The invention relates to a device for connecting a longitudinal rod with a bone anchoring element, such as a pedicle screw, thereby forming a system for fixation of the spine. The device includes a connecting member having upper and lower ends, a bore hole which is open at least towards the lower end...http://www.google.ca/patents/US6248105?utm_source=gb-gplus-sharePatent US6248105 - Device for connecting a longitudinal support with a pedicle screw
