Dialysis blood tubing set

A - Human Necessities – 61 – M

Patent

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Details

A61M 39/02 (2006.01) A61M 1/14 (2006.01) A61M 1/36 (2006.01) G01L 7/08 (2006.01)

Patent

CA 2219817

A combination pressure pod and access site apparatus (150) is suitable for use in a medical tubing set (22). The combination pressure pod and access site (150) comprises a pressure sensing chamber (182) and a measured fluid chamber (162) separated by a pressure transmissive diaphragm (156). An access site (150) having a neeedle or needle- less septum (200) is in fluid communication with the measured fluid chamber (162) and permits injecting fluids into and withdrawing fluids from, the measured fluid chamber (162) through the access site (150). One or more of the combination pressure sites and access sites (150) may be provided in a simplified blood tubing set (22) for an extracorporeal blood treatment apparatus, such as a hemodialysis apparatus.

Appareil (150) combinant une capsule de pression et un site d'accès, utile dans un ensemble tube (22) médical, et comprenant une chambre (182) sensible à la pression, ainsi qu'une chambre (162) à fluide mesuré, séparée par une membrane (156) transmettant la pression. Un site (150) d'accès présentant une aiguille ou un septum (200) sans aiguille, est en communication fluidique avec la chambre (162) à fluide, et permet le passage de fluide que l'on injecte dans cette chambre (162) ou que l'on évacue à partir de celle-ci. Un ou plusieurs de ces appareils combinant une capsule de pression et un site d'accès (150) peuvent être utilisés dans un ensemble tube (22) de prélèvement sanguin, simplifié et destiné à un appareil de traitement de sang extrarénal, tel qu'un appareil d'hémodialyse.

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