Mechanical apparatus and method for artificial disc replacement

Details Mechanical apparatus and method for artificial disc replacement Mechanical apparatus and method for artificial disc replacement

A - Human Necessities

61

F

A61F 2/44 (2006.01)

Patent

CA 2632189

The present invention relates to a device and method which may be used to reinforce the native annulus during spinal surgery. The device is a catheter based device which is placed into the inter-vertebral space following discectomy performed by either traditional surgical or endoscopic approaches. The distal end of the catheter is comprised of an expansile loop which may be increased in diameter by advancement of a portion of the catheter via its proximal end, such proximal end remaining external to the body. The expansile loop may be formed of a woven or braided material and may be made of select biocompatible polymer.

La présente invention concerne un dispositif et un procédé permettant de renforcer l'anneau d'origine pendant une intervention chirurgicale sur la colonne vertébrale. Le dispositif consiste en un dispositif installé sur un cathéter, lequel est placé dans l'espace intervertébral après une discectomie pratiquée selon des procédures de chirurgie classique, ou par endoscopie. L'extrémité distale du cathéter est constituée d'une boucle extensible dont le diamètre peut être agrandi par avancement d'une partie du cathéter à travers l'extrémité proximale, cette extrémité proximale restant à l'extérieur du corps. La boucle extensible peut être constituée d'un matériau tissé ou tressé et elle peut être réalisée à partir d'un polymère biocompatible choisi.

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