A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/30 (2006.01) A61M 5/303 (2006.01)
Patent
CA 2395272
The invention concerns a needleless syringe (1) comprising a trigger, a gas generator (2) prolonged by a gas expansion chamber (3), a system for retaining particles and an ejection tube (4). The invention is characterised in that the particles are housed outside the ejection tube conduit (4) and the gases cause the particles to reach inside said tube (4) by displacing a plunger (13), prior to speeding them up by wave shock inside the tube (4).
L'invention se rapporte à une seringue sans aiguille (1) comprenant un déclencheur, un générateur de gaz (2) prolongé par une chambre d'expansion (3) des gaz, un système de main-tien des particules et un tube d'éjection (4). La principale caractéristique de la seringue est que les particules sont logées à l'extérieur du conduit du tube d'éjection (4) et les gaz provoquent d'abord l' arrivée des particules dans ledit tube (4) par déplacement d'un piston (13), puis leur mise en vitesse par onde de choc dans le tube (4).
Alexandre Patrick
Baud Georges
Delannoy Guy
Roller Denis
Crossject
Goudreau Gage Dubuc
LandOfFree
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