The primary results showed that ploymer foams of PLGA had good biocompatibility in vitro ,and there was no significant toxicity to body.

• 术后各时间点,材料植入处肌组织无明显炎症反应,随着时间推移,泡沫材料占位空间逐渐缩小,证实了植入材料的可降解性。