US 11,918,304 B2
Flat panel registration fixture and method of using same
Alexander Krull, South Boston, MA (US); Thomas Calloway, Pelham, NH (US); Rand Kmiec, Nashua, NH (US); Neil Crawford, Chandler, AZ (US); Norbert Johnson, North Andover, MA (US); and Gary Pinard, Manchester, NH (US)
Assigned to Globus Medical, Inc, Audubon, PA (US)
Filed by GLOBUS MEDICAL, INC., Audubon, PA (US)
Filed on Dec. 20, 2021, as Appl. No. 17/556,232.
Application 17/556,232 is a continuation of application No. 17/556,097, filed on Dec. 20, 2021.
Prior Publication US 2023/0190383 A1, Jun. 22, 2023
Int. Cl. A61B 6/00 (2006.01); A61B 34/20 (2016.01); A61B 90/00 (2016.01)
CPC A61B 34/20 (2016.02) [A61B 6/4233 (2013.01); A61B 6/4441 (2013.01); A61B 6/5211 (2013.01); A61B 6/547 (2013.01); A61B 90/39 (2016.02); A61B 2034/2046 (2016.02); A61B 2090/3966 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A registration fixture for use with a surgical navigation system for registration of medical images to a three-dimensional tracking space comprising:
a base frame adapted to be mounted to an x-ray medical imaging device;
a plate attached to the base frame, the plate having a first set of radiopaque markers embedded therein in a first predetermined pattern and a second set of radiopaque markers embedded therein in a second predetermined pattern;
the first set of markers including a plurality of non-uniformly arranged markers lying on a first circle;
the second set of markers including a plurality of uniformly arranged markers lying on a second circle different than the first circle.