The biodegradable PLGA controlled drug delivery system with large array of micro chambers is a new type drug delivery micro device. The structure of the micro-system is designed combining the drug release condition and the biodegradable characteristic of the polymer and fabricated using the MEMS technology. 多腔体的微型可降解高分子聚合物PLGA药物缓释系统是一种新型植入式给药微器件,其载体结构是结合药物释放的要求和高分子聚合物生物降解特性进行设计并利用MEMS工艺制备。