Patent ID: 11918304
Assignee: GLOBUS MEDICAL INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 10:
11. A registration fixture for use with a surgical navigation system for registration of medical images to a three-dimensional tracking space comprising:
a base frame adapted to be mounted to an x-ray medical imaging device;
an orientation plate attached to the base frame and having a first set of non-uniformly arranged radiopaque markers lying on a first circle;
a registration plate attached to the base frame and having a second set of uniformly arranged radiopaque markers lying on a second circle larger than the first circle, the second circle being to the first circle and the orientation plate and registration plates being spaced from each other; and
a side frame having a plurality of optical tracking markers and adapted to detachably mount to the base frame without piercing a sterilizing drape to be interposed between the base frame and the side frame.