Tissue monitoring system for intravascular infusion

A - Human Necessities – 61 – B

Patent

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A61B 5/05 (2006.01)

Patent

CA 2474255

An infusion system (110) has a capability to monitor infusion complications such as extravasation, tissue necrosis, infiltration, phlebitis, and blood clots. The infusion system (100) has at least partially transparent flexible film barrier dressing (122) in a flexible membrane that incorporates a plurality of sensors capable of detecting tissue condition and a control unit capable of coupling to the film barrier (122) dressing that monitors signals from the sensors (120). A device is capable of executing non-invasive physiological measurements to characterize physiologic information from cross- sectional surface and subcutaneous tissue to detect the presence or absence of tissue conditions such as infiltration or extravasation during intravascular infusion. In some examples, the device utilizes depth-selective methods to sense, detect, quantify, monitor, and generate an alert notification of tissue parameters.

L'invention concerne un système de perfusion permettant de surveiller des complications de perfusion telles qu'un épanchement, une nécrose tissulaire, une infiltration, une phlébite, et des caillots sanguins. Le système de perfusion comprend au moins un pansement barrière en film souple partiellement transparent dans une membrane flexible incorporant plusieurs capteurs permettant de détecter l'état tissulaire et une unité de commande, pouvant se coupler au pansement barrière, qui suit le signal provenant des capteurs. Un dispositif permet de réaliser des mesures physiologiques non invasives afin de caractériser l'information physiologique provenant de la surface transversale et le tissu sous-cutané en vue de détecter la présence ou l'absence d'états tissulaires tels qu'infiltration ou épanchement durant une perfusion intravasculaire. Dans certains exemples, le dispositif utilise des procédés sélectifs de la profondeur afin de capter, détecter, quantifier, suivre et produire un avis d'alerte concernant les paramètres tissulaires.

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