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.
目的：评估深静脉导管在小儿困难导尿中的应用价值。
Objective: to assess the value of central venous catheter in treatment of refractory urinary retention in children.
目的：评估深静脉导管在小儿困难导尿中的应用价值。
Objective: to assess the value of central venous catheter in treatment of refractory urinary retention in children.
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