Patent ID: 7172418
Filing Date: 2007-02-06
Classification: A61C

Abstract:
1. An orientation independent dental powder applicator comprising: a powder reservoir having an inner porous wall extending around a longitudinal axis and surrounding an inner chamber, and an outer porous wall extending around the inner porous wall; an outer circumferential plenum chamber extending around the longitudinal axis and substantially surrounded by the outer porous wall; an introductory circumferential plenum chamber extending around the longitudinal axis and substantially surrounding the outer porous wall; a dental powder located in the powder reservoir between the inner porous wall and the outer porous wall; a desiccant chamber containing a desiccant material having a first end with an air input opening and a second end fluidly coupled to the introductory circumferential plenum chamber of the powder reservoir; and an applicator tube comprising a proximal end fluidly coupled to an inner circumferential chamber and a distal end adapted to deliver the dental powder to a dental site.