The tourniquet, an essential tool in venipuncture, is often referred to as the "magic band" of venipuncture. By temporarily restricting venous blood flow, it enhances vein visibility, making the blood vessel easier to access for procedures such as blood draws and IV insertion. This article explores the application of the tourniquet in venipuncture, its common types, usage techniques, and how its proper application can reduce patient discomfort and improve procedural efficiency. Though simple, the tourniquet plays a crucial role in clinical care, serving as a "magical assistant" in everyday medical operations.
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