1
James F Marino, Dan K Ahlgren: Interlocking spinal inserts. NuVasive, Townsend and Townsend and Crew, June 26, 2001: US06251140 (233 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 ...


2
Dan K Ahlgren: Stackable interlocking intervertebral support system. NuVasive, Jonathan Spangler, February 8, 2005: US06852126 (174 worldwide citation)

A intervertebral support system, comprising: a center portion having top and bottom recesses; a top portion having a bottom recess, the bottom recess in the top portion interlocking with the top recess in the center portion when the top position is positioned on top of the center portion; and a bott ...


3
James F Marino, Dan K Ahlgren: Bony tissue resector. NuVasive, Townsend and Townsend and Crew, August 28, 2001: US06280447 (78 worldwide citation)

The present invention provides a system for resecting bony tissue such as the facet joint processes using a cannulated resector held by a guidance platform. Rotation of the support holding the cannula causes the resecting surface of a rotating burr to move into contact with the facet joint.


4
James F Marino, Corbett W Stone, Dan K Ahlgren, Troy K Christopher, James T McKinley: Spinal surgery guidance platform. NuVasive, Townsend and Townsend and Crew, April 24, 2001: US06221082 (74 worldwide citation)

A spinal surgery system having a base, a cross member suspended from the base, and a pair of cannula guides suspended from the cross member, wherein the cannula guides are adapted to hold cannulae received therein such that the canulae remain co-planar with one another as the cannula guides are move ...


5
James F Marino, Corbett W Stone, Dan K Ahlgren, Troy K Christopher, James T McKinley: Spinal surgery guidance platform. Nu Vasive, Jonathan Spangler, March 11, 2003: US06530930 (68 worldwide citation)

A method of positioning a cannula along a path in a patient's intervertebral plane, comprising: suspending a cross member across a patient, the cross member having two cannula guides attached thereto, the cannula guides each being adjustably movable both along the length of the cross member and ...


6
Kamshad Raiszadeh, Benjamin VerHage, Michael Mindoro, Jared Arambula, Dan K Ahlgren, Michael C Di Lauro: Implants and methods for spinal fusion. NuVasive, NuVasive, Jonathan Spangler, Jennifer Russell, December 27, 2011: US08083796 (20 worldwide citation)

An implant is provided for performing spinal fusion. The implant includes an implant body having a leading side and a trailing side at opposing ends along a longitudinal axis. Between the leading side and trailing side are an upper surface, a lower surface, an anterior side, and a posterior side. At ...


7
Dan K Ahlgren: Stackable spinal support system and related methods. NuVasive, Nuvasive, Jonathan Spangler, February 15, 2011: US07887568 (4 worldwide citation)

An intervertebral support system, comprising: a center portion having top and bottom recesses; a top portion having a bottom recess, the bottom recess in the top portion interlocking with the top recess in the center portion when the top position is positioned on top of the center portion; and a bot ...


8
Kamshad Raiszadeh, Benjamin VerHage, Michael Mindoro, Jared Arambula, Dan K Ahlgren, Michael C Di Lauro: Implants and methods for spinal fusion. NuVasive, Jonathan Spangler, Jennifer Russell, October 27, 2015: US09168152 (3 worldwide citation)

An implant is provided for performing spinal fusion. The implant includes an implant body having a leading side and a trailing side at opposing ends along a longitudinal axis. Between the leading side and trailing side are an upper surface, a lower surface, an anterior side, and a posterior side. At ...


9
Kamshad Raiszadeh, Benjamin VerHage, Michael Mindoro, Jared Arambula, Dan K Ahlgren, Michael C Di Lauro: Implants and methods for spinal fusion. NuVasive, Rory Schermerhorn, March 6, 2018: US09907672

An implant is provided for performing spinal fusion. The implant includes an implant body having a leading side and a trailing side at opposing ends along a longitudinal axis. Between the leading side and trailing side are an upper surface, a lower surface, an anterior side, and a posterior side. At ...


10
Dan K Ahlgren: Stackable spinal support system. NuVasive, Jonathan Spangler, Jennifer Russell, August 11, 2015: US09101484

A system for distracting two tissue surfaces away from one another within a spine, involving a plurality of biocompatible and generally rectangular spinal inserts configured to be successively stacked within a spine to distract the two tissues surfaces away from one another. Each spinal insert has a ...