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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 ...


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Haider Thomas T: Pedicle screw system for osteosynthesis. Haider Thomas T, November 24, 1999: EP0957801-A1 (7 worldwide citation)

The invention is 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 poly-axial housing (20), a washer (34), a set screw (48), and a cup shaped washer (40). When the screw is placed inside the poly-axial housing ( ...


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Thomas T Haider: Pedicle screw system for osteosynthesis. Thomas T Haider, zhu dehe, January 12, 2000: CN97180855

The invention is 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 poly-axial housing 20, a washer 34, a set screw 48, and a cup shaped washer 40. When the screw is placed inside the poly-axial housing 21, the head of ...


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Haider Thomas T: Pedicle screw system for osteosynthesis. Haider Thomas T, JACKSON Harold L, July 2, 1998: WO/1998/027884

The invention is 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 poly-axial housing (20), a washer (34), a set screw (48), and a cup shaped washer (40). When the screw is placed inside the poly-axial housing ( ...