Ingestible Circuitry
First Claim
Patent Images
1. An device comprising:
- a support;
a first electrode connected to the support;
a second electrode connected to the support; and
a control circuit for controlling current flow, wherein the control circuit is secured to the support and wherein the first electrode is electrically coupled to the control circuit at a first input and the second electrode is electrically coupled to the control circuit at a second input,wherein the first and second electrodes are made of dissimilar materials that are capable of providing a voltage potential when in contact with a conducting fluid.
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Abstract
The present invention provides for safe and reliable electronic circuitry that can be employed in ingestible compositions. The ingestible circuitry of the invention includes a solid support; a conductive element; and an electronic component. Each of the support, conductive element and electronic component are fabricated from an ingestible material. The ingestible circuitry finds use in a variety of different applications, including as components of ingestible identifiers, such as may be found in ingestible event markers, e.g., pharma-informatics enabled pharmaceutical compositions.
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Citations
27 Claims
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1. An device comprising:
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a support; a first electrode connected to the support; a second electrode connected to the support; and a control circuit for controlling current flow, wherein the control circuit is secured to the support and wherein the first electrode is electrically coupled to the control circuit at a first input and the second electrode is electrically coupled to the control circuit at a second input, wherein the first and second electrodes are made of dissimilar materials that are capable of providing a voltage potential when in contact with a conducting fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of producing an identifiable ingestible device that is operational upon contact with a conducting fluid, the method comprising the steps of:
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providing a first laminate comprising an electrode and an anode to form a voltage potential there between when the ingestible device comes in contact with the conducting fluid; defining an aperture in the first laminate for receiving a circuitry component; fixing the circuitry component in the aperture with a conductive adhesive such that the circuitry component is electrically coupled to the electrode and the anode; controlling current flow through the ingestible device and the conducting fluid to produce a unique current signature. - View Dependent Claims (12, 13)
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14. A device for indicating the ingesting of a pharmaceutical product, the device comprising:
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a support comprising a conductive layer including a plurality of electrically isolated sections; a plurality of electrodes positioned on the support, each of which is deposited on the support and electrically connected to one of the plurality of electrically isolated sections of the conductive layer; a control circuit comprising a plurality of inputs, wherein the control circuit is positioned within an aperture defined by the support such that each input is electrically coupled to one of the plurality of electrically isolated sections thereby allowing the control circuit to independently control current flow through each of the plurality of electrically isolated sections to generate a current signature that indicates the device is in contact with a conducting fluid; and a layer of protective material for covering the control circuit wherein the protective material protects the control circuit as the control circuit is activated when the plurality of electrodes come into contact with the conductive fluid.
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15-20. -20. (canceled)
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21. A method of producing an identifier, the method comprising:
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laminating a non-conducting element between first and second dissimilar materials to form a first laminate component, wherein the first and second dissimilar materials generate a voltage potential when in contact with a conducting fluid; forming a first aperture through the first laminated component; and removing a portion of the first and second dissimilar materials from the perimeter of the laminate component to expose the non-conducting element and to create a skirt. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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Specification