US 11,690,679 B2
Localization systems and methods of use
Scott E. M. Frushour, Boulder, CO (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Dec. 16, 2019, as Appl. No. 16/715,086.
Claims priority of provisional application 62/800,665, filed on Feb. 4, 2019.
Claims priority of provisional application 62/789,604, filed on Jan. 8, 2019.
Prior Publication US 2020/0214770 A1, Jul. 9, 2020
Int. Cl. A61B 34/20 (2016.01); A61B 17/00 (2006.01); A61B 90/00 (2016.01); A61B 34/30 (2016.01); A61B 18/00 (2006.01); A61B 18/12 (2006.01)
CPC A61B 34/20 (2016.02) [A61B 17/00234 (2013.01); A61B 34/30 (2016.02); A61B 2017/00004 (2013.01); A61B 2017/0023 (2013.01); A61B 2017/00809 (2013.01); A61B 2018/00595 (2013.01); A61B 2018/126 (2013.01); A61B 2018/1253 (2013.01); A61B 2034/2051 (2016.02); A61B 2034/2061 (2016.02); A61B 2090/374 (2016.02); A61B 2090/376 (2016.02); A61B 2090/378 (2016.02); A61B 2090/3735 (2016.02); A61B 2090/3762 (2016.02); A61B 2090/3958 (2016.02); A61B 2090/3966 (2016.02)] 10 Claims
OG exemplary drawing
 
1. A method for localizing a nodule of a patient, comprising:
inserting a delivery tool into a patient, the delivery tool defining a longitudinally-extending passageway and carrying a magnetic fiducial disposed within a distal section of the longitudinally-extending passageway and a permanent magnet axially restrained within a proximal section of the longitudinally-extending passageway;
maintaining, during insertion of the delivery tool into the patient, the magnetic fiducial within the distal section of the longitudinally-extending passageway via a magnetic attraction between the permanent magnet and the magnetic fiducial marker;
advancing a pusher rod distally through the delivery tool and relative to the permanent magnet to exert a threshold, distally-oriented force on the magnetic fiducial to overcome the magnetic attraction between the permanent magnet and the magnetic fiducial, thereby deploying the magnetic fiducial from the delivery tool to embed the magnetic fiducial in a nodule; and
locating the magnetic fiducial with a localization tool.