Percutaneous interbody device and nucleus removal system

A - Human Necessities – 61 – B

Patent

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A61B 17/70 (2006.01)

Patent

CA 2617630

One embodiment of the present application includes: performing a medical procedure on a segment of a patient's spine. This segment includes two vertebrae (40a, 40b) each in contact with a spinal disk (30) positioned in an intervertebral disk space (36). A passage (70) is formed that follows a pathway through the vertebrae (40a, 40b) and the intervertebral disk space (36). This passage (70) extends from an extradiscal opening (72a, 72b) through one of the vertebrae (40a, 40b) along a path that turns to change direction. The tubular device (110) is inserted in the passage (70) and extends through the intervertebral disk space (36). A fluid material is introduced into the tubular device (110) to at least partially fill it to provide a spinal prosthetic structure (136). Other embodiments and inventive aspects include other prosthetic device arrangements, implantation methods, systems, and techniques.

Un mode de réalisation de la présente application consiste : à effectuer une procédure médicale sur un segment de l'épine dorsale d'un patient. Ce segment comprend deux vertèbres (40a, 40b) qui sont chacune en contact avec un disque vertébral (30) placé dans un espace de disque intervertébral (36). Un passage (70) pratiqué suit une trajectoire à travers les vertèbres (40a, 40b) et l'espace de disque intervertébral (36). Ce passage (70) s'étend entre une ouverture extradiscale (72a, 72b) à travers une des vertèbres (40a, 40b) le long d'un chemin qui tourne afin de changer de direction. Le dispositif tubulaire (110) est inséré dans le passage (70) et s'étend à travers l'espace de disque intervertébral (36). Un matériau fluide est introduit dans le dispositif tubulaire (110) afin de remplir ce dernier au moins partiellement et de former ainsi une structure prothétique vertébrale (136). D'autres mode de réalisation et aspects de l'invention concernent d'autres systèmes de dispositif prothétiques et leurs procédés, systèmes et techniques d'implantation.

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