In-body device having deployable antenna
First Claim
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1. An in-body system for providing a signal in a conducting liquid, the system comprising:
- a structure for defining a space that is sealed from the conducting liquid;
a control unit including at least two outputs, wherein the control unit is positioned within the defined sealed space of the structure, wherein the control unit produces the signal, the signal comprising an electrical identifiable pattern upon activation, and wherein the control unit is activated upon contact with the conducting liquid; and
at least two dissolvable transmission elements, each of the at least two dissolvable transmission elements secured to the structure at different locations and each being electrically coupled to a corresponding output of the control unit; and
wherein the control unit delivers the electrical identifiable pattern to the at least two dissolvable transmission elements, and wherein at least one of the dissolvable transmission elements is configured to detach from the structure when the at least one dissolvable transmission element is deployed.
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Abstract
Deployable antennas for in-body devices, such as implantable and ingestible devices, are provided. Aspects of the in-body deployable antennas of the invention include antennas configured to go from a first configuration to a second configuration following placement in a living body, e.g., via ingestion or implantation. Embodiments of the in-body devices 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.
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Citations
10 Claims
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1. An in-body system for providing a signal in a conducting liquid, the system comprising:
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a structure for defining a space that is sealed from the conducting liquid; a control unit including at least two outputs, wherein the control unit is positioned within the defined sealed space of the structure, wherein the control unit produces the signal, the signal comprising an electrical identifiable pattern upon activation, and wherein the control unit is activated upon contact with the conducting liquid; and at least two dissolvable transmission elements, each of the at least two dissolvable transmission elements secured to the structure at different locations and each being electrically coupled to a corresponding output of the control unit; and wherein the control unit delivers the electrical identifiable pattern to the at least two dissolvable transmission elements, and wherein at least one of the dissolvable transmission elements is configured to detach from the structure when the at least one dissolvable transmission element is deployed.
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2. An in-body system for delivering an active agent into a liquid and indicating an occurrence of an event, the system comprising:
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a carrier composition, which includes the active agent; a control device located within the carrier composition, the control device comprising; a structure for defining a space that is sealed from the liquid; a control unit positioned within the defined sealed space of the structure, wherein the control unit produces an electrical identifiable pattern, and wherein the electrical identifiable pattern comprises information regarding the occurrence of the event; a dissolvable element secured to one surface of the structure and electrically coupled to the control unit, wherein the control unit delivers the electrical identifiable pattern to the dissolvable element and the dissolvable element radiates the electrical identifiable pattern; and wherein the control unit is activated when in contact with the liquid and the dissolvable element begins radiating the electrical identifiable pattern until the dissolvable element is dissolved; and wherein the dissolvable element is configured to detach from the structure when the dissolvable element is deployed. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10)
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Specification