Injection device for performing medical injections

The present invention concerns a prefilled injection device having a container and a dose setting mechanism encapsulated inside the housing. The injection device incorporates an axial variable connection such that the distance between the distal end of the piston rod means and the plunger is minimiz...

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Bibliographic Details
Main Authors JENSEN JACOB KOLLERUP, JESPERSEN FRANK ANDREAS, RADMER BO, WIELANDT JAKOB OEST, MARKUSSEN TOM HEDE
Format Patent
LanguageChinese
English
Published 24.04.2013
Subjects
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Summary:The present invention concerns a prefilled injection device having a container and a dose setting mechanism encapsulated inside the housing. The injection device incorporates an axial variable connection such that the distance between the distal end of the piston rod means and the plunger is minimized preferably to zero during assembly. The container and the dose setting mechanism are then mutually fastened, e.g. by laser welding. Consequently, possible clearance in assembly process of the injection device is obviated and priming of the device before an injection becomes redundant.
Bibliography:Application Number: CN200980103373