Particle delivery

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/307 (2006.01) A61M 5/30 (2006.01) C12M 3/00 (2006.01) A61M 5/20 (2006.01)

Patent

CA 2197711

A needleless syringe comprising an elongate nozzle to the upstream end of which is connected a sealed chamber containing gas at super-atmospheric pressure and particles of a therapeutic agent, there being means for opening an outlet from the chamber to release the gas and particles entrained therewith so that they flow through the nozzle at supersonic speed.

Seringue sans aiguille qui comprend une tuyère allongée à l'extrémité amont de laquelle est connectée une chambre hermétique contenant du gaz à une pression super-atmosphérique et des particules d'un agent thérapeutique, ladite seringue comportant un dispositif destiné à ouvrir un orifice de sortie de la chambre afin de libérer le gaz et les particules entraînées par ce dernier pour qu'elles s'échappent par la tuyère à une vitesse supersonique.

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