| 主权项 |
1. An orthopedic repair implant assembly comprising:
a base plate; the base plate having a top surface, a bottom surface, and a stem, the stem having a plurality of holes configured to receive a bone screw wherein the plurality of holes having an outer perimeter on the top surface and an inner perimeter extending through the stem to the bottom surface such that the outer perimeter is larger in diameter at the top surface than the diameter of the inner perimeter at the bottom surface; a locking mechanism; the locking mechanism including a rotating locking member and the bone screw, the locking member disposed below the top surface of the stem in a recessed circular depression so that the rotating locking member is flush with the top surface, the circular depression abuts the plurality of holes, the rotating locking member having a semi-arcuate shape that may be rotated over the bone screw into a locked position, the semi-arcuate shape having protrusion, the protrusion having a complimentary angle that aligns with an angled surface of the bone screw when rotated to the locked position such that to retain the bone screw in the stem; and the bone screw having a shaft with a head at a first end thereof, the head being generally spherical, with a bottom spherical portion connected to the shaft and a top spherical portion having the angled surface, the angled surface configured to compliment the angle of the protrusion of the rotating locking member. |
