Implantable micro-system for treatment of hydrocephalus

A - Human Necessities – 61 – M

Patent

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A61M 5/00 (2006.01)

Patent

CA 2641034

An implantable system for the treatment of hydrocephalus includes a plurality of microneedles in a fixed array relative to each other adapted to extend from the subarachnoid space containing CSF surrounding the brain, through dura mater forming the wall of the sinus. A microvalve is associated with a proximal end of each of the microneedles and is adapted to permit the flow of cerebrospinal fluid (CSF) from the subarachnoid space through the wall of the superior sagittal sinus and deposited in the venous return of the brain. The method of treating hydrocephalus with the system of this invention also constitutes a part of the invention.

La présente invention concerne un système implantable pour le traitement de l'hydrocéphalie comportant une pluralité de micro-aiguilles dans un réseau fixe les unes par rapport aux autres adaptées à se prolonger depuis l'espace sous-arachnoïdien contenant le liquide céphalorachidien (LCR) entourant le cerveau, à travers la dure-mère formant la paroi du sinus. Une micro-valve est associée à l'extrémité proximale de chacune des micro-aiguilles et est adaptée à permettre l'écoulement du fluide céphalorachidien (LCR) depuis l'espace sous-arachnoïdien à travers la paroi du sinus sagittal supérieur pour être déposé dans le retour veineux du cerveau. L'Invention concerne également le procédé de traitement de l'hydrocéphalie avec le système selon l'invention.

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