A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/30 (2006.01) A61M 5/303 (2006.01) A61M 5/20 (2006.01)
Patent
CA 2379245
The technical field of the invention is that of needleless syringes used for intradermal, subcutaneous or intramuscular injections of active principle for therapeutic purposes. More particularly, the invention concerns a needleless syringe (10) comprising a propelling system, the active principle and an application guide (8), mainly characterised in that the propelling system consists of an impact wave generating device (3) and the active principle is arranged in at least a blind cavity (7) of the downstream surface (6) of a barrier (4) extended by the application guide (8). Thus, the active principle is expelled in the form of streamlined jets, driven at very high speed.
Le domaine technique de l'invention est celui des seringues sans aiguille utilisées pour les injections intradermique, sous-cutanée ou intramus-culaire de principe actif à usage thérapeutique. Plus spécialement, l'invention se rapporte à une seringue sans aiguille (10) comprenant un système propul-sif, le principe actif et un guide d'application (8), dont la principale caracté-ristique est que le système propulsif est constitué par un dispositif générateur d'une onde de choc (3) et le principe actif est disposé dans au moins une cavité borgne (7) de la face aval (6) d'une barrière (4) prolongée par le guide d'ap-plication (8). De cette manière, le principe actif est expulsé sous forme de jets effilés, animés d'une très grande vitesse. Image
Alexandre Patrick
Brunet Pierre
Cagnon Brigitte
Mikler Claude
Cross Site Technologies
Crossject
Goudreau Gage Dubuc
Snpe
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