Filling aid and methods for self-filling a cartridge
AssigneeRoche Diabetes Care, Inc.
InventorFrank Deck
Life of this patent
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Abstract
A filling aid for self-filling a cartridge from a storage vessel is disclosed. The filling aid has a housing that receives a fillable cartridge. A stopper is provided that interacts with the housing and is configured to enter the cartridge and a cannula is provided that is configured to pierce a septum of the cartridge. The housing is movable from an initial position in which the stopper is maintained outside the cartridge to an activated position in which the stopper is inserted in the cartridge and the septum is pierced by the cannula. Methods of manufacturing and using the filling aid are also disclosed.
Claims18
A filling aid for self-filling a cartridge from a storage vessel, the filling aid comprising:
- a housing configured to receive the cartridge;
- a stopper that interacts with the housing and is configured to enter the cartridge;
- and
- a cannula configured to pierce a septum of the cartridge;
- wherein the housing is movable from an initial position in which the stopper is maintained outside the cartridge to an activated position in which the stopper is inserted in the cartridge and the septum is pierced by the cannula.
A method of manufacturing a filling aid for a self-fillable cartridge, the method comprising:
- i) providing a housing for receiving the cartridge;
- ii) providing a stopper configured to interact with the housing, the stopper being configured to enter the cartridge;
- iii) providing a cannula configured for piercing a septum of the cartridge;
- and
- iv) maintaining the stopper outside of the cartridge, wherein the stopper is arranged such that, upon activation of the housing, the stopper is inserted into the cartridge.
A method of using a filling aid for self-filling a cartridge from a storage vessel, the method comprising:
- a) providing a housing, a stopper and a cannula;
- b) placing the cartridge in the housing in an initial position of the housing in which the stopper is maintained outside the cartridge;
- and
- c) moving the housing to an activated position during which the stopper is inserted in the cartridge and the septum is pierced by the cannula.
Dependencies are inferred from the claim text.