CERVICAL SPINE IMPLANT SYSTEM AND METHOD
First Claim
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1. A posterior plating device to position vertebrae, said device comprising:
- a first motion preservation plate and a second motion preservation plate, each motion preservation plate being adapted to be attached to lateral masses of adjacent vertebrae;
wherein each motion preservation plate includes a top surface and a bottom surface;
wherein the bottom surface of the first motion preservation plate is in sliding engagement with the top surface of the second motion preservation plate to distract adjacent vertebrae; and
wherein at least one motion preservation plate includes a buttress on the anterior engagement surface of the at least one motion preservation plate to increase purchase on a bone.
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Abstract
Systems and methods for treating medical conditions affecting the spine using posterior plating techniques wherein two or more motion preservation plates are used to create joints between adjacent lateral masses. Additionally, embodiments of a facet spacer guide can be used to create a pilot hole in a lateral mass to facilitate screw fixation therein.
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Citations
23 Claims
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1. A posterior plating device to position vertebrae, said device comprising:
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a first motion preservation plate and a second motion preservation plate, each motion preservation plate being adapted to be attached to lateral masses of adjacent vertebrae; wherein each motion preservation plate includes a top surface and a bottom surface; wherein the bottom surface of the first motion preservation plate is in sliding engagement with the top surface of the second motion preservation plate to distract adjacent vertebrae; and wherein at least one motion preservation plate includes a buttress on the anterior engagement surface of the at least one motion preservation plate to increase purchase on a bone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22)
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10. A posterior plating device to position vertebrae, said device comprising:
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a first motion preservation plate and a second motion preservation plate, each motion preservation plate being adapted to be attached to adjacent lateral masses of the vertebrae; wherein each motion preservation plate includes a top surface and a bottom surface; a sliding strut attached to the posterior aspect of the first motion preservation plate, said sliding strut having a top surface and a bottom surface; and wherein the bottom surface of the sliding strut is in sliding engagement with the top surface of the second motion preservation plate to distract the adjacent vertebrae.
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18. A facet spacer guide to facilitate lateral mass screw insertion techniques, said facet spacer guide comprising:
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a base plate having at least one intervertebral wedge and at least one aperture; said facet spacer guide adapted to allow the base plate to be located adjacent to posterior aspects of lateral masses of adjacent vertebrae while the at least one intervertebral wedge is placed between a superior articular facet and a inferior articular facet of the adjacent vertebrae; and wherein the at least one aperture can accept a device to create a hole.
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23. A posterior plating device, said device comprising:
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a first motion preservation plate and a second motion preservation plate, each motion preservation plate being adapted to be attached to lateral masses of adjacent vertebrae; wherein each motion preservation plate includes a top surface and a bottom surface; and wherein the bottom surface of the first motion preservation plate is in engagement with the top surface of the second motion preservation plate to position adjacent vertebrae.
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Specification