Users Manual Part 1

Clinical User’s Guide IBA | 7-13|
Volume 1 - Treatment Session
|Part II - Using Treatment Room Equipment Moving the Patient Positioning Devices |
Snout Holder
Note: For details on how to move the PBS dedicated snout with Manual and Auto
motions using the wireless hand-pendant, refer to Chapter 9. For details on how to
move the PBS dedicated snout with Manual and Auto motions using the remote
positioning controls, refer to Chapter 11.
The Snout Holder is the structure on which the accessory drawer is mounted.
The snout holder has one direction (axis) of movement:
 Movement along the beam axis (Z
g
axis of the Gantry Coordinate System) to
position the accessory drawer closer to the patient’s skin in preparation of
irradiation or to retract it away from the patient’s skin following irradiation.
Accessory Drawer
Note: For details on how to move the accessory drawer with Manual and Auto
motions using the wireless hand-pendant, refer to Chapter 9. For details on how to
move the accessory drawer with Manual and Auto motions using the remote
positioning controls, refer to Chapter 11.
Note: Due to safety reasons, moving the accessory drawer using the hand-pendant
is only possible when the snout holder is at a position far from isocenter (i.e,
retracted position).
At the end of the nozzle, an accessory drawer can support an optional range shifter,
ridge filter or snout (and a block and/or range compensator onto the snout). This
accessory drawer can be put fully in (inserted) or out (retracted) of the beam path
depending on whether or not the accessory is used in the prescription.