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PEN-TYPE INJECTOR
专利权人:
SANOFI-AVENTIS DEUTSCHLAND GMBH
发明人:
Robert Frederick Veasey,Robert Perkins,David Aubrey Plumptre
申请号:
US14946203
公开号:
US20160074590A1
申请日:
2015.11.19
申请国别(地区):
US
年份:
2016
代理人:
摘要:
The present invention relates to injectors, such as pen-type injectors, that provide for administration of medicinal products from a multidose-cartridge and permit a user to set the delivery dose. The injector may include a housing, a piston rod adapted to operate through the housing, a dose dial sleeve located between the housing and the piston rod, and a drive sleeve located between the dose dial sleeve and the piston rod. The dose dial sleeve may have a helical thread of first lead and the drive sleeve may have a helical groove of second lead. The first lead of the helical thread and the second lead of the helical groove may be the same.
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