3.3 Instrument Calibration Matrix
Introduction
The Instrument Calibration Matrix (41874) is used to:
• Calibrate the axis, vector, diameter, and tips of non-precalibrated instruments
• Verify and validate calibration accuracy of precalibrated instruments
Calibration Point
If you calibrate instruments using the calibration point, refer to the software user guide.
Components
Figure 6
No. Component Function
①
Reference Plane 1
Calibrate:
• Chisel tips
• Flat-tipped instruments
②
Reference Plane 4
Reference for:
• Tip distance of instruments calibrated in the V-inset
③
Reference Plane 2
Manually determine the width of tips and to calibrate:
• Chisel tips
• Flat-tipped instruments
④
Reference Plane 3 (V-inset)
Reference for:
• Shaft diameter of instruments calibrated in the V-inset
⑤
Receptacle (example)
Calibrate the long axis of:
• Short shafts
• Shafts that do not reach reference plane 4 (when the in-
strument is positioned in the V-inset)
⑥
Pivot points
Calibrate:
• Pointed instruments
GENERAL INSTRUMENTATION
Instrument User Guide Rev. 2.6 Cranial/ENT Optical Tracking 27
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