Bone plate with multipurpose screw holes for locking and compression screws
A bone plate has an outer surface, a bone-facing surface opposite the outer surface, and an inner surface defining an aperture extending from the outer surface to the bone-facing surface along a central aperture axis. The inner surface also defines a ramp extending from the outer surface toward the...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A bone plate has an outer surface, a bone-facing surface opposite the outer surface, and an inner surface defining an aperture extending from the outer surface to the bone-facing surface along a central aperture axis. The inner surface also defines a ramp extending from the outer surface toward the bone-facing surface and plate threads extending from the ramp toward the bone-facing surface, and the plate threads are configured for optional locking engagement with external threads on a first head of a locking bone fixation member. The inner surface also defines a contact profile in a reference plane extending along the central bore axis. The contact profile is defined at least by the ramp and is spaced apart from the central bore axis in an offset direction perpendicular to the central bore axis. The contact profile is configured to translate the bone plate in the offset direction in response to contact with an outer surface of a second head when the second head of a compression bone fixation member is advance |
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