EXPANDABLE INTERBODY SPACER

摘要

The present invention relates to devices and methods for treating one or more damaged, diseased, or traumatized portions of the spine, including intervertebral discs, to reduce or eliminate associated back pain. In one or more embodiments, the present invention relates to an expandable interbody spacer. The expandable interbody spacer may comprise a first jointed arm comprising a plurality of links pivotally coupled end to end. The expandable interbody spacer further may comprise a second jointed arm comprising a plurality of links pivotally coupled end to end. The first jointed arm and the second jointed arm may be interconnected at a proximal end of the expandable interbody spacer. The first jointed arm and the second jointed arm may be interconnected at a distal end of the expandable interbody spacer. The first jointed arm and the second jointed arm may each be configured to fold inward in opposite directions to place the expandable interbody spacer in an expanded position.

主权项

1. A surgical method comprising:
removing at least a portion of an intervertebral disc from a disc space; inserting an expandable interbody spacer into the disc space; and expanding the expandable interbody spacer in the disc space, wherein the expandable interbody spacer comprises:
a first jointed arm comprising a plurality of links coupled end to end;a second jointed arm comprising a plurality of links coupled end to end, wherein the first jointed arm and the second jointed arm are interconnected at a proximal portion of the expandable interbody spacer, wherein the first jointed arm and the second jointed arm are interconnected at a distal portion of the expandable interbody spacer; andan elongate body extending through the expandable interbody spacer to cause expansion of the expandable interbody spacer.