由阿米尔·贝尔森发明的在顶端加一根引导管的四号型导尿管，可以避免因不小心而戳穿管壁。而这种事故会使医院每周花费上万美元。
By adding a guide wire to the tip of a standard IV catheter, Amir Belson invented an IV that won't poke vein walls by accident, a problem that can cost hospitals thousands of dollars a week.
新鲜空气量是通过水产导管顶部的整流罩壳牌通过管是针对我的脸。
Fresh air intake is through a NACA duct in the top of the fairing shell via a tube that is directed to my face.
强调选择合适浓度的肝素溶液封管、有效的皮肤消毒方法、棉质纱布的应用、导管材料的改进、合适的置管时间等的重要性。
It emphasized the importance of closing the tube with proper concentration of heparin, skin disinfection, cotton gauze, improvement of tube materials quality and the suitable indwelling time.
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