Continuous noninvasive blood pressure monitoring system

Details Continuous noninvasive blood pressure monitoring system Continuous noninvasive blood pressure monitoring system

A - Human Necessities

61

B

A61B 5/021 (2006.01) A61B 5/022 (2006.01)

Patent

CA 2173475

A sensor (180) having a sensing surface (100) for sensing blood pressure within an underlying artery of a patient includes a transducer (96), a sidewall (184), a flexible diaphragm (186) and a fluid coupling medium (188). The sidewall (184) is distinct from transducer (96) and supports the transducer (96) above the underlying artery. The fluid coupling medium (188) is coupled between the sensing surface (100) of transducer (96) and the flexible diaphragm (186) and transmits blood pressure pulses within the underlying artery from the flexible diaphragm (186) to the sensing surface (100) of transducer (96). In one embodiment, the fluid coupling medium (188) is isolated from sidewall (184).

Détecteur (180) possédant une surface de détection (100) destinée à détecter la pression sanguine dans une artère sous-jacente d'un patient, qui possède un transducteur (96), une paroi latérale (184), un diaphragme souple (186) souple et un milieu de couplage fluide (188). La paroi latérale (184) est distincte du transducteur (96) et maintient le transducteur (96) au-dessus de l'artère sous-jacente. Le milieu de couplage (188) fluide est couplé entre la surface de détection (100) du transducteur (96) et le diaphragme souple (186) et transmet les impulsions de la pression sanguine dans l'artère sous-jacente du diaphragme souple (186) à la surface de détection (100) du transducteur (96). Dans un mode de réalisation, le milieu de couplage fluide (188) est isolé de la paroi latérale (184).

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