<12) United States Patent (10) Patent N0.: US 7,220,262 B1 Hynes (45) Date of Patent: May 22, 2007 (54) SPINAL FIXATION SYSTEM AND RELATED 5,470,333 A 11/1995 Ray METHODS 5,474,551 A 12/1995 Finn et al. 5,486,174 A 1/1996 Fournet-Fayard et al. (75) Inventor: Richard A. Hynes, Melboume, FL 5,507,747 A 4/1996 Yuan et 31' (US) 5,514,132 A 5/1996 Csernatony et al. 5,531,745 A 7/1996 Ray . . . . 5,531,747 A 7/1996 Ra (73) Assignee: SDGI Holdings, Inc., Wilmington, DE 5 591 165 A 1/1997 Jagllson (US) 536283740 A 5/1997 Mullane _ _ _ _ _ 5,688,275 A 11/1997 Koros et al. ( * ) Notice: Subject to any disclaimer, the tenn ofthis 5,702,392 A 12/1997 Wu et al‘ patent is extended or adjusted under 35 _ U.S.C. l54(b) by 138 days. (cemlnued) (21) Appl. NO. 10/099,797 FOREIGN PATENT DOCUMENTS EP 0 465 158 B1 1/1997 (22) Fil(-Dd: Mar. 15, 2002 FR 2 624 720 6/1989 WO WO 01/54597 8/2002 Related Ulsl Application Data Primary Examiner—Pedro Pliilogene (60) Provisional application No. 60/276,706, filed on Mar. (74) Allgrneyl Age”; 0;» Firmjwggdard, Emhardt, 16, 2001~ Moriarty, McNett & Hem'y LLP (51) Il1lI- Cl- (57) ABSTRACT A61B 17/56 (2006.01) A6]B 17/58 (2006.01) Pedicle screws are secured in two columns, one along each (52) U.S. Cl. ......................................... .. 606/61; 606/71 side of the spine. Cress support reds have ends eenneeted I0 (58) Field 6r Classification Search ................ .. 606/61, Pedlele Screw heads A lenglwdlnally extendlng red 15 606/69, 71 supported on the cross supports and recessed in the cavity See application file for complete search history. erealed by removal Of Pemens Of 5P1neu5 Preeessesa PTO‘ _ viding a reduced profile of the installed construct. Several (56) References Clted es of cross su orts are shown such as: amis from the WP PP