Surgery – Instruments – Orthopedic instrumentation
Patent
1998-10-28
2000-12-05
Jackson, Gary
Surgery
Instruments
Orthopedic instrumentation
606 69, 606 72, A61B 1756
Patent
active
061560375
ABSTRACT:
An interbody fusion cage has an externally threaded stem projecting from a domed outer end. A contoured plate is provided with an aperture receivable on the stem. The stem threads receive a nut to fix the plate to the cage. Bone screws anchor the plate to vertebral bodies. A hemispherical surface on the plate and surrounding the stem-receiving aperture and bearing on the dome, accommodates universal angulation of the plate relative to the cage. In addition to a cage installation tool, there is a plate installation tool assembly including a cage installer, a plate holder, a nut holder and cage adjuster, a nut driver, and a plate holding prong controller.
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Josse Loic
LeHuec Jean-Charles
Liu Mingyan
Jackson Gary
SDGI Holdings Inc.
Shai Duphna
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