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US 2015/0032161 A1Published application
Adjustable Occipital Plate
AssigneeAlphatec Spine, Inc.
InventorsThomas Purcell, Frank Eismont
Life of this patent
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Abstract
An adjustable occipital plate includes a fixation plate, at least one lateral rod configured to be coupled to said fixation plate, at least one laterally sliding link configured to be coupled to and configured to be compressed around said at least one lateral rod to create a friction fit, and at least one rod connector coupled to said at least one laterally sliding link that is configured to receive at least one posterior cervical rod.
Claims20
An adjustable occipital plate assembly, comprising:
- a fixation plate;
- a lateral rod coupled with the fixation plate;
- a pair of links configured to rotate and translate about the lateral rod;
- a pair of rod connectors coupled with the pair of links;
- and
- a pair of set screws.
3 more elements
An adjustable occipital plate, comprising:
- a fixation plate;
- at least one lateral rod configured to be coupled to said fixation plate;
- at least one laterally sliding link configured to be coupled to and configured to be compressed around said at least one lateral rod to create a friction fit;
- and
- at least one rod connector coupled to said at least one laterally sliding link that is configured to receive at least one posterior cervical rod.
2 more elements
An adjustable occipital plate assembly, comprising:
- a fixation plate including
- first end with a pair of openings and
- a second end with a protrusion that extends away at an angle from a first plane formed by the pair of openings and that includes a contoured extension configured to contain a bone graft between the cranium and a cervical vertebra;
- a pair of screws configured to engage the pair of openings to attach the fixation plate to a cranium;
- a lateral rod coupled with the second end and extending transverse to the fixation plate in a second plane substantially parallel to the first plane;
- a pair of links configured to rotate and translate about the lateral rod, each link including
- a link top portion with a top opening,
- a link bottom portion, and
- a round portion coupling the top portion and bottom portion that wraps around a portion of the lateral rod;
- a pair of rod connectors coupled with the pair of links, each rod connector including
- a connector base portion coupled with the bottom portion,
- a connector top portion extending through the top opening and having a threading, and
- a channel configured to receive a cervical fixation rod;
- and
- a pair of set screws, each set screw configured to engage the threading of a respective rod connector to secure a respective cervical fixation rod.
12 more elements
Dependencies are inferred from the claim text.