A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/315 (2006.01)
Patent
CA 2682107
An injection retarder for mechanically/manually reducing the rate of delivery of a hand-held hypodermic syringe and a syringe having same are provided. The injection retarder and syringe include means for selectively slowing a rate of progress of the plunger into the barrel. For example, a thumb tip rest is provided against which the thumb may be braced, thereby providing additional mechanical advantage and much finer manual control of the rate of injection. Alternatively, a set of teeth and an opposing mating tooth or pawl are provided which increase friction and slow the progress of the plunger
L'invention porte sur un retardateur d'injection qui ralentit mécaniquement ou manuellement la vitesse d'administration d'une seringue hypodermique et d'une seringue portatives munies du retardateur. Le retardateur d'injection et la seringue disposent d'un moyen leur permettant de ralentir sélectivement la vitesse d'enfoncement du piston dans le baril. € titre d'exemple, le support destiné au bout du pouce contre lequel le pouce peut être rattaché offre un avantage mécanique supplémentaire et une régulation manuelle beaucoup plus fine de la vitesse de l'injection. Sinon, un ensemble de dents et un ensemble de dents leur correspondant ou un cliquet sont fournis pour augmenter la friction et ralentir le déplacement du piston.
Gianturco Michael C.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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