US 12,108,994 B2
Nasal patient tracking device and method of using the same
Stefan Wolfsberger, Vienna (AT)
Assigned to Medtronic Navigation, Inc., Lafayette, CO (US)
Filed by Medtronic Navigation, Inc., Louisville, CO (US)
Filed on Sep. 2, 2022, as Appl. No. 17/901,987.
Application 17/901,987 is a continuation of application No. 16/401,412, filed on May 2, 2019, granted, now 11,446,094.
Prior Publication US 2022/0409297 A1, Dec. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 34/20 (2016.01); A61B 1/233 (2006.01); A61B 1/24 (2006.01); A61B 5/06 (2006.01); A61B 34/30 (2016.01); A61B 90/00 (2016.01)
CPC A61B 34/20 (2016.02) [A61B 1/233 (2013.01); A61B 90/361 (2016.02); A61B 1/24 (2013.01); A61B 5/061 (2013.01); A61B 2034/2055 (2016.02); A61B 34/30 (2016.02); A61B 2090/3983 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A patient tracking device for insertion into a body cavity comprising:
a flexible conformable sensor housing comprising a sensor cavity therein, wherein the housing is configured to conform to the body cavity when inserted therein; and
a sensor disposed within the housing;
wherein the sensor housing is formed of flexible, resilient, compressible, expandable, and conformable material;
wherein the sensor housing has a first form at rest, a second form as it is being inserted, and a third form within the body cavity, where the first, second and third forms are each different;
wherein in the second form the sensor housing is compressed and in the third form the sensor housing automatically expands to conform and fix the patient tracking device in the body cavity.