US 12,220,155 B2
Fusion systems and methods of assembly and use
Jill A. Serbousek, Winona Lake, IN (US); Jeffrey Nycz, Warsaw, IN (US); and Jon C. Serbousek, Winona Lake, IN (US)
Assigned to Spine FOrward, LLC, Winona Lake, IN (US)
Filed by Spine Forward, LLC, Winona Lake, IN (US)
Filed on May 3, 2022, as Appl. No. 17/661,799.
Application 17/661,799 is a continuation of application No. 16/532,473, filed on Aug. 5, 2019, granted, now 11,317,948.
Application 16/532,473 is a continuation of application No. 15/463,726, filed on Mar. 20, 2017, granted, now 10,368,914, issued on Aug. 6, 2019.
Application 15/463,726 is a continuation of application No. PCT/US2015/051251, filed on Sep. 21, 2015.
Claims priority of provisional application 62/052,915, filed on Sep. 19, 2014.
Prior Publication US 2022/0257287 A1, Aug. 18, 2022
Int. Cl. A61B 17/70 (2006.01); A61B 17/88 (2006.01); A61B 17/00 (2006.01); A61B 17/86 (2006.01)
CPC A61B 17/7005 (2013.01) [A61B 17/7002 (2013.01); A61B 17/7004 (2013.01); A61B 17/701 (2013.01); A61B 17/7085 (2013.01); A61B 17/7091 (2013.01); A61B 17/888 (2013.01); A61B 17/8888 (2013.01); A61B 2017/00526 (2013.01); A61B 17/70 (2013.01); A61B 17/7001 (2013.01); A61B 17/7007 (2013.01); A61B 17/7032 (2013.01); A61B 17/7035 (2013.01); A61B 17/7064 (2013.01); A61B 17/8625 (2013.01); A61B 17/8685 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A screw, comprising:
a head, comprising:
a slot;
a body portion defining an interior surface and a top surface;
a base portion extending below the body portion defining a concave interior surface; and
at least one tab positioned on an exterior surface of the body portion and extending away from the exterior surface and from the top surface toward the base portion;
wherein the slot forms a first side surface and a second side surface in at least the body portion; and
wherein the at least one tab extends only a portion of a space between the first side surface and the second side surface of the slot and the at least one tab is positioned spaced apart from the first side surface and the second side surface of the slot;
a shaft; and
a neck coupling the head to the shaft.