Frusto-conical interbody spinal fusion implants

Details Frusto-conical interbody spinal fusion implants Frusto-conical interbody spinal fusion implants

2005-08-02

2005-08-02

Reip, David O. (Department: 3731)

Surgery

Instruments

Orthopedic instrumentation

C623S017110, C623S017160

Reexamination Certificate

active

06923810

ABSTRACT:
The present invention is directed to a variety of interbody spinal fusion implants having at least a partially frusto-conical configuration. The spinal fusion implants of the present invention may be relatively solid or hollow and may have surface roughenings to promote bone ingrowth and stability. The spinal fusion implants of the present invention may have wells extending into the material of the implant from the surface for the purpose of holding fusion promoting materials and to provide for areas of bone ingrowth fixation. A variety of surface irregularities may be employed to increase implant stability and implant surface area, and/or for the purpose of advancing the spinal fusion implant into the fusion site.

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