, STIMULATORS, AND ACTUATORS
First Claim
1. A wireless power system, comprising:
- an external power transmitting module configured to manipulate evanescent fields to control propagating fields inside tissue generating a spatially focusing and adaptive steering field inside tissue; and
an implantable module configured to receive wireless power from the external power transmitting module via the spatially focusing and adaptive steering field, the implantable module including;
a coupler configured to induce an alternating current or voltage in the presence of electromagnetic fields or oscillating sound pressure waves;
a first AC-DC conversion chain configured to rectify the induced alternating current or voltage into a first DC current or voltage in a first energy domain;
a first DC load coupled to the first AC-DC conversion chain;
a second AC-DC conversion chain arranged in parallel with the first AC-DC conversion chain and configured to rectify the induced alternating current or voltage into a second DC current or voltage in a second energy domain; and
a second DC load coupled to the second AC-DC conversion chain.
1 Assignment
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Accused Products
Abstract
Implantable devices and/or sensors can be wirelessly powered by controlling and propagating electromagnetic waves in a patient'"'"'s tissue. Such implantable devices/sensors can be implanted at target locations in a patient, to stimulate areas such as the heart, brain, spinal cord, or muscle tissue, and/or to sense biological, physiological, chemical attributes of the blood, tissue, and other patient parameters. In some embodiments, the implantable devices can include power management schemes that have one or more AC-DC conversion chains arranged and configured to rectify the induced alternating current or voltage into one or more energy domains. Methods of use are also described.
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Citations
17 Claims
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1. A wireless power system, comprising:
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an external power transmitting module configured to manipulate evanescent fields to control propagating fields inside tissue generating a spatially focusing and adaptive steering field inside tissue; and an implantable module configured to receive wireless power from the external power transmitting module via the spatially focusing and adaptive steering field, the implantable module including; a coupler configured to induce an alternating current or voltage in the presence of electromagnetic fields or oscillating sound pressure waves; a first AC-DC conversion chain configured to rectify the induced alternating current or voltage into a first DC current or voltage in a first energy domain; a first DC load coupled to the first AC-DC conversion chain; a second AC-DC conversion chain arranged in parallel with the first AC-DC conversion chain and configured to rectify the induced alternating current or voltage into a second DC current or voltage in a second energy domain; and a second DC load coupled to the second AC-DC conversion chain. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification