Variable angle spinal screw assembly
A spinal screw assembly providing an adjustable securement of a fixation rod across at least two vertebrae. The assembly includes a pedicle screw having a spherical head portion, a threaded shaft portion and a tool engagement surface in ...
T Purcell，D Hair，Tamas T. Frech
Spinal fixation devices of improved strength and rigidity
This invention relates to spinal implants of improved strength and rigidity. One embodiment relates to U-shaped, top loading spinal rod receivers wherein the threading on the receiver ends above the top of the rod when the rod is in the ...
John R. Cournoyer，Michael S. Varieur，P. Alan Ruiz，... - US
Adjustable bone screw assembly
A bone screw assembly includes a screw body, including anchor portion and rod-receiving portion, and a rod seat movably mounted in the screw body to allow ...
Também publicado como US7951174 , US20070118118 , US20100198273 , US20110208250 , WO2007050373A2 , WO2007050373A3，CODS Inc
VARIABLE ANGLE SPINAL SCREW ASSEMBLY
A spinal screw assembly providing an adjustable securement of a fixation rod across at least two vertebrae. The assembly includes a pedicle screw having a spherical head portion, a threaded shaft portion and a tool engagement surface in ...
P Thomas，H Don，TT Frech
Occipitocervical plate
Methods and systems for occipital-cervical spinal fixation. A plate configured for attachment to the occipital bone has two arms extending out from either side, which turn downwards parallel to one another. A first bend is disposed in th...
DL Brockmeyer，N Avery
Spinal stabilizing system
A bone stabilizing system includes a collar that has a tubular sidewall with an interior surface and an exterior surface each extending between a first end and an opposing second end, the interior surface at least partially bounding a lo...
BA Felix，BT Walker，RK Groberg - US
Occipitocervical plate
Methods, systems, and kits for occipital-cervical spinal fixation are provided. A plate configured for attachment to the occipital bone has two arms extending out from either side, which turn downwards parallel to one another. A first be...
DL Brockmeyer，N Avery - US
PRESS-ON PEDICLE SCREW ASSEMBLY
A tulip assembly (100, 800) configured to be coupled to a screw head (110) having a first diameter (550) includes a housing (106, 806), wherein the housing...
MD Ensign，DT Hawkes
Method and apparatus for performing spinal surgery
Implants, instruments, and methods for performing surgical procedures on the spine, including one or more of creating an operative corridor to the spine, delivering implants to the spine, fusing one or more segments of the spine, and fix...
T Woolley，N Lovell，M Serra - WO
Method of Treating A Degenerate Spinal Segment
A method of treating a degenerate spinal segment comprises obtaining a first spinal implant configured to apply a first torque to a degenerate spinal segment having an abnormal curvature and a second spinal implant configured to apply a ...
AE Bowden，LL Howell，PA Halveson，...
