Devices, systems and methods for delivering fluid to tissue

A - Human Necessities – 61 – M

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Details

A61M 25/10 (2006.01) A61M 5/20 (2006.01) A61M 5/30 (2006.01)

Patent

CA 2744411

In one aspect of this invention, control systems (100) are provided for controlling the inflation of a tissue tensioner or balloon for a fluid delivery system, such as for a needleless fluid injection device. In another aspect of the invention, a system for reducing the response time for jet injection of fluid is provided (200). In yet another aspect of the invention, systems and devices are provided for controlling the volume of fluid that is ejected from a fluid injection system, which systems include at least one stop (410) that is selectively rotated to limit the movement of a shaft (402) in a linear direction, thereby controlling the amount of fluid that is ejected from the system.

Dans un aspect, l'invention concerne des systèmes de commande permettant de commander le gonflage d'un dispositif de mise en tension d'un tissu ou d'un ballonnet pour système d'apport de fluide, tel qu'un dispositif d'injection de fluide sans aiguille. Dans un autre aspect, l'invention concerne un système permettant de réduire le temps de réponse pour l'injection par jet d'un fluide. Dans un autre aspect, l'invention concerne des systèmes et des dispositifs permettant de commander le volume du fluide qui est éjecté hors d'un système d'injection de fluide, ces systèmes comprenant au moins une butée qui peut sélectivement tourner afin de limiter le déplacement d'une tige dans une direction linéaire, commandant ainsi la quantité de fluide qui est éjectée hors du système.

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