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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0302281 (1994-09-08) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 438 인용 특허 : 0 |
For measuring an analyte in a liquid, a test strip and apparatus each have an asymmetry. The asymmetries combine to permit a test strip to be inserted into the apparatus when it is correctly aligned but prevent the test strip from being fully inserted if it is wrong side up. The apparatus also detec
For measuring an analyte in a liquid, a test strip and apparatus each have an asymmetry. The asymmetries combine to permit a test strip to be inserted into the apparatus when it is correctly aligned but prevent the test strip from being fully inserted if it is wrong side up. The apparatus also detects whether or not the strip has been fully inserted.
A longitudinally extending test strip for measuring an analyte in a liquid by inserting said test strip into a passageway of a reading apparatus; said test strip having first and second major surfaces, and an insertion end for leading the insertion of the strip into said passageway and an opposite t
A longitudinally extending test strip for measuring an analyte in a liquid by inserting said test strip into a passageway of a reading apparatus; said test strip having first and second major surfaces, and an insertion end for leading the insertion of the strip into said passageway and an opposite trailing end; said passageway having a corresponding end for receiving the insertion end of the strip; said first major surface having, positioned between said insertion end and said trailing end, a reaction zone, a portion of which is readable by the apparatus when the strip is fully inserted into said passageway; said reaction zone producing an apparatus readable indication as a function of the analyte in said liquid when a sample of said liquid is applied to said strip; the insertion end having apparatus detectable means for cooperating with detection means at the corresponding end of the passageway; whereby the apparatus can be programmed to determine whether or not the strip has been fully inserted therein; the insertion end being asymmetrical with respect to a longitudinal centerline of the strip for cooperating with a mating configuration for the passageway of the apparatus, whereby said strip cannot be fully inserted when upside down; the apparatus detectable means comprising an area having a predetermined reflectance; and said passageway having, when it is empty, a reflectance that is either less than 0.9 or more than 1.1 times the predetermined reflectance of the area of the apparatus detectable means.
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