PHBV and PLGA were completely degraded at the 10th and 12th weeks, and substituted by collagen fibers.

• 10周聚羟基丁酸/聚羟基戊酸共聚物材料完全吸收，12周聚乙醇酸/聚乳酸共聚物材料完全吸收，均为胶原纤维所代替。