US 12,239,551 B2
Sagittal balance systems and methods of use thereof
Frank LaMarca, Ann Arbor, MI (US); Robert Lee, Hertfordshire (GB); Gregory Poulter, Indianapolis, IN (US); Steven Tresser, Tampa, FL (US); Michael Wang, North Miami, FL (US); Josh Rubin, Reston, VA (US); Hadley Sis, Reston, VA (US); and Nick Padovani, Fairfax, VA (US)
Assigned to K2M, Inc., Leesburg, VA (US)
Filed by K2M, Inc., Leesburg, VA (US)
Filed on Apr. 25, 2023, as Appl. No. 18/139,110.
Application 18/139,110 is a continuation of application No. 17/237,549, filed on Apr. 22, 2021, granted, now 11,679,004.
Application 17/237,549 is a continuation of application No. 16/156,600, filed on Oct. 10, 2018, granted, now 11,013,616, issued on May 25, 2021.
Prior Publication US 2023/0255793 A1, Aug. 17, 2023
Int. Cl. A61F 2/46 (2006.01); A61B 17/02 (2006.01); A61F 2/30 (2006.01); A61F 2/44 (2006.01)
CPC A61F 2/4611 (2013.01) [A61B 17/025 (2013.01); A61F 2/30749 (2013.01); A61F 2/30771 (2013.01); A61F 2/4425 (2013.01); A61B 2017/0256 (2013.01); A61F 2002/30405 (2013.01); A61F 2002/30784 (2013.01); A61F 2002/30934 (2013.01); A61F 2/4603 (2013.01); A61F 2002/4615 (2013.01); A61F 2002/469 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
an interbody spacer having an attachment screw receiving hole;
an inserter comprising:
a tubular body portion;
a rotatable screw engagement mechanism within the tubular body portion, the screw engagement mechanism including an engagement portion; and
arms extending from a distal end of the tubular body portion; and
a plate comprising:
an attachment bore for receiving an attachment screw inserted therethrough to secure the plate to the interbody spacer, the plate having an axis passing through the attachment bore, wherein the engagement portion is configured to receive the attachment screw such that, when the screw engagement mechanism is rotated, the attachment screw is advanced through the attachment bore;
one or more indents, wherein the one or more indents are configured to receive a respective arm of the inserter such that the inserter can be removably coupled directly to the plate; and
a pair of bone screw receiving holes with a center of each bone screw receiving hole offset from a plane transverse to the axis.