Becton Dickinson and Company Limited

Ying Xu

Lionel Vedrine

James S Bates

Robert Banik

Min Wei

Kenneth G Powell

A device for delivering a medicament intradermally includes a cartridge () having a first end () and a second end () and defining a volume () therebetween. The volume () is adapted to contain the medicament. A driving member () has a first end () and a second end (). The first end () of the driving member () is disposed in the cartridge () and the second end () of the driving member () is disposed outside the cartridge (). A stopper () is slidably disposed in the cartridge volume (). The driving member () is releasably disposed in the stopper () such that when the driving member () is retracted from the cartridge () the stopper () is disengaged from the driving member () and remains in the cartridge volume ().

Cartridge stopper for an intradermal delivery system

A pen body assembly () for a drug delivery pen includes a pen body () and a dose setting body () movably connected to the pen body (). A knob () is connected to the dose setting body () for moving the dose setting body () relative to the pen body (). One of the pen body () and the dose setting body () has a thread groove () having a varied pitch disposed thereon and the other one has a protrusion () engaging the thread groove ().

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Parsippany, NJ, United States of America

Ying Xu