1
Jurgen Harms, Lutz Biedermann: Pedicle screw. Donald Brown, August 7, 1990: US04946458 (632 worldwide citation)

A pedicle screw (1) for use in the monosegmental or multisegmental stabilization of the spinal column comprises a thread and a receiver portion. In order to facilitate the mounting and to reduce the stress of the screw and the threaded rods for connection therewith, a threaded shaft part (2) and a r ...


2
Donald W Bryan: Lumbar spine fixation apparatus and method. J Winslow Young, April 26, 1994: US05306275 (613 worldwide citation)

A spinal fixation apparatus and method wherein various elements are mounted to the vertebra and the sacrum of a spine and are selectively interconnected to achieve a predetermined fixation and/or correction of a particular spinal condition. The apparatus includes pedicle screws, bone screws, sacral ...


3
Jurgen Harms, Lutz Biedermann: Pedicle screw and receiver member therefore. Prufer, Donald Brown, May 4, 1993: US05207678 (543 worldwide citation)

For a pedicle screw a receiver member is provided for hingedly connecting a screw (2) comprising a threaded shaft portion (3) and a spherical-segment-shaped head (4) on the one hand and a rod (16) on the other hand. In order to improve the stocking costs for screws of different shaft lengths and sha ...


4
Fridolin Schlapfer: Device for connecting a longitudinal support to a pedicle screw. Synthes, Pennie & Edmonds, May 16, 2000: US06063090 (459 worldwide citation)

The invention relates to a device used to connect a longitudinal support to a pedicle screw by an accommodating head having a channel to accommodate the longitudinal support, wherein it is possible to freely choose from or mix laterally open, top open or closed accommodating heads. A top open accomm ...


5
R Charles Ray, Richard B Ashman: Sacral implant system. R Charles Ray, Christensen O Connor Johnson & Kindness, July 7, 1992: US05127912 (412 worldwide citation)

A sacral implant system includes first and second sacral plates that are affixed on opposite sides of the sacrum adjacent the lumbosacral junction. Pedicle, lateral and oblique mounting means are provided for rigidly affixing the sacral plates to the sacrum. First and second fixation rods extend in ...


6
Joseph P Errico, Thomas J Errico, James D Ralph: Polyaxial pedicle screw. Fastenetix, Joseph P Errico Esq, November 25, 1997: US05690630 (403 worldwide citation)

A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a locking collar disposed therearound, and a receiving member having a linearly tapered tapered socket in which the screw and the collar are nested. The locking collar is slotted and tapered, and ...


7
Joseph P Errico, Thomas J Errico, James D Ralph: Polyaxial pedicle screw. Fastenetix L L C, Joseph P Errico, September 23, 1997: US05669911 (393 worldwide citation)

A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a locking collar disposed therearound, and a receiving member having a linearly tapered tapered socket in which the screw and the collar are nested. The locking collar is slotted and tapered, and ...


8
James D Ralph, Stephen Tatar: Polyaxial pedicle screw having a threaded and tapered compression locking mechanism. Fastenetix, Joseph P Errico Esq, March 16, 1999: US05882350 (383 worldwide citation)

A polyaxial orthopedic device for use with rod implant apparatus includes a screw having a curvate head, a two-piece interlocking coupling element which mounts about the curvate head, and a rod receiving cylindrical body member having a tapered socket into which both the screw and the interlocking c ...


9
Thomas T Haider: Pedicle screw system for osteosynthesis. Harold L Jackson, July 21, 1998: US05782833 (379 worldwide citation)

A pedicle screw assembly 10 for use with a rod 11 for the immobilization of bone segments. The assembly is composed of a screw 12, a polyaxial housing 20, a washer 34, a set screw 48, and a cup-shaped cap 40. When the screw is placed inside the polyaxial housing 20, the head of the screw 18 comes in ...


10
Charles Hilaire Rivard, Ariel Dujovne: Mobile dynamic system for treating spinal disorder. Hopital Sainte Justine, Robert Mitchell, Kevin P Murphy, Swabey Ogilvy Renault, April 29, 2003: US06554831 (370 worldwide citation)

A mobile dynamic implantable spinal apparatus comprising at least one fixed bracket secured on a correcting rod and at least one mobile carrier slidably mounted on the correcting rod. The fixed bracket and the mobile carrier each include a body and a pedicle screw or a transverse process hook articu ...