G - Physics – 01 – L
Patent
G - Physics
01
L
G01L 7/02 (2006.01) A61M 1/36 (2006.01) G01L 19/00 (2006.01) G01L 19/02 (2006.01)
Patent
CA 2363922
The invention proposes a device for measuring the pressure of blood, intended to engage with a section (16) for measuring the pressure of blood, which section comprises a membrane (38) which is axially deformable under the effect of the blood pressure and which is designed to be mounted on a support structure (20, 22) bearing especially a load sensor (26) arranged substantially facing the membrane (38), characterized in that it comprises controlled means (58) for the relative axial displacement of the sensitive member (52) of the load sensor (26), with respect to the support structure (20, 22), so that the axial position of the sensitive member (52) can be adjusted with respect to the external face (42) of the membrane (38), especially for the purpose of carrying out an initial calibration operation. The invention also proposes a process for controlling the device.
La présente invention présente un dispositif de mesure de la pression du sang; il est prévu pour être raccordé à une partie (16) pour ladite mesure, la partie en question comprenant une membrane (38) pouvant être déformée sur le plan axial sous l'effet de la pression sanguine et qui est conçue pour être montée sur une structure de support (20, 22) comportant plus précisément un capteur de charge (26) disposé essentiellement face à la membrane (38), et comprenant des moyens de contrôle (58) pour le mouvement axial relatif de l'élément sensible (52) du capteur de charge (26) par rapport à la structure de support (20, 22), de telle sorte que la position axiale de l'élément sensible (52) peut être ajustée par rapport à la surface extérieure (42) de la membrane (38), en particulier pour permettre l'exécution d'une opération d'étalonnage initiale. L'invention propose également un processus de contrôle du dispositif.
Chevallet Jacques
Court Thierry
Gambro Industries
Hospal International Marketing Management
Smart & Biggar
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