Injection Device
AssigneeSHL Group AB
InventorsStephan Olson, Lennart Brunnberg
Life of this patent
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Abstract
Injection device comprising a tubular elongated main body, a needle shield slidably arranged in said main body, a needle shield link slidably connected to said needle shield, a cartridge containing medicament arranged in said main body, a needle connected to said cartridge, a plunger operatively arranged to said cartridge for ejecting said medicament through said needle and arranged on its upper part with a number of outwardly extending stop members, spring means arranged to said plunger for operating said plunger, a dose activating means, a needle shield spring surrounding the needle shield link. The injection device is capable of setting and delivering a certain preset dose.
Claims21
1-13. (canceled)
A tubular rotator for a medicament injection device comprising a needle shield and a plunger, wherein:
- said tubular rotator is configured to be rotationally and slidably arrangeable at least partially inside said needle shield, and said tubular rotator is configured to slidably and moveably receive said plunger inside, so as to enable a relative movement between them,
- said tubular rotator comprises a plurality of ridges and a plurality of protrusions on its outer surface configured to cooperate with guide members arranged on the inner surface of the needle shield for said rotation and slide of the tubular rotator.
Dependencies are inferred from the claim text.