Brainlab CRANIAL/ENT OPTICAL TRACKING Instrument User Manual page 26

Reusable Suction Tubes
Accuracy Verification
Offset ① of flat tip ② when verifying accuracy in the reference array cone ③.
Due to its flat tip, be aware of the offset when verifying the accuracy of suction tubes using the
cranial reference array cone (refer to the figure above) after having calibrated the standard
suctions tubes (Frazier tip) in ICM receptacle. The offset is based on the different suction tube
sizes in combination with the different reference arrays as shown in the table below:
Reusable Suction Tube Size
8 Charr. (REF 55790-75)
10 Charr. (REF 55790-70)
26
②
①
Figure 5
Offset when Verification in 4-
Marker Reference Array
Cone
1.0 mm
1.2 mm
Instrument User Guide Rev. 2.6 Cranial/ENT Optical Tracking
③
Calibration Method
Receptacle
Receptacle