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US 2003/0171755 A1Published application
Bone screws
OwnerColin F. Moseley, Jan Koreskainventors
Life of this patent
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Abstract
The invention relates to a spinal fixation system containing a rod positioned contiguous to and spanning a length of the spine. The rod is held in place by a bone screw that has a double offset at the proximal end, which is connected to a clamping mechanism. The bone screw is secured to the bone and the rod is secured in the clamping mechanism, whereby the clamping mechanism of the new double offset bone screw can be easily moved to accommodate the location of the rod.
Claims23
A bone screw comprising:
- a screw shaft comprising a double offset at a proximal end;
- a head fixed to the shaft proximal to the double offset;
- and
- a clamping mechanism rotatably secured to the head.
1 more element
Dependencies are inferred from the claim text.