Closed loop/semi-closed loop therapy modification system

A - Human Necessities – 61 – B

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A61B 5/00 (2006.01) A61M 5/172 (2006.01)

Patent

CA 2683504

A closed loop/semi-closed loop infusion system provides therapy modification and safeguards against the over-delivery or under-delivery of insulin. A glucose sensor system is configured to obtain a measured blood glucose value. A controller is operationally connected with the glucose sensor system and configured to compare the measured blood glucose value to a target blood glucose value and adjust a therapy delivery parameter if the measured blood glucose value is not consistent with the target blood glucose value, wherein the adjusted therapy delivery parameter is limited to be within a boundary. Thereafter, a delivery system delivers therapy at the adjusted therapy delivery parameter.

L'invention concerne un système de perfusion en boucle fermée/boucle semi-fermée permettant une modification thérapeutique et des sauvegardes par rapport à une administration excessive ou insuffisante d'insuline. Un système de détection de glucose est configuré pour obtenir une valeur de glycémie mesurée. Un dispositif de commande est relié opérationnellement au système de détection de glucose et configuré pour comparer la valeur de glycémie mesurée à une valeur de glycémie cible et régler un paramètre d'administration thérapeutique si la valeur de glycémie mesurée ne correspond pas à la valeur de glycémie cible, le paramètre d'administration thérapeutique ajusté étant limité pour se trouver à l'intérieur d'une fourchette. Par la suite, un système d'administration administre la thérapie au paramètre d'administration thérapeutique ajusté.

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