Discharge head for the nasal application of liquid from a pressure reservoir

A discharge head for the nasal application of pharmaceutical liquid from a pressure reservoir having an outlet valve with a valve connector, to which valve connector a force can be applied counter to a spring force in order to open the outlet valve, the discharge head comprising:

• a base and a coupling device provided on the base, the discharge head being fastenable to the pressure reservoir via the coupling device;
• an actuating surface disposed externally on the discharge head and shiftable in relation to the base, and a plunger configured as a hollow tube disposed on the base, said plunger being shiftable together with the actuating surface for the purpose of applying the force to the valve connector of the pressure reservoir;
• and
• a nasal applicator extending outward from the actuating surface and having an end with a discharge opening, said discharge opening being connected in a fluid-communicating manner to the hollow tube through an applicator channel of the nasal applicator, the nasal applicator having an inner component connected integrally to the actuating surface and an outer component separate from the inner component and attached to the inner component in a surrounding manner, the discharge opening being provided as an opening in the outer component, the outer component and the inner component together bounding the applicator channel, the inner component having a first sleeve portion, the outer component having a second sleeve portion, an outer side of the first sleeve portion having fixing means or guide means fastening the outer component to, or guiding the outer component on, the inner component, and an inner side of the first sleeve portion has a sealing surface, the second sleeve portion lying against the sealing surface in a sealing manner such that a common interior of the first and second sleeve portions forms a portion of the applicator channel, the discharge opening being fluidly connected to the plunger by the portion of the applicator channel.

A dispenser for discharging pharmaceutical liquids, comprising:

• a pressure reservoir storing pharmaceutical liquid under pressure, the pressure reservoir having an outlet valve, the outlet valve having a valve connector;
• a discharge head for coupling to the pressure reservoir, the discharge head comprising:
• a base and a coupling device provided on the base, the discharge head being fastenable to the pressure reservoir via the coupling device;
• an actuating surface disposed externally on the discharge head and shiftable in relation to the base and a plunger configured as a hollow tube disposed on the base, the plunger being shiftable together with the actuating surface to apply a force counter to a spring force to the valve connector of the pressure reservoir to open the outlet valve;
• and
• a nasal applicator extending outward from the actuating surface and having an end with a discharge opening, the discharge opening being connected in a fluid-communicating manner to the hollow tube through an applicator channel of the nasal applicator, the nasal applicator having an inner component connected integrally to the actuating surface, an outer component separate from the inner component and attached to the inner component in a surrounding manner, the discharge opening being provided as an opening in the outer component, the outer component and the inner component together bounding the applicator channel, the outer component being attached to the inner component such that, in an attached state, the outer component is movable relative to the inner component, and the inner component and the outer component being configured such that the applicator channel is variable in cross-section by a relative shifting of the inner component and the outer component.

A discharge head for the nasal application of pharmaceutical liquid from a pressure reservoir having an outlet valve with a valve connector, to which valve connector a force can be applied counter to a spring force in order to open the outlet valve, the discharge head comprising:

• a base and a coupling device provided on the base, the discharge head being fastenable to the pressure reservoir via the coupling device;
• an actuating surface disposed externally on the discharge head and shiftable in relation to the base, and a plunger configured as a hollow tube disposed on the base, said plunger being shiftable together with the actuating surface for the purpose of applying the force to the valve connector of the pressure reservoir;
• and
• a nasal applicator extending outward from the actuating surface and having an end with a discharge opening, said discharge opening being connected in a fluid-communicating manner to the hollow tube through an applicator channel of the nasal applicator, the nasal applicator having an inner component connected integrally to the actuating surface and an outer component separate from the inner component and attached to the inner component in a surrounding manner, the discharge opening being provided as an opening in the outer component, the outer component and the inner component together bounding the applicator channel, the outer component being attached to the inner component such that, in an attached state, the outer component is movable solely in a rotational manner in relation to the inner component, and the inner component and the outer component are configured such that the applicator channel is variable geometrically by a relative shifting of the inner component and the outer component.