Patent ID: 8251952

Claim:
An airless intravenous bag system, comprising: an intravenous bag including an intravenous solution compartment and an air chamber separated by one or more air tight seams, the air chamber further including an air column and an air reservoir separated by a mesh network; a funnel aperture, wherein the funnel aperture is positioned inside a bottom of the air column and is surrounded by an airless intravasculature infusion device that is positioned inside the air column; said airless intravasculature infusion device containing two half beads positioned at a base of the funnel aperture, the two half beads capable of being squeezed together; a buoyant bead inside the air column, wherein the buoyant bead is positioned in a locked position at the base of the funnel aperture when the intravenous bag is transported with intravenous solution in the intravenous solution compartment; and a solution channel of constant cross section extending from a position below the buoyant bead when in the locked position and into a bottom of the IV solution compartment, wherein the two half beads are embedded in the walls of said solution channel of constant cross section.