1
Stephen D Kuslich: Expandable spinal implant and surgical method. Spine Tech, Merchant Gould Smith Edell Welter & Schmidt, October 22, 1991: US05059193 (842 worldwide citation)

An expandable spinal implant is disclosed. The implant includes a plurality of ribs which are deformable between first and second states. In the first state, the ribs present a generally cylindrical implant. In the expanded second state, the ribs are arced outwardly to define a generally spherical i ...


2
Stephen D Kuslich, Douglas W Kohrs: Spinal stabilization surgical method. Spine Tech, Merchant Gould Smith Edell Welter & Schmidt, February 6, 1996: US05489307 (602 worldwide citation)

Spinal fusion implants are inserted into a disc space of disc material separating first and second vertebrae by forming bores between the vertebrae. A distraction spacer is temporarily put in place on one side of the vertebrae while a bore is being formed on an opposite side of the vertebrae.


3
Stephen D Kuslich: Spinal stabilization method. Spine Tech, Merchant Gould Smith Edell Welter & Schmidt, May 14, 1991: US05015255 (554 worldwide citation)

A spinal stabilization method is disclosed for fusing contiguous vertebra in an animal spine. The method includes the steps of forming an access opening into at least a layer of tissue disposed between contiguous vertebra to be fused. Additional portions of the tissue layer as well as material of th ...


4
Richard A Erickson, Steven L Griffith: Intervertebral disc prosthesis and method. Sulzer Spine Tech, Merchant & Gould P C, April 9, 2002: US06368350 (552 worldwide citation)

The present invention is directed to intervertebral prosthetic devices and methods. The intervertebral prosthetic devices and methods of the invention provides a variable instantaneous axis of rotation. In general, the disclosed devices include two bearing surfaces, a first bearing surface being cur ...


5
Douglas W Kohrs, Hansen A Yuan, David W Stassen: Spinal implant. Spine Tech, Merchant Gould Smith Edell Welter & Schmidt, March 11, 1997: US05609636 (537 worldwide citation)

An implant for use in spinal stabilization includes four generally linear thread segments. The thread segments are maintained and spaced apart alignment by rigid supports. The thread segments include a plurality of individual threads with the individual threads of the segments defining a thread patt ...


6
Stephen D Kuslich, James D Corin, George W Bagby: Spinal implant. Spine Tech, Merchant Gould Smith Edell Welter & Schmidt, February 6, 1996: US05489308 (513 worldwide citation)

An implant is disclosed for use in spinal stabilization. In one preferred embodiment, the implant is described as including a hollow, cylindrical body having external threading and a plurality of openings formed radially through the body in communication with the body interior. The holes are positio ...


7
Stephen D Kuslich, James D Corin, George W Bagby: Non-threaded spinal implant. Spine Tech, Merchant Gould Smith Edell Welter & Schmidt, October 17, 1995: US05458638 (504 worldwide citation)

An implant is disclosed for use in spinal stabilization. In one preferred embodiment, the implant is a body having side walls extending between upper and lower walls with openings on the upper and lower walls. The side walls are solid and oppose disk material.


8
Stephen D Kuslich, James D Corin: Intervertebral reamer construction. Spine Tech, Merchant Gould Smith Edell Welter & Schmidt, August 29, 1995: US05445639 (449 worldwide citation)

A surgical tool for use in spinal stabilization for fusing contiguous vertebra in an animal spine. The tool includes a distal end having external dimensions sized for the distal end to be inserted within the animal body and located against a tissue layer between contiguous vertebra. Cutting blades a ...


9
George W Bagby: Apparatus and system for fusing bone joints. Spine Tech, Wells St John Roberts Gregory & Matkin, November 23, 1993: US05263953 (391 worldwide citation)

A coil fusion implant is formed as a length of wire helically wound up or torqued about a center axis. It has terminal sections at opposed ends that can be releasably gripped and axially twisted about the reference axis to reduce the outer diameter of the coil. The coil can be screwed into place bet ...


10
Stephen D Kuslich, James D Corin: Method of making an intervertebral reamer. Spine Tech, Merchant Gould Smith Edell Welter & Schmidt, November 5, 1991: US05062845 (363 worldwide citation)

A surgical tool is disclosed for use in spinal stabilization for fusing contiguous vertebra in an animal spine. The tool includes a distal end having external dimensions sized for the distal end to be inserted within the animal body and located against a tissue layer between contiguous vertebra. Cut ...



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