尿道修复术用于尿道损伤和尿道狭窄中有一定的失败率,其原因除与手术因素有关外,与感染、出血、不合理的尿道扩张以及支架管的脱出或安放不当也有密切关系。我们设计了一种塑料和硅胶的环形支架管能防止以上情况的发生,取材方便,护理简单,从1983年12月至1987年5月先后应用了19例,无一例失败,现介绍如下。 Urethral repair for urethral injury and urethral stricture in a certain failure rate, in addition to its causes and surgical factors, but also with infection, bleeding, unreasonable urethral dilatation and stent prolapse or improper placement is also closely related. We designed a plastic and silicone ring stent tube to prevent the occurrence of the above conditions, easy access, care and simple, from December 1983 to May 1987 has applied 19 cases, without exception, are described below.