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DISPOSITIF D'INJECTION AVEC RESSORT DE COMPRESSION POUR VENIR EN PRISE AVEC DES ÉLÉMENTS D'ENCLIQUETAGE, POUR SOLLICITER UN BOUTON D'ACTIONNEMENT, ET POUR SOLLICITER UN ÉLÉMENT DE VERROUILLAGE DANS UN MODE DE RÉGLAGE DE DOSE
专利权人:
SANOFI
发明人:
MARSH, William,MORRIS, Anthony Paul,BUTLER, Joseph,JONES, Matthew
申请号:
EPEP2015/064967
公开号:
WO2016/001293A1
申请日:
2015.07.01
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
The present invention is generally directed to an injection device for selecting and dispensing a number of user variable doses of a medicament. The injection device comprises a housing (10) having a longitudinal axis (I), a dose setting member (60; 80) rotatable relative to the housing (10) during dose setting, a drive member (40) which is rotationally constrained to the housing (10) in a first dose setting mode and which is rotatable relative to the housing (10) in a second dose dispensing mode, a locking element (100) which is permanently rotationally constrained to the housing (10) and movable relative to the housing (10) in a direction parallel to the longitudinal axis (I) between a first dose setting position and a second dose dispensing position, an actuation button (70) movable relative to the housing (10) in a direction parallel to the longitudinal axis (I) between a first dose setting position and a second dose dispensing position for switching the injection device between the first dose setting mode and the second dose dispensing mode, a ratchet (42, 120) for transmitting torque from the dose setting member (60) to the drive member (40) during dose dispensing and allowing relative rotational movement between the dose setting member (60) and the drive member (40) during dose setting, the ratchet (42, 120) comprising first ratchet features (43) rotationally constrained to the driver (40) and second ratchet features (121) rotationally constrained to the dose setting member (60), and a spring (130). The spring (130) biases the locking element (100) and the actuation button (70) into their first dose setting position and biases the first ratchet features (43) into engagement with the second ratchet features (121).La présente invention concerne de façon générale un dispositif d'injection pour sélectionner et distribuer un certain nombre de doses d'un médicament variables selon l'utilisateur. Le dispositif d'injection comprend un boîtier (10) ayant un axe longit
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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