Vertebral Cage Device With Modular Fixation
AssigneeLDR Medical
InventorsChristian Louis, Jean Huppert, Patrick Tropiano, Thierry Dufour
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Abstract
Various embodiments of intervertebral arthrodesis devices for insertion in an intervertebral space separating opposite faces of two adjacent vertebrae are disclosed. In one embodiment, the device has a ring shaped intervertebral cage having a bar that extends perpendicular to the axis of the spine, the bar has a height less than the rest of the cage, and a surface of the cage contacting the vertebrae has an undulating shape for limiting sliding of the cage in a plane parallel to the vertebrae faces.
Claims18
A rigid, elongated anchor for an intervertebral device comprising:
- an insertion end having a projection part configured for insertion into a vertebra;
- a retention end having at least one protuberance configured to retain the anchor to the device;
- and
- a tongue-like body between the insertion end and the retention end.
An intervertebral device for insertion into a spine, the device comprising an elongated receptacle configured to receive from an edge of the device an elongated, rigid anchor having a tongue-like body and to project a vertebral insertion end of the anchor from an upper or lower side of the device.
Dependencies are inferred from the claim text.