血管与非血管内支架(Stent)是临床用于支撑体内狭窄的管状结构或新建立通道的内用假体(endoprothesis)。早在1969年,Dotter 就在他的实验室内进行了内支架的实验研究,1983年他有首创了镍钛记忆合金螺旋管状支架结构内支架,之后,Gianturco、Palmaz、Rosch 分别创造了不同支架。目前,常用的支架有 Wallstent、Pal-maz、Strecker、Rabkin 等镍钛合金支架。国产支架正在应用中,且取得了瞩目成就。支架的开发及临床应用促进介入放射学向纵深发展,是介入放射学的又一新的里程碑。 Vascular and non-vascular stents are clinically used to support stenotic tubular structures in the body or newly created endoprosthetic channels. As early as 1969, Dotter conducted an experimental study of the stent in his laboratory. In 1983, he pioneered the inner stent of the nitinol stent. After that, Gianturco, Palmaz and Rosch respectively created different stents . At present, the commonly used stent with Nickel-titanium stent such as Wallstent, Pal-maz, Strecker, Rabkin. China-made stent is being applied, and made remarkable achievements. The development and clinical application of stents to promote the further development of interventional radiology is another new milestone in interventional radiology.