A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/30 (2006.01)
Patent
CA 2522619
The invention relates to the realm of needleless syringes used for injecting liquid active substances. Said syringe comprises a reservoir that is enclosed by means of displaceable plugs which trap the liquid. The reservoir is initially isolated from an injector-receptacle (37) which is provided with at least two peripheral injection conduits (38) that are arranged outside the receptacle (37). Said receptacle (37) encompasses a pocket bore (31) which accommodates the plug located downstream such that the optimized inlets (39) of the conduits are unobstructed. The face of the receptacle (37), which is located upstream, comprises a multilobed sealing joint (34) which is disposed parallel to and as close as possible to the edges of the bore (31) and the inlets (39). The aim of the invention is to create an injector-receptacle (37) that is optimized regarding discharging and the resistance thereof to the injection pressure.
La présente invention se situe dans le domaine des seringues sans aiguille pour 1~injection de principe actif liquide. Ladite seringue comporte un réservoir fermé par des obturateurs déplaçables et emprisonnant le liquide, le réservoir étant initialement isolé d~un injecteur-réceptacle (37) qui est tel qu'il comporte au moins deux conduits périphériques (38) d~injection situé à l~extérieur du réceptacle (37) comportant un alésage borgne (31) qui reçoit 1~obturateur aval de façon que les entrées optimisées (39) des conduits soient dégagées. Ledit receptacle (37) comporte sur sa face amont un joint d'étanchéité multilob6 (34) parallèle et au plus pres des bords de l~alésage (31) et des entrées (39). L'invention vise la réalisation d~un injecteur- réceptacle (37) optimisé vis à vis des écoulements et de sa résistance à la préssion d'injection.
Alexandre Patrick
Baud Georges
Brouquieres Bernard
Crossject
Goudreau Gage Dubuc
LandOfFree
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