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Tourniquet cuffs are not suitable for all types of bleeding. Their use needs to be judged comprehensively based on the specific type of bleeding, the bleeding site, and the overall condition of the patient. The following is a detailed discussion of the applicability of tourniquet cuffs:
Tourniquet cuffs are mainly used for arterial bleeding in the extremities, especially when direct compression or other hemostatic methods cannot effectively stop the bleeding. In upper limb surgery, the cuff should be placed in the upper middle third of the upper arm; when used in the lower limbs, the cuff is placed in the proximal 1/3 of the thigh. These parts are easier to compress the blood vessels that can effectively stop bleeding and achieve the effect of hemostasis.
Tourniquet cuffs are not suitable for all bleeding situations. For example, for surgeries in the upper arm and upper middle thigh, they still need to be performed without a tourniquet. In addition, tourniquet cuffs are not suitable for venous bleeding or capillary bleeding, because these bleeding can usually be solved by direct compression or other simple hemostatic methods.
When using a tourniquet cuff, the overall condition of the patient also needs to be considered. For some patients, such as those with thrombophlebitis, pulmonary embolism, peripheral vascular disease, severe hypertension or diabetes, the tourniquet cuff should be used with caution. Because these patients may have problems such as vascular damage or coagulation dysfunction, the use of a tourniquet cuff may increase the risk of bleeding or complications.
The use time of the tourniquet cuff also needs to be noted. Because long-term tissue hypoxia may lead to lactic acid accumulation and gangrene, the tourniquet is generally tied for 1 hour and then needs to be loosened for 1-2 minutes to restore blood circulation. The total time for using a tourniquet to stop bleeding is generally not more than 4 hours to avoid serious complications such as limb necrosis.
When choosing a tourniquet cuff, its type and quality also need to be considered. There are many types of tourniquets, such as inflatable, cassette, cloth strip, and rotary. Rotary tourniquets are preferred in pre-hospital emergency treatment, and inflatable tourniquets are preferred in in-hospital emergency treatment. The width of the tourniquet cuff is also an important consideration. A wider cuff can reduce the pressure of the tourniquet, thereby reducing secondary injuries.
Although the tourniquet cuff system is an effective method of stopping bleeding, it is not suitable for all types of bleeding. Before use, it is necessary to comprehensively consider factors such as the type of bleeding, the bleeding site, and the patient's overall condition, and operate under the guidance of professionals. At the same time, it is also necessary to pay attention to factors such as the use time, type, and quality of the tourniquet to ensure its safety and effectiveness.
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