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US 2008/0177314 A1Published application
Modular occipital plate
AssigneeZimmer Spine, Inc.
InventorJeremy Lemoine
Life of this patent
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Abstract
A system and associated method are provided for mechanically fixating a region of a skull to a portion of a spine. A plate is provided to contact a region of a skull and be secured thereto. A spinal rod is configured to extend from a location adjacent the plate to a location adjacent at least one vertebra. An adjustable housing is provided to secure the rod to the plate, and has a first position wherein the relative position of the rod to the plate can be adjusted and a second position wherein the relative position of the rod to the plate is secured.
Claims35
A system for fixing a region of the skull to a portion of the spine, the system comprising:
- a plate configured to contact a region of the skull and be secured thereto, the plate having a top surface and at least one elongated slot defined therein, the at least one elongated slot having a transverse dimension and the plate having at least one threaded opening in communication with the at least one elongated slot;
- an adjustable housing having a body portion and a base portion, the body portion having a channel defined therein to receive a spinal rod, the base portion having a first cross dimension,
- the adjustable housing further including a threaded exterior surface;
- and
- the adjustable housing configured to be received by the elongated slot, the threaded exterior surface configured to be received in the threaded opening of the plate.
2 more elements
A method for fixing a region of the skull to a portion of the spine, the method comprising:
- securing a plate to a region of the skull, the plate having a top surface and at least one elongated slot defined therein, the at least one elongated slot having a transverse dimension and the plate having at least one threaded opening in communication with the at least one elongated slot;
- receiving an adjustable housing in the elongated slot, the adjustable housing having a body portion and a base portion, the body portion having a channel defined therein to receive a spinal rod, the base portion having a first cross dimension, the adjustable housing further including a threaded exterior surface, the threaded exterior surface configured to be received in the threaded opening of the plate.
A system for fixing a region of the skull to a portion of the spine, the system comprising:
- a plate configured to contact a region of the skull and be secured thereto, the plate having a top surface and first and second elongated slots defined therein, the first and second elongated slots having a transverse dimension and the plate having a first threaded opening in communication with the first elongated slot and a second threaded opening in communication with the second elongated slot, the plate further having at least one opening to receive a fastener therethrough to secure the plate to the skull:
- a first adjustable housing having a body portion and a base portion, the base portion having a threaded exterior surface configured to be received in the first threaded opening, the body portion having a channel defined therein to receive a first spinal rod and having threads therein to receive a first securing device and secure the first spinal rod within the channel, wherein the first adjustable housing is drawn from a first position in which the first adjustable housing is slideably received in the elongated slot to a second position in which the first adjustable housing is locked in position in the elongated slot upon securing of the first securing device;
- a second adjustable housing having a body portion and a base portion, the base portion having a threaded exterior surface configured to be received in the first threaded opening, the body portion having a channel defined therein to receive a first spinal rod and having threads therein to receive a second securing device and secure the first spinal rod within the channel, wherein the second adjustable housing is drawn from a first position in which the second adjustable housing is slideably received in the elongated slot to a second position in which the second adjustable housing is locked in position in the elongated slot upon securing of the second securing device;
- a first bone hook having a receiver channel therein configured to receive the first spinal rod and having threads to receive a third securing device and secure the first spinal rod;
- and
- a second bone hook having a receiver channel therein configured to receive the second spinal rod and having threads to receive a fourth securing device and secure the second spinal rod.
3 more elements
Dependencies are inferred from the claim text.