DEVICE FOR DETECTING AN ANALYTE IN A BODILY FLUID
First Claim
1. A device for detecting at least one analyte in a bodily fluid, comprising:
- a test element having a two-dimensional evaluation region; and
a spatially resolving optical detector having a plurality of pixels, the detector being configured to image at least part of the test element onto an image region and to image at least part of the evaluation region onto an evaluation image region;
wherein;
the detector is matched to the test element such that a predetermined minimum number of pixels is provided for each dimension within the evaluation image region;
the pixels are arranged in a two-dimensional matrix having pixel rows and pixel columns; and
the pixel rows are arranged substantially parallel to a longitudinal direction of at least one of the evaluation region or the evaluation image region.
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Accused Products
Abstract
A device is proposed for detecting at least one analyte in a bodily fluid. The device comprises at least one test element with at least one two-dimensional evaluation region. The device furthermore comprises at least one spatially resolving optical detector having a plurality of pixels. The detector is designed to image at least part of the test element onto an image region. In the process, at least part of the evaluation region is imaged onto an evaluation image region. The detector is matched to the test element such that a predetermined minimum number of pixels is provided for each dimension within the evaluation image region. The pixels are arranged in a two-dimensional matrix arrangement. The matrix arrangement has pixel rows and pixel columns, wherein the pixel rows are arranged substantially parallel to a longitudinal direction of the evaluation region and/or of the evaluation image region.
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Citations
46 Claims
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1. A device for detecting at least one analyte in a bodily fluid, comprising:
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a test element having a two-dimensional evaluation region; and a spatially resolving optical detector having a plurality of pixels, the detector being configured to image at least part of the test element onto an image region and to image at least part of the evaluation region onto an evaluation image region; wherein; the detector is matched to the test element such that a predetermined minimum number of pixels is provided for each dimension within the evaluation image region; the pixels are arranged in a two-dimensional matrix having pixel rows and pixel columns; and the pixel rows are arranged substantially parallel to a longitudinal direction of at least one of the evaluation region or the evaluation image region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 46)
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45. A method for recognizing an evaluation region of a test element for detecting at least one analyte in a bodily fluid, comprising:
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providing a lancet element with a capillary; drawing bodily fluid into the capillary; transferring at least a portion of the bodily fluid onto the test element; using a spatially resolved optical detector to image at least part of the test element onto an image region; imaging at least part of an evaluation region of the test element onto an evaluation image region; and automatically recognizing the evaluation region by at least one of; a pattern recognition method in which at least one element selected from the group consisting of the lancet element and the capillary is recognized and an extrapolation of the element onto the test element is identified as the evaluation region;
ora signal-change method in which a region of the test element within which an optically detectable change occurs as a result of the transfer of the bodily fluid onto the test element is identified as the evaluation region.
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Specification