How the Vacuum Blood Collection System Works？ скачать в хорошем качестве

How the Vacuum Blood Collection System Works？

The Vacuum Blood Collection System is a medical device used to collect blood samples from patients. It consists of a set of tubes or containers, each with a specific purpose, and a needle attached to a holder. Here's how the system typically works: 1. Preparation: The healthcare professional selects the appropriate vacuum tube for the desired blood tests. Different tubes contain specific additives or anticoagulants required for different types of analyses. 2. Patient preparation: The patient's arm is cleaned with an antiseptic to ensure the area is sterile. A tourniquet may be applied to temporarily restrict blood flow and make the veins more prominent. 3. Needle insertion: The healthcare professional inserts the needle attached to the vacuum tube holder into a vein. Usually, the median cubital vein in the inner elbow is used, but other veins may be selected depending on the circumstances. 4. Blood flow and collection: Once the needle is properly inserted, blood flows from the patient's vein into the attached vacuum tube due to the pressure difference created by the vacuum within the tube. The vacuum is typically created by a pre-evacuated system within the tube. 5. Tube sequence: The order in which the tubes are filled is determined by the specific tests required. For example, a phlebotomist may collect tubes for chemistry, hematology, and coagulation tests in a specific order to prevent cross-contamination or interference between different additives. 6. Tube removal: Once the required volume of blood is collected, the healthcare professional gently removes the needle from the vein. The needle is typically covered by a plastic shield or cap to prevent accidental needlestick injuries. 7. Tube handling: After collection, each tube is carefully labeled with the patient's information and other necessary details. The tubes are then properly handled according to the specific laboratory requirements, which may involve mixing the blood with additives or anticoagulants by inverting the tube several times. 8. Transportation and processing: The collected blood samples are usually sent to the laboratory for analysis. The tubes are packed securely to prevent breakage during transportation. Once in the laboratory, the tubes are processed according to the specific tests ordered by the healthcare provider. Overall, the Vacuum Blood Collection System simplifies and standardizes the blood collection process, allowing for efficient and hygienic blood sampling while minimizing the risk of contamination or blood clotting within the collection tubes.