Medicine composition containing ropivacaine or medicinal salts of ropivacaine

The invention provides a medicine composition containing ropivacaine or medicinal salts of ropivacaine. The medicine composition contains the active ingredient ropivacaine or medicinal salts of ropivacaine and a solvent composition capable of dissolving the medicinal active ingredient, wherein the solvent composition contains higher fatty acid or ester which is adopted as a carrier. A prepared ropivacaine emulsion or oily liquid with high stability and sustainable release can directly be applied to an affected area, the medicinal action time is shortened, side effects of the drug is reduced, and clinical needs can be met greatly. 本发明提供了一种含有罗哌卡因或其药用盐的组合物，该组合物中含有活性成分罗哌卡因或其药用盐以及可溶解药物活性成分的溶剂组合物，其中溶剂组合物中含有作为载体的高级脂肪酸或酯，本发明制备的具有高稳定性、可持续释放的罗哌卡因乳剂或油状液体可直接作用于患处，缩短了药物作用时间，减少了药物的副作用，极大满足了临床需求。