Electrochemical sensors with carrier field
First Claim
Patent Images
1. A test strip configured for reception by a test meter, said test strip comprising:
- a carrier defined by one or more nonconductive substrates and having first and second electrically conductive regions that are electrically isolated from one another, the carrier including a fold line transverse to a major dimension of the carrier along which top and bottom portions are defined, said portions carrying the first and second conductive regions, respectively, and an opening extending therethrough; and
an electrochemical module mounted to the carrier such that at least a portion of the electrochemical module extends across the opening and is thereby exposed, the electrochemical module having an electrochemical cavity with a first electrode in electrical communication with the first conductive region of the carrier, a second electrode in electrical communication with the second conductive region of the carrier, and a sample receiving chamber that includes a reagent layer and wherein the electrochemical module is mounted at opposing ends between the top and bottom portions within the opening.
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Abstract
An electrochemical sensing apparatus and methods are provided. In one embodiment, an apparatus is provided having a carrier that supports an electrochemical module and that communicates between electrodes on the electrochemical module and an analyte measurement device.
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Citations
23 Claims
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1. A test strip configured for reception by a test meter, said test strip comprising:
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a carrier defined by one or more nonconductive substrates and having first and second electrically conductive regions that are electrically isolated from one another, the carrier including a fold line transverse to a major dimension of the carrier along which top and bottom portions are defined, said portions carrying the first and second conductive regions, respectively, and an opening extending therethrough; and an electrochemical module mounted to the carrier such that at least a portion of the electrochemical module extends across the opening and is thereby exposed, the electrochemical module having an electrochemical cavity with a first electrode in electrical communication with the first conductive region of the carrier, a second electrode in electrical communication with the second conductive region of the carrier, and a sample receiving chamber that includes a reagent layer and wherein the electrochemical module is mounted at opposing ends between the top and bottom portions within the opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A test strip configured for reception by a test meter, said test strip comprising:
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a carrier defined by one or more substrates made from a non-conducting material and having a first conductive area defined on a top portion, and a second conductive area defined on a bottom portion electrically isolated from the first conductive area, and an opening formed through the carrier and in which the top portion and the bottom portion of the carrier are defined by a fold line extending transverse to a major dimension of the carrier; an electrochemical module mounted on the carrier such that at least a portion of the module extends across the opening in the carrier and is thereby exposed, the electrochemical module having a first electrode in communication with the first conductive area of the carrier, a second electrode in communication with the second conductive area of the carrier, an electrochemical cavity for receiving a fluid sample, the electrochemical cavity being formed between the first and second electrodes, and a reagent disposed within the electrochemical cavity on at least one of the first and second electrodes for reacting with an analyte of a fluid sample received in the electrochemical cavity in which the top portion carries the first conductive area and the bottom portion carries the second conductive area, and wherein the electrochemical module has opposed ends engaged between the top and bottom portions within the opening. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A test strip configured for insertion within a test meter, said test strip comprising:
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an electrochemical module having an electrochemical cavity with first and second electrodes, and a sample receiving chamber having a reagent layer configured to react with an analyte of a fluid sample received in the electrochemical cavity; and a carrier having a top insulating substrate having a first conductive region, a bottom insulating substrate having a second conductive region, a distal cut-out extending through a distal end of the top and bottom insulating substrates, at least a portion of the electrochemical module extending across the distal cut-out such that the first electrode is in electrical communication with the first conductive region and the second electrode is an electrical communication with the second conductive region, and a proximal cut-out extending through a proximal end of the bottom insulating substrate of said carrier to expose a contact area on the first conductive region of the top insulating substrate such that the first contact area on the first conductive region of the top insulating substrate and a second contact area on the bottom insulating substrate are exposed to allow electrical connection with a test meter to establish a connection between the first and second electrodes and the test meter, the electrochemical module having opposed ends engaged between the top and bottom insulating substrates of the carrier at the distal cut-out, and wherein the electrochemical cavity is located between the opposed ends and extends outwardly away from the carrier.
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23. A carrier web, comprising:
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a carrier having first and second conductive areas electrically isolated from one another, and a plurality of openings spaced a distance apart from one another and disposed along a fold line; and a plurality of electrochemical modules, each module being mounted across one of the plurality of openings and along the extending fold line, each electrochemical module having a first electrode in communication with the first conductive area, a second electrode isolated from the first electrode and in communication with the second conductive area, and an electrochemical cavity accessible through the opening in the carrier for receiving a fluid sample wherein the fold line defines a top portion carrying the first conductive area and a bottom portion carrying the second conductive are; and wherein the plurality of electrochemical modules are modules are mounted at opposing ends between the top and bottom portions within the openings.
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Specification