Osteosynthetic bone plate and lock washer
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United States of America Patent
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-
Sep 22, 1998
Issued Date -
N/A
app pub date -
Feb 12, 1997
filing date -
Sep 12, 1994
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A lock washer for attaching a bone screw to a bone plate. The lock washer includes a body having a central axis and a borehole having internal threading for receiving the bone screw. The lock washer includes a lower section adapted to abut the surface of a bone, and an upper section shaped to be retained in a plate borehole. An osteosynthetic system including a bone plate having an upper surface, a lower surface to be positioned facing the bone, and a lock washer is also disclosed. In addition, an osteosynthetic bone plate having an upper surface, a lower surface, and boreholes extending through the bone plate from the upper surface to the lower surface is disclosed. Boreholes are provided with hollow protrusions extending beyond the lower surface of the bone plate and having an internal threading for receiving a bone screw.
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