Blood sample apparatus and method

Details Blood sample apparatus and method Blood sample apparatus and method

1991-02-15

1994-05-31

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Sedimentation rate or hematocrit

422 72, 422 73, 422100, 422102, 436 45, 436165, 436177, G01N 3386

Patent

active

053169522

ABSTRACT:
An improved blood sample apparatus having a capillary channel formed in a basal element and enclosed with a transparent overlay to create a capillary tube. A chamber for receiving a sample of blood is formed in the basal element at one end of the capillary channel. A blotter is placed in the chamber to receive the sample of blood. An overflow reservoir is formed perpendicularly to the capillary tube and receives surplus blood in excess of that needed to fill the capillary tube. A scale adjacent the capillary tube provides an automatic reading of the hematocrit. The transparent overlay sealingly encloses the sample of blood inside the hematocrit apparatus. The transparent overlay also includes a writing surface and a machine-readable indicia.

REFERENCES:
patent: 3168473 (1965-02-01), Goda et al.
patent: 3640267 (1972-02-01), Hurtig et al.
patent: 5039617 (1991-08-01), McDonald et al.
patent: 5110743 (1992-05-01), Windisch et al.

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