Patent ID: 7875079

Claim:
A containment device for insertion between vertebral members in a patient, the containment device comprising: an enclosure member forming an exterior wall surrounding an interior volume and further including an opening in the exterior wall that exposes the interior volume to atmospheric pressure; first and second end members each contained within the interior volume and each including an outer side coupled to the exterior wall of the enclosure member and an inner side that faces into the interior volume; the first and second end members coupled to opposing sections of the enclosure member and positioned on opposing sides of the opening; the first and second end members 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 member 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 first and second end members being coupled to the enclosure member in both the first and second orientations.