Whole blood metering cup
AssigneeEastman Kodak Company
InventorMerrit N. Jacobs
Life of this patent
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Abstract
A method and related apparatus for the dispensing of a biological liquid, such as whole blood, to a diagnostic test element is described, in which a quantity of patient sample is preferably added to a container having contained filters for separating and supporting a quantity of the sample. The container has an exterior surface wettable with the filtered sample, a cover to prevent significant evaporation of the wetted filter surface, and a movable transfer element for transferring filtered liquid from the wetted surface and delivering the liquid to a test element.
Claims8
In a container useful for filtering and dispensing a biological liquid onto a test element, the container comprising an entrance and an exit opening, a filter disposed within the confines of said container, and having a surface wettable with said liquid and adjacent said exit opening, wherein the improvement comprises:
- closure means for closing off access of said wetted filter surface from the atmosphere, said closure means comprising a cover section movably mounted to temporarily close off said container at said exit opening, and
- means on said cover section for transferring filtered liquid from said wettable surface to a liquid-supporting surface of said cover and then to a test element located external to said container, said liquid-supporting surface comprising a plurality of grooves extending over substantially the entirely of said surface.
Dependencies are inferred from the claim text.