Improved autoinjector supporting the syringe at the front

Details Improved autoinjector supporting the syringe at the front Improved autoinjector supporting the syringe at the front

A - Human Necessities

61

M

A61M 5/20 (2006.01)

Patent

CA 2637147

An autoinjector comprising a housing in which can be mounted a syringe comprising a barrel for holding a volume of medicament, a needle at one end of the barrel in fluid communication with the medicament and a plunger axially- moveable in the barrel to a forwardmost position, the autoinjector further comprising a syringe support means for supporting the barrel at an axial location at or forward of the forwardmost position of the plunger and having a reaction surface for the syringe, whereby in use said reaction surface (109) provides an axial compressive force on said barrel when a forward axial force is applied to the plunger.

L'invention concerne un injecteur automatique comportant un logement dans lequel on peut monter une seringue comportant un corps pour contenir un volume de médicament, une aiguille à une extrémité du corps en communication fluide avec le médicament et un piston axialement mobile dans le corps vers une position la plus en avant, l'injecteur automatique comportant par ailleurs un moyen de support de seringue pour supporter le corps en un emplacement axial au niveau ou en avant de la position la plus en avant du piston et ayant une surface de réaction pour la seringue, ce par quoi en cours d'utilisation ladite surface de réaction (109) procure une force de compression axiale sur ledit corps quand une force axiale vers l~avant est exercée sur le piston.

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