Gas driven gene delivery instrument

A - Human Necessities – 61 – M

Patent

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Details

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

Patent

CA 2158733

A gas driven apparatus (10) for accelerating particles (16) coated with a genetic material into a target, comprises a reservoir (12) for releasably retaining a gas at a sufficiently high-pressure to detach the particles from the surface of a sample cartridge (14) and to carry the particles through the apparatus (10) toward the target. When leaving the apparatus (10), the particles (16) entrained in the gas stream pass through a substantially conical exit nozzle (24) which causes the pattern of distribution of the particles to greatly expand. Methods for using the apparatus and for preparing the sample cartridges (14) are also described.

Un appareil actionné par le gaz (10) permet de donner une accélération à des particules (10) enrobées d'un matériau génétique et de les placer dans une cible. Cet appareil comporte un réservoir (12) permettant de maintenir un gaz à une pression suffisamment élevée et de le libérer de façon à détacher les particules de la surface d'une cartouche d'échantillon (14) et à entraîner ces particules au travers de l'appareil (10) jusqu'à atteindre la cible. Lorsque les particules (16) entraînées dans le flux gazeux quittent l'appareil (10), elles traversent une tuyère de sortie (24) essentiellement conique qui provoque une dispersion importante du schéma de répartition des particules. La présente invention concerne également les procédés d'utilisation de l'appareil ainsi que la préparation des cartouches d'échantillon (14).

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