Patent ID: 6319510
Filing Date: 2001-11-20
Classification: A61K,A61P

Abstract:
A gum pad for use in the mouth of a person comprising:(a) a nonporous first layer;(b) a second layer adjacent said nonporous first layer having a medication capable of being liquified by saliva retained in said second layer;(c) a semi-permeable third layer covering said second layer and sealed to said first layer to form a pocket enclosing said second layer,(d) wherein said semi-permeable third layer is permeable to saliva such that the saliva can penetrate therethrough to liquify the medication retained in said second layer and transport it by liquid diffusion back through said semi-permeable third layer; andwherein said first layer is made of a stable and flexible material and has an outer surface adapted to be installed in place on the gum in the mouth of the person using the gum pad, with said third layer facing outwardly toward oppositely facing mucosal tissues in the mouth.