Refill unit for incremental millilitre fluid refill
View Patent ↗A refill unit for a fluid container is providing. The refill unit has a housing defining a fluid path in fluid communication with an outlet and configured to be operatively engaged with the fluid container, a fluid reservoir having an ejection port arranged in fluid communication with the fluid path inside the housing, and an ejector assembly configured to incrementally eject between 6 ml and 50 ml per increment of fluid from the reservoir when the assembly is actuated by operative engagement of the fluid container with the housing.
1. A refill unit for a fluid container, said unit comprising:
a housing defining a fluid path in fluid communication with an outlet and configured to be operatively engaged with the fluid container;
a fluid reservoir having an ejection port arranged in fluid communication with the fluid path inside the housing; and
an ejector assembly configured to incrementally eject between 6 ml and 50 ml per increment of fluid from the reservoir when the assembly is actuated by operative engagement of the fluid container with the housing.
2. The unit of claim 1 , wherein the housing includes a collapsible reservoir storing the fluid and having the outlet at one end thereof.
3. The unit of claim 1 , wherein the outlet includes a syringe needle arranged to penetrate a valve seal of the fluid container.
4. The unit of claim 1 , wherein the housing defines a docking port including the outlet which is configured to dock with a refill port of the fluid container.
5. The unit of claim 1 , wherein the housing defines an aperture via which the fluid container actuates the ejector assembly.