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DRIVE MECHANISM FOR A PHARMACEUTICAL ADMINISTRATION DEVICE
专利权人:
SANOFI
发明人:
BAYER, Stefan,PFOSER, Michael,BLANK, Philippe,BERNING, Daniel,PELZER, Wolfgang,WILDEN, Björn
申请号:
DK14718939
公开号:
DK2983743T3
申请日:
2014.04.08
申请国别(地区):
DK
年份:
2019
代理人:
摘要:
A drive mechanism for a drug delivery device includes an elongated housing extending in an axial direction and a piston rod to operably engage with a piston of a cartridge to displace the piston in an axial distal direction. A drive sleeve is rotatably supported in the housing, operably releasable from the piston rod for setting of a dose, and operably engageable with the piston rod for dispensing of the dose. A dose limiting member is engaged with the drive sleeve and engaged with the piston rod in such a way that it is displaced in axial direction relative to the drive sleeve when the drive sleeve rotates relative to the piston rod during a dose setting procedure. At least one stop is configured to engage with the dose limiting member for limiting the axial displacement of the dose limiting member during the dose setting procedure and to impede further displacement of the drive sleeve relative to the piston rod.
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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