Inventors:
William LAWSON - Trappe PA, US
Assignee:
Animas Corporation - West Chester
International Classification:
A61M 5/145
Abstract:
Described is a drug delivery system and method for inserting a cartridge into a chamber in a drug infusion device to inhibit refilling or reuse of a cartridge. In one embodiment, a drug delivery system is provided that includes a chamber and a cartridge configured for insertion into the chamber. The cartridge includes a hollow barrel for receiving and storing a drug, a plunger having a distal end and a proximal end, where the distal end of the plunger is slidably insertable and movable within the barrel. A breakaway extractor is disposed external to the barrel and is removably attached to the proximal end of the plunger. After insertion of the cartridge into the barrel, the breakaway extractor may be detached from the cartridge, to inhibit the retraction of the plunger from within the barrel of the cartridge and refilling of the cartridge.