1
George Frey, John L White, Steven D DeRidder, Harald Ebner: Devices and techniques for a posterior lateral disc space approach. SDGI Holdings, Krieg SeVault, June 13, 2006: US07060073 (230 worldwide citation)

This invention relates to devices and instruments for implant insertion through a posterior lateral opening to the disc space. The instruments include an implant inserter, and the devices include a spinal fusion implant engageable by the implant inserter. The implant provides bilateral support of th ...


2
J Kenneth Burkus, Thomas A Zdeblick, Thomas V McGahan, Steven D DeRidder: Methods and instrumentation for vertebral interbody fusion. SDGI Holdings, Woodard Emhardt Moriarty McNett & Henry, November 18, 2003: US06648895 (164 worldwide citation)

Methods and instrumentation particularly adapted for disc space preparation for insertion of implants from an anterior approach to the spine are provided. The instruments include a guide sleeve defining a channel having overlapping cylindrical working channel portions and lateral non-distracting ext ...


3
Thomas V McGahan, Steven D DeRidder, Dayna Buskirk, Eric C Lange: Anterior impacted bone graft and driver instruments. SDGI Holdings, Woodard Emhardt Moriarty McNett & Henry, January 10, 2006: US06984245 (111 worldwide citation)

Instrument and implants are disclosed which provide for insertion of an implant into an intervertebral disc space from multiple approaches to the spine. Specifically, as a preferred aspect of the invention the implant includes a tapered portion and the implant may be inserted from multiple approache ...


4
Thomas V McGahan, Steven D DeRidder: Distraction instrument with fins for maintaining insertion location. SDGI Holdings, Woodard Emhardt Naughton Moriarty & McNett, August 21, 2001: US06277122 (89 worldwide citation)

A tip for a medical device that distracts two opposing vertebral bodies. The tip has a hub, a boss, and a first longitudinal fin. The boss is attached the hub and has a body, a tapered portion, and a vertex. The first fin is attached to the boss, and projects from at least a portion of the boss&apos ...


5
John L White, Steven D DeRidder, Bret M Berry, George Frey, Jeffrey D Moore, Jeffrey L Scifert, Troy D Drewry, Jeffrey S Smithey, Eric C Lange: Vertebral body and disc space replacement devices. SDGI Holdings, Krieg DeVault, January 31, 2006: US06991653 (62 worldwide citation)

A vertebral replacement device for supporting adjacent vertebrae includes a vertebral body member having at least one of an upper or lower disc replacement member engaged thereto at one end thereof. The disc replacement device can be positioned in a spinal disc space when disengaged from the vertebr ...


6
Roy Lim, Steven D DeRidder: Instruments, implants and methods for positioning implants into a spinal disc space. Warsaw Orthopedic, August 18, 2009: US07575580 (60 worldwide citation)

Instruments, implants and methods are provided for positioning spinal implants in a spinal disc space between adjacent vertebrae. The instruments provide a low profile engagement with the implants and facilitate insertion while minimizing tissue retraction and exposure of the tissue and neural eleme ...


7
Todd C Bonvallet, Eric C Lange, Tom J Francis, Steven D DeRidder: Instruments and techniques for separating bony structures. Warsaw Orthopedic, July 6, 2010: US07749231 (58 worldwide citation)

Instruments and techniques separate or spread adjacent bony structures by inserting a distal spreader assembly into the space between the adjacent bony structures and actuating the spreading members with a proximal actuator assembly.


8
Thomas V McGahan, Steven D DeRidder: Distraction instrument with fins for maintaining insertion location. SDGI Holdings, Woodard Emhardt Moriarty McNett & Henry, July 8, 2003: US06589247 (58 worldwide citation)

A tip for a medical device that distracts two opposing vertebral bodies. The tip has a hub, a boss, and a first longitudinal fin. The boss is attached the hub and has a body, a tapered portion, and a vertex. The first fin is attached to the boss, and projects from at least a portion of the boss&apos ...


9
John L White, Steven D DeRidder, Bret M Berry, George Frey, Jeffrey D Moore, Jeffrey L Scifert, Troy D Drewry, Jeffrey S Smithey, Eric C Lange: Vertebral body and disc space replacement devices. November 10, 2009: US07615078 (54 worldwide citation)

A vertebral replacement device for supporting adjacent vertebrae includes a vertebral body member having at least one of an upper or lower disc replacement member engaged thereto at one end thereof. The disc replacement device can be positioned in a spinal disc space when disengaged from the vertebr ...


10
Thomas Zdeblick, Thomas V McGahan, Steven D DeRidder: Methods and instruments for laparoscopic spinal surgery. SDGI Holdings, Woodard Emhardt Naughton Moriarty & McNett, February 4, 2003: US06514260 (51 worldwide citation)

Surgical techniques and instruments are provided for performing surgical procedures in a disc space. The instrument includes a sleeve having a distal end and an opposite proximal end and a working channel extending therebetween. The working channel includes a first portion and an adjacent second por ...



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