Patent ID: 8551095
Filing Date: 2013-10-08
Classification: A61B,B23C,B23P,Y10T

Abstract:
1. A bone plate including a hybrid through screw hole, where the hybrid through screw hole includes a top opening and a bottom opening, the top opening defining a first cross-section having a circular shape at a top surface of the bone plate and including a widthwise dimension and a lengthwise dimension normal to the widthwise dimension, and the bottom opening defining a second cross-section having an oblong shape at a bottom surface of the bone plate, wherein an interior wall of the bone plate extends between the top opening and the bottom opening, the interior wall having a threaded first portion extending from the top opening and an unthreaded second portion proximate the bottom opening, the threaded first portion of the interior wall being tapered inwardly between the top surface of the bone plate and the unthreaded second portion of the interior wall, and where at least one of the widthwise dimension and the lengthwise dimension is decreased between the top opening and the bottom opening, while the other of the widthwise dimension and the lengthwise dimension does not substantially decrease between the top opening and the bottom opening.