Power internal medical devices with guided surface waves
First Claim
1. An apparatus, comprising:
- a guided surface wave receive structure configured to receive a guided surface wave traveling along a terrestrial medium, the guided surface wave being generated by an electromagnetic field excited by a guided surface waveguide probe, the electromagnetic field synthesizing a wave front incident at a complex Brewster angle of incidence of the terrestrial medium;
a power circuit electrically coupled to the guided surface wave receive structure, the power circuit generating a power signal from an alternating current signal generated by the guided surface wave receive structure; and
a medical circuit configured to receive electrical energy from the power signal generated by the power circuit, the medical circuit comprising a monitoring circuit configured to receive measure a characteristic of a human body.
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Accused Products
Abstract
Disclosed is an implantable medical device and methods of using the medical device. The medical device may include a guided surface wave receive structure configured to receive a guided surface wave transmitted by a guided surface waveguide probe. The guided surface wave receive structure in the medical device generates an alternating current signal when the guided surface wave is received. The medical device includes a power circuit that is coupled to the guided surface wave receive structure. The power circuit includes a power storage circuit to store the power signal. The medical device includes a medical circuit that comprises a stimulus circuit, a monitoring circuit, and potentially other components. The stimulus circuit provides a stimulus to a human body. The monitoring circuit measures a characteristic of the human body.
106 Citations
24 Claims
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1. An apparatus, comprising:
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a guided surface wave receive structure configured to receive a guided surface wave traveling along a terrestrial medium, the guided surface wave being generated by an electromagnetic field excited by a guided surface waveguide probe, the electromagnetic field synthesizing a wave front incident at a complex Brewster angle of incidence of the terrestrial medium; a power circuit electrically coupled to the guided surface wave receive structure, the power circuit generating a power signal from an alternating current signal generated by the guided surface wave receive structure; and a medical circuit configured to receive electrical energy from the power signal generated by the power circuit, the medical circuit comprising a monitoring circuit configured to receive measure a characteristic of a human body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system comprising:
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a guided surface waveguide probe configured to generate an electromagnetic field when excited by an excitation source, wherein the electromagnetic field synthesizes a wave front incident at a complex Brewster angle of incidence of a terrestrial medium to generate a guided surface wave that travels across the terrestrial medium; and a medical device comprising a guided surface wave receive structure, the guided surface wave receive structure being configured to generate an alternating current (AC) signal from the guided surface wave for the medical device, the medical device being experienced as a load at the excitation source coupled to the guided surface waveguide probe. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A method comprising:
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generating an alternating current (AC) signal, via at least one guided wave receive structure, from at least one guided surface wave generated by an electromagnetic field excited by a guided surface waveguide probe, the electromagnetic field synthesizing a wave front incident at a complex Brewster angle of incidence of a terrestrial medium; supplying, via power circuitry, electrical energy generated embodied in the AC signal to medical circuitry comprising a monitoring circuit and a stimulus circuit; determining, via the monitoring circuit, at least one measurement from a human body; and providing, via the stimulus circuit, a stimulus to the human body. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification