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US 2003/0153914 A1Published application
Rod distance retainer
AssigneeShowa Ika Kohgyo Co., Ltd.
InventorsKazuya Oribe, Hiroshi Takamido
Life of this patent
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Abstract
A rod distance retainer comprises a coupler link including rod engaging concave portions which engage a pair of rods fixing a plurality of adjacent vertebral bodies, and fixing screws which fix the rods which is engaged with the rod engaging concave portions. In the rod distance retainer of the present invention, taper faces are formed on tip portions of the fixing screws to enable the fixing screws to abut on peripheral surfaces of the rods.
Claims5
A rod distance retainer, comprising:
- a coupler link including rod engaging concave portions which engage a pair of rods, the rods fixing a plurality of adjacent vertebral bodies;
- and
- fixing screws which fix the rods to the rod engaging concave portions,
- wherein taper faces are formed on tip portions of the fixing screws to enable the fixing screws to abut on peripheral surfaces of the rods.
1 more element
Dependencies are inferred from the claim text.