C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 201/00 (2006.01) B01L 3/14 (2006.01) B05D 7/24 (2006.01) G01N 33/49 (2006.01) A61B 5/14 (1990.01)
Patent
CA 2095080
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.
Additif pour tube de collecte de sang qui comporte une surface mouillable et une surface non mouillable. Lorsqu'un échantillon de sang entre en contact avec la surface mouillable, la cascade des réactions de coagulation est déclenchée. Les éléments du caillot adhèrent à la surface non mouillable. L'additif devient ainsi une partie intégrante du caillot et, lors de la centrifugation, devient partie intégrante du culot et est retiré de la couche de sérum. L'invention comprend un tube de collecte de sang dans lequel se trouve l'additif. Le contenu du tube peut être évacué et le tube a à une de ses extrémités une ouverture recouverte par une cloison.
Harper Garry R.
Vogler Erwin A.
Becton Dickinson And Company
Gowling Lafleur Henderson Llp
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