Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
2007-05-31
2011-11-01
Robert, Eduardo C (Department: 3733)
Surgery
Instruments
Orthopedic instrumentation
C606S246000, C606S248000
Reexamination Certificate
active
08048120
ABSTRACT:
A modular implant for stabilizing the relative motion of spinal vertebrae comprises at least two pairs of plates which connect to two adjacent spinous processes, a spacer configured to be positioned between the spinous processes, and a fastener which pivotably connects to the plates and the spacer. The spacer is interchangeable and may comprise a variety of materials, each providing a different level of elasticity to the spinous processes. Relative motion between vertebrae can also be controlled by varying the surface configuration of the plates and by varying threading of the fastener. Several implants may be linked to provide stabilization across multiple vertebral levels, and the relative motion provided at each vertebral level may differ. A method for revising the implant is provided which comprises accessing the implant and replacing the spacer.
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Fallin Thomas Wade
Justin Daniel F.
Daniels Barbara
Johnson Peter K.
Larson James
Medicine Lodge Inc.
Plionis Nicholas
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