Dynamic compression device and driving tool

Details Dynamic compression device and driving tool Dynamic compression device and driving tool

2007-02-13

2007-02-13

Robert, Eduardo C. (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

10868087

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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Managing Motion, Utilizing Heli-Cal Flexure Technology, by Helical Products Company, Inc., pp. 1-32.

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