US 12,167,875 B2
Spinal stabilization installation instrumentation and methods
Hugh D. Hestad, Edina, MN (US)
Assigned to Zimmer Spine, Inc., Minneapolis, MN (US)
Filed by ZIMMER BIOMET SPINE, INC., Warsaw, IN (US)
Filed on Jun. 23, 2022, as Appl. No. 17/848,195.
Application 17/848,195 is a continuation of application No. 16/456,321, filed on Jun. 28, 2019, granted, now 11,432,853.
Application 16/456,321 is a continuation of application No. 15/265,444, filed on Sep. 14, 2016, granted, now 10,376,293, issued on Aug. 13, 2019.
Application 15/265,444 is a continuation of application No. 14/332,873, filed on Jul. 16, 2014, granted, now 9,468,475, issued on Oct. 18, 2016.
Application 14/332,873 is a continuation of application No. 13/872,446, filed on Apr. 29, 2013, granted, now 8,821,550, issued on Sep. 2, 2014.
Application 13/872,446 is a continuation of application No. 13/418,403, filed on Mar. 13, 2012, granted, now 8,465,493, issued on Jun. 18, 2013.
Application 13/418,403 is a continuation of application No. 12/334,031, filed on Dec. 12, 2008, granted, now 8,137,355, issued on Mar. 20, 2012.
Prior Publication US 2022/0313325 A1, Oct. 6, 2022
Int. Cl. A61B 17/70 (2006.01); A61B 17/064 (2006.01); A61B 17/068 (2006.01); A61B 17/10 (2006.01)
CPC A61B 17/7083 (2013.01) [A61B 17/0642 (2013.01); A61B 17/0682 (2013.01); A61B 17/701 (2013.01); A61B 17/7029 (2013.01); A61B 17/7031 (2013.01); A61B 17/7076 (2013.01); A61B 2017/0641 (2013.01); A61B 2017/0647 (2013.01); A61B 17/105 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A system, comprising:
an elongated member configured to extend between anchors to affix the elongated member to adjacent vertebrae; and
an anchor configured to secure the elongated member to a vertebra, the anchor comprising:
a first leg and a second leg each insertable into the vertebra; and
a cross member connected to the first leg and the second leg, the cross member, the first leg, and the second leg each configured to receive the elongated member to secure the elongated member to the vertebra, wherein the cross member has an arcuate shape curving between the first leg and the second leg, wherein the elongated member includes an inner core portion and an outer portion disposed at least partially around the inner core portion, and wherein the inner core portion and the outer portion differ in at least one of material composition, tensile strength, and compressive resistance.