导尿术是临床上一项重要的基本操作,其操作简易,容易掌握。正确运用导尿术,能帮助医务人员有效地进行诊断和治疗工作,解除伤病员的痛苦。但是,错误的操作,不但无助于诊断和治疗,且可增加伤病员痛苦,甚至发生严重并发症。对于初学者或无经验者,切不可轻视这一操作。应熟知其有关知识,熟练其操作要领,并严格按操作规程办事。用于导尿的导尿管有橡胶导尿管和金属导尿管两类,一般导尿均用橡胶导尿管。硅橡胶导尿管具有刺激性小、尿盐不易沉析等优点,用于留置导尿更优于普通橡胶导尿管。导尿管有不同管径,分别选用于不同年龄的伤病员。膀胱穿刺术主要用于急需导尿而导尿失败者,其临床使用不如导尿术普遍。现将导尿术和膀胱穿刺术的适应证、操作步骤 Catheterization is an important clinical practice, its simple, easy to grasp. The correct use of catheterization can help medical staff to effectively diagnose and treat the work, relieve the pain of the wounded and sick. However, the wrong operation not only does not help diagnosis and treatment, but also can increase the suffering of the sick and wounded and even cause serious complications. For beginners or inexperienced, must not underestimate this operation. Should be familiar with its knowledge, be familiar with the essentials of its operation, and strictly in accordance with operating procedures. Catheter used for catheterization There are two types of rubber catheter and metal catheter, catheterization are generally used rubber catheter. Silicone rubber catheter with a stimulus, urinary salt is not easy precipitation, etc., for indwelling catheter is better than ordinary rubber catheter. Catheters have different diameter, were selected for different age of the wounded and sick. Bladder puncture is mainly used for catheterization in urgent need of catheterization and losers, its clinical use is not as common as catheterization. Now catheterization and bladder puncture indications, steps