Fluid flow control device with retractable cannula

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/158 (2006.01) A61M 5/32 (2006.01)

Patent

CA 2724197

A device having a housing; a cannula projecting fon/vardly from the housing; a connector useful for attaching the device to a fluid source or receptacle; a fluid flow path establishing fluid communication between the cannula and the connector; a retraction mechanism biasing the cannula away from its projecting position; and an actuator supported by the housing and configured to modify the fluid flow path so as to terminate fluid flow through the device, seal off the fluid flow path, and release the retraction mechanism to retract the cannula into the housing. The subject device is particularly preferred for use in the medical field, for example, as part of an infusion set or as a collection device for blood, or other fluids or flowable matter.

L'invention concerne un dispositif comportant un boîtier, une canule s'étendant vers l'avant depuis le boîtier, un connecteur utile pour fixer le dispositif à une source de fluide ou un réceptacle, un trajet d'écoulement de fluide établissant une communication fluidique entre la canule et le connecteur, un mécanisme de rétraction écartant la canule de sa position d'extension et un actionneur supporté par le boîtier et conçu pour modifier le trajet d'écoulement de fluide de façon à stopper l'écoulement de fluide à travers le dispositif, obturer le trajet d'écoulement de fluide, et libérer le mécanisme de rétraction afin de rétracter la canule dans le boîtier. Le dispositif sujet est particulièrement préféré pour une utilisation dans le domaine médical, par exemple, comme élément d'un ensemble de perfusion ou comme dispositif de collecte du sang ou d'autres fluides ou matières fluides.

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