Objective To investigate and evaluate the histocompatibility and absorbability of polyhydroxybutyrate/hydroxyvalerate(PH-BV) and polyhydroxybutyrate(PHB) , as biodegradable stents for tissue engineering heart valve.

• 目的 评价作为组织工程心脏瓣膜支架材料的聚羟基丁酸/聚羟基戊酸共聚物(Poly-hydroxybutyrate/hydroxy-valerate,PHBV)、聚羟基丁酸(Polyhydroxybutyrate,PHB)两种生物可吸收材料的组织相容性和皮下吸收情况。