B. Braun Aesculap Spine Quintex SC420R Gebrauchsanweisung/Technische Beschreibung Seite 12

Aesculap
Quintex® anterior cervical plate system - Instruments
Damage to the Quintex® screw or insufficient lock-
ing of the Quintex® screw if it is not correctly
engaged in the hole or slot of the Quintex® plate.
CAUTION
►
Ensure that the Quintex® screw correctly
engages in the hole or slot of the Quintex®
plate.
►
Quintex® screw must not be screwed in too
deep.
Note
Screwdriver M is a self-holding screwdriver. A screw holding sleeve is not
required.
►
Insert the working end 6 of the screwdriver M fully into the screw
head 7.
►
Make certain that the screwdriver holds the screw.
7 6
Fig. 17
►
Screw the Quintex® screw into the hole or slot of the Quintex® plate 1
by applying mild pressure with screwdriver M, while rotating clock-
wise, until the screw head 7 fully engages in the hole or slot.
►
Remove screwdriver M from the screw head 7.
After removing the screwdriver M, the locking ring 8 must be flush
with the screw head 7.
►
Make certain that the Quintex® screw is securely locked in the
Quintex® plate 1.
The screw is securely locked when at least 3 of the 5 petals of the screw
head are positioned in the hole/slotted hole of the Quintex® plate
under the plate surface and both sides of the screw head are positioned
in the hole or lotted hole underneath the plate surface from a lateral
perspective.
10
®
M
M
M 6
7
6
8
a
Fig. 18
Legend
a Screw in plate hole or slot of the Quintex® plate, the screw unlocks
automatically when it passes through the hole or slot and it locks as
soon as it is fully inserted
b Screw correctly inserted and locked, top of the locking ring 8 sits flush
with the screw head 7
►
Check the Quintex® screw is correctly seated in the hole or slot of the
Quintex® plate:
– If the Quintex® screw has not been fully screwed into the plate hole
or slot, screw the screw in deeper by 1/4 to 1/2 turns clockwise.
– If the Quintex® screw has been screwed in too deep, turn the screw
by 1/4 to 1/2 turns counterclockwise.
a
Fig. 19
Legend
a Screw not screwed into the hole or slot of the Quintex® plate fully
b Screw screwed into the hole or slot of the Quintex® plate too deep
c Correctly inserted screw
M
8
7
b
b c