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US 12,661,163 B2Granted
Bone plate with form-fitting variable-angle locking hole
AssigneeDePuy Synthes Products, Inc.
InventorsSimon Bosshard, Jesse Rush, Michael McGurk, Christopher Keegan
Life of this patent
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Abstract
A bone plate includes at least one variable angle locking hole that is configured to threadedly mate with a variable angle locking screw oriented so as to define any angle among a range of angles with respect to a central axis of the VA locking hole at which a threaded head of the locking screw is configured to threadedly purchase with the bone plate in the variable angle locking hole.
Claims20
A system comprising:
- a bone plate comprising:
- an inner surface configured to face the underlying bone, and an outer surface opposite the inner surface;
- and
- an internal surface that extends from the outer surface to the inner surface so as to define a hole that is oriented along a central hole axis, wherein the internal surface includes threading that is interrupted by a recess that is recessed with respect to the threading in a radially outward direction away from the central hole axis, and the threading extends along only three sides of the internal surface;
- and
- a variable angle locking screw having a threaded head, the variable angle locking screw extending along a central screw axis
- wherein the bone plate is configured to mate with the threaded head of the variable angle locking screw in the hole at any angle within a range of angles defined by the central screw axis and the central hole axis, such that the threaded head threadedly purchases with the threading at all three sides of the internal surface, wherein all angles within the range of angles are oblique to the central hole axis, and the range of angles comprises fifteen degrees.
4 more elements
Dependencies are inferred from the claim text.