Pivotal securing system at a bone screw
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United States of America Patent
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-
Nov 14, 2000
Grant Date -
N/A
app pub date -
Feb 1, 1999
filing date -
Feb 2, 1998
priority date (Note) -
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status (Latency Note)
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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).
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