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William L Dunbar Jr, Christopher Ryan Rybicki, Ian Charles Burgess: Spinal rod approximators. Depuy Spine, February 15, 2011: US07887539 (65 worldwide citation)

Spinal rod approximator for seating a stabilizing rod in a rod-receiving portion of a spinal implant and inserting a closure mechanism is provided. In one embodiment, a spinal rod approximator is provided including a body with gripping branches, inserter shaft, threaded collar, and outer sleeve. The ...


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Benjamin Arnold, Charles M Bartish Jr, Seungkyu Daniel Kwak, William L Dunbar Jr, John Riley Hawkins, Amie Borgstrom, Erasmo A López, Anwar M Upal, Missoum Moumene: Spinal anchoring screw. DePuy Spine, Maginot Moore & Beck, April 2, 2013: US08409256 (5 worldwide citation)

A spine stabilization system having a dynamic screw comprises at least one bone anchor assembly comprising a receiver member and a bone engaging member pivotably connected to the receiver member. A bearing is provided in the receiver member that engages a portion of the bone engaging member. An elon ...


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Benjamin Arnold, Seungkyu Daniel Kwak, John Riley Hawkins, Erasmo A Lopez, Missoum Moumene, Charles M Bartish Jr, William L Dunbar Jr, Amie Borgstrom, Anwar M Upal: Spinal anchoring screw. DePuy Synthes Products, Maginot Moore & Beck, April 25, 2017: US09629662

A spine stabilization system includes at least one bone anchor assembly, the bone anchor assembly including a bone engaging member and a receiver member, wherein the receiver member includes a connecting member cavity, and an elongated connecting member inserted into the connecting member cavity and ...


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William L Dunbar JR, Christopher Ryan Rybicki, Ian Charles Burgess: Spinal Rod Approximator. Philip S Johnson, Johnson & Johnson, February 10, 2011: US20110034962-A1

Spinal rod approximator for seating a stabilizing rod in a rod-receiving portion of a spinal implant and inserting closure mechanism is provided. In one embodiment, a spinal rod approximator is provided including a body with gripping branches, inserter shaft, threaded collar, and outer sleeve.