Patent ID: 7556639
Filing Date: 2009-07-07
Classification: A61B

Abstract:
1. A stabilization element for implantation in a patient, comprising: a spring element including a plurality of helical coils terminating at first and second ends; and at least one sleeve, including: (i) a closed first end, (ii) an open second end, (iii) at least one threaded bore extending from the open second end of the at least one sleeve and being sized and shaped to thread onto the helical coils of the spring element, and (iv) at least one slot extending from the threaded bore through to an external surface of the sleeve, extending longitudinally at least partially along a length of the sleeve, wherein the at least one sleeve is operable to engage a tulip of a bone anchor, and to only cap at least one of the first end and the second end of the spring element.