A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/168 (2006.01) A61M 5/145 (2006.01)
Patent
CA 2565802
The present invention discloses a number of devices and methods for monitoring a flow within a flow circuit (10). In one embodiment, a flow indicator is disclosed and includes a flow indicator device having a body (40), the body having first conduit port (64) and a second conduit port (65) formed thereon, the second conduit port in communication with an ambient environment, at least one indicator conduit (36) in fluid communication with an infusion circuit and the first conduit port, a sensing device positioned within the body and in fluid communication with the first and second conduit ports, and at least one indicator positioned on the body and in communication with the sensing device. I.e. a flow indicator and/or flow rate sensor is disclosed, the working principle of which is based on a differential pressure measurement over a flow restriction carried out with a NEMS differential pressure sensor.
L'invention concerne un certain nombre de dispositifs et de procédés permettant de contrôler le débit dans un circuit d'écoulement. Une des formes de réalisation décrites comprend un dispositif indicateur de débit comprenant un corps sur lequel sont formés un premier et un deuxième orifice de conduit, le second orifice de conduit communiquant avec le milieu ambiant, au moins un conduit indicateur en communication fluidique avec un circuit de perfusion et avec le premier orifice de conduit, un dispositif de détection placé dans le corps et en communication fluidique avec le premier et le second orifice du conduit, et au moins un indicateur placé sur le corps et communiquant avec le dispositif de détection.
Desai Siddharth
Wang Jong H.
Baxter Healthcare S.a.
Baxter International Inc.
Sim & Mcburney
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