Intervertebral spacer device having a slotted domed arch...

Details Intervertebral spacer device having a slotted domed arch... Intervertebral spacer device having a slotted domed arch...

2005-08-23

2005-08-23

Willse, David H. (Department: 3738)

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

Implantable prosthesis

Bone

C623S017130, C623S017140, C606S064000

Reexamination Certificate

active

06932844

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 slotted domed arch strip 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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