abstract |
A local solid-forming anesthetic formulation comprising: a local anesthetic comprising lidocaine, tetracaine, prilocaine, ropivacaine or bupivacaine or mixtures thereof, in which the total amount of local anesthesia is 4% by weight to 15% by weight. weight based on the total formulation, from 12% by weight to 30% by weight of polyvinyl alcohol and water characterized in that the ratio of water to polyvinyl alcohol is greater than 2.5. |