Blue Cap PT Blood Collection Tube

Vacuum PT blood collection tubes are disposable medical devices used in clinical tests for the safe and precise collection of venous blood samples. The core principle is to automatically draw a fixed amount of blood by utilizing the preset vacuum negative pressure inside the tube and react it with the pre-added reagents in the tube to ensure the quality of the sample and the accuracy of the test.

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I. Product Mechanism and Essential Requirements

This blood collection container utilizes 3.2% (0.109 mol/L) or 3.8% sodium citrate as the anticoagulation agent. By selectively binding to calcium ions present in the bloodstream, it temporarily stops the clotting sequence, offering a reliable foundation for in vitro coagulation assessment. Its core essential requirements include:

Precise Blood-to-Anticoagulant Proportion: Maintaining a 9:1 ratio of blood to anticoagulant is critical. Underfilling or overfilling the container will alter calcium levels, causing inaccurate lengthening or shortening of clotting times and severely affecting test reliability.

Prompt Specimen Handling: Analysis must be finished within the designated timeframe following collection to preserve coagulation factor integrity.

II. Key Application Fields

This container is specifically intended for coagulation assessments requiring plasma, encompassing:

Coagulation Screening Assays: Prothrombin Time (PT), International Normalized Ratio (INR), Activated Partial Thromboplastin Time (APTT)

Coagulation Factor Level Determinations (including Factors II, V, VII, VIII, IX, X, XI, XII)

Anticoagulant Treatment Oversight (for medications such as Warfarin, Heparin)

Detection of Coagulation Factor Inhibitors

Specific Techniques for Fibrinolytic Pathway Evaluation (including D-dimer, Fibrinogen Degradation Products)

product-800-800 product-712-420

Our Certificate

ISO13485, FSC, MSDS, FDA.

company philosophy

North America 15%, South America 15%, Southern Europe10%, South Asia 10%, Domestic Market 10%, Mid East 6%, Eastern Europe 5%, Southeast Asia 5%

product-389-241 product-800-533

FAQ

01.How can we guarantee quality?

Always a pre-production sample before mass production;
Always final Inspection before shipment; vacuum blood collection tube
27 years professional produce experience

02.What can you buy from us?

Our main products are Vacuum Blood Collection Tube System, Venous Blood Collection Needles System, Infusion Set, Disposable Lancet, Specimen Collection Swabs, Virus Specimen Collection Tube , Antigen Rapid Test Kit, with high quality, pretty competitive price and fast delivery.

03.Do you have any certificates?

YES, we have all the certificates required for export and local import custom clearance.

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