Cartridge stopper for an intradermal delivery system

Details Cartridge stopper for an intradermal delivery system Cartridge stopper for an intradermal delivery system

A - Human Necessities

61

M

A61M 5/315 (2006.01) A61M 5/24 (2006.01)

Patent

CA 2730967

A device for delivering a medicament intradermally includes a cartridge (112) having a first end (110) and a second end (114) and defining a volume (111) therebetween. The volume (111) is adapted to contain the medicament. A driving member (121) has a first end (126) and a second end (128). The first end (126) of the driving member (121) is disposed in the cartridge (112) and the second end (128) of the driving member (121) is disposed outside the cartridge (112). A stopper (115) is slidably disposed in the cartridge volume (111). The driving member (121) is releasably disposed in the stopper (115) such that when the driving member (121) is retracted from the cartridge (112) the stopper (115) is disengaged from the driving member (121) and remains in the cartridge volume (111).

L'invention porte sur un dispositif d'administration d'un médicament par voie intradermique, lequel dispositif comprend une cartouche (112) ayant une première extrémité (110) et une seconde extrémité (114) et définissant un volume (111) entre celles-ci. Le volume (111) est apte à contenir le médicament. Un dispositif de commande (121) a une première extrémité (126) et une seconde extrémité (128). La première extrémité (126) du dispositif de commande (121) est disposée dans la cartouche (112) et la seconde extrémité (128) du dispositif de commande (121) est disposé à l'extérieur de la cartouche (112). Une butée (115) est disposée de façon coulissante dans le volume de cartouche (111). Le dispositif de commande (121) est disposé de façon libérable dans la butée (115) de telle sorte que lorsqu'on rétracte le dispositif de commande (121) à partir de la cartouche (112), la butée (115) est dégagée du dispositif de commande (121) et reste dans le volume de cartouche (111).

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