Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1998-06-09
1999-03-30
Tucker, Guy V.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
606 61, A61B 1770
Patent
active
058882235
ABSTRACT:
An anterior fixation device comprises an oval shaped intervertebral spacer and a retaining plate. The spacer has a side wall and superior and inferior walls. The superior and inferior walls are dome-shaped and porous to allow bone to grow through the device to achieve fusion of two adjacent vertebral bodies. Extending from the anterior side of the spacer are superior and inferior lips through which bone screws 16 extend. The bone screws are non-weight bearing and screw into the strongest areas of bone within the vertebral bodies. The intervertebral spacer is hollow inside to allow for bone grafts, bone morphogenic protein, or other bone stimulating substances to be inserted therein. The retaining plate is attachable to the anterior surface of the spacer to prevent the bone screws from backing out once the device is installed.
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Advertisement for Orion, "Anterior Cerical Plate System", Danek Medical, Inc., 1994.
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