Braun Aesculap S4 MIS Instructions For Use/Technical Description page 8

®
Aesculap
S4 MIS instruments
Excessive trocar insertion
depth in the event of a missing
end stop means a risk of
WARNING
injury!
►
Delay in surgery due to the
outer sleeve slipping down
FW705R!
WARNING
►
■
■
Damage to the pedicle screws
and incorrect positioning due
to using the wrong screw-
CAUTION
driver!
►
4
Use trocar FW271R only in
combination with the aim-
ing device FW258R.
Secure the outer sleeves by
hand when inserting or
removing other instru-
ments (e.g. the thread cut-
ter, screwdriver).
The outer sleeve can be
reapplied using the posi-
tioning aid FW708R.
The outer sleeve can be
secured using the threaded
tube FW234R and the
adjusting screw, long
FW707R
Only use the guide instru-
ment FW708R for screw-
ing in monoaxial pedicle
screws.
Damage to the monoaxial ped-
icle screw when screwing in
with the FW708R with the
CAUTION
screwdriver in the wrong posi-
tion!
►
Disassembling
The threaded tube FW734R and adjust-
ing screw FW707R
►
When using the adjusting screw FW707R with
4
S percutaneous threaded tube FW734R: Screw the
adjusting screw 4 off the threaded tube FW734R,
see Fig. A.
Spacer FW709R
►
Remove the nut and the guide sleeve a from the
spacer 5, see Fig. B.
Bar insertion instrument FW711R
►
Screw the inner part out of the bar insertion
instrument 6, see Fig. C.
Distractor FW238R and distraction
blades, short FW706R
►
Activate slider b and remove the distraction
blades 7 from the distractor FW238R, see Fig. D.
►
Dismantle distractor FW238R with the distraction
blades.
When screwing in the
monoaxial pedicle screw,
always insert the screw-
driver all the way into the
head of the pedicle screw.