US 12,226,319 B2
Multi-portal surgical systems
Andy Wonyong Choi, Irvine, CA (US); Dong-Hwa Heo, Seoul (KR); and Jeffrey Roh, Seattle, WA (US)
Assigned to Amplify Surgical, Inc., Irvine, CA (US)
Filed by Amplify Surgical, Inc., Laguna Hills, CA (US)
Filed on Sep. 2, 2022, as Appl. No. 17/902,685.
Application 17/902,685 is a continuation of application No. 16/565,403, filed on Sep. 9, 2019, granted, now 11,464,648.
Prior Publication US 2023/0104335 A1, Apr. 6, 2023
Int. Cl. A61F 2/44 (2006.01); A61B 1/00 (2006.01); A61B 17/02 (2006.01); A61B 17/68 (2006.01)
CPC A61F 2/4455 (2013.01) [A61B 1/0005 (2013.01); A61B 17/025 (2013.01); A61B 2017/0256 (2013.01); A61B 2017/681 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A multi-portal surgical method comprising:
positioning an instrument cannula at a first entrance along a subject;
positioning a visualization cannula at a second entrance along the subject, wherein the first and second entrances are positioned on one side of a midsagittal plane of the subject and spaced apart from one another;
removing tissue from a working region inside the subject using at least one instrument positioned in the instrument cannula;
endoscopically viewing the at least one instrument removing the tissue using an endoscopic viewing instrument positioned in the visualization cannula and spaced apart from the subject's spine to endoscopically view the at least one instrument removing tissue from an intervertebral space between a first vertebral body and a second vertebral body while the endoscopic viewing instrument is positioned outside of the intervertebral space to view nerve tissue adjacent the intervertebral space; and
after removing the tissue from the intervertebral space,
endoscopically viewing a first endplate of the first vertebral body and a second endplate of the second vertebral body, and
endoscopically viewing an interbody spacer that has been delivered into the intervertebral space to view a position of the interbody spacer relative to the first and second vertebral bodies.