Spring-powered dispensing device

Details Spring-powered dispensing device Spring-powered dispensing device

A - Human Necessities

61

M

A61M 5/30 (2006.01) A61M 5/20 (2006.01) A61M 5/31 (2006.01)

Patent

CA 2214807

A device is described for dispensing a material or article, comprising a dispensing member which moves under the force of a spring providing an energy store. A damping arrangement employing a viscous damping medium such as grease is used to damp recoil during dispensing. In particular, such a damping arrangement is shown applied to a needleless injector operating by impact on dispensing piston.

On décrit un dispositif destiné à distribuer un matériau ou un article et qui comprend un élément distributeur se déplaçant sous la poussée d'un ressort apportant une accumulation d'énergie. Un agencement amortisseur dans lequel on utilise un milieu amortisseur visqueux, tel que de la graisse, sert à amortir la détente du ressort lors de la distribution. Un tel agencement trouve notamment une application dans un injecteur sans aiguille fonctionnant par impact sur un piston distributeur.

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