Title:
INJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO2006057604
Kind Code:
A8
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.
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Inventors:
OLSON STEPHAN (SE)
Application Number:
PCT/SE2005/001764
Publication Date:
December 14, 2006
Filing Date:
November 24, 2005
Export Citation:
Assignee:
SHL MEDICAL AB (SE)
OLSON STEPHAN (SE)
OLSON STEPHAN (SE)
International Classes:
A61M5/20; A61M5/315; A61M5/32
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