Intervertebral spacer device having a multi-pronged domed...

Details Intervertebral spacer device having a multi-pronged domed... Intervertebral spacer device having a multi-pronged domed...

2006-03-21

2006-03-21

McDermott, Corrine (Department: 3738)

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

Implantable prosthesis

Bone

C623S017150, C623S017160

Reexamination Certificate

active

07014658

ABSTRACT:
An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by a spring mechanism. The preferred spring mechanism is a multi-pronged domed spring which is coupled to the upper plate by set screws. The spring includes a socket formed in the peak thereof and mounts onto a ball-shaped head extending outwardly from the lower plate. The spring and post members are thereby flexibly coupled such that the upper and lower plates may rotate relative to one another.

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