Microdialysis probe with a spiral line

Details Microdialysis probe with a spiral line Microdialysis probe with a spiral line

A - Human Necessities

61

M

A61M 1/16 (2006.01) A61B 5/00 (2006.01)

Patent

CA 2499808

The invention relates to a microdialysis probe with a probe body, a probe needle for introduction into a tissue, an inlet line and an outlet line for a perfusion solution and a dialysis membrane, comprising at least one hollow channel which forms the outlet for the perfusion solution and which runs at least partly spirally about the probe needle on an external surface of the probe needle. The inlet for the perfusion solution is also preferably embodied with a spiral form about an external surface of the probe needle.

L'invention concerne une sonde de microdialyse présentant un corps de sonde, une aiguille de sonde à implanter dans un tissu, un canal d'entrée et un canal de sortie pour une solution de perfusion ainsi qu'une membrane de dialyse. Cette sonde de microdialyse présente au moins un canal creux, formant le canal de sortie pour la solution de perfusion et s'étendant au moins partiellement en spirale autour de l'aiguille de sonde sur une périphérie extérieure de ladite aiguille de sonde. De préférence, le canal d'entrée pour la solution de perfusion s'étend également en spirale autour d'une périphérie extérieure de l'aiguille de sonde.

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