Valve assembly for drug delivery device
AssigneeBecton, Dickinson and Company
InventorChristina Rabolli
Life of this patent
Estimating the term…
Abstract
A valve assembly for a drug delivery device includes a valve housing, a cannula having a first end and a second end positioned opposite the first end, a valve boot connected to the valve housing and defining an interior space, a valve sleeve defining a cannula space, with the valve sleeve configured to move from a pre-use position where the first end of the cannula is received within the cannula space to a use position where the first end of the cannula extends outside of the valve sleeve and the cannula space, and a piercing member having a body with a piercing tip. The body of the piercing member has a first end and a second end positioned opposite the first end, with the piercing member engaged with the valve sleeve.
Claims14
A valve assembly for a drug delivery device, the valve assembly comprising:
- a valve housing having a first side and a second side positioned opposite from the first side;
- a cannula having a first end and a second end positioned opposite the first end, the cannula defining a central passageway;
- a valve boot connected to the valve housing and defining an interior space, the valve boot is configured to move from a pre-use position where the first end of the cannula is received within the interior space to a use position where the first end of the cannula extends outside of the valve boot and the interior space;
- a valve sleeve defining a cannula space, the valve sleeve is configured to move from a pre-use position where the first end of the cannula is received within the cannula space to a use position where the first end of the cannula extends outside of the valve sleeve and the cannula space;
- and
- a piercing member having a body with a piercing tip, the body of the piercing member having a first end and a second end positioned opposite the first end, the piercing member engaged with the valve sleeve, wherein the body of the piercing member defines a central passageway, the central passageway receiving a portion of the valve sleeve.
A drug delivery device comprising:
- a housing;
- a cartridge received within the housing, the cartridge configured to receive a medicament;
- a drive assembly received within the housing and configured to engage the cartridge and dispense medicament from the cartridge;
- a needle actuator assembly received within the housing, the needle actuator assembly comprising a patient needle configured to pierce a patient's skin;
- and
- a valve assembly, comprising:
- a valve housing having a first side and a second side positioned opposite from the first side,
- a cannula having a first end and a second end positioned opposite the first end, the cannula defining a central passageway,
- a valve boot connected to the valve housing and defining an interior space, the valve boot is configured to move from a pre-use position where the first end of the cannula is received within the interior space to a use position where the first end of the cannula extends outside of the valve boot and the interior space,
- a valve sleeve defining a cannula space, the valve sleeve is configured to move from a pre-use position where the first end of the cannula is received within the cannula space to a use position where the first end of the cannula extends outside of the valve sleeve and the cannula space, and
- a piercing member having a body with a piercing tip, the body of the piercing member having a first end and a second end positioned opposite the first end, the piercing member engaged with the valve sleeve, wherein the body of the piercing member defines a central passageway, the central passageway receiving a portion of the valve sleeve.
Dependencies are inferred from the claim text.