Coupling device for medical lines

Details Coupling device for medical lines Coupling device for medical lines

A - Human Necessities

61

M

A61M 39/14 (2006.01)

Patent

CA 2531422

A coupling device for coupling a patient-side medical line to an equipment- side medical line. The device includes two parts, one fluidly coupled to each medical line, and each part having a seal that seals the respective medical line when the parts are disconnected. When the parts are connected, the seals unseal the medical lines so as to establish fluid communication between the medical lines. The parts are connected together by way of a coupling that detaches when subjected to a sufficient separation force. The coupling may be a snap-fit mechanism incorporating a rounded protrusion and a rounded groove that pull apart under a sufficient force. The coupling device provides for a safety breakaway feature while sealing both medical lines when disconnected.

L'invention porte sur un raccord reliant un tuyau médical côté patient à un tuyau médical côté équipement. Un tel raccord comporte deux parties reliées chacune à l'un des tuyaux et munie chacune d'un obturateur obturant le tuyau lorsque les parties sont déconnectées. Lorsque les parties sont connectées, les obturateurs s'ouvrent pour permettre la circulation du fluide entre les deux tuyaux. Les deux parties sont réunies par l'intermédiaire d'un accouplement qui se débranche lorsqu'il est soumis à une force de séparation suffisante. Le raccord peut être du type à encliquetage comportant une saillie arrondie et une rainure arrondie qui se séparent sous l'effet d'une force suffisante. Un tel raccord offre une sécurité contre les ruptures, tout en obturant les tuyaux lorsqu'il est débranché.

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