发明名称 |
Pen-type injector |
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. |
申请公布号 |
US9011391(B2) |
申请公布日期 |
2015.04.21 |
申请号 |
US201313919251 |
申请日期 |
2013.06.17 |
申请人 |
Sanofi-Aventis Deutschland GmbH |
发明人 |
Veasey Robert Frederick;Perkins Robert;Plumptre David Aubrey |
分类号 |
A61M5/315;A61M5/24 |
主分类号 |
A61M5/315 |
代理机构 |
McDonnell Boehnen Hulbert & Berghoff LLP |
代理人 |
McDonnell Boehnen Hulbert & Berghoff LLP |
主权项 |
1. A method of determining a final dose of a medicament contained in a cartridge in a pen-type injector comprising,
providing a housing containing a drive sleeve having a nut threadedly engaged to an outer surface of the drive sleeve between a first and second flange; configuring the nut and thread to be indicative of dispensed doses; and configuring the second flange to engage the nut when a final dose of medicament is dispensed from a cartridge attached to the pen-type injector,wherein an inner surface of the housing is configured to engage an outer surface of the nut to prevent rotation of the nut relative to the housing. |
地址 |
Frankfurt am Main DE |