Low profile antenna for in body device
First Claim
Patent Images
1. An ingestible event marker comprising:
- an identifier that emits a signal when activated at a target site,wherein the identifier comprises a signal generation element comprising a low profile antenna,wherein the low profile antenna is enclosed within an encapsulating material such that the encapsulating material holds the low profile antenna in a first configuration prior to and during signal transmission, andwherein the encapsulating material is dissolvable after ingestion and after signal transmission to release the low profile antenna to a second configuration.
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Abstract
Low profile antennas for ingestible devices, such as ingestible event markers, are provided. Aspects of the ingestible devices of the invention include low profile signal transmission antennas configured such that they are flexible or degrade after use, allowing the antenna and attached components to pass easily through the body. Embodiments of the low profile antennas are configured to emit a detectable signal upon contact with a target physiological site. Also provided are methods of making and using the devices of the invention.
763 Citations
29 Claims
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1. An ingestible event marker comprising:
an identifier that emits a signal when activated at a target site, wherein the identifier comprises a signal generation element comprising a low profile antenna, wherein the low profile antenna is enclosed within an encapsulating material such that the encapsulating material holds the low profile antenna in a first configuration prior to and during signal transmission, and wherein the encapsulating material is dissolvable after ingestion and after signal transmission to release the low profile antenna to a second configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A system comprising:
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an ingestible event marker comprising an identifier that emits a signal when activated at a target site, wherein the identifier comprises a signal generation element comprising a low profile antenna, wherein the low profile antenna is enclosed within an encapsulating material such that the encapsulating material holds the low profile antenna in a first configuration prior to and during signal transmission, and wherein the encapsulating material is dissolvable after ingestion and after signal transmission to release the low profile antenna to a second configuration; and a receiver for detecting a signal produced by the signal generation element. - View Dependent Claims (21, 22)
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23. A method comprising:
administering to a subject an ingestible event marker comprising an identifier that emits a signal when activated at a target site, wherein the identifier comprises a signal generation element comprising a low profile antenna, wherein the low profile antenna is enclosed within an encapsulating material such that the encapsulating material holds the low profile antenna in a first configuration prior to and during signal transmission, and wherein the encapsulating material is dissolvable after ingestion and after signal transmission to release the low profile antenna to a second configuration.
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24. A kit comprising:
at least one ingestible event marker comprising an identifier that emits a signal when activated at a target site, wherein the identifier comprises a signal generation element comprising a low profile antenna, wherein the low profile antenna is enclosed within an encapsulating material such that the encapsulating material holds the low profile antenna in a first configuration prior to and during signal transmission, and wherein the encapsulating material is dissolvable after ingestion and after signal transmission to release the low profile antenna to a second configuration. - View Dependent Claims (25, 26)
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27. An in-body device comprising:
a low profile antenna, wherein the low profile antenna is enclosed within an encapsulating material such that the encapsulating material holds the low profile antenna in a first configuration prior to and during signal transmission, and wherein the encapsulating material is dissolvable after ingestion and after signal transmission to release the low profile antenna to a second configuration. - View Dependent Claims (28, 29)
Specification