Importance

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Abstract

A filling apparatus for, a filling system for and a method of introducing into a container a suspension or solution of a substance, in particular a pharmaceutical substance, in a propellant under pressure, the filling apparatus comprising: a main body (4) including a passageway (20) having an inlet opening (21) and first and second outlet openings (25, 22), the first outlet opening (25) communicating, in use, with a valve stem (144) extending from a head (141) of a body (139) of a container (138); a fill actuator (7) in communication with the inlet opening (21) of the passageway (20) comprising a filling valve assembly (29) for selectively introducing propellant under pressure containing a substance in a suspension or solution into the passageway (20); an exhaust actuator (10) in communication with the second outlet opening (22) of the passageway (20) comprising an exhaust valve assembly (48) for selectively exhausting propellant under pressure containing substance from the passageway (20) and including at least one exhaust gas conduit (84, 92, 93) having an outlet (86, 94, 95) configured so as, in use, to provide a flow of exhaust gas substantially aligned with a flow of propellant containing substance from the second outlet opening (22) of the passageway (20); and a container-engaging body (16) for receiving, in use, the head (141) of the body (139) of the container (138) which includes the valve stem (144).

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First Claim