LOAD-SHARING BONE ANCHOR, DYNAMIC VERTICAL ROD AND ASSEMBLIES FOR DYNAMIC STABILIZATION OF THE SPINE

Title:

LOAD-SHARING BONE ANCHOR, DYNAMIC VERTICAL ROD AND ASSEMBLIES FOR DYNAMIC STABILIZATION OF THE SPINE

Document Type and Number:

WIPO Patent Application WO/2010/036950

Kind Code:

A3

Abstract:

A versatile dynamic bone anchor and spinal rod for use in a dynamic stabilization system to support the spine while providing for the preservation of spinal motion. The dynamic bone anchor provides load sharing while preserving range of motion. The dynamic bone anchor includes a deflectable post connected by a ball-joint to a threaded anchor. Deflection of the deflectable post is controlled by a compliant member. The dynamic rod is connected to the dynamic bone anchor by a joint which permits relative movement of the deflectable post and rod reducing the stress exerted upon the bone anchors and spinal anatomy.

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Inventors:

WINSLOW CHARLES J (US)
MITCHELL STEVEN T (US)
FLYNN JOHN J (US)
ZUCHERMAN JAMES F (US)
HSU KEN Y (US)
KLYCE HENRY A (US)
KLYCE H ADAM R (US)

Application Number:

PCT/US2009/058466

Publication Date:

July 22, 2010

Filing Date:

September 25, 2009

Export Citation:

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Assignee:

SPARTEK MEDICAL INC (US)
WINSLOW CHARLES J (US)
MITCHELL STEVEN T (US)
FLYNN JOHN J (US)
ZUCHERMAN JAMES F (US)
HSU KEN Y (US)
KLYCE HENRY A (US)
KLYCE H ADAM R (US)

International Classes:

A61B17/70; A61B17/58; A61B17/86

Foreign References:

US20030163133A1	2003-08-28
US6280443B1	2001-08-28
US20070161995A1	2007-07-12

Other References: