Blood pressure measurement

A - Human Necessities – 61 – B

Patent

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Details

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

Patent

CA 2652666

The diastolic blood pressure and a systolic blood pressure of a vertebrate arc measured using an inflatable pressure cuff disposed about a limb of the vertebrate and connected to an inflation device through a single conduit. A pressure sensor is pneumatically connected to the cuff through the same common conduit. The sensed pressures at the diastolic and systolic points are corrected for a pressure differential associated with the flow of an inflation fluid through the common conduit. The sensed pressures at the diastolic point and the systolic point may be measured during inflation of the cuff or during controlled deflation of the cuff.

La présente invention concerne la pression sanguine diastolique et une pression sanguine systolique d'un bras de vertébré, qui sont mesurées à l'aide d'un ballonnet gonflable disposé autour d'un membre du vertébré et connecté à un dispositif de gonflage par l'intermédiaire d'une conduite unique. Un capteur de pression est connecté par voie pneumatique au ballonnet au moyen de la même conduite commune. Les pressions détectées aux points diastolique et systolique sont corrigées en fonction d'un différentiel de pression associé au débit d'un fluide de gonflage dans la conduite commune. Lesdites pressions au point diastolique et au point systolique peuvent être mesurées lors du gonflage du ballonnet ou lors du dégonflage contrôlé du ballonnet.

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