Objective To prepare a sustained-release formulation of lidocaine-liposomal lidocaine, study the formulation and preparation of liposomal lidocaine, and evaluate its quality.

• 摘要目的研制利多卡因的一种缓释长被制剂-利多卡因脂质体，并对其制备工艺进行研究，且评价其质量。