US Patent 9737411 Worm-gear actuated orthopedic implants and methods
Patent 9737411 was granted and assigned to NLT SPINE on August, 2017 by the United States Patent and Trademark Office.
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An intervertebral implant has at least one arm (14) pivotally connected to a base (10). At least one worm gear configuration includes a worm in (18) mounted within the base (10) so as to be rotatable, and a set of gear teeth (20) associated with the arm (14). When the worm (18) is rotated about its central axis, the arm (14) is driven through a range of pivotal motion relative to the base so as to change an angle of inclination between a direction of elongation (16) of the arm and the direction of elongation (12) of the base. Embodiments of the invention include devices with a hollow proximal worm allowing access into the implant via the worm, distally deployed worms, and devices with a pair of worm gear assemblies that operate synchronously or independently.
US Patent 09737411 Worm-gear actuated orthopedic implants and methods US Patent 9737411 Worm-gear actuated orthopedic implants and methods
US Patent 09737411 Worm-gear actuated orthopedic implants and methods
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