Step
8. Apply slight pressure to the Reference Base Skull to insert the pins ② into the patient's
skull.
9. Turn the tube cap nut clockwise to press the pins into the bone, securing the Reference
Base Skull.
How to Attach the Unsterile Array
Figure 35
Step
1. Bring the unsterile Skull Reference Array down over the pin of the connector interface ③
and tighten the array cap nut ②.
2. Loosen the tube cap nut ① and the adjustment nut ④ to set the position of the array so
that it is visible to the camera.
3. Securely tighten both ① and ④ before starting registration.
NOTE: Do not unscrew any of the reference screws after patient registration. Only the array cap
nut may be unscrewed, to exchange the reference array.
Assembly and Attachment
74 Instrument User Guide Rev. 2.3 Cranial/ENT Optical
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