Patent ID: 7442180

Claim:
An apparatus for administering a bioactive composition to a subject, comprising: a plurality of inkjet dispensers, each inkjet dispenser being operable to dispense discrete quantities of droplets of the bioactive composition; a mixing unit having a plurality of mixing chambers, each mixing chamber being configured to receive the bioactive composition dispensed from a respective inkjet dispenser, each mixing chamber having an inlet for receiving an infusion liquid to be mixed with the bioactive composition and an outlet for discharging a mixture of the infusion liquid and the bioactive composition; and a plurality of fluid reservoirs for containing the bioactive composition, each fluid reservoir being fluidly connected to a respective inkjet dispenser; wherein each inkjet dispenser comprises an ejection orifice, the ejection orifices being formed in a die interposed between the fluid reservoirs and the mixing chambers, each ejection orifice being fluidly connected to a respective fluid reservoir and operable to eject a controlled amount of the bioactive composition into a respective mixing chamber.