The embodiments of a securing device for the ventral site of distal ulna include a head, an extension, a body, a first surface and a second surface wherein the head is a cambered surface plate the extension is connected with the head the body is a wave-shaped plate. The head, the extension and the body are formed in one piece sequentially the second surface of the device may have a first and a second curvature to correspond with the curvature of the patients distal ulna there are further a plurality of holes and at least one locating hole penetrating the first and the second surface of the device.
