Patent ID: 9125715
Filing Date: 2015-09-08
Classification: A61F,A61K,A61M,A61P

Abstract:
1. A punctal plug for delivering an active agent, the punctal plug comprising: a body comprising a first end, and a second end, wherein the first end is capable of being inserted in a human punctum; a tube inserted into a cavity in the body; an area comprising the second end of the body which is conducive to elution of the active agent than a remainder of the body; and two or more pulsatile delivery units arranged in a generally linear fashion within the tube, each unit comprising an active agent bead encapsulated by a water soluble layer, wherein each active agent bead comprises generally equal volumes and concentrations of an active agent, and wherein the arrangement of the pulsatile delivery units allow for a release of the active agent from the tube in multiple pulses of the active agent when the plug is exposed to tear fluid.