US 12,076,050 B2
Single level fusion systems and methods of assembly and use
Richard G. Fessler, Lake Forest, IL (US); Jon C. Serbousek, Winona Lake, IN (US); Jill A. Serbousek, Winona Lake, IN (US); and Jeffrey Nycz, Warsaw, IN (US)
Assigned to DUET SPINE HOLDINGS, LLC, Winona Lake, IN (US)
Filed by DUET SPINE HOLDINGS, LLC, Winona Lake, IN (US)
Filed on Oct. 6, 2021, as Appl. No. 17/450,099.
Application 15/971,503 is a division of application No. 15/463,744, filed on Mar. 20, 2017, granted, now 10,517,644, issued on Dec. 31, 2019.
Application 17/450,099 is a continuation of application No. 15/971,503, filed on May 4, 2018, abandoned.
Application 15/463,744 is a continuation of application No. PCT/US2015/051254, filed on Sep. 21, 2015.
Claims priority of provisional application 62/052,915, filed on Sep. 19, 2014.
Prior Publication US 2022/0022921 A1, Jan. 27, 2022
Int. Cl. A61B 17/70 (2006.01); A61B 17/00 (2006.01); A61B 17/86 (2006.01); A61B 17/88 (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)] 20 Claims
OG exemplary drawing
 
1. A single level fusion system, comprising:
a first fastener assembly, comprising:
a first fastener, comprising:
a shaft;
a head comprising:
a first arm with a threaded portion on at least a portion of the first arm;
a second arm with a threaded portion on at least a portion of the second arm;
a passageway extending between the first arm and the second arm;
a second fastener assembly, comprising:
a second fastener comprising:
a shaft;
a head comprising:
a first arm;
a second arm; and
at least one opening extending through at least a portion of the first arm and at least a portion of the second arm, wherein the at least one opening is tapered between a top surface of the head and the shaft; and
an elongate member with a first end and a second end, wherein the elongate member couples the first fastener assembly to the second fastener assembly, and wherein the first end engages the first fastener assembly and the second end is hingedly connected to the at least one opening in the at least a portion of the first arm and the at least a portion of the second arm of the second fastener assembly.