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US 2020/0384195 A1Published application
Wearable injection device
AssigneeSubcuject Aps
InventorClaus Schmidt MØLLER
Life of this patent
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Abstract
A wearable injection device for subcutaneous injection of a therapeutic agent, wherein the dose is injected over a specified period of time after the device is activated.
Claims2
A wearable injection device, comprising
- a cartridge with a septum and a movable plunger and containing a therapeutic agent to be injected, and
- a needle assembly, the needle assembly further comprising:
- a first part with a needle being adapted to penetrate an injection site on the skin of a user and being movable in a direction mainly perpendicular to the axis of the cartridge,
- a second part with a portion being adapted to penetrate the septum of the cartridge and being movable in a direction mainly parallel to the axis of the cartridge, and
- a spring maintaining the first part in an initial position,
- wherein the needle of the first part in the initial position is hidden within the wearable injection device,
- wherein, during activation of the device, the first part with the needle is moved against the biasing of the spring to penetrate the injection site and the second part is moved to penetrate the septum of the cartridge and to lock the first part in the inserted position, and
- wherein a fluid communication between the first part and the second part is established simultaneous with or after the locking of the first part in the inserted position.
5 more elements
Dependencies are inferred from the claim text.