Locking fastener for use with dynamic bone fracture plates
AssigneeSpinal Simplicity, LLC
InventorsTodd Moseley, Adam Rogers
Life of this patent
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Abstract
A fastener for use with a bone plate having a spring loaded fastener locking clip includes a cylindrical head portion having an outer periphery and defining a longitudinal axis, a threaded body portion configured for insertion through a fastener receiving aperture of the bone plate, an annular shoulder formed between the cylindrical head portion and the threaded body portion, the annular shoulder having an outer periphery, and at least one anti-rotation flange extending between the outer periphery of the cylindrical head portion and the outer periphery of the annular shoulder.
Claims20
A fastener for use with a bone plate having a spring loaded fastener locking clip, comprising:
- a cylindrical head portion having an outer periphery and defining a longitudinal axis;
- a threaded body portion configured for insertion through a fastener receiving aperture of the bone plate;
- an annular shoulder formed between the cylindrical head portion and the threaded body portion, the annular shoulder having an outer periphery;
- and
- at least one anti-rotation flange extending between the outer periphery of the cylindrical head portion and the outer periphery of the annular shoulder.
A bone plate assembly, comprising:
- at least one plate segment having at least one fastener receiving aperture extending therethrough for receiving a head portion of a fastener;
- and
- at least one spring loaded fastener locking clip supported by the plate segment and intersecting the at least one fastener receiving aperture for retaining the head portion of the fastener with respect to the plate segment;
- the fastener including:
- a cylindrical head portion having an outer periphery and defining a longitudinal axis;
- a threaded body portion configured for insertion through a fastener receiving aperture of the bone plate;
- an annular shoulder formed between the cylindrical head portion and the threaded body portion, the annular shoulder having an outer periphery;
- and
- at least one anti-rotation flange extending between the outer periphery of the cylindrical head portion and the outer periphery of the annular shoulder.
A method for implanting a bone plate assembly, comprising:
- providing a fastener for use with the bone plate assembly having a spring loaded fastener locking clip, the fastener comprising:
- a cylindrical head portion having an outer periphery and defining a longitudinal axis;
- a threaded body portion configured for insertion through a fastener receiving aperture of a bone plate segment;
- an annular shoulder formed between the cylindrical head portion and the threaded body portion, the annular shoulder having an outer periphery;
- and
- at least one anti-rotation flange extending between the outer periphery of the cylindrical head portion and the outer periphery of the annular shoulder;
- inserting the fastener into a fastener receiving aperture of the bone plate segment extending therethrough, the fastener receiving aperture configured for receiving the cylindrical head portion of the fastener;
- and
- retaining the cylindrical head portion of the fastener using at least one spring loaded fastener locking clip supported by the plate segment and intersecting the fastener receiving aperture.
Dependencies are inferred from the claim text.