Anterior implant for the spine
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United States of America Patent
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-
Nov 25, 2003
Issued Date -
N/A
app pub date -
Oct 20, 2000
filing date -
Apr 30, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Implant for the cervical spine comprising an anterior plate (1) for maintaining a bone graft, bone anchorage screws (6, 7, 8) for the plate and at least one slide (22) for blocking the screws and preventing any migration of the screws, characterized in that the at least one slide (22) is slidably mounted on the plate so as to be applicable on at least one anchorage screw head (15, 16). The slide cooperates with boss and recess portions for retaining the slide on the head of the screw. The slide may be formed by a thin platelet (22a)) which is provided with lateral flanges (25) and is slidable in a complementary cavity (18) provided in the plate (1) while being flush with the surface of the plate (1). The plate (1) includes ramps (26) for retaining the slide (22) on which the flanges (25) are slidable, the slide (22) being slidable to a position in which it at least partly overlaps the heads of the associated screws (6 or 7) and is locked in position by suitable structure.
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