Patent ID: 7882863

Claim:
An apparatus for transferring medications from a vial into an infuser container having a fill port, which comprises in combination: a three-way valve having a first port, a second port and a third port, wherein said three-way valve comprises: a hollow cylinder having an open end and a closed end, a wall having an inner surface, and the closed end having an inner surface; means for transferring medications through the wall of said hollow cylinder through the second port; means for transferring medications through the closed end of said hollow cylinder through the third port; a solid cylinder having an outer surface and adapted to rotate within said first cylinder such that medications do not flow between the outer surface of said solid cylinder and the inner surface of the cylindrical wall, and between the outer surface of said solid cylinder and the inner surface of the closed end of said hollow cylinder, said solid cylinder further comprising: means for transferring medications from said vial through the first port to a first duct in said solid cylinder adapted for permitting medications to pass between said vial and said means for transferring medications through the wall of said hollow cylinder, and means for transferring medications through a second duct in said solid cylinder for permitting medications to pass between said means for transferring medications through the closed end of said hollow cylinder and said means for transferring medications through the wall of said hollow cylinder; and means for rotating said solid cylinder relative to said hollow cylinder; means for connecting said vial to the first port such that medications can be transferred between said vial and said three-way valve; a syringe; means for connecting said syringe to the second port such that medications can be transferred between said syringe and said three-way valve; and means for connecting the fill port of said infuser container to the third port of said three-way valve such that medications can be transferred between said three-way valve and said container.