Telescoping Bone Screw
AssigneeAdvanced Orthopaedic Solutions, Inc.
InventorScott Epperly
Life of this patent
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Abstract
A bone screw for treating a bone fracture having a plunger assembly and a detent assembly on a body portion thereof. The detent assembly includes a detent member that is movable between a first and second position. The plunger assembly includes a threaded engagement portion and a plunger portion. The plunger portion is slidably disposed within a chamber of the body. The detent assembly operative to secure the body whereby said plunger portion moves independent of said body.
Claims20
An apparatus for repairing a bone fracture comprising:
- a body, said body having a socket formed in one end thereof;
- a plunger assembly, said plunger assembly including a plunger member disposed in said socket and moving independently of said body;
- and
- a detent member located on said body, said detent member movable between a first and a second position wherein positioning said detent member in said second position operates to secure said body from movement relative to a bone nail.
An apparatus as set forth in claim 3 wherein said drive assembly includes a threaded member.
A bone screw for use in combination with a bone nail to treat a bone fracture comprising:
- a body, said body having a socket formed in one end thereof;
- a detent member located on said body, said detent member movable between a first and a second position wherein said second position of said detent member includes at least a portion of said detent member extending above an outer surface of said body whereby positioning said detent member in said second position operates to secure said body from movement relative to the bone nail;
- and
- a drive member operative to engage said detent member and move said detent member towards said second position.
Dependencies are inferred from the claim text.