1
Corbett W Stone, James F Marino: Segmented linked intervertebral implant systems. NuVasive, Jonathan Spangler, May 14, 2002: US06387130 (415 worldwide citation)

A method of positioning a plurality of intervertebral implants in a patient's intervertebral space, comprising: introducing an elongated member into the patient's intervertebral space; and sequentially advancing a plurality of intervertebral implants over the elongated member and into the ...


2
Bret A Ferree: Spinal alignment apparatus and methods. NuVasive, Jonathan Spangler, October 12, 2004: US06802844 (352 worldwide citation)

Spinal alignment apparatus includes bodies which connect to vertebra to be aligned, and elongated elements that connect to the bodies. The elements are adjustable relative to the bodies in multiple dimensions, with locking mechanisms that allow the alignment to proceed in an orderly fashion until a ...


3
James F Marino, Corbett W Stone, Troy K Christopher, Jeffrey J Blewett, Brian S Kelleher: Nerve surveillance cannula systems. NuVasive, Jonathan D Spangler, May 13, 2003: US06564078 (318 worldwide citation)

An expandable tip cannula system, comprising: a hollow cannula shaft having a proximal end and a distal end; and an expandable tip mounted at the distal end of the hollow cannula shaft, the expandable tip comprising a plurality of generally-triangular shaped petals held together in a radially-inward ...


4
Bryan Cornwall, James F Marino, Dan Ahlgren, Troy Wooley: Facet screw and bone allograft intervertebral support and fusion system. NuVasive, Jonathan Spangler, November 26, 2002: US06485518 (314 worldwide citation)

An intervertebral support assembly, comprising a pair of bone allografts positioned between two adjacent vertebrae, the bone allografts being positioned towards the anterior portion of the adjacent vertebrae; and a pair of facet screws, each facet screw securing together a facet joint between the tw ...


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Michael Hoey, Corbett Stone, Kevin Foley: Tissue discrimination and applications in medical procedures. NuVasive, Jonathan Spangler, May 23, 2006: US07050848 (277 worldwide citation)

A system and method for discriminating tissue types, controlling the level of therapy to tissue, and determining the health or a known tissue by measuring the characteristics an electrical signal applied to conductive element located within or by the tissue. Additionally, the system and method may b ...


7
Patrick Miles, Scot Martinelli, Eric Finley: Surgical access system and related methods. NuVasive, Jonathan D Spangler, April 24, 2007: US07207949 (260 worldwide citation)

A surgical access system including a tissue distraction assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establi ...


8
Norbert F Kaula, Jeffrey J Blewett, James F Marino: Nerve proximity and status detection system and method. NuVasive, Jonathan Spangler, October 15, 2002: US06466817 (255 worldwide citation)

A method and system for detecting proximity of a nerve to a proximity electrode and status of nerve. The method of detecting the proximity of the nerve to the proximity electrode applies a first electrical signal with multiple current levels to a calibration electrode. The method applies a second el ...


9
James F Marino, Dan K Ahlgren: Interlocking spinal inserts. NuVasive, Townsend and Townsend and Crew, June 26, 2001: US06251140 (226 worldwide citation)

A method of interlocking first and second inserts between adjacent vertebrae comprising: introducing the first insert between adjacent vertebrae; rotating the first insert to anchor the first insert into a fixed position between the adjacent vertebrae; introducing the second insert between the adjac ...


10
Norbert F Kaula, Jeffrey J Blewett, James F Marino: Nerve proximity and status detection system and method. NuVasive, Jonathan D Spangler, February 13, 2007: US07177677 (205 worldwide citation)

A method and system is disclosed for detecting proximity of a nerve to a proximity electrode and status of nerve. The method of detecting the proximity of the nerve to the proximity electrode applies a first electrical signal with multiple current levels to a calibration electrode. The method applie ...