发明名称 |
AN INJECTION DEVICE HAVING A GEARING ARRANGEMENT |
摘要 |
<p>An injection device with a gearing arrangement providing a gearing ratio between axial movement of an injection button and axial movement of a piston rod. The injection device comprises a dose setting member being operable to set a dose by rotating the dose setting member relatively to a housing, about a rotational axis. During setting of a dose the gearing arrangement is prevented from rotating along with the dose setting member about the rotational axis. According to one aspect of the invention, the gearing arrangement comprises at least one gear wheel having a rotational axis which is non-parallel to, e.g. substantially perpendicular to, the rotational axis of the dose setting member. According to another aspect of the invention, the gearing arrangement comprises a driving spindle being provided with a threaded portion having a first pitch, and the piston rod is provided with a threaded portion having a second pitch. The gearing is provided by the threaded portions.</p> |
申请公布号 |
WO2007104697(A3) |
申请公布日期 |
2007.11.29 |
申请号 |
WO2007EP52177 |
申请日期 |
2007.03.08 |
申请人 |
NOVO NORDISK A/S;MOELLER, CLAUS SCHMIDT;PEDERSEN, BENNIE PEDER SMISZEK |
发明人 |
MOELLER, CLAUS SCHMIDT;PEDERSEN, BENNIE PEDER SMISZEK |
分类号 |
A61M5/315 |
主分类号 |
A61M5/315 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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