Patent ID: 8337473
Filing Date: 2012-12-25
Classification: A61M

Abstract:
1. A dispenser adapted to contain a substance to be applied on a human or animal patient, comprising: a plunger; a tube, the plunger being adapted to slide inside the tube for application of the substance, the tube containing a plurality of openings at a first end region thereof, the first end region of the tube having a planar face, the plurality of openings being located on the planar face of the first end region, the planar face of the first end region being adapted to spread the substance on a skin region of the human or animal patient during application of the substance to the skin region; a perforated element located inside the tube, the perforated element having a height that provides a distance between perforations of the perforated element and the first end region, wherein location of the perforated element inside the tube is such that the substance to be applied is adapted to be disposed inside the tube above the perforated element before application, and wherein, during use of the dispenser, the plunger slides inside the tube to push the substance through the perforated element and through the plurality of openings at the first end region of the tube, thus expelling the substance from the dispenser for application on the human or animal patient, the height further defining a maximum length of run of the plunger inside the tube during use of the dispenser; wherein correspondence or lack of correspondence between perforations of the perforated element and the plurality of openings on the planar face is selectable to obtain a desired path length and a consequent desired application delay of the substance on the skin of the human or animal patient.