Translational occipital vertebral fixation system
First Claim
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1. An occipital plating system, comprising:
- plate including a central portion extending along a medial-lateral axis between opposite lateral portions, said plate further including a top surface and a bottom surface opposite said top surface, said bottom surface for positioning distally toward an occiput, said central portion of said plate including at least one fastener hole extending between said top and bottom surfaces to receive a fastener therethrough, said lateral portions each including a coupling member associated therewith extending proximally from said top surface, said coupling members each being configured to engage a connecting element extending from a vertebra to the occiput, wherein;
at least one of said lateral portions includes an elongated slot extending along said medial-lateral axis that opens at said top and bottom surfaces;
a mounting member is secured to said at least one lateral portion and extends across said elongated slot along said medial-lateral axis;
said associated coupling member is positioned on said mounting member and said associated coupling member is translatable on said mounting member in said elongated slot relative to said at least one lateral portion;
said mounting member is an elongated pin extending across said elongated slot between opposite sides of said at least one lateral portion;
said coupling member includes a channel for receiving the connecting element and a transverse bore extending through said coupling member that is isolated from said channel; and
said elongated pin is positioned through said transverse bore with said coupling member being slidable along said elongated pin and rotatable on said elongated pin.
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Abstract
An occipital plating system includes a fixation assembly with a plate and a coupling member extending from a respective one of opposite lateral portions of the plate. The coupling members include a channel to receive a connecting element extending from the spinal column. The coupling members are rotatable and translatable relative to the plate.
28 Citations
18 Claims
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1. An occipital plating system, comprising:
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plate including a central portion extending along a medial-lateral axis between opposite lateral portions, said plate further including a top surface and a bottom surface opposite said top surface, said bottom surface for positioning distally toward an occiput, said central portion of said plate including at least one fastener hole extending between said top and bottom surfaces to receive a fastener therethrough, said lateral portions each including a coupling member associated therewith extending proximally from said top surface, said coupling members each being configured to engage a connecting element extending from a vertebra to the occiput, wherein; at least one of said lateral portions includes an elongated slot extending along said medial-lateral axis that opens at said top and bottom surfaces; a mounting member is secured to said at least one lateral portion and extends across said elongated slot along said medial-lateral axis; said associated coupling member is positioned on said mounting member and said associated coupling member is translatable on said mounting member in said elongated slot relative to said at least one lateral portion; said mounting member is an elongated pin extending across said elongated slot between opposite sides of said at least one lateral portion; said coupling member includes a channel for receiving the connecting element and a transverse bore extending through said coupling member that is isolated from said channel; and said elongated pin is positioned through said transverse bore with said coupling member being slidable along said elongated pin and rotatable on said elongated pin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An occipital plating system, comprising:
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a plate including a central portion extending along a medial-lateral axis between opposite first and second lateral portions, said plate further including a top surface and a bottom surface opposite said top surface, said bottom surface for positioning distally toward an occiput, said central portion of said plate including at least one fastener hole extending between said top and bottom surfaces to receive a fastener therethrough, said first and second lateral portions each including a coupling member associated therewith extending proximally from said top surface, said coupling members each being configured to engage a connecting element extending from a vertebra to the occiput, wherein; said first and second lateral portions each include an elongated slot extending along said medial-lateral axis that opens at said top and bottom surfaces; first and second mounting members are secured to respective ones of said first and second lateral portions, said first and second mounting member each extend across said elongated slot of said respective lateral portion in a direction along said medial-lateral axis; said coupling members of said first and second lateral portions are positioned on said respective mounting member and each of said coupling members is translatable on said respective mounting member between opposite sides of said elongated slot; said first and second mounting members each being an elongated pin extending across said elongated slot between opposite sides of said at least one lateral portion; said coupling members include a channel for receiving the connecting element and a transverse bore extending through said coupling members that is isolated from said channel; and said elongated pins are positioned through said transverse bore with said coupling members being slidable along said elongated pins and rotatable on said elongated pins. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification