What is the use of tourniquet

summary

When we go out, there will be bleeding and injury. At this time, we need a tourniquet. If we can't use it, it will be troublesome. Let's explain how to use the tourniquet.

What is the use of tourniquet

Method 1: the standard position of tourniquet was at the junction of upper 1 / 3 of upper arm and lower 1 / 3 of middle and lower thigh. At present, it is advocated that tourniquet should be tied to the healthy part close to the wound, which is beneficial to the maximum preservation of the limb. Tourniquet ligation in the middle and lower 1 / 3 of the upper arm is easy to damage the radial nerve. Tourniquet can not be used in these places. We must remember this, otherwise wrong use is a kind of injury.

Method 2: the tension of tourniquet should be appropriate, and the pressure is one of the key problems in using tourniquet. The tension of tourniquet should be based on the stop of bleeding and the inability to touch the pulse at the distal end. Too loose often only presses the vein, causes the vein blood return obstruction, on the contrary aggravates the hemorrhage. When using the tourniquet, the upper limb should be maintained at 40 kPa (300 mmHg), and the lower limb should be maintained at 66 kPa. 7 kPa (500 mmHg).

Method 3: the tourniquet should be released after infusion, blood transfusion and preparation of effective hemostatic means, and the tourniquet should be relaxed under close observation. The tourniquet should not be relaxed before amputation if the tourniquet has been wrapped for a long time and the tissue has obviously extensive necrosis.

matters needing attention

Tourniquet should not be directly wrapped on the skin. The corresponding part of tourniquet should be padded, such as triangular towel, towel, clothes, etc. And to accurately find the injured part, if there is a fracture, then do not move the injured part.