NON-ADDICTIVE ANALGESIC SUSTAINED-RELEASE DRUG DELIVERY SYSTEM AND PREPARATION METHOD THEREOF

摘要

(1) an anesthetic analgesic drug having a concentration of 1 to 160 mg / ml (w / v) selected from a combination of local anesthetics, local anesthetics and non-steroidal analgesics and / or opioid analgesics; (2) a solvent selected from benzyl alcohol, ethanol, benzyl benzoate, ethyl lactate, tetraglycol and the like in a proportion of 1% to 75% (v / v); (3) Addictive narcotic analgesic sustained-release drugs, including drug-induced sustained release, in proportions of 25% to 99% (v / v) selected from natural vegetable oils, artificial synthetic oils, semi-natural plant oils and derivatives thereof Delivery system. The method and use of the sustained release drug delivery system.