The EDTAK disposable vacuum blood collection tube is a sterile, single-use medical device designed for the collection and anticoagulation of venous blood samples. It is pre-evacuated to draw a precise volume of blood automatically via negative pressure. The tube is universally identified by its purple (lavender) cap, indicating the presence of EDTA (Ethylenediaminetetraacetic Acid) potassium salt as the anticoagulant.
Anticoagulant Mechanism
Active Ingredient: Spray-dried EDTA K₂ or EDTA K₃.
Mode of Action: EDTA acts as a potent chelating agent that binds calcium ions (Ca²⁺) in the blood. Since calcium is essential for the coagulation cascade, sequestering it effectively inhibits both intrinsic and extrinsic clotting pathways, preventing blood coagulation.
Advantage: Minimizes impact on blood cell morphology and platelet aggregation, making it the gold standard recommended by the ICSH (International Council for Standardization in Haematology) for hematological examinations.
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EDTAK Disposable Vacuum Blood Collection Tube
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