| CPC A61B 17/8052 (2013.01) [A61B 17/8085 (2013.01); A61L 31/022 (2013.01)] | 12 Claims |

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1. An orthopedic fixation device for use in fracture fixation comprising a bone plate body that has a plurality of screw openings therethrough; each of said screw openings has a top and bottom edge that are spaced from one another; at least one of said screw openings as viewed along a central longitudinal axis of said screw opening has a plurality of plastically deformable protruding structures and a plurality of arcuate recessed regions; each of said arcuate recessed regions is located between two protruding structures; each arcuate recessed region forms a side of adjacently positioned protruding structures that the arcuate recessed region is located therebetween; an interior of said screw openings is absent threads; each of said protruding structures includes a top and bottom sloped surface; said top sloped surface extends directly from said top edge of said screw opening to a position located between said top edge and said bottom edge; said bottom sloped surface extends directly from said bottom edge of said screw opening to a position located between said top edge and said bottom edge; each of said top and bottom sloped surfaces have a tapering width; said width of said top sloped surface is largest at said top edge of said screw opening; said width of said bottom sloped surface is largest at said bottom edge of said screw opening; said top and bottom sloped surfaces terminate at an end of said protruding structure to form a pointed end.
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