Sealed needle assembly for medicament delivery device
AssigneeSanofi-Aventis Deutschland GmbH
InventorMichael Helmer
Life of this patent
Estimating the term…
Abstract
The disclosure relates to a needle assembly adapted to couple with a medicament delivery device including a needle having a proximal tip and a distal tip, a needle hub coupled to the needle, a body adapted to engage the needle hub, a removable needle cap adapted to cover the distal tip, and a removable sealing element. The sealing element is adapted to seal an open proximal end of a compartment of the body, including the proximal tip, in such a manner that the proximal tip is housed in a sealed environment before use of the needle. The disclosure further relates to a medicament delivery device including such a needle assembly.
Claims20
A needle assembly adapted to couple with a medicament delivery device, the needle assembly comprising:
- a needle having a proximal tip and a distal tip;
- a needle hub coupled to the needle;
- a body adapted to engage the needle hub, wherein the body comprises a compartment that surrounds the proximal tip of the needle;
- a removable needle cap adapted to cover the distal tip;
- and
- a removable sealing element adapted to seal an open proximal end of the compartment of the body in such a manner that the proximal tip is housed in a sealed environment before use of the needle, wherein the removable sealing element is coupled to the needle cap such that the removable sealing element is removable from the compartment of the body when the needle cap is removed from the distal tip.
A medicament delivery device comprising a needle assembly, the needle assembly comprising:
- a needle having a proximal tip and a distal tip;
- a needle hub coupled to the needle;
- a body adapted to engage the needle hub, wherein the body comprises a compartment that surrounds the proximal tip of the needle;
- a removable needle cap adapted to cover the distal tip;
- and
- a removable sealing element adapted to seal an open proximal end of the compartment of the body including the proximal tip in such a manner that the proximal tip is housed in a sealed environment before use of the needle, wherein the removable sealing element is coupled to the needle cap such that the removable sealing element is removable from the compartment of the body when the needle cap is removed from the distal tip.
Dependencies are inferred from the claim text.