Polylactide(PLA) is a kind of important biomedical material for its biodegradability in vivo, innocuity and safe, which has obtained great application in clinic.

• 聚丙交酯(PLA)是一种非常重要的生物医用材料,由于它在体内可降解、无毒、安全,在临床上得到了广泛的应用。