PolyMilkAcid isMilkAcid condensation polymer, which is hydrolyzed in human tissuesMilkacid,MilkAcid is a metabolic product of the human body and can be furtherinto carbon dioxide and water, so polyMilkAcid has good degradability, can be made into a variety of different uses of medical materials, such as: biodegradableSutures, fracture internal fixation, tissue repair materials, and filling materials for diagnosis and treatment of retinal detachment. In addition, due to polyMilkThe acid itself is easy to film and can be used as aIdeal material for pharmaceutical delivery, widely used for sustained release of drugs/controlled release system.