Pre-stressed spinal stabilization system
OwnerJ. Scott HAY, Ryan SINGH +2inventors
InventorsJ. Scott HAY, Ryan SINGH, David Bradley JONES, Nathanael Robert FERRARI
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Abstract
A spinal stabilization system, including a spinal implant having an elongate polymer body; a wire embedded in the body, the wire straining the polymer body; and a mounting element coupled to the elongate polymer body to facilitate engagement of the body to a spinal segment; and an orthopedic anchor having a threaded shaft; a head coupled to the threaded shaft, the head defining a cavity therein; a prosthesis coupling element at least partially disposed in the cavity and movable with respect to the head; and at least one asymmetrical ring circumscribing a portion of the prosthesis coupling element.
Claims20
A spinal implant, comprising:
- an elongate polymer body;
- a wire embedded in the body, the wire straining the polymer body;
- and
- a mounting element coupled to the elongate polymer body to facilitate engagement of the body to a spinal segment.
An orthopedic anchor, comprising:
- a threaded shaft;
- a head coupled to the threaded shaft, the head defining a cavity therein;
- a prosthesis coupling element at least partially disposed in the cavity and movable with respect to the head;
- and
- at least one asymmetrical ring circumscribing a portion of the prosthesis coupling element.
A method of manufacturing a spinal implant, comprising:
- applying a force to a wire;
- coupling a polymer to the wire through at least one of extrusion or injection molding processes;
- awaiting a time duration for the polymer to at least partially cure;
- and
- removing the force from the wire.
A method of manufacturing a spinal implant, comprising:
- inserting a wire into a substantially cured polymer body;
- applying a force to the wire;
- introducing a substantially uncured polymer onto the substantially cured polymer body;
- awaiting a time duration for the substantially uncured polymer to at least partially cure;
- and
- removing the force from the wire.
The method of claim 20, wherein introducing the substantially uncured polymer onto the substantially cured polymer body includes overmolding the substantially uncured polymer onto the substantially cured polymer body.
Dependencies are inferred from the claim text.