Intervertebral spacer device having a wave washer force...

Details Intervertebral spacer device having a wave washer force... Intervertebral spacer device having a wave washer force...

2008-01-01

2008-01-01

Robert, Eduardo C. (Department: 3733)

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

Implantable prosthesis

Bone

Reexamination Certificate

active

10833738

ABSTRACT:
An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by at least one force restoring element. The preferred force restoring mechanism is a wave washer. In a first embodiment the wave washer is ring-shaped. In a second embodiment the wave washer is spiral-shaped.

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