Circumferential antenna for an implantable medical device
First Claim
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1. A device, comprising:
- an implantable conductive housing for containing electronic circuitry;
a dielectric compartment extending circumferentially around a curved portion of the housing;
a wire antenna embedded within the dielectric compartment; and
, circuitry within the housing connected to the antenna for transmitting and receiving a modulated radio-frequency carrier.
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Abstract
An apparatus and method for enabling far-field radio-frequency communications with an implantable medical device in which an antenna is embedded within a dielectric around the periphery of the device. Such a circumferential antenna saves space while still permitting far-field telemetry over a desired range of frequencies.
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Citations
30 Claims
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1. A device, comprising:
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an implantable conductive housing for containing electronic circuitry;
a dielectric compartment extending circumferentially around a curved portion of the housing;
a wire antenna embedded within the dielectric compartment; and
,circuitry within the housing connected to the antenna for transmitting and receiving a modulated radio-frequency carrier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device, comprising:
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an implantable conductive housing for containing electronic circuitry;
a dielectric compartment extending along a surface of the housing, wherein the dielectric compartment is constructed of a material having a dielectric constant less than 4.0;
a wire antenna embedded within the dielectric compartment; and
,circuitry within the housing connected to the antenna for transmitting and receiving a modulated radio-frequency carrier. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A method for constructing an antenna in an implantable device, comprising:
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wrapping a dielectric compartment circumferentially around a curved portion of a conductive housing for containing electronic circuitry;
embedding a wire antenna within the dielectric compartment; and
,connecting circuitry within the housing for transmitting and receiving a modulated radio-frequency carrier to the antenna. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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Specification