Description:
Poly (L-Lactic Acid) (PLLA) is an important biodegradable polymer material, which is characterized by non-toxicity, biodegradable absorption, high strength, good plasticity, and easy processing and molding. PLLA is a biodegradable medical material and is mainly used in pharmaceutical fields such as controlled release systems for drugs, artificial skin, artificial blood vessels, partial fillers for bone and soft tissue defects, and bioresorbable scaffolds.