The high-purity and low-molecular-weight gelation is dissolved in a hot water bath,and both inorganic salts and blowing agent are mixed together,then the stent is made by spinning machine.

• 方法:选用高纯度低分子量明胶为主要原料制备血管吻合用支架,利用该支架进行血管吻合操作,观察支架在体内和体外的溶解性能,并从超微结构方面进行研究。