A device for protecting medical apparatus

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/36 (2006.01) B29C 65/08 (2006.01) G01L 19/06 (2006.01)

Patent

CA 2519321

A device for protecting medical apparatus from contamination by infectious agents comprises a containment body having an inlet (5) destined to be set in fluid communication with an extracorporeal circuit (3) of blood, and an outlet (6) destined to be connected to a fluid line operatively connected to a pressure gauge of a medical apparatus (4). The inlet (5) is in gas communication with the outlet (6) across an internal cavity (11) of the containment body. Two hydrophobic membranes (12, 13) are predisposed in the containment body between the inlet (5) and the outlet (6). The membranes (12, 13) each define an anticontamination barrier which is gas-permeable. The device transmits the pressure of the extracorporeal circuit to the pressure gauge, with no relevant loss of head, while at the same time protecting, with a high degree of security, the medical apparatus (4) from risks of contamination by pathogens originating in the extracorporeal circuit.

Dispositif pour la protection d'appareils à usage médical contre la contamination par des agents infectieux. Ce dispositif comporte un corps de confinement équipé d'une entrée (5) destinée à être mise en communication fluidique avec un circuit sanguin extracorporel (3), et une sortie (6) destinée à être reliée à une canalisation de fluide reliée au manomètre d'un appareil à usage médical (4). L'entrée (5) est en communication gazeuse avec la sortie (6) par l'intermédiaire d'une cavité interne (11) du corps de confinement. Deux membranes hydrophobes (12, 13) sont préalablement disposées dans le corps de confinement entre l'entrée (5) et la sortie (6). Chacune des membranes (12, 13) définit une barrière anti-contamination perméable aux gaz. Le dispositif transmet vers le manomètre, sans perte de charge significative, la pression du circuit extracorporel, tout en protégeant, avec un degré élevé de sécurité, l'appareil à usage médical (4) contre toute contamination par des agents pathogènes provenant du circuit extracorporel.

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