Vertebral arthrodesis equipment

Details Vertebral arthrodesis equipment Vertebral arthrodesis equipment

2007-03-13

2007-03-13

Robert, Eduardo C. (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

10415900

ABSTRACT:
The invention concerns an equipment comprising two shoring rods, members for anchoring said two rods to the vertebrae, at least a crosspiece (1) in two parts (5, 6) and members (2) assembling said crosspiece (1) to the shoring rods. The invention is characterised in that one of the crosspiece parts (5) comprises a spherical head (7) and a thread (8) adjacent to said head (7); the other crosspiece part (6) comprises a spherical bulging end (9), defining internally a spherical cavity (10) adapted to receive said head (7), and each crosspiece (1) comprises a nut (12) designed to co-operate with said thread (8), including further a spherical seat (13) with a shape matching that of the wall (11) delimiting the cavity (10). The invention also concerns plates (30for anchoring the equipment to the sacrum.

REFERENCES:
patent: 5352224 (1994-10-01), Westermann
patent: 5584831 (1996-12-01), McKay
patent: 6267765 (2001-07-01), Taylor et al.
patent: 6273914 (2001-08-01), Papas
patent: 6306136 (2001-10-01), Baccelli
patent: 0 383 992 (1990-08-01), None
patent: WO 00 59387 (2000-10-01), None

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