US 11,903,624 B2
Orthopedic implants with variable angle bone screw locking
Garrett D. Lauf, Elgin, IL (US); Paul C. Zakelj, Chicago, IL (US); and Matthew S. Coyne, Naperville, IL (US)
Assigned to Life Spine, Inc., Huntley, IL (US)
Filed by Life Spine, Inc., Huntley, IL (US)
Filed on Mar. 17, 2021, as Appl. No. 17/204,575.
Application 17/204,575 is a division of application No. 15/256,679, filed on Sep. 5, 2016, granted, now 10,966,765.
Claims priority of provisional application 62/362,089, filed on Jul. 14, 2016.
Claims priority of provisional application 62/261,053, filed on Nov. 30, 2015.
Claims priority of provisional application 62/214,954, filed on Sep. 5, 2015.
Prior Publication US 2021/0196330 A1, Jul. 1, 2021
Int. Cl. A61B 17/80 (2006.01); A61B 17/86 (2006.01); A61B 17/70 (2006.01)
CPC A61B 17/8047 (2013.01) [A61B 17/7059 (2013.01); A61B 17/80 (2013.01); A61B 17/8052 (2013.01); A61B 17/8057 (2013.01); A61B 17/8605 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An orthopedic implant comprising:
a plate having an upper surface, a lower surface, a first end, a second end, and a bone screw pocket at the first end, the bone screw pocket having a conical sidewall defining a bore extending through the plate from the upper surface to the lower surface, the conical sidewall having at least one keyway, wherein the at least one keyway of the conical sidewall includes a first keyway and a second keyway;
an annular insert including at least one keyed projection, wherein the annular insert is configured to be disposed in the bone screw pocket, such that the at least one keyed projection engages the at least one keyway of the conical sidewall, and wherein the at least one keyed projection extends from the annular insert along a plane that is perpendicular to a central axis of the annular insert; and
a bone screw having an externally threaded shaft and a head at an end of the externally threaded shaft, the bone screw is configured to be received in the annular insert and the bone screw pocket.