Brainlab ExacTrac - Page 53

Do not use asymmetric ring patterns.
Ceiling Mount Configurations
The following image shows a side view of the ceiling mount dimensions for flat panels:
concrete ceiling
suspended ceiling
l1l2
a
x=variable
y=150 mm
<45°
①
Figure 23
The clearance of y = 150 mm between the lower edge of the interface plate of the ExacTrac
ceiling mount ① and the upper edge of the suspended ceiling must be reserved for the
installation and adjustment of Brainlab devices.
The maximum distance between the interface plate and isocenter must not exceed 1950
mm. For an isocenter height of 1245 mm, the maximum height of the interface plate above
the finished floor is 3245 mm.
Rope Tighteners
Use rope tighteners to apply proper tension to the ropes if vertical bars (l > 80 mm) are used for
ceiling mount installation.
Figure 24
Ceiling mount configurations depending on the distance between the concrete ceiling and the
suspended ceiling:
Config-
uration
a I1 I2 I = I1 + I2 Bars Ropes Rope Ceil-
ing Angles
XS < 220 mm 50 mm n/a 50 mm 1 2 2
S
220 - 250
mm
a - 170 mm n/a
a - 170
mm
1 2 2
CEILING AND WALL MOUNTS
Site Planning Manual Rev. 1.0 ExacTrac Ver. 6.x 53