Vertebral plating system

Details Vertebral plating system Vertebral plating system

2011-01-11

2011-01-11

Robert, Eduardo C (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S305000

Reexamination Certificate

active

07867239

ABSTRACT:
A vertebral plating system includes a bone screw and a vertebral plate. The bone screw includes a screw head and a shaft. The screw head includes at least three segments flexibly attached to the shaft and has a spherical outside surface. The plate includes holes to receive the screw and that have a spherical inside surface. A driver tool has pins that are inserted into a pin hole on each segment, and that causes the segments to move towards each other when downward pressure is applied.

REFERENCES:
patent: 6884241 (2005-04-01), Bertranou et al.
patent: 2003/0105462 (2003-06-01), Haider
patent: 2004/0260306 (2004-12-01), Fallin et al.
patent: 2006/0008332 (2006-01-01), Greenberg et al.

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