Nerve deflecting conduit needle and method

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/34 (2006.01) A61B 17/32 (2006.01) A61B 17/00 (2006.01) A61B 17/02 (2006.01)

Patent

CA 2208848

This invention relates to devices and methods for accessing the spinal epidural space via the neural foramen. In one aspect of this invention, a deflecting conduit needle device (10) is disclosed having an elongated body extending substantially along a first axis. The device has a proximal end and a distal end (12), and a transverse conduit (18), positioned along the distal one-eigth of the device and extending substantially along a second axis, wherein the second axis is positioned at an acute angle relative to the first axis. In another aspect of the invention, a method is disclosed for accessing the spinal epidural space via the neural foramen.

L'invention porte sur des dispositifs et procédés permettant d'accéder à l'espace médullaire péridural par le canal par le trou vertébral. Un premier aspect de l'invention concerne une aiguille à conduit déflecteur (10) présentant un corps allongé s'étendant sensiblement le long d'un premier axe, une extrémité proximale et une extrémité distale (12) et un conduit traversant (18) situé à un huitième de la longueur de l'aiguille côté distal et orienté selon un axe faisant un angle aigu avec le premier axe. Un deuxième aspect de l'invention porte sur un procédé permettant d'accéder à l'espace médullaire péridural par le trou vertébral.

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