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US 2014/0277499 A1Published application
Spinal implants and implantation system
AssigneeBaxano Surgical, Inc.
InventorsStephen D. Ainsworth, Eugene E. Avidano, Leighton J. LaPierre
Life of this patent
Estimating the term…
Abstract
Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for percutaneously accessing and deploying the implants within the spines. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine.
Claims22
-12. (canceled)
A trans-sacral spinal implant for insertion from an anterior target site on the surface of the sacrum into the sacrum, the implant comprising:
- a first body having a leading end, a trailing end, a longitudinal axis through the leading and trailing ends, a length parallel to the longitudinal axis, and a sidewall surrounding the longitudinal axis and extending from the leading end to the trailing end, the first body having an interior surface and an opposite exterior surface;
- a first thread extending along the interior surface of the first body and an exterior thread on the exterior surface of the first body;
- a second body having a leading end, a second trailing end and an exterior surface extending from the leading end to the trailing end, the exterior surface comprising an exterior thread that engages the interior thread of the first body.
A method of treating the spine, comprising the steps of:
- percutaneously accessing an anterior target site on the surface of the sacrum;
- forming a lumen from the access site through the sacrum and into a disc;
- advancing a first and second body into the lumen;
- and
- advancing the second body into the first body.
2 more elements
-40. (canceled)
Dependencies are inferred from the claim text.