👉 Tourniquets are medical devices that are used to stop the flow of blood in a limb or body part. These devices are often used for patients who have been injured, such as during an operation or surgery. The main advantage of using a tourniquet is its ability to control the bleeding and prevent further damage. When a patient has sustained injuries, it's important to stop the bleeding quickly to prevent infection and other complications. Tourniquets are typically worn under clothing over the affected