System, method, and device for non-invasive body fluid...

A - Human Necessities – 61 – B

Patent

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A61B 5/00 (2006.01) A61M 37/00 (2006.01)

Patent

CA 2374751

A system, method, and device for non-in-vasive body fluid sampling is provided. According to one embodiment of the present invention, the system includes a controller that controls the generation of ultrasound; an ultrasonic applicator that applies the ultrasound to an area of biological membrane; a receiver that contacts the area of biological membrane and receives body fluid through and out of the area of biological membrane; and a meter that interacts with the receiver and detects the presence of at least one analyte in the body fluid in the receiver. The receiver may include a membrane and a medium, such as a hydrogel, a fluid, or a liquid, that is contained in the membrane. According to one embodiment of the present invention, the method includes the steps of (1) identifying an area of biological membrane having a permeability level; (2) increasing the permeability level of the area of biological membrane; (3) contacting the area of biological membrane with a receiver; (4) extracting body fluid through and out of the area of biological membrane; (5) providing an external force to enhance the body fluid extraction; (6) collecting the body fluid in the receiver; (7) analyzing the collected body fluid for the presence of at least one analyte; and (8) providing the results of the step of analyzing the body fluid.

L'invention concerne un système, un procédé et un dispositif pour le prélèvement non-invasif de fluides organiques. Dans un mode de réalisation de l'invention, le système comprend un organe de commande qui commande la génération d'ultrasons ; un applicateur d'ultrasons qui applique des ultrasons sur une zone de membrane biologique ; un récipient qui vient en contact avec la zone de membrane biologique et qui reçoit le fluide organique traversant ladite membrane ; et un dispositif de mesure qui interagit avec le récipient et détecte la présence d'au moins un analyte dans le fluide organique se trouvant dans récipient. Ledit récipient peut comprendre une membrane et un milieu, tel que l'hydrogel, un fluide ou un liquide, contenu dans la membrane. Dans un mode de réalisation de l'invention, le procédé consiste à : (1) identifier une zone de membrane biologique présentant un certain degré de perméabilité ; (2) augmenter le degré de perméabilité de la zone de membrane biologique ; (3) mettre la zone de membrane biologique en contact avec un récipient ; (4) extraire le fluide organique à travers la membrane biologique ; (5) produire une force externe, de manière que l'extraction de fluide organique soit accrue ; (6) recueillir le fluide organique dans le récipient ; (7) analyser le fluide organique recueilli, de manière que la présence d'au moins un analyte soit recherchée ; et (8) fournir les résultats de l'étape d'analyse de fluide organique.

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