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Venous blood collection is to collect blood samples for testing and analysis by inserting a thin tube into the human vein with a needle. Veins are a type of blood vessel in the human body with weak or even no pulse. They are usually located deep in the subcutaneous tissue and muscles, with thick walls, and are less affected by factors such as autonomic nerves and changes in body position, so they are suitable for blood collection. When collecting blood, medical staff will perform multiple steps such as disinfection, puncture, and fixation to ensure the safety and accuracy of blood collection. Venous blood collection is a common medical operation and is widely used in clinical medicine and scientific research.
In terms of appearance, protective clothing is easy to distinguish from isolation clothing and surgical gowns. Surgical gowns and isolation gowns are not easy to distinguish. They can be distinguished by the length of the belt (the belt of the isolation gown should be tied to the front for easy removal. The belt of the surgical gown is tied at the back). From the functional point of view, there are overlaps between the three. The requirements for disposable surgical gowns and protective gowns are significantly higher than those for disposable isolation gowns. In the case of common use of isolation gowns in clinical practice (such as contact isolation of multi-drug resistant bacteria), disposable surgical gowns and isolation gowns can be interchangeable, but where disposable surgical gowns must be used, they cannot be replaced by isolation gowns.
