Drug delivery device with an improved piston rod

Details Drug delivery device with an improved piston rod Drug delivery device with an improved piston rod

A - Human Necessities

61

M

A61M 5/315 (2006.01)

Patent

CA 2757047

An improved pen-type drug delivery device is provided having a piston rod (20) that incorporates on its proximal end at least one guidepost (24) that is configured for transmitting axial and rotational forces from a drive mechanism. The device comprises a drug delivery device housing and a medicament contained in the drug delivery device housing.

L'invention porte sur un dispositif d'administration de médicament de type à stylo amélioré, comportant une tige de piston (20) incorporant, sur son extrémité proximale, au moins une colonne de guidage (24) configurée pour transmettre des forces axiales et rotatives à partir d'un mécanisme d'entraînement. Le dispositif comprend un boîtier de dispositif d'administration de médicament et un médicament contenu dans le boîtier de dispositif d'administration de médicament.

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