Expandable fusion device and method of installation thereof
AssigneeGlobus Medical, Inc.
InventorsChad Glerum, Andrew Iott, Mark Adams, Daniel Davenport, Mark Weiman
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Abstract
The present invention provides an expandable fusion device capable of being installed inside an intervertebral disc space to maintain normal disc spacing and restore spinal stability, thereby facilitating an intervertebral fusion. In one embodiment, the fusion device includes a body portion, a first endplate, and a second endplate, the first and second endplates capable of being moved in a direction away from the body portion into an expanded configuration or capable of being moved towards the body portion into an unexpanded configuration. The fusion device is capable of being deployed and installed in both configurations.
Claims8
An expandable device comprising:
- a first endplate;
- a second endplate;
- a body portion that extends along at least a length of the first endplate and the second endplate, the body portion including an interference nut;
- a translation member receivable within the body portion in between the first endplate and the second endplate;
- and
- an actuation member insertable through the body portion and into contact with the translation member, wherein the actuation member passes through the interference nut
- further comprising at least two stabilizing members positioned through the body portion and in contact with the translation member
- wherein each of the at least two stabilizing members includes a substantially smooth portion and a threaded portion.
An expandable device comprising:
- a first endplate;
- a second endplate;
- a body portion that extends along at least a length of the first endplate and the second endplate, the body portion including an interference nut;
- a translation member receivable within the body portion in between the first endplate and the second endplate;
- and
- an actuation member insertable through the body portion and into contact with the translation member,
- further comprising at least two stabilizing members positioned through the body portion and in contact with the translation member
- wherein the at least two stabilizing members each include a substantially smooth portion and a threaded portion.
Dependencies are inferred from the claim text.