Patent ID: 6962591

Claim:
A cranial bone plug fixation device for fixing a plug of bone to surrounding cranial bone, the plug of bone having been removed during a surgical operation, the fixation device being formed of a physiologically compatible metallic substance and comprising: a pin having a shaft and a head at one end; first means for engaging internal surfaces of the plug of bone and the surrounding cranial bone, said first means having a central opening to receive therethrough the shaft of the pin, the first means to be mounted on the shaft at the one end of the pin; and second means for engaging external surfaces of the plug of bone and the surrounding cranial bone, said second means having a central opening to receive therethrough the shaft of the pin, the second means to be mounted on the shaft of the pin; wherein the shaft of the pin extends through the space between the plug of bone and the surrounding cranial bone and said first and second means grip between them the plug of bone and the surrounding cranial bone.