Patent ID: 8109922
Filing Date: 2012-02-07
Classification: A61K,A61M,F16K

Abstract:
1. An orifice device for delivering one or more drugs comprising: an inner member having a proximal end and a distal end; a plurality of windings helically wound around the inner member, each winding defining a separate layer, each winding comprising at least one wire helically wound around the inner member; the plurality of windings and the inner member defining at least two separate channels for carrying one or more drugs therethrough and an inlet at the proximal end of each of the plurality of windings and an outlet at the distal end of the plurality of windings, and an outer member over the plurality of windings, and an intermediate sleeve defining at least two channels between at least two of the plurality of windings, the intermediate sleeve being tubular with a smooth interior surface and smooth exterior surface from a proximal end of the intermediate sleeve to a distal end of the intermediate sleeve.