Inventors:
James E. Scurlock - Seattle WA
Benson M. Curtis - Seattle WA
Assignee:
Virginia Mason Research Center - Seattle WA
International Classification:
A61K 3114
Abstract:
This disclosure describes a method for providing ultra-long local anesthetic effects. The method comprises administering an N,N,N-triethyl-N-alkyl ammonium salt wherein the alkyl group contains from 8 to 16 carbon atoms. The local anesthetic effect producing quaternary ammonium salts and pharmaceutical preparations containing such quaternary salts are also described.