A closed-
system grinding syringe (10, 110) is provided for liquefying and delivering a
solid dosage form (20), including a
barrel (22), a fluid port (30) disposed on a bottom wall (28) of the
barrel (22), and a
plunger (32). A head (36) of the
plunger (32) is insertable into and moveable within the
barrel (22) such that (a) a portion of the barrel (22) defines a closed-
system syringe chamber (46) between the bottom barrel wall (28) and a lower surface (64) of the
plunger head (36), and (b) a plunger-head annular seal (42) forms a fluid-tight seal between an outer surface (44) of the plunger head (36) and a cylindrical inner surface (26) of the barrel (22). A
solid-dosage-form support disc (60, 360) is disposed below a bottom plunger wall (38) so as to define a
grinding compartment (62) between the lower surface (64) of the bottom plunger wall (38) and an upper surface (66) of the
solid-dosage-form support disc (60, 360), and is shaped so as to define a plurality of holes (68, 368) through the solid-dosage-form support disc (60, 360).