Parenteral therapy using solid drug

Claim 1

A parenteral delivery set for the administration of a beneficial drug formulation, the delivery set comprising: (a) a primary tube for the flow of a parenterally acceptable fluid therethrough; (b) a secondary tube for the flow of a parenterally acceptable fluid therethrough; (c) a formulation chamber having means for communicating with the secondary tube, the formulation chamber comprising: (1) a wall that surrounds an internal lumen; (2) an inlet in the wall adapted for letting a parenterally acceptable fluid into the formulation chamber; (3) a beneficial drug in solid dosage form presented in the formulation chamber in a therapeutically effective amount for executing a prescribed therapeutic program, which drug, when the delivery set is in use, is formulated with parenterally acceptable fluid that flows into the formulation chamber, which fluid is a pharmaceutically acceptable carrier for the drug and forms with the drug a formulation acceptable for parenteral administration; (4) an outlet in the wall for letting drug formulation leave the formulation chamber; (5) a film in the formulation chamber positioned between the drug and the outlet, said film formed of a polymeric composition that releases drug formulation from the formulation chamber; and, (d) a common tub having means for communicating with the primary tube for receiving fluid from the primary tube, and for communicating with the formulation chamber for receiving drug formulation from the formulation chamber.