US 12,329,574 B2
Fiducial systems for probe tracking and identification
Peter Bentley, Reno, NV (US); Nishey Wanchoo, San Mateo, CA (US); and Qingxiang Ke, San Jose, CA (US)
Assigned to PROCEPT BioRobotics Corporation, San Jose, CA (US)
Filed by PROCEPT BioRobotics Corporation, Redwood City, CA (US)
Filed on Oct. 31, 2022, as Appl. No. 18/051,414.
Prior Publication US 2024/0138808 A1, May 2, 2024
Int. Cl. A61B 8/00 (2006.01); A61B 8/12 (2006.01); A61B 90/00 (2016.01)
CPC A61B 8/4254 (2013.01) [A61B 8/12 (2013.01); A61B 8/4422 (2013.01); A61B 90/39 (2016.02); A61B 2090/3945 (2016.02)] 19 Claims
OG exemplary drawing
 
1. A fiducial system for use with a drape comprising:
a fiducial assembly configured to couple to a probe across the drape with a fixed orientation and offset relative to an elongate axis of the probe, the fiducial assembly comprising:
a base;
a coupling attached to the base and configured to couple the fiducial assembly to the probe across the drape, wherein a first portion of the coupling is located on the probe and a second portion of the coupling is located on the fiducial assembly, the first portion configured to couple to the second portion with the drape between the first portion and the second portion; and
one or more fiducials attached to the base.