Microneedle-based pen device for drug delivery and method...

Details Microneedle-based pen device for drug delivery and method... Microneedle-based pen device for drug delivery and method...

A - Human Necessities

61

M

A61M 5/24 (2006.01) A61M 5/28 (2006.01) A61M 5/32 (2006.01)

Patent

CA 2460063

A system and method is provided for an injectable substance delivery pen (80) comprising a microneedle hub assembly (44) removably engaged with a pen device body (66) which includes a cartridge (68), a plunger (72), and a drive mechanism (73). The hub assembly (44) includes at least one microneedle (50) for intradermal or shallow subcutaneous injection of the contents of the cartridge (68). The cartridge, plunger and drive mechanism components of the pen body are fabricated of non-compliant and non-compressible materials to allow effective communication of the cartridge contents via the microneedle patient interface.

L'invention concerne un système et un procédé relatifs à un stylo d'administration de substance injectable (80) comprenant un ensemble embout de micro-aiguille (44) fixé amovible au corps du stylo (66) qui renferme une cartouche (68), un piston (72) et un système d'entraînement (73). L'ensemble embout (44) comprend au moins une micro-aiguille (50) servant à l'injection intradermique ou sous-cutanée superficielle du contenu de la cartouche (68). La cartouche, le piston et les composants du système d'entraînement du corps du stylo sont fabriqués avec des matériaux rigides et incompressibles pour permettre l'injection efficace du contenu de la cartouche via l'interface patient/micro-aiguille.

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