| 原理概述 |
| 添加时间：2018/3/27 16:47:21 浏览次数： |
| 原理概述 An overview of the principles 止血带止血是用于四肢大出血急救时简单、有效的止血方法，它通过压迫血管阻断血行来达到止血目的。但如使用不当或使用时间过长，止血带可造成远端肢体缺血、坏死，造成残废，为此，只有在出血猛烈，用其它方法不能止血时才能应用止血带。 Tourniquet of tourniquet is a simple and effective method for hemostasis for large hemorrhage of extremities. It can stop blood by blocking blood vessels to achieve the purpose of hemostasis. However, if it is not used properly or for a long time, tourniquet can cause ischemia and necrosis of the distal extremities, resulting in disability. For this reason, tourniquet can only be applied if bleeding is fierce and other methods can not stop bleeding. 止血带以橡皮条或橡皮管为好，不宜用布带、电线等无弹性的带子。绑扎位置应在伤口的上方（近心端），并尽量靠近伤口，以上臂的上1/3和大腿上中部为好，小腿和前臂不能上止血带，因该处有两根骨头，血管正好走在两骨之间，上止血带起不到压迫血管的作用。上臂的中1/3部位亦不能上止血带，因它可能引起神经损伤而致手臂瘫痪。 Rubber or rubber tube tourniquet as well, no elastic cloth belt, wire should not be used. Binding should be in the position above the wound (Jin Xinduan), and as close as possible to the wound, the upper arm and thigh central 1/3 as well, not the calf and forearm tourniquet, because there are two bones, vessels just walk in between two bones, no tourniquet for vascular compression. The middle 1/3 of the upper arm is also unable to take the tourniquet, because it may cause nerve injury to the paralysis of the arm. |
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