Injection device with torsion spring and rotatable display

Details Injection device with torsion spring and rotatable display Injection device with torsion spring and rotatable display

A - Human Necessities

61

M

A61M 5/145 (2006.01) A61M 5/315 (2006.01)

Patent

CA 2584762

The present invention relates to an injection device comprising a torsion spring operatively connected to a dose setting member being adapted to set a dose to be ejected from the injection device. A rotatably mounted display member adapted to display the dose to be ejected in accordance with a setting of the dose setting member is also provided. The rotatably mounted display member is adapted to be rotated over an angle corresponding to at least one revolution of the display member. The display member may be implemented as a dose indicator barrel having numerals arranged along a helical path on an outer surface thereof, or alternatively, as a counting device having two or more display wheels having numerals arranged on an outer surface thereof.

L'invention concerne un dispositif d'injection comprenant un ressort de torsion relié fonctionnel à un élément de réglage de dose conçu de manière à régler une dose devant être éjectée du dispositif d'injection. Un élément d'affichage monté rotatif destiné à afficher la dose à éjecter en fonction d'un réglage de l'élément de réglage de dose est également fourni. L'élément d'affichage monté rotatif est conçu pour tourner autour d'un angle correspondant à au moins une révolution de l'élément d'affichage. L'élément d'affichage peut être mis en oeuvre en tant que support indicateur de dose possédant des chiffres disposés le long d'un chemin hélicoïde sur une surface externe du support, ou dans un autre mode de réalisation, en tant que dispositif de comptage comportant deux ou plusieurs roues d'affichage avec des chiffres disposés sur une surface externe de celles-ci.

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