Patent ID: 8262738

Claim:
A device for insertion between vertebral members in a patient, the device comprising: first and second end members each including a first side and an opposing second side; an enclosure member that extends around and is attached to each of the first and second end members and forms an interior volume between the end members; the first end member attached to the enclosure member at a first location and the second end member attached to the enclosure member at a second location that is spaced apart from the first location, the second sides of the first and second end members facing into the interior volume; the first and second end members positioned within the enclosure member and being spaced from the vertebral members by the enclosure member when the containment device is inserted between the vertebral members; the enclosure member positionable between a first orientation with the first and second end members in closer proximity and the interior volume being smaller, and a second orientation with the first and second end members spaced a farther distance apart and the interior volume being larger; the enclosure member attached to the first sides of the first and second end members; the first and second end members each being attached to the enclosure member and move apart when the enclosure member moves from the first orientation to the second orientation.