Patent ID: 11937885
Assignee: SMITH & NEPHEW ASIA PACIFIC PTE. LIMITED
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 0:
1. A surgical system comprising:
a tracking device comprising:
a frame, and
a first fiducial marker disposed on the frame, the first fiducial marker configured for use with a surgical navigation tracking system, the tracking device configured to be mounted to a patient;

an augmented reality marker assembly comprising a second fiducial marker configured for use with an augmented reality system, the augmented reality marker assembly configured to be attached to the tracking device at a fixed orientation relative to the frame, the augmented reality marker assembly further comprising a plurality of fastening mechanisms, the plurality of fastening mechanisms configured to removably attach the augmented reality marker assembly to the frame such that the augmented reality marker assembly assumes the fixed orientation;
a sensor assembly configured to identify locations of each of the first fiducial marker and the second fiducial marker; and
a control system communicably connected to the sensor assembly, the control system configured to:
determine a first three-dimensional orientation of the patient by locating the first fiducial marker via the sensor assembly,
determine a second three-dimensional orientation of the augmented reality marker assembly by locating the second fiducial marker via the sensor assembly, and
determine a relationship between the first three-dimensional orientation and the second three-dimensional orientation according to the fixed orientation of the augmented reality marker assembly relative to the tracking device.