A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/029 (2006.01) A61B 5/021 (2006.01)
Patent
CA 2706547
The invention relates to a method and an apparatus for determining the systolic phase interval (SP) of an arterial pressure curve with a starting point (t0) of the systolic phase interval (SP) and an end point (tN) of the systolic phase interval (SP) wherein a QT interval is defined as the start of the Q wave and the end of the T wave in the hearts electrical cycle and wherein the determination of the end point (tN) of the systolic phase interval (SP) is restricted to the measured points of arterial pressure which fulfill the condition that the difference in time between the end point (tN) to be determined of the systolic phase interval (SP) and the starting point (t0) of the systolic phase interval (SP) is smaller than the QT interval.
L'invention concerne un procédé et un appareil de détermination de l'intervalle de phase systolique (SP) d'une courbe de pression artérielle avec un point de départ (t0) de l'intervalle (SP) de phase systolique et un point final (tN) de l'intervalle (SP) de phase systolique, un intervalle QT étant défini comme étant le début de l'onde Q et la fin de l'onde T dans le cycle électrique du coeur, la détermination du point final (tN) de l'intervalle (SP) de phase systolique étant limitée aux points mesurés de la pression artérielle qui satisfont à la condition que la différence de temps entre le point final (tN) de l'intervalle (SP) de phase systolique qui doit être déterminé et le point de départ (t0) de l'intervalle (SP) de phase systolique est plus petite que l'intervalle QT.
Borg Ulf
Knoll Reinhold
Pfeiffer Ulrich
Edwards Lifesciences Iprm Ag
Stikeman Elliott S.e.n.c.r.l.,srl/llp
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