Objective To assess the efficacy, safety and feasibility of a new biodegradable poly-lactic acid stent in repair of bile duct injury.
目的评价一种新型的可降解聚乳酸支架在胆管损伤胆管修复中的支撑作用和其安全性以及可行性。
Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.
聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。
In this paper, synthesis of poly (lactic acid) and its copolymer, influence factors are introduced, and new polymerization methods are also introduced.
介绍了聚乳酸及其共聚物的合成方法及影响因素，并介绍了几种新的聚合方法。
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