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US 11,304,730 B2Granted
Tethered restraint of vertebral bodies
AssigneeOrthoPediatrics Corp.
InventorsAngus James Gray, Evangelos Tozakoglou, Matt Prygoski, Collin Gibbs
Life of this patent
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Abstract
Methods and devices for the tailored restraint of two separate bones, in which the bones are generally permitted to rotate relative to one another, or move toward each other, but are restrained from separating beyond a predetermined, fixed distance. In some embodiments, the restraint is provided by compressing a tether into a notched groove.
Claims7
An apparatus for tethered connection between bones, comprising:
- a bone screw having a shaft with threads;
- a cap having a through aperture sized to accept therethrough the shaft, said cap including a wedging surface;
- and
- a tethering restraint member having a first channel between first opposing converging walls, said member defining a through aperture sized to accept therethrough the shaft, the first channel including a first region wherein the width of the channel between the first converging walls is a minimum;
- wherein placement of said screw through both the cap aperture and the member aperture and attachment of said screw to a bone aligns the wedging surface relative to one of the converging walls to create a second channel between the wedging surface and the one wall.
2 more elements
Dependencies are inferred from the claim text.