Patent ID: 6641394
Filing Date: 2003-11-04
Classification: A61C

Abstract:
A device for delivering a fluid to an interior space of a tooth, the device comprising:vacuum chamber; a dispensing chamber adapted to receive a fluid material; a first conduit having a first end in fluid communication with said vacuum chamber and a second open end; a second conduit having a first end in fluid communication with said dispensing chamber and a second open end; a first plunger disposed within said vacuum chamber and configured for movement to draw air into said vacuum chamber through said second open end of said first conduit; a second plunger disposed within said dispensing chamber and configured for movement to discharge the fluid material from said dispensing chamber through said second open end of said second conduit; and a sealing surface disposed proximate said second open ends of said first and second conduits and operative to at least assist in forming a substantially air-tight seal between the first and second conduits and the interior space of the tooth when said first and second conduits are positioned in fluid communication with the interior space, wherein the vacuum chamber and the dispensing chamber are positioned within a unitary body configured for handheld use on a patient.