William E. Duffield
7 Papers
441 Citations
William E. Duffield is an academic researcher. The author has contributed to research in topics: Spinal column & Spinal cord. The author has an hindex of 7, co-authored 7 publications.
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Papers
Patent
Intervertebral fusion implant
William E. Duffield,Colm McLaughlin,Jason Gray,Jamie Calverley,Mark Adams,William S. Rhoda +5 more
- 02 Sep 2009
TL;DR: In this paper, an intervertebral implant is presented for implantation in a treated area of an interverttebral space between vertebral bodies of a spine, which includes screw holes extending from a side portion to the inferior and superior surfaces of the spacer portion and a plate portion rigidly coupled to the sacer portion through a coupling means, wherein the plate portion contains screws holes for receiving screws.
176
Patent
Spinous process fusion devices
Aditya Ingalhalikar,Jason Zappacosta,II Michael L. Boyer,David C. Paul,Daniel T. Laskowitz,Jason Cianfrani,William E. Duffield +6 more
- 10 Sep 2010
TL;DR: In this article, a spinous process fusion device that distracts and immobilizes the spinous processes of adjacent vertebrae is described, and the present disclosure generally relates to a device for positioning and immobilizing at least two adjacent vertebras.
87
Patent
Posterior prosthetic spinal disc replacement and methods thereof
William S. Rhoda,William E. Duffield,II Michael L. Boyer,Christopher M. Angelucci,David C. Paul +4 more
- 01 Mar 2006
TL;DR: In this article, a method for implanting a prosthetic spinal disc while either avoiding or minimizing contact with the spinal cord and nerve rootlets, or reducing the time and extent that they need to be repositioned during implantation is presented.
59
Patent
Spinous Process Fusion Devices and Methods Thereof
Jason Zappacosta,Daniel Laskowitz,William E. Duffield,Jason Cianfrani,Jody L. Seifert,Darren Clutter +5 more
- 13 Dec 2010
TL;DR: In this paper, a spinous process fusion device is placed in an interspinous space between adjacent spinous processes including a rod and a first wing, and attaching a second wing to the rod, for example, using a ratcheting mechanism.
51
Patent
Anterior prosthetic spinal disc replacement
David C. Paul,Christopher M. Angelucci,William S. Rhoda,II Michael L. Boyer,William E. Duffield +4 more
- 11 Oct 2005
TL;DR: In this article, a prosthetic spinal disc for replacing a damaged disc between two vertebrae of a spine was presented, which can be implanted via anterior or anterior lateral implantation.
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