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US 7,458,988 B2Granted
Compressible corpectomy device
AssigneeWarsaw Orthopedic, Inc.
InventorsHai H. Trieu, Michael C. Sherman, Bret M. Berry
Life of this patent
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Abstract
A vertebral implant device for interposition between two vertebral endplates comprises an outer body and an inner body. The outer body movably engages the inner body. A core member positioned between the outer body and the inner body is at least partially compressed when a load is applied to the implant device.
Claims23
A vertebral implant device for interposition between two vertebral bodies, the device comprising:
- an outer body including a chamber and a first vertebral interface endwall textured for engagement with one of the two vertebral bodies;
- an inner body including a second vertebral interface endwall textured for engagement with the other of the two vertebral bodies, wherein the outer body includes at least one slot and the inner body includes at least one tab, and wherein the tab movably engages the slot;
- and
- a core member positioned entirely within the chamber,
- wherein the outer body is movably engaged with the inner body and wherein responsive to a load applied to the device, the outer and inner body at least partially compress the core member and,
- wherein the outer body and inner body each comprise a cavity for containing bone growth promoting material.
3 more elements
Dependencies are inferred from the claim text.