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Tourniquet (also known as tourniquet), how to use it correctly
Data: 2021-11-16
In the hospital, we can always see a lot of medical equipment, each medical equipment has its own unique role. We often use a tourniquet when we draw blood.
In the past, domestic hospitals often used hose tourniquet (so long). However, this kind of rubber tourniquet has common phenomena such as cross-use, repeated use, storage burden, non-disinfection or long disinfection intervals, which leads to serious public health problems such as tourniquet pollution.
With the emergence of new TPE environmental protection material disposable tourniquet, effectively solve the problem of cross infection.
The more typical is the disposable tourniquet. Compared with the traditional rubber tourniquet, it has a unique guillotine design, easy to use, and made of a new environmentally friendly material TPE. The clinical use of disposable tourniquets is effective in preventing cross-infection, which conforms to the national policy requirements of "one person, one needle, one towel" advocated and implemented by the Ministry of Health, and ensures the safety of patients.
Disposable tourniquet how to use?
1. daily treatment and treatment of infusion, blood, blood transfusion, hemostasis:
1. The tourniquet should not be tied too tightly when using it, and the use time should be minimized. When blood is drawn back, loosen the tourniquet immediately.
2. When checking blood lipids, coagulation items, and blood routine items, the use of tourniquets should be limited to one minute.
3. The tourniquet is too tight, the time is too long, the blood blocking time is too long, hemolysis, platelet activation, etc. will lead to distortion of the examination results.
4. When blood needs to be taken again, if the tourniquet is bound too long, blood should be taken again on the other arm.
Emergency use of 2. limb bleeding:
1. When using a tourniquet, first lift the limbs to allow venous blood to flow into the body to reduce blood loss.
2. In the position where the tourniquet is used, it should be as close to the upper part of the bleeding site as possible to avoid compression and avoid nerve damage.
3. When tying a tourniquet, try to use that tense road just to press the artery bleeding.
The above is the correct operation method when using a disposable tourniquet, and everyone can use it correctly to prevent accidents. The cost of using disposable tourniquet is low, the economic burden of patients is small, and it is convenient to use. It is important to avoid cross-infection of bacteria during treatment.
The oppression time cannot be too long or too tight
tourniquetUse time is too long, blood reflux is blocked, blood vessels expand, blood pressure in capillaries increases, blood flow decreases, and fluid loss. Venous sustained high pressure, tissue water and electrolyte decreased, protein, protein binding increased concentration. The blood flow is obstructed and the activity of fibrinogen increases. Cells to continue metabolism, increase metabolic products such as lactic acid, less than a minute, after the needle into the blood vessels, try to relaxtourniquet. When using the tourniquet, ischemia (hypoxia) occurs, which leads to changes in the concentration of some components. For example, the concentration of BuN begins to decrease 80 seconds after the pulsation of cinnamon, which can be reduced by 4% between 120 seconds and 20 seconds, and returns to normal after 240 seconds. After 3 minutes of tourniquet, the concentrations of AB, Ca, ALP, AST, Fe, CHo, etc. may rise by 5% ~ 10% respectively, and the bandage may be anoxic for 3 minutes than for 1 minute. At this time, the anaerobic fermentation of sugar increases, lactic acid rises and pH decreases. Especially when measuring lactic acid, it cannot be used.tourniquet.
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