Contrast fluid delivery system

A - Human Necessities – 61 – M

Patent

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Details

IPC codes

A61M 39/26 (2006.01) A61M 5/00 (2006.01)

Type

Patent

Patent number

CA 2609082

Description

The present invention relates to a disposable set (5) for establishing a fluid connection between a fluid dispensing unit (17) and a dosing device adapted to dispense the fluid into a patients' vein. The disposable set comprises a length of a tubing (15) for establishing a fluid connection from the dispensing unit towards and into the dosing device, wherein the tubing (15) comprises a first (1) and a second (10) tubing part. The first tubing part (1) is provided to establish a connection to the second tubing part (10) and to the fluid dispensing unit. The second tubing part (10) is provided to establish a connection towards the dosing device and the patient and to the first tubing part (1). The first tubing part (1) comprises a one-way valve (3) which permits a fluid flow from the dispensing unit (17, 18) towards the dosing device and the patient and to prevent a backward fluid flow from the dosing device towards the dispensing unit. The first and second tubing part are in fluid connection with each other in a liquid tight manner by means of a releasable connection device (11, 12), which is adapted to permit a back flow from the patient in the direction of the releasable connection device in the released position of the releasable connection and to prevent a back flow from the patient in the direction of the releasable connection device (11, 12) in the closed position of the releasable connection.

La présente invention concerne un ensemble jetable (5) permettant d'établir une connexion fluidique entre une unité (17) de distribution de liquide et un dispositif de dosage adapté pour administrer le liquide dans la veine d'un patient. L'ensemble jetable comprend une longueur de tubulure (15) permettant d'établir une connexion fluidique entre l'unité de distribution et le dispositif de dosage, la tubulure comprenant une première (1) et une seconde partie (10). La première partie (1) de la tubulure permet d'établir une connexion avec la seconde partie (10) de la tubulure et avec l'unité de distribution de fluide. La seconde partie (10) de la tubulure permet d'établir une connexion avec le dispositif de dosage et le patient et la première partie (1) de la tubulure. La première partie (1) comprend une valve anti-reflux (3) permettant l'écoulement d'un flux de liquide de l'unité (17, 18) de distribution vers le dispositif de dosage et le patient, et empêchant un fluide de retour du dispositif de dosage vers l'unité de distribution. La première et la seconde partie de la tubulure sont en connexion fluidique l'une avec l'autre de manière étanche aux liquides grâce à un dispositif (11, 12) de connexion de libération adapté pour permettre un flux de retour du patient dans la direction dudit dispositif de connexion en position de connexion de libération, et pour empêcher un flux de retour du patient dans la direction du dispositif de connexion (11, 12) en position de connexion fermée.

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