Additive having dual surface chemistry for blood collection cont

Details Additive having dual surface chemistry for blood collection cont Additive having dual surface chemistry for blood collection cont

1992-05-08

1993-09-21

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422101, 422102, 436 69, 436177, 435 2, 428405, 128760, 210504, 210506, G01N 3300

Patent

active

052466663

ABSTRACT:
An additive for a blood collection tube has a wettable surface region and a nonwettable surface region. When a blood sample comes into contact with the wettable surface region, the clotting cascade is initiated. Clot material adheres to the nonwettable surface region. The additive thereby becomes part of the clot and, on centrifugation, becomes part of the pellet and is removed from the serum layer. The invention includes a blood collection tube having the additive therein. The tube may be evacuated and have an open end covered with a septum.

REFERENCES:
patent: 4131549 (1978-12-01), Ferrara
patent: 4656083 (1987-04-01), Hoffman et al.
patent: 4711820 (1987-12-01), Arkles et al.
patent: 4770779 (1988-09-01), Ichikawa et al.
patent: 4886071 (1989-12-01), Mehl et al.
patent: 4957582 (1990-09-01), Columbus
patent: 5019243 (1991-05-01), McEwen et al.
patent: 5045201 (1991-09-01), Dubois et al.

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