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Yongsheng Medical-specializing in medical consumables
Use a disposable tourniquet to save lives in distress
Data: 2022-05-16
Disposable tourniquetMainly rubber tourniquet and cloth tourniquet, mainly used for first aid.Disposable tourniquetThe use of is relatively simple, but the principle is more complex. Only by accurately grasping these principles and using them correctly can lives and limbs be saved, otherwise it will lead to amputation.
1.Before using a tourniquet, the injured limb should be elevated to allow venous blood to return to the body, thereby reducing blood loss.
2.Under the premise of effective hemostasis, the upper tourniquet should be as close as possible to the bleeding site. However, it is forbidden to use a tourniquet in the middle of the upper arm, because the radial nerve passes through the surface of the humerus, and pressing the tourniquet will cause radial nerve damage, making it difficult to restore function under the forearm in the future.
4.When using towels, handkerchiefs and other cloth tourniquets made on site, they should be folded into long strips with a width of about5Centimeters, so that the force is uniform.It is strictly prohibited for students to use wires, iron wires, strings and other thin and inelastic articles as tourniquets, because the management of our living articles not only has an unsatisfactory hemostatic effect in society but also damages the skin of patients, bringing a lot of troubles for future treatment and rehabilitation development.
5. When the tourniquet is tied, the tightness should be as high as arterial bleeding. If the upper belt is too tight, the skin, nerves, blood vessels and muscles of the tourniquet will be damaged, and even the distal end of the limb will be necrotic, which is not conducive to the recovery of the injured limb function. The upper belt is too loose to press the vein and the artery, and the blood just does not enter, which not only fails to stop bleeding, but also aggravates bleeding. Criteria for successful banding were cessation of distal arterial bleeding, loss of arterial pulsation, and albino of the extremities.
6.The injured person should be clearly marked on the tourniquet, and the time should be marked on the tourniquet or on the skin. To prevent ischemic necrosis of the injured limb, each40~60Minute relaxation tourniquet2For minutes, slowly loosen the tourniquet and press the wound to reduce bleeding. If the general condition is poor, the wound is large, and the amount of bleeding is large, the time interval for relaxing the tourniquet can be appropriately extended.But the total time of tourniquet use should not exceed5hours, otherwise the distal limb is difficult to survive.If the injured are still on their way to the hospital over9hours, the tourniquet will not be relaxed regularly because the distal limb is unlikely to survive.
Dying cells release toxic substances such as potassium, myoglobin, and peptides. If you release the limbs at this time,These toxic substances will flow into the body with the vein, resulting in poisoning, can lead to cardiac arrest and sudden death.Similarly, during first aid in the earthquake-stricken area, if the injured limb is buried under pressure for too long, ischemia and hypoxia cause tissue necrosis, in order to prevent toxins from returning to the whole body, the compressed limb should be quickly ligated with a tourniquet, and then the crushed material should be taken out and sent to the hospital for further treatment.
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