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US 9,802,008 B2Granted
Disposable pen needle with re-use prevention features
AssigneeBecton, Dickinson and Company
InventorTieming Ruan
Life of this patent
Estimating the term…
Abstract
A pen needle (521) for a drug delivery device (100) includes a hub (511) and a needle (502) fixedly connected to the hub (511). An outer cover (501) removably receives the hub (511) and the needle (502). A locking member (505) locks the hub (511) and the needle (502) in the outer cover (501). The hub (625) may have a colored portion (629) visible to the user to indicate that the needle (623) has been used.
Claims15
A needle assembly, comprising:
- a hub including a flange;
- a needle fixedly connected to said hub;
- an opaque inner cover removably connected to said hub for covering said needle;
- a translucent outer cover for removably receiving said inner cover, said hub and said needle, said outer cover including an undercut;
- and
- a color indicator visible only when said inner cover is disconnected from said hub, wherein
- said flange is locked to said undercut only when said inner cover is disconnected from said hub.
4 more elements
A needle assembly, comprising:
- an opaque inner cover, configured to be removably connected to a needle hub;
- and
- a translucent outer cover, configured to be removably connected to said opaque inner cover;
- wherein said needle hub has a visible indicator comprising a colored glue well, said colored glue well being of a different color than a remaining portion of the needle hub;
- wherein said opaque inner cover is further configured to visually obscure said visible indicator of said needle hub when said opaque inner cover is connected to said needle hub;
- and
- wherein said translucent outer cover is further configured to visually display said visible indicator of said needle hub when said opaque inner cover is disconnected from said needle hub and said translucent outer cover is connected to said needle hub.
4 more elements
A method of preventing reuse of a needle of a needle assembly for use with a drug delivery device, comprising the steps of:
- observing a visible indicator of a needle hub when contained within at least one of a translucent outer cover and an opaque inner cover, said translucent outer cover configured to be removably connected to said opaque inner cover, said visible indicator of said needle hub being visually obscured by said opaque inner cover when said opaque inner cover is connected to said needle hub, and said visible indicator of said needle hub being visually displayed by said translucent outer cover when said translucent outer cover is connected to said needle hub and when said opaque inner cover is disconnected from said needle hub, said visible indicator comprising a colored glue well, said colored glue well being of a different color than a remaining portion of the needle hub;
- if said visible indicator of said needle hub is visually displayed by said translucent outer cover, discarding said needle hub;
- and
- if said visible indicator of said needle hub is visually obscured by said opaque inner cover and said translucent outer cover, preparing said needle hub for use.
1 more element
Dependencies are inferred from the claim text.