Medicament dispensing device

Details Medicament dispensing device Medicament dispensing device

A - Human Necessities

61

M

A61M 5/20 (2006.01) A61M 5/31 (2006.01)

Patent

CA 2761193

A portable medicament dispensing device having a mechanism which is not susceptible to jamming for dispensing the medication to a user. The device employs a coupling for coupling the relative motion between reciprocating body members housing the ancillary components and a barrel plunger associated with the syringe. One embodiment provides a pivoting coupling whereas an alternate uses a rack and pinion system. The advantage of simplifying such mechanisms results in a structure which has smooth unencumbered motion with fewer parts to avoid mechanical jamming during use.

Cette invention concerne un dispositif portable de délivrance d'un médicament comportant un mécanisme qui ne risque pas de se bloquer lorsqu'il délivre le médicament à l'utilisateur. Ce dispositif utilise un couplage qui associe le mouvement relatif entre des éléments de corps mobiles abritant les composants auxiliaires et le piston d'un cylindre associé avec la seringue. Un mode de réalisation de l'invention décrit un couplage rotatif, et d'autres utilisations un rail et un système de pignon. L'avantage d'une simplification des mécanismes permet d'obtenir une structure à déplacement libre et régulier constituée d'un nombre de parties réduit pour éviter un blocage mécanique en cours d'utilisation.

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