Patent ID: 8052725

Claim:
A fixing device for fixing bones, the fixing device comprising: a screw element having a threaded shank and a ball segment-shaped head; a holder comprising a lower portion and an upper portion for receiving two rods and for receiving the ball segment-shaped head of the screw element therebetween, and a fastener configured to connect together the upper and lower portions of the holder; wherein each of the lower portion and the upper portion has a first recess for receiving a first rod therebetween and a second recess for receiving a second rod therebetween; wherein each of the lower portion and the upper portion has a third recess for receiving the ball segment shaped head therebetween; wherein each of the lower portion and the upper portion are configured to simultaneously fix the ball segment-shaped head of the screw element between the third recesses and the first and second rods between the first and second recesses, respectively, when the upper and lower portions are fastened together by the fastener.