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下肢疾病如骨折、股骨头坏死、大隐静脉曲张等是外科常见病。手术开始前，巡回护士需配合第一助手将病人患肢托起消毒，但由于病人麻醉后肌肉松驰，不能配合；有些肥胖病人肢体重，护士用手托起时非常吃力；且有骨折时，需边消毒边牵引，时间稍长就感到力不从心，以致影响消毒
Lower limb diseases such as fractures, femoral head necrosis, and saphenous varicose veins are common surgical diseases. Prior to the start of the operation, the patrolling nurse must cooperate with the first assistant to displace the patient’s limbs, but because the patient’s muscles are relaxed after anesthesia, they cannot cooperate. Some obese patients have limb weights, and the nurses are very difficult to lift with their hands; when there is a fracture, , Need to be sterilized while hauling, it takes a little longer to feel powerless, resulting in the impact of disinfection