Intervertebral disc device employing flexible probe

Details Intervertebral disc device employing flexible probe Intervertebral disc device employing flexible probe

A - Human Necessities

61

B

A61B 18/00 (2006.01) A61B 18/14 (2006.01) A61M 25/01 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2449454

An intervertebral disc device is provided comprising a distal probe (236) sized to be extended from a distal end of an introducer (230) that is percutaneously delivered into an interior of an intervertebral disc (120), a distal section of the probe comprising a flexible neck (312) which tapers in a proximal to distal direction, and a distal tip (316) which is larger in cross sectional diameter than the flexible neck adjacent the distal tip, the flexible neck and distal tip serving to prevent the probe distal end from piercing an internal wall of the intervertebral disc; and a proximal handle (212) for externally guiding the probe (236) within an intervertebral disc.

La présente invention concerne un dispositif de disque intervertébral comportant une sonde distale (236) dimensionnée à être prolongée à partir d'une extrémité distale d'un système d'introduction (230) qui est délivrée par voie percutanée dans la partie interne d'un disque intervertébral (120), une portion distale de la sonde comprenant un col flexible (312) qui se rétrécit progressivement dans une direction allant de l'extrémité proximale vers l'extrémité distale, et un embout distal (316) qui est supérieure en section transversale au col flexible adjacent à la pointe distale, le col flexible et l'embout distal servant à empêcher l'extrémité distale de la sonde à perforer une paroi interne du disque intervertébral, et un manche proximal (212) destiné à guider la sonde (236) au sein d'un disque intervertébral.

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