Patent ID: 11911113
Assignee: AURIS HEALTH, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. An instrument tracking system comprising:
a first set of one or more electromagnetic (EM) field generators associated with a first surgical bed portion of a surgical bed and configured to generate a first EM field volume;
a second set of one or more EM field generators associated with a second surgical bed portion of the surgical bed and configured to generate a second EM field volume, the second EM field volume overlapping the first EM field volume in an overlapping EM field volume; and
controller circuitry configured to:
determine a first vector between a first local coordinate system associated with the first EM field volume and a global coordinate system;
determine a second vector between a second local coordinate system associated with the second EM field volume and the global coordinate system; and
after relative movement between the first surgical bed portion and the second surgical bed portion, determine a modified first vector between the first local coordinate system and the global coordinate system.