Measurement of fluid pressure such as blood pressure

Details Measurement of fluid pressure such as blood pressure Measurement of fluid pressure such as blood pressure

G - Physics

01

L

G01L 9/08 (2006.01) A61B 5/021 (2006.01)

Patent

CA 2264015

Circuitry and a sensor (2050) suitable for measuring blood pressure are described. The sensor (2050) of the present invention has a flexible piezoelectic material (1011, 1013, 1015) covering the opening of a chamber (1019). The chamber (1019) contains an electrically nonconductive, elastomeric material (1017), and needs no pump to pressurize the chamber (1019). An array of sensors and circuitry for measurement of fluid pressure fluctuation in a flexible environment is given.

La présente invention concerne des circuits électroniques et un capteur (2050) convenant à la mesure de la tension artérielle. Le capteur (2050) de la présente invention est constitué d'une chambre (1019) pourvue d'un orifice recouvert d'un matériau piézo-électrique souple (1011, 1013, 1015). La chambre (1019), qui renferme un matériau élastomère (1017) non électroconducteur, ne nécessite aucune pompe de pressurisation. L'invention concerne également une matrice de capteurs et de circuits électroniques permettant de mesurer les fluctuations de pression fluidique dans un environnement souple.

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