US 12,447,023 B2
Cervical cage
John R. Ehteshami, Paradise Valley, AZ (US); and Mahyar Zoghi, Phoenix, AZ (US)
Assigned to Additive Implants, Inc., Phoenix, AZ (US)
Filed by Additive Implants, Inc., Phoenix, AZ (US)
Filed on Jan. 30, 2024, as Appl. No. 18/427,680.
Application 18/427,680 is a continuation of application No. 17/870,765, filed on Jul. 21, 2022, granted, now 11,918,480.
Application 17/870,765 is a continuation of application No. 17/339,105, filed on Jun. 4, 2021, granted, now 11,406,509, issued on Aug. 9, 2022.
Prior Publication US 2024/0245524 A1, Jul. 25, 2024
Int. Cl. A61F 2/44 (2006.01); A61F 2/30 (2006.01)
CPC A61F 2/442 (2013.01) [A61F 2/30771 (2013.01); A61F 2002/30471 (2013.01); A61F 2002/30518 (2013.01); A61F 2002/30841 (2013.01); A61F 2002/30934 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A cervical cage comprising:
a superior end plate, having a superior anterior side and a superior posterior side with a posterior edge, and a superior perimeter connecting the superior anterior side and the superior posterior side;
an inferior end plate, having an inferior anterior side and an inferior posterior side, with a posterior edge, and an inferior perimeter connecting the inferior anterior side and the inferior posterior side,
wherein the superior end plate and the inferior end plate define a central region therebetween, the central region further defined by:
an anterior plane extending between the superior anterior side and the inferior anterior side,
a posterior plane extending between the superior posterior side and the inferior posterior side, and
a longitudinal axis extending through the central region between the superior end plate and the inferior end plate;
an anterior support continuously connecting the superior end plate and the inferior end plate; and
a posterior support, having a hinge with a lateral axis traversing an outer surface of the posterior support, connecting the superior end plate and the inferior end plate at the respective superior and inferior posterior edges; and
wherein the posterior support further comprises a first section connected to the superior posterior side on the posterior plane; a second section connected to the inferior posterior side on the posterior plane; wherein the first section and the second section are non-continuous and meet at the hinge and define an extension between the superior end and the inferior end.