US 12,220,325 B2
Spinal fixation device
Chester Evan Sutterlin, III, Sarasota, FL (US); Ehud Mendel, Columbus, OH (US); Michael Finn, Aurora, CO (US); Clint Boyd, Leesburg, VA (US); Scott Jones, Mcmurray, PA (US); Todd Wallenstein, Ashburn, VA (US); and Jacob M. Buchowski, St. Louis, MO (US)
Assigned to K2M, Inc., Leesburg, VA (US); and Ohio State Innovation Foundation, Columbus, OH (US)
Filed by K2M, Inc., Leesburg, VA (US); and Ohio State Innovation Foundation, Columbus, OH (US)
Filed on Oct. 19, 2021, as Appl. No. 17/505,371.
Application 16/379,331 is a division of application No. 14/936,911, filed on Nov. 10, 2015, granted, now 10,292,832, issued on May 21, 2019.
Application 17/505,371 is a continuation of application No. 16/379,331, filed on Apr. 9, 2019, granted, now 11,173,041.
Application 14/936,911 is a continuation in part of application No. 14/212,236, filed on Mar. 14, 2014, granted, now 9,707,096, issued on Jul. 18, 2017.
Claims priority of provisional application 62/078,666, filed on Nov. 12, 2014.
Claims priority of provisional application 61/781,837, filed on Mar. 14, 2013.
Prior Publication US 2022/0039967 A1, Feb. 10, 2022
Int. Cl. A61F 2/44 (2006.01); A61F 2/46 (2006.01); A61F 2/30 (2006.01)
CPC A61F 2/4465 (2013.01) [A61F 2/44 (2013.01); A61F 2/4611 (2013.01); A61F 2002/30373 (2013.01); A61F 2002/30392 (2013.01); A61F 2002/30405 (2013.01); A61F 2002/30495 (2013.01); A61F 2002/30523 (2013.01); A61F 2002/30538 (2013.01); A61F 2002/30556 (2013.01); A61F 2002/30579 (2013.01); A61F 2002/30601 (2013.01); A61F 2002/3068 (2013.01); A61F 2002/30904 (2013.01); A61F 2002/3093 (2013.01); A61F 2/4603 (2013.01); A61F 2002/4627 (2013.01); A61F 2002/4638 (2013.01); A61F 2310/00017 (2013.01); A61F 2310/00023 (2013.01); A61F 2310/00029 (2013.01); A61F 2310/00179 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A spinal fusion method comprising:
attaching an engagement portion of a surgical instrument to an aperture in an outer housing of a spinal fixation device, the surgical instrument having a channel extending therethrough and the housing coupled with an end plate assembly;
manipulating the surgical instrument to place the spinal fixation device between vertebral bodies;
moving at least one of a first and second elongate member each pivotably coupled to a first end plate of the end plate assembly such that the first end plate moves and engages one of the vertebral bodies, wherein the first elongate member receives a portion of the second elongate member;
moving one or both of the first and second elongate members to transition the first end plate from a first angular orientation to a second angular orientation; and
removing the surgical instrument from engagement with the spinal fixation device.