Patent ID: 6151110
Filing Date: 2000-11-21
Classification: A61B,G01N

Abstract:
A measuring device for determining the concentration of a substance in a liquid, especially a body liquid, by optical or electrical measurement of a test field provided on a test card (10), onto which the liquid to be investigated is applied, including a housing containing a space for receiving at least one test card (10) and having an upper housing portion (32) and a lower housing portion (36), on which in the area of the separating plane of the housing (32) a test card support surface with a measuring station is formed, a measuring arrangement (50, 52) arranged in the area of the measuring station for measuring the test field, and evaluation and control apparatus, and an indicator (38), characterized in that both housing portions (34, 36) are movable back and forth relative to one another along a pre-given range and in that a transport element (82, 88) is coupled with one of the housing portions (34, 36), said transport element being engagable with a test card (10) located in the receiving space and having at least one test section (12) with a test field, in order to move the test card in the direction toward the measuring station in dependence on the relative shifting movement of the two housing portions (34, 36).