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3 天
专题笔谈|内镜技术在肠瘘诊治中的应用
根据材质的不同,支架可分为自膨胀塑料支架(self-expandable plastic stent,SEPS)、自膨胀金属支架(self-expandable metal stent,SEMS)和生物降解支架(biodegradable stent,BDS)。目前临床上主要使用金属和塑料材质的支架。塑料支架通常由聚酯骨架构成,表面覆盖硅胶膜 ...
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