Biosensor
First Claim
Patent Images
1. A biosensor comprising:
- a proximal end and a distal end;
a first layer and a second layer;
the first and second layers fixed together by a third layer;
the proximal end having a tapered part;
a working electrode provided on the first layer and a counter electrode provided on the second layer, wherein a tip part of the working electrode and a tip part of the counter electrode is provided on the tapered part, and wherein leads from the working and counter electrodes extend from the tapered part to the distal end;
an insertion judging electrode disposed on the first layer or the second layer, wherein the insertion judging electrode is disposed only at the distal end, wherein the insertion judging electrode interconnects two input terminals of the device body to start a control part of the device body upon connecting the biosensor to the device body; and
the tapered part comprising a space for housing a sample and an opening for admitting the sample, wherein the opening is in communication with the space for housing the sample, wherein the space has a volume that is no more than 1.0 μ
L.
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Accused Products
Abstract
A biosensor comprises a space part for sucking and housing a sample formed of two upper and lower plates, the two plates being stuck together by an adhesive layer, the space part for sucking and housing the sample being constituted so as to be partially opened in the peripheral part and partially closed by the adhesive layer, and has a working electrode having at least glucose oxidase immobilized thereon and a counter electrode on the same plane of the plate.
47 Citations
14 Claims
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1. A biosensor comprising:
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a proximal end and a distal end; a first layer and a second layer; the first and second layers fixed together by a third layer; the proximal end having a tapered part; a working electrode provided on the first layer and a counter electrode provided on the second layer, wherein a tip part of the working electrode and a tip part of the counter electrode is provided on the tapered part, and wherein leads from the working and counter electrodes extend from the tapered part to the distal end; an insertion judging electrode disposed on the first layer or the second layer, wherein the insertion judging electrode is disposed only at the distal end, wherein the insertion judging electrode interconnects two input terminals of the device body to start a control part of the device body upon connecting the biosensor to the device body; and the tapered part comprising a space for housing a sample and an opening for admitting the sample, wherein the opening is in communication with the space for housing the sample, wherein the space has a volume that is no more than 1.0 μ
L. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification