1
James D Ralph, Stephen Tatar, Joseph P Errico: Intervertebral spacer device having arch shaped spring elements. Spinecore, Joseph P Errico Esq, Timothy J Bortree Esq, January 6, 2004: US06673113 (184 worldwide citation)

An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by at least one spring mechanism. The preferred spring mechanism is an arched strip spring. In a first embodiment there are multiple springs positioned independently about ...


2
Rafail Zubok, Michael W Dudasik, Joseph P Errico: Instrumentation and methods for use in implanting a cervical disc replacement device. SpineCore, Lerner David Littenberg Krumholz & Mentlik, May 24, 2005: US06896676 (126 worldwide citation)

Instrumentation for implanting a cervical disc replacement device includes cervical disc replacement trials for determining the appropriate size of replacement device to be implanted, an insertion plate for maintaining the elements of the replacement device in fixed relation to one another for simul ...


3
James D Ralph, Stephen Tatar, Joseph P Errico: Intervertebral spacer device having a multi-pronged domed spring. SpineCore, Joseph P Errico Esq, Timothy J Bortree Esq, November 11, 2003: US06645249 (119 worldwide citation)

An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by a spring mechanism. The preferred spring mechanism is a multi-pronged domed spring which is coupled to the upper plate by set screws. The spring includes a socket forme ...


4
Rafail Zubok, Antonio Valdevit, Michael W Dudasik, Joseph P Errico: Cervical disc replacement. SpineCore, Lerner David Littenberg Krumholz & Mentlik, June 21, 2005: US06908484 (116 worldwide citation)

An articulating joint implant for use in the cervical spine includes a pair of opposing upper and lower elements having nested articulation surfaces providing a center of rotation of the implant above the adjacent vertebral body endplate surfaces in one mode of motion lateral bending and a center of ...


5
Joseph P Errico, Michael W Dudasik, Rafail Zubok: Implanting an artificial intervertebral disc. SpineCore, Lerner David Littenberg Krumholz & Mentlik, January 30, 2007: US07169182 (114 worldwide citation)

Instrumentation for implanting an artificial intervertebral disc includes static trials and a dynamic trial for determining the appropriate size of disc to be implanted, a static trial holder for manipulating the static trials, an inserter/impactor for inserting and removing the static trials and fo ...


6
James D Ralph, Thomas J Errico: Intervertebral spacer device utilizing a spirally slotted belleville washer and a rotational mounting. SpineCore, Joseph P Errico Esq, Timothy J Bortree Esq, July 20, 2004: US06764515 (114 worldwide citation)

An intervertebral spacer having opposing plates seatable against opposing vertebral bones, separated by at least one spring mechanism, preferably a spirally slotted belleville washer having a wide end rigidly fixed to an upper plate and a narrow end rotatably mounted to a lower plate. The lower plat ...


7
James D Ralph, Stephen Tatar, Thomas J Errico: Porous intervertebral distraction spacers. SpineCore, Joseph P Errico Esq, Timothy J Bortree Esq, September 23, 2003: US06623525 (106 worldwide citation)

An intervertebral space distraction and implantable device assembly provides sequentially axially wider spacers that are to be sequentially inserted into and removed from an intervertebral space to widen the space until a desired anatomical spacing of the adjacent vertebral bones is restored. The se ...


8
James D Ralph, Stephen Tatar, Joseph P Errico: Intervertebral spacer device having a slotted domed arch strip spring. Spinecore, Joseph P Erics Esq, Timothy J Bortnec Esq, December 30, 2003: US06669731 (103 worldwide citation)

An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by a spring mechanism. The preferred spring mechanism is a slotted domed arch strip spring which is coupled to the upper plate by set screws. The spring includes a socket ...


9
Joseph P Errico, Michael W Dudasik, Rafail Zubok: Static trials and related instruments and methods for use in implanting an artificial intervertebral disc. SpineCore, Lerner David Littenberg Krumholz & Mentlik, October 3, 2006: US07115132 (102 worldwide citation)

Instrumentation for distracting an intervertebral space and determining an appropriate size for an artificial intervertebral disc to be implanted therein include static trials and a static trial holder for manipulating the static trials. Each static trial is provided with at least one notch that is ...


10
Rafail Zubok, Michael W Dudasik, Joseph P Errico: Artificial intervertebral disc having an articulating joint. SpineCore, Lerner David Littenberg Krumholz & Mentlik, May 8, 2007: US07214244 (94 worldwide citation)

An intervertebral device includes a first plate having an outer face and an inner face, and a second plate juxtaposed with the first plate, the second plate having an outer face, an inner face that opposes the first plate and a concavity that opposes the first plate. The device includes an elongated ...