Methods and instruments for interbody surgical techniques

Details Methods and instruments for interbody surgical techniques Methods and instruments for interbody surgical techniques

A - Human Necessities

61

B

A61B 17/16 (2006.01) A61B 17/17 (2006.01) A61B 17/32 (2006.01) A61B 17/00 (2006.01) A61B 17/02 (2006.01)

Patent

CA 2426019

This invention relates to methods and instruments for performing a surgical procedure in a disc space between adjacent vertebrae. The instruments include a distractor (18) and a cutting instrument (52). In one embodiment the distractor includes a body portion (20) and a pair of flanges (26, 28) extending along opposite sides of the body portion (20) such that a slot (42, 44) is formed between the flanges (26, 28) and the body portion (20). The cutting instrument (52) is positionable over the body portion (20) and into the slots (42, 44) of the distractor (18) so that the flanges (26, 28) are positioned between the cutting instrument (52) and the adjacent tissue.

Cette invention concerne des méthodes et des instruments permettant de réaliser une intervention chirurgicale dans un espace discal intervertébral. Les instruments comprennent un séparateur (18) et un outil coupant (52). Selon un mode de réalisation, le séparateur comprend une partie corps (20) et une paire de collerettes (26, 28) disposées contre les bords opposés de la partie corps (20) de telle sorte qu'il y ait une fente (42, 44) entre les collerettes (26, 28) et la partie corps (20). L'outil coupant (52) vient se positionner sur la partie corps (20) et à l'intérieur des fentes (42, 44) du séparateur (18) de sorte que les collerettes (26, 28) se trouvent entre l'outil coupant (52) et le tissu adjacent.

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