Products Description
Heparin tubes are made of glass or PET and have green caps to indicate the presence of heparin. When a blood sample is collected into a heparin tube, heparin prevents the blood from clotting by inhibiting the action of thrombin, a key enzyme in the blood clotting cascade.
Green tubes contain heparin (either in the form of sodium heparin, lithium heparin, or ammonium heparin) which acts as an anticoagulant by inhibiting thrombin formation. Unlike red tubes, the type of blood produced in green tubes is not serum but plasma. Green tubes are often used in emergency situations when "stat" or instant blood chemistry results are required.
Emergency biochemical testing: 5ml lithium heparin tubes can quickly complete the testing of electrolytes, blood sugar, lactate and other indicators. It only takes 10 minutes from blood collection to machine operation, which can save time for emergency patients such as myocardial infarction and stroke.



our factory

Shandong Chengwu Medical Products Factory was founded in 2005, and it covers an area of more than 60,000 square meters, including more than 25,000 square meters of Class 100,000 G M P standard purification workshops with world advanced automatic production lines. Currently, we mainly produce disposable vacuum blood collection tubes, blood collection needles, scalp vein sets, blood lancets, infusion sets, lab consumables and more than 20 other items of medical supplies.

Currently, we mainly produce disposable vacuum blood collection tubes, blood collection needles, scalp vein sets, blood lancets, infusion sets, lab consumables and more than 20 other items of medical supplies.

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