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A Blood collection vacuum tube, also known as a Blood collection tube or Vacutainer, is a sterile tube used to collect and store blood samples for laboratory testing. It is designed with a vacuum inside the tube, which helps draw a specific volume of blood into the tube when a needle is inserted into a vein.
The vacuum in the tube allows for easy and efficient blood collection by helping to fill the tube with the desired amount of blood. The tubes are color-coded to indicate the type of additive or anticoagulant present in the tube, which is essential for specific laboratory tests. Different vacuum tube types include: 1. Red top tube: Contains no anticoagulant and is used for serum tests, such as blood chemistry and blood bank tests. 2. Lavender top tube: Contains an anticoagulant called ethylenediaminetetraacetic acid (EDTA) and is used for complete blood count (CBC) and blood typing. 3. Green top tube: Contains the anticoagulant heparin and is used for plasma tests, such as electrolyte and arterial blood gas analysis. 4. Blue top tube: Contains the anticoagulant sodium citrate and is used for coagulation studies, including prothrombin time (PT) and activated partial thromboplastin time (APTT). 5. Gray top tube: Contains an anticoagulant and preservative called sodium fluoride/potassium oxalate and is used for glucose and lactate testing. After collection, the tubes are typically centrifuged to separate the blood components (plasma or serum) from the cellular portion, allowing for further testing or storage. The blood samples collected in vacuum tubes are commonly used in various diagnostic tests to assess a person's health status or diagnose medical conditions. We have more than ten years of production experience and are familiar with the performance of each specification of Vacutainer. There are professional technical teams, aseptic standard workshops and fully automatic production lines to improve product quality while greatly reducing product prices, with a monthly production capacity of 2 million
