Injection Device
4 Assignments
0 Petitions
Accused Products
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 enclosure containing medicament arranged in said main body, a needle connected to said enclosure, a plunger operatively arranged to said enclosure 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 invention is characterised in that said injection device further comprises a first tubular member rotationally and slidably arranged inside said needle shield link, said tubular member comprises a number or ridges and protrusions on both its outer and inner surfaces, said ridges and protrusions on the outer surface of the tubular member co-operate with guide members arranged on the inner surface of said needle shield link, said ridges and protrusions on the inner surface of the tubular member co-operate with the outwardly extending stop members of the plunger that said injection device further comprises a second tubular member arranged inside said housing, arranged and designed with a number of ridges and protrusions on its inner and outer surfaces capable of setting and delivering a certain preset dose.
147 Citations
27 Claims
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1-13. -13. (canceled)
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14. An injection device, comprising:
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a tubular elongated main body, a needle shield unit slidably arranged in the main body, a cartridge containing medicament arranged in the main body, a plunger operatively arranged to the cartridge for ejecting the medicament through a needle attached to the cartridge and arranged on its upper part with a number of outwardly extending stop members, spring means arranged to the plunger for operating the plunger, a dose activating means, a needle shield spring arranged to act on the needle shield unit, a first tubular member rotationally and slidably arranged inside the needle shield unit, wherein the first tubular member comprises a number or ridges and protrusions on both its outer and inner surfaces, the ridges and protrusions on the outer surface of the first tubular member co-operate with guide members arranged on the inner surface of the needle shield unit, and the ridges and protrusions on the inner surface of the first tubular member co-operate with the outwardly extending stop members of the plunger, and a second tubular member arranged inside the housing, wherein the second tubular member comprises a number of ridges and protrusions on its inner and outer surfaces capable of setting and delivering a certain preset dose. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification