Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
James R. Neff0
Date of Patent
February 13, 2007
0Patent Application Number
108680870
Date Filed
June 15, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A bone screw has a spring section to allow the screw to elongate while it is being installed. The screw has a cavity with a proximal drive surface and a distal drive surface. The drive surfaces are located on opposite sides of the spring section. A drive tool that has proximal and distal drive members fits within the cavity. Rotating the drive tool transmits torque to both the proximal and distal drive sockets simultaneously.
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