Reinforced bone graft substitutes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 21, 2000
Issued Date -
N/A
app pub date -
Jun 11, 1997
filing date -
Jun 7, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
One embodiment of a spinal spacer 10 includes a body 11 sized and configured for engagement between adjacent vertebrae V. The body 11 includes two opposite faces 12, 14 and an outer surface 13 between the two faces 12, 14. In one embodiment, the body 11 includes deactivated bone material in synergistic combination with a bone growth factor. A sleeve 15 is disposed around the outer surface 13 of the body 11. The sleeve 15 is composed of a second material which is relatively stronger under compressive loads than the biocompatible material of the body 11. Also provided is a plurality of apertures 16 through the sleeve 15 in communication with the outer surface 13 of the body 11 for bone ingrowth. Means for attaching the sleeve to the endplates of adjoining vertebral bodies are also provided.
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