Modular implant for fusing adjacent bone structure

Details Modular implant for fusing adjacent bone structure Modular implant for fusing adjacent bone structure

2005-05-31

2005-05-31

Stewart, Alvin (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

Reexamination Certificate

active

06899734

ABSTRACT:
A fusion implant apparatus for facilitating fusion of bone structures includes an implant member for positioning between opposed bone structures having a first ring-like segment and a second ring-like segment which engage one another in an end-to-end manner. Each ring-like segment includes an outer wall which defines an internal cavity for the reception of bone growth inducing substances. Each ring-like segment also includes a plurality of apertures which extend through the outer wall of the ring-like segments in communication with the internal cavity to permit fusion of vertebral bone tissue. The first ring-like segment includes first and second mechanical interfaces. The first mechanical interface is dimensioned to engage a corresponding mechanical interface disposed on the second ring-like segment and the second mechanical interface is dimensioned to mechanically engage an end cap.

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