Spinal fixation system and kit
AssigneeMayo Foundation for Medical Education and Research
InventorsBrett Freedman, Kendall Dennis
Life of this patent
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Abstract
A spinal fixation system includes an expandable disc replacement body and an angle-setting disc replacement holder; The expandable disc replacement body includes a first wall, a second wall, and a hinge connecting the first wall and the second wall. An insertion instrument may be used to implant the expandable disc replacement body into a subject. The disc replacement holder is positioned between the first wall and the second wall, and an angle and/or height between the first wall and the second wall can be varied by adjustment of the disc replacement holder and locked into place using locking mechanisms.
Claims16
A kit for a spinal fixation system comprising:
- (i) an expandable disc replacement body including a first wall, a second wall, a hinge connecting the first wall and the second wall, and a locking mechanism including a first arm coupled to the first wall, a second arm coupled to the second wall, and a first locking wall, wherein the first arm, second arm, and first locking wall are positioned between the first wall and the second wall,
- (ii) an anterior plate configured to provide fixation for the expandable disc replacement body in a subject;
- and
- (iii) an angle adjustment instrument, wherein an angle between the first wall and the second wall is adjusted with the angle adjustment instrument, and the angle can be locked in place at a time of implantation in the subject,
- wherein opposite surfaces of the first arm engage the first arm between the second arm and the first locking wall to lock the angle in place.
Dependencies are inferred from the claim text.