Surgery – Instruments – Orthopedic instrumentation
Patent
1999-02-01
2000-11-14
Buiz, Michael
Surgery
Instruments
Orthopedic instrumentation
606 73, A61B 1786
Patent
active
061463833
ABSTRACT:
With the invention a pivotal securing system between a bone screw (1) with a spherical head part (2) and a reception part (3) is shown. The reception part has a passage bore (4) with a shoulder at its end which encloses the head part (2) at its lower side and which forms an abutment when the head part (2) is pressed on by the clamping screw (7) in a settable pivotal position (8). The head part (2) is executed as a separate part (9) which can be screwed together with the bone screw (1) in order to be able to place on the reception part (3) and to connect it to the latter after the implantation of the bone screw (1).
REFERENCES:
patent: 5735850 (1998-04-01), Baumgartner et al.
patent: 5752957 (1998-05-01), Ralph et al.
Donno Cosimo
Frohlich Markus
Studer Armin
Buiz Michael
Reip David O.
Sulzer Orthopadie AG
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