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Dose setting mechanism
专利权人:
Sanofi-Aventis Deutschland GmbH
发明人:
Butler, Joseph,Plumptre, David
申请号:
AU2011315628
公开号:
AU2011315628A1
申请日:
2011.10.11
申请国别(地区):
AU
年份:
2013
代理人:
摘要:
A system for preventing delivery of less than a predetermined minimum dose of a medicament by providing a dose setting mechanism (104) having a clutch ring (130 200) rotationally fixed relative to the housing (120) when a dose less than the minimum allowable dose is selected. The dose setting mechanism also includes a drug delivery device housing (120) and a dose dial component (122 202) positioned in the housing and rotatable during a dose setting step. A drive sleeve(124 206) is positioned within the dose dial component, a spindle (126) is positioned within the drive sleeve, and a clutch (128 212) is positioned between the dose dial component and the drive sleeve. When the dose dial component is rotated to select a dose less than a minimum dose, a clutch ring (130 200) prevents the drive sleeve from rotating to thereby prevent the selected dose from being administered.
来源网站:
中国工程科技知识中心
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