Splay control closure for open bone anchor

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United States of America Patent

PATENT NO 9770265
SERIAL NO

14567217

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Importance

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Abstract

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Open implant closure structures include a helically wound guide and advancement flange form having splay control surfaces. Multi-start closures and closures with inner set screws have splay control contours for interlocking with cooperating flange forms of bone anchor receivers. Flange form heights, thicknesses and other geometry, such as splay control ramp angle may be varied.

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Patent Owner(s)

  • JACKSON, ROGER P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jackson, Roger P Prairie Village, US 607 36115
Surber, James L Kansas City, US 142 3426

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