Brainlab RT/RS Hardware User's Manual page 61

IMMOBILIZATION HARDWARE
Steps
How to Mold the Middle Mask
Steps
Hardware User Guide Rev. 4.9 RT / RS Stereotactic Hardware
Before proceeding, test the temperature of the softened mask to ensure the patient's
3.
comfort.
4. Lift the patient's head and snap the mask onto the upper side of the vertical posts.
5. Lower the patient's head onto the headrest (Figure 31, left).
Gently mold the material to the contour of the patient's head as the mask material
6.
hardens (Figure 31, right).
Place the middle mask in the heated water bath until the mask becomes transparent.
1.
This mask may take longer to heat than the rear mask.
Place the 2 mm spacers onto the vertical posts.
2.
Always align the shape of the spacers with the shapes of the vertical posts. The notch
must be on the outer side, so that the clips fit into the notch.
3. Remove the mask from the bath and place on a towel to dry.
Before proceeding, test the temperature of the softened mask to ensure the patient's
4.
comfort.
Place the mask on the center of the patient's face.
5.
The wider strip is placed just above the patient's eyebrows and the narrow strip is
placed just beneath the patient's nose, but above the mouth.
6. Stretch the mask carefully and evenly towards the vertical posts.
7. Snap the mask onto the vertical posts and secure it with the S clips.
8. Use your fingers to gently mold the mask to the patient's facial contours.
Figure 32
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