An instrument may be used to move a rod attached to vertebrae to an opening of a fixation device. Positioning the rod in the opening may properly align the vertebrae with respect to the vertebra attached to the fixation element. A fixation holder may be coupled to the fixation element. The holder may...http://www.google.fr/patents/US6746449?utm_source=gb-gplus-shareBrevet US6746449 - Spinal rod translation instrument
