A device for connecting to a liquid source

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/16 (2006.01)

Patent

CA 2686319

A connecting device comprises a buffer chamber (2), a first connecting line (3) between a liquid source (4) and an inlet (5) of the buffer chamber, a second connecting line (9) between an outlet (10) of the buffer chamber and the medical treatment apparatus (11), two valves (7, 8) arranged in series on the first connecting line, a pump (12) on the second connecting line, two liquid level sensors (15, 16) operating in the buffer chamber, a vent valve (18) connected to the buffer chamber. The liquid source is a centralised distribution plant of dialysate, while the medical treatment apparatus is a dialysis apparatus. The invention prevents back- contamination of the centralised plant with disinfectant sourced from the dialysis apparatus.

Un dispositif de connexion comprend une chambre tampon (2), une première conduite de connexion (3) entre une source de liquide (4) et un orifice d'entrée (5) de la chambre tampon, une seconde conduite de connexion (9) entre un orifice de sortie (10) de la chambre tampon et l'appareil de traitement médical (11), deux soupapes (J, 8) disposées en série sur la première conduite de connexion, une pompe (12) sur la seconde conduite de connexion, deux détecteurs de niveau de liquide (15, 16) fonctionnant dans la chambre tampon, une soupape d'évacuation (18) connectée à la chambre tampon. La source de liquide est un équipement de distribution centralisé de dialysat, tandis que l'appareil de traitement médical est un appareil de dialyse. L'invention empêche une rétrocontamination de l'équipement centralisé avec un désinfectant provenant de l'appareil de dialyse.

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