1
Steffee Arthur D: Artificial disc. AcroMed Corporation, Tarolli Sundheim & Covell, December 10, 1991: US05071437 (751 worldwide citation)

A spinal disc prosthesis comprises an upper flat rigid plate, a lower flat rigid plate, and a flat elastomeric core interposed between said plates and adhered to the plates. A plurality of spaced-apart protuberances extend outwardly from the exposed faces of the plates for engagement with vertebrae ...


2
Steffee Arthur D: Spinal implant.. Acromed, April 5, 1995: EP0646366-A1 (69 worldwide citation)

A spinal implant for use in distracting and maintaining spinal disc height while promoting fusion of adjacent vertebrae of a spinal column includes first and second side surfaces extending substantially parallel to each other. Upper and lower surfaces for engaging the adjacent vertebrae extend betwe ...


3
Steffee Arthur D: Artificial spinal disc.. Acromed, October 17, 1990: EP0392076-A1 (26 worldwide citation)

A spinal disc prosthesis comprises an upper flat rigid plate (12), a lower flat rigid plate (14), and a flat elastomeric core (16) interposed between said plates and adhered to the plates. A plurality of spaced-apart protuberances (28) extend outwardly from the exposed faces of the plates for engage ...


4
Steffee Arthur D: Implant spinal, Spinal implant. Acromed Corporation, FETHERSTONHAUGH & CO, February 2, 1999: CA2133276 (10 worldwide citation)

A spinal implant for use in distracting and maintaining spinal disc height while promoting fusion of adjacent vertebrae of a spinal column includes first and second side surfaces extending substantially parallel to each other. Upper and lower surfaces for engaging the adjacent vertebrae extend betwe ...


5

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Steffee Arthur D: Apparatus for maintaining vertebrae in a desired relationship.. Acromed, May 6, 1987: EP0220736-A2 (4 worldwide citation)

An apparatus and method is provided to maintain vertebrae in a desired relationship. The apparatus includes a rod, a plurality of clamps, and a plurality of fastener assemblies. The method involves inserting threaded members into openings in a displaced vertebra and at least one vertebra on each sid ...


7
Steffee Arthur D: Bone screw.. Acromed, August 2, 1989: EP0325682-A1 (3 worldwide citation)

The bone screw (110) for use with a connecting member (120) for connecting a bone portion with the connecting member (120). The bone screw includes an elongate shank (132) having a longitudinal central axis. A first externally threaded portion (142) receives a nut (146) for attaching the connecting ...


8
Steffee Arthur D: Vis orthopedique, Bone screw. Acromed Corporation, FETHERSTONHAUGH & CO, January 21, 1992: CA1294501

Abstract The bone screw for use with a connecting member forconnecting a bone portion with the connecting member. Thebone screw includes an elongate shank having a longitudinalcentral axis. A first externally threaded portion receivesa nut for attaching the connecting member to the bonescrew. A seco ...


9
Steffee Arthur D: Appareil pour redresser la colonne vertebrale, Apparatus for straightening spinal columns. Acromed Corporation, FETHERSTONHAUGH & CO, August 4, 1987: CA1224990

Abstract of the Disclosure An improved apparatus is provided to reduce the extentof displacement between adjacent vertebrae in a person's spinalcolumn and to subsequently maintain the vertebrae in a reduceddisplacement relationship. When the apparatus is to be installed,holes are formed in the displ ...


10
Steffee Arthur D: Disque artificiel, Artificial disc. Acromed Corporation, Steffee Arthur D, FETHERSTONHAUGH & CO, June 1, 1993: CA1318469

Abstract A spinal disc prosthesis comprises an upper flat rigidplate, a lower flat rigid plate, and a flat elastomericcore interposed between said plates and adhered to theplates. A plurality of spaced-apart protuberances extendoutwardly from the exposed faces of the plates forengagement with verteb ...