1
J David Kuntz: Intervertebral disc prosthesis. September 21, 1982: US04349921 (1077 worldwide citation)

An intervertebral disc prosthesis intended to replace a natural intervertebral disc and to restore the normal intervertebral spacing without complete loss of flexibility of the spinal joint. The prosthesis comprises a body of biologically-acceptable material suitably dimensioned and shaped to replac ...


2
Froning Edward C: Intervertebral disc prosthesis and instruments for locating same. Caplan Julian, April 8, 1975: US3875595 (885 worldwide citation)

A collapsible plastic bladder-like prosthesis of the same external form as the nucleus pulposis of an intervertebral disc has a stem through which liquid and/or plastic is introduced to inflate the prosthesis to natural form. The top and bottom have stud-like protrusions which fit into sockets which ...


3
Gary L Monson: Synthetic intervertebral disc prosthesis. Berman Aisenberg & Platt, September 5, 1989: US04863477 (695 worldwide citation)

A synthetic intervertebral disc prosthesis, molded in the same shape and general dimensions as a natural disc which it replaces after removal of a damaged natural disc, is molded of a biologically acceptable, non-porous, preferably rubber or silicone-rubber compound in two halves, each half having a ...


4
Richard A Erickson, Steven L Griffith: Intervertebral disc prosthesis and method. Sulzer Spine Tech, Merchant & Gould P C, April 9, 2002: US06368350 (569 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
Yves Alain Ratron: Elastic disc prosthesis. Tornier, Dowell & Dowell, October 14, 1997: US05676702 (463 worldwide citation)

An elastic intervertebral disc prosthesis comprising two opposite plates joined together by partitions capable of deforming elastically as a function of the load applied on the prosthesis.


6
Fabien Gauchet, RĂ©gis Le Couedic: Intervertebral disk prosthesis. DIMSO, Lerner David Littenberg Krumholz & Mentlik, March 4, 2003: US06527804 (428 worldwide citation)

An intervertebral disc prosthesis comprising two plates and a cushion interposed between the plates is contemplated. The cushion includes a compressible body having two ends in contact with the plates. At least one of the ends is freely displaceable relative to the plate in a parallel direction. Thu ...


7
Fabien Gauchet: Intervertebral disc prosthesis with compressible body. Spryker Spine, Lerner David Littenberg Krumholz & Mentlik, June 24, 2003: US06582468 (336 worldwide citation)

An intervertebral disc prosthesis comprising two opposing plates and a flexible seal extending between the two opposing plates for forming a closed chamber between the two plates, the flexible seal being adapted to enable the plates to move relative to one another. The disc prosthesis also includes ...


8
Fabien Gauchet: Intervertebral disc prosthesis with reduced friction. Stryker Spine, Lerner David Littenberg Krumholz & Mentlik, June 24, 2003: US06582466 (330 worldwide citation)

An intervertebral disc prosthesis includes two opposing plates, a flexible seal extending between the two plates for forming a fluid-tight chamber between the two plates, a first fluid provided in the chamber, and a compressible body provided in the first fluid in the chamber, whereby the compressib ...


9
Fabien Gauchet: Intervertebral disc prosthesis with liquid chamber. DIMSO, Lerner David Littenberg Krumholz & Mentlik, May 28, 2002: US06395032 (314 worldwide citation)

An intervertebral disc prosthesis includes two opposing plates and a flexible seal extending between the two plates for forming a closed chamber therebetween. The disc prosthesis also includes a liquid provided in the chamber and a body disposed in the liquid and the chamber, the body having a plura ...


10
Guy Viart, Frederic Marin: Intervertebral disc prosthesis. Eurosurgical, Young & Thompson, January 27, 2004: US06682562 (291 worldwide citation)

The invention concerns an intervertebral disc prosthesis comprising an upper plate (