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5.4.2. PATIENT POSITIONING DESCRIPTION (CRANIOSTAT)
EN
Craniostat components:
1 – Base
2 – Rods
3 – Chinrest
4 – Bite piece
5 – Bite piece block lever
6 – Cross member
7 – Front support
8 – Arms
9 – Anatomic arches
10 – Arms block levers
11 – Undenose support
The craniostat consists of a lower part and an upper one, connected by two
carbon rods (2).
The lower part consists of a base (1) which is fitted in the chinrest seat with metal
pins and that can be removed by simply pulling upwards.
The chinrest (3) is fitted in the dedicated inserts in the base (1) by means of pins
and can be removed simply by sliding it upwards.
The bite piece (4) is fitted in the suitable hole of seat (1): once it is set at the
desired height, pull the central lever (5) from the left (unlocking position
the right (locking position
Please remember that, in order to remove it, it is necessary to take lever (5) to
the unlocking position and to slide it out of its seat.
The upper part consists of a cross member (6) that can slide vertically along the
carbon rods (2).
The cross member also features two arms (8), installed on its sides, that can be
extended or closed depending on the size of patient's cranium. The anatomic
arches (9) are secured at the arm ends: they can rotate freely on their pin to
adjust to patient's anatomy.
After having correctly positioned the patient's head,:
a - push front support (7), making the pad rest against the patient's forehead,.
b - rotate the arms (8) towards the patient's temples, ensuring that the rubber
blocks at the ends of arches (9) adhere to the head anatomy.
c - rotate levers (10) downwards to ensure a correct locking.
OPERATOR'S MANUAL
) in order to centre it and lock it in place.
) to
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