Injection device

Details Injection device Injection device

A - Human Necessities

61

M

A61M 5/32 (2006.01)

Patent

CA 2728099

The invention relates to an injection device (1), which comprises a support housing (2), an activating sleeve (9), a cartridge (3) containing a medicine (14), a first drive unit (4), a safety device (5), a needle arrangement (6), a needle pro-tection element (7) and a second triggerable drive unit (8), whereby the latter moves the needle protection element (7) from the non-effective position into the position covering one needle end (21) of a cannula (20). The support housing (2) is surrounded over most of its longitudinal extension between its distal and proximal end (11, 12) by the activating sleeve (9), whereby the needle protection element (7) with the second drive unit (8) cooperating therewith is arranged radially between the support housing (2) and the activating sleeve (9), as viewed in axial cross section.

L'invention concerne un dispositif d'injection (1) comprenant un corps de support (2), un manchon d'activation (9), une carpule (3) contenant un médicament (14), un premier module d'entraînement (4), un dispositif de sécurité (5), un ensemble aiguille (6), un protège-aiguille (7) ainsi qu'un second module d'entraînement (8) pouvant être déclenché, ce second module d'entraînement déplaçant le protège-aiguille (7) de la position dans laquelle ce dernier n'est pas actif à la position dans laquelle ledit protège-aiguille recouvre une extrémité d'aiguille (21) d'une canule (20). Le manchon d'activation (9) entoure le corps de support (2) sur la majeure partie de son extension longitudinale entre son extrémité distale et son extrémité proximale (11, 12), le protège-aiguille (7) et le second module d'entraînement (8) qui coopère avec ce dernier étant placés, vus en coupe axiale, entre le corps de support (2) et le manchon d'activation (9).

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