Medical device for treatment of a gap or defect in the...

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/00 (2006.01) A61B 17/11 (2006.01)

Patent

CA 2261216

The invention relates to a medical device (1) of a biocompatible material for use in the treatment of a gap or defect in the central nerve system comprising one or more means (2, 20, 21, 22) containing connections such as holes (3) or channels (4) arranged for receiving nerve growth promoting materials or substances, which device has a proximal (5) and a distal (6) end area comprising openings (7) from the connections (3, 4) which device is marked and arranged for coupling nerves from the grey and white matter of the central nervous system at the proximal end to certain marked areas in the proximal end area and nerves in the grey and white matter at the distal end to certain marked areas in the distal end area. Preferably nerves are redirected from white to grey mass by the arrangement of the wholes and/or channels and the marking of the device. The invention also relates to a method for restoring a deficiency in the spinal cord on humans wherein the device is used and the nerves are connected with a biocompatible glue.

Dispositif médical (1) formé d'un matériau biocompatible, utilisable dans le traitement d'une lacune ou d'un défaut du système nerveux central, composé d'un ou de plusieurs éléments (2, 20, 21, 22) présentant des moyens de connexion tels que des ouvertures (3) ou des canaux (4) conçus pour recevoir des matières ou des substances stimulant la croissance nerveuse. Ce dispositif présente une zone terminale proximale (5) et une zone terminale distale (6) comportant les orifices (7) des moyens de connexion (3, 4). Le dispositif est marqué et conçu de manière à réaliser un couplage des nerfs de la substance grise et de la substance blanche du système nerveux central au niveau de l'extrémité proximale, avec certaines zones marquées de la zone terminale proximale et des nerfs de la substance grise ou blanche, à l'extrémité distale, à certaines zones marquées dans la zone terminale distale. Les nerfs sont redirigés, de préférence, de la matière blanche vers la matière grise par la disposition des trous et/ou des canaux et le marquage du dispositif. L'invention porte également sur une méthode pour réparer un défaut dans la moelle épinière humaine en utilisant ce dispositif et en reconnectant les nerfs avec une colle biocompatible.

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