US 12,357,191 B2
Modular coil assembly
Andrew Wald, Denver, CO (US); Brad Jacobsen, Erie, CO (US); Danail G. Danailov, Westminster, CO (US); and Steven L. Hartmann, Superior, CO (US)
Assigned to Medtronic Navigation, Inc., Lafayette, CO (US)
Filed by Medtronic Navigation, Inc., Louisville, CO (US)
Filed on Aug. 20, 2021, as Appl. No. 17/407,820.
Application 17/407,820 is a continuation of application No. 14/673,994, filed on Mar. 31, 2015, granted, now 11,096,605.
Prior Publication US 2021/0378541 A1, Dec. 9, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 5/06 (2006.01); A61B 34/20 (2016.01); H01F 5/02 (2006.01); H01F 41/04 (2006.01)
CPC A61B 5/062 (2013.01) [A61B 34/20 (2016.02); H01F 5/02 (2013.01); H01F 41/04 (2013.01); A61B 2034/2051 (2016.02); A61B 2034/2068 (2016.02); A61B 2034/2072 (2016.02); A61B 2562/12 (2013.01); H01F 2005/027 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A system for navigating an instrument, comprising:
a first coil jig having at least one first coil of conductive material positioned thereon;
a second coil jig having at least one second coil of conductive material positioned thereon;
a third coil jig having at least one third coil of conductive material positioned thereon;
wherein the first coil jig is configured to be assembled with the second coil jig and the second coil jig is configured to be assembled with the third coil jig to form a coil group of the first coil jig, the second coil jig, and the third coil jig,
wherein the first coil jig includes a main coil receiving portion formed between a first side wall and a second side wall of the first coil jig, and
wherein the main coil receiving portion has faceted corners configured to receive the at least one first coil of conductive material wrapped on the coil receiving portion and the faceted corners.