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用於藥物輸送裝置的驅動機構
专利权人:
SANOFI
发明人:
BAYER, Stefan,PELZER, Wolfgang,WILDEN, Bjrn,ZEITZ, Philipp
申请号:
HK16111427.2
公开号:
HK1223051A
申请日:
2016.09.30
申请国别(地区):
HK
年份:
2017
代理人:
摘要:
A drive mechanism of a drug delivery device for dispensing of a dose of a medicament, includes an elongated housing extending in an axial direction, a piston rod to operably engage with a piston of a cartridge to displace the piston in axial distal direction, a drive sleeve rotatably supported in the housing at least in a dose incrementing direction against the action of a spring element, and a ratchet mechanism to rotatably fix the drive sleeve relative to the housing. A first ratchet body has a first and a second ratchet element to alternately engage with a toothed profile of a second ratchet body. One of the first and second ratchet bodies is operably engaged with the housing and wherein the other one of the first and second ratchet bodies is operably engaged with the drive sleeve.
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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