Manual
Instructions for use
DSPS
-
Prominent
SOLUTIONS IN RADIOTHERAPY
6
19092022V2IFU113000
MacroMedics ®
™
5.1
MOULDING THE SUPINE OCCIPITAL MASK
1.
Make sure that the rotatble lock pawls on either side
of the frame are in ‘unlocked’ positions.
2.
Rotate the top part of the mouldroom tool to one side so that it is not
in the way when the patient has to lie down.
3.
Take a new supine occipital mask (dark blue, RayOC thermoplastic mask
with the black frame).
4.a
When using a Waterbath (of min. internal dimensions, in mm: 665w x 575d x 80h - we recommend
using the MacroMedics MacroBath 4)
to heat the mask, set the water temperature between 68°C
and 70°C (154.4°F and 158°F). Leave the mask in the water for approximately 15 to 20 seconds until
it becomes sufficiently pliable. Take the mask out of the waterbath and dry it between two towels.
Check the temperature of the mask before skin contact.
4.b
When using an Oven
to heat the mask, set the oven temperature between 68°C and 70°C
(154.4°F and 158°F). Leave the mask in the oven for approximately 2 minutes and 50 seconds to
3 minutes, until it becomes sufficiently pliable. Take the mask out of the oven and check the
temperature of the mask before skin contact. If the mask is too warm, let it cool down before
placing it on the patient.
5.
Ask the patient to sit up. Place the mask onto the DSPS-
Prominent
cradle so that the pins at the
bottom of the black frame fall into the designated holes of the cradle.
6.
Bend both the ends of the frame (at shoulder height) along the slope of the cradle,
lock the frame’s ends with the rotatable lock pawl that is positioned closest to the frame by
turning it until it is locked, as shown below.
7.
Ask the patient to gently lie down onto the mask. Gently position the patient’s head on top of the
mask in the desired position for treatment.
The mask will sink due to the weight of the head and shoulders. The back of the head should just
touch the bottom of the mouldroom tool, but not rest on it. If the depth of the impression is
not deep enough, gently apply pressure with the palm of your hands on the patient’s forehead
to achieve the prescribed position and depth for the mask. Swing the top part of the mouldroom
tool above the patient’s head to check if the chin fits underneath it. If it does not, reposition the
angle of the head slightly while the occipital mask is still mouldable.
Lock
Unlock
Frame
locked
Frame
unlocked
Max. chin height
