Color-coded: They often contain additives that mix with the blood when collected (see below), and the color of the plastic tube cap indicates what additives the tube contains. The needle actually has a second, smaller needle, and when a Vacutainer test tube is pushed down into the holder, its rubber cap is pierced. When the needle is screwed into the translucent plastic Vacutainer needle holder, the rubber needle is in the holder, and the exposed needle is inserted into the vein. Vacutainer tubes work on the pressure difference that creates between the blood vessel and the vacuum in the tubes, which forces the blood through the needle into the tube.
What do the different colors of blood tubes mean?
In addition, the exact volume that should be taken from a particular vacutainer tube is shown on the label of each tube to minimize the errors that can occur if more or less blood is drawn into the tube, as each tube is an anticoagulant or additive, or a Clot activator in some and the ratio of blood to additive must be maintained to obtain the exact values of the tests. The filled tube is then removed, and another can be inserted and filled in the same way, aiding blood collection. Since blood collection tubes and tests are connected, using the wrong tube may make the blood sample unusable for the intended test
What is Vacutainer What do the color-coded tops mean?
A vacutainer blood collection tube is a sterile glass or plastic tube with a closure that is evacuated to create a vacuum within the tube that makes it easier to suck out a predetermined volume of fluid. When a vacutainer tube is inserted into the holder, its rubber cap is pierced by the inner needle, and the vacuum in the tube draws blood through the needle into the tube. The pipes are available with a safety-oriented plug, with a wide range of labeling options and draw volumes. The needle actually has a second, smaller needle, and when a Vacutainer test tube is pushed down into the holder, its rubber cap is pierced.
What is Red Vacutainer used for?
This collection tube prepares heparinized plasma, whole blood, and bone marrow samples and is generally used for statistical and routine chemical testing. For a clearer explanation of these clinical test tubes, here is a general overview of which Vacutainer tubes should be used for which tests based on the shade of the cap. If this Vacutainer is a serum separator tube, it contains a clot activator supplement to promote blood clotting Not only be sure to overfill or underfill tubes but always check sample collection or transportation to ensure that no expired containers
The latest trends in vacutainer development involve a stronger tubing material made from a plastic and polyethylene formulation.
What is the blue Vacutainer used for?
Vacutainer tubes may contain additional substances that preserve blood for processing in a medical laboratory. A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper that creates a vacuum seal inside the tube and makes it easier to draw a predetermined volume of fluid. Most blood collection tubes contain an additive that either accelerates blood clotting (clot activator) or prevents blood clotting (anticoagulant). For a clearer explanation of these clinical test tubes, here is a general overview of which Vacutainer tubes should be used for which tests based on the shade of the cap.