Patent ID: 8709015

Claim:
An instrument for manipulating a vertebral body, the instrument comprising: a first arm having a proximal end and a distal end, the distal end configured to engage a removable attachment element of a first implant assembly implanted in a vertebral body, said distal end of said first arm creating a pin joint with the first implant assembly that facilitates derotation of the vertebral body; and a second arm pivotably connected to the first arm having a proximal end and a distal end, the distal end configured to engage a removable attachment element of a second implant assembly implanted bilaterally from the first implant assembly in the vertebral body, wherein the removable attachment element of the first implant assembly and the removable attachment element of the second implant assembly are configured to be removable from the first implant assembly and the second implant assembly implanted in the vertebral body, respectively; and wherein the removable attachment elements comprise one or more detachable tabs extending from at least one of the implant assemblies.