Device for regulating flow rate of intravenous medical...

A - Human Necessities – 61 – M

Patent

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A61M 5/168 (2006.01) A61M 5/142 (2006.01)

Patent

CA 2467834

The object of this invention is to provide a device for regulating the flow rate of an intravenous medical solution during an injection using an intravenous drip unit. The device has a housing (10) mounted to a hose (300) to allow the flow of the solution from a solution container (200) into the vein, and a control member (20) rotatably assembled with the housing to regulate the flow rate of the solution. The housing has first and second seats (11, 12) communicating with inlet and outlet ports, and the control member has first and second bosses (21, 22) seated in the first and second seats. An arc- shaped solution path (23), a radial channel (24) and an annular groove (25) are formed on the control member to regulate the flow rate of the solution in accordance with an adjusted angle of the control member relative to the fixed housing.

La présente invention concerne un dispositif pour réguler le débit d'une solution médicale intraveineuse au cours de l'injection au moyen d'une unité de goutte-à-goutte intraveineux. Le dispositif présente un boîtier (10) relié à un tube flexible (300) pour permettre au flux de solution de passer d'un réservoir de solution (200) à l'intérieur de la veine ; et un élément de régulation (20) monté rotatif sur le boîtier pour réguler le débit de la solution. Le boîtier présente un premier et un second siège (11, 12) communiquant avec des orifices d'entrée et de sortie, et l'élément de régulation présente un premier et un second bossage (21, 22) mis en place dans le premier et dans le second siège. Une trajectoire de solution (23) de forme arquée, un canal radial (24) et une rainure annulaire (25) sont formés sur l'élément de régulation pour permettre au débit de solution d'être régulé en fonction d'un angle réglé de l'élément de régulation par rapport au boîtier qui est fixe.

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