Inner lumen anti-free flow device

Details Inner lumen anti-free flow device Inner lumen anti-free flow device

A - Human Necessities

61

M

A61M 5/142 (2006.01) A61M 39/22 (2006.01) F16K 7/02 (2006.01) F16K 15/14 (2006.01) A61M 5/14 (2006.01) A61M 39/28 (2006.01)

Patent

CA 2419557

An anti-free flow device (16) is disclosed for a fluid administration system (10) having a tube assembly (12) engageable with a pump (14) with one end of the tube assembly (12) connected to a source of fluid (46) and the other end in fluid flow communication with a patient. The valve device (16) comprises a tube portion (18) defining a channel (22) in-line along a portion of the tube assembly (12) and a body (20) disposed and securely retained inside the channel. Fluid flow is allowed through the tube assembly (12) whenever the tube assembly (12) is in a stretched condition, such as when the tube assembly (12) is engaged with the pump (14). However, fluid free flow is prevented whenever the tube assembly (12) is in a relaxed condition or disengaged from the pump (14).

L'invention concerne un dispositif anti-écoulement (16) libre pour système d'administration (10) de fluide comprenant un ensemble tube (12) coopérant avec une pompe (14) par l'une de ses extrémités connectée à une source de fluide (46), l'autre extrémité étant en communication fluidique avec un patient. Un dispositif de clapet (16) comprend une partie de tube (18) définissant un canal l (22) en ligne avec une partie de l'ensemble tube (12), et un corps (20) disposé et maintenu de manière sûre dans ledit canal. Le fluide d'écoulement peut traverser l'ensemble tube (12) lorsque celui-ci (12) est à l'état tendu, lorsque ledit ensemble tube (12) coopère avec la pompe (14). Le fluide ne peut s'écouler librement lorsque l'ensemble (12) est à l'état détendu ou dégagé de la pompe (14).

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