B. Braun Aesculap Spine S4 Cervical FW086SU Gebrauchsanweisung/Technische Beschreibung Seite 11

Risk of injury to patients due to incorrect naviga-
tion!
►
DANGER Slide reduction sleeve into the Brainlab instru-
ment calibration matrix version 4, until you hear
an audible click.
►
Prior to each use, check and/or validate the instrument with special
reduction sleeve J with the Brainlab instrument calibration matrix ver-
sion 4, see Brainlab user manual. Ensure that all other instruments
(centering tool, drill, tapper etc.) are removed for the instrument vali-
dation.
J
Fig. 11 Reduction sleeve for validation/verification with the Brainlab
instrument calibration matrix version 4
►
To ensure that the camera has an unrestricted view of the reflective
marker spheres, loosen knob 6 on the S
sleeve I and rotate Aesculap star unit H to the desired position, see
Fig. 10.
►
Once the desired position is reached, tighten knob 6 again.
►
4
Place S C guide sleeve I for smoothshank screws in the operating field.
When doing so, ensure that the window of the guide sleeve is closed
during the preparation and insertion of the screw with the guide
sleeve, see laser marking on the inner sleeve 13.
►
Center punch the cortical layer of the vertebral body with the smooth-
shank screw aw (FW085R), see TA011984 and Operating Technique
(O34202).
►
If necessary, insert the awl into the inner sleeve 13 and center punch
the bone as far as the stop-position. The stop-position is indicated with
a marking on the awl.
►
Remove the awl from the operating field.
►
Insert the smooth-shaft screw drill (FW086SU) 14 with mounted han-
dle (FJ839R) or Intra-handpiece into the inner sleeve 13.
►
Before drilling, the pre-set drill length must be checked with a caliper
(e.g. AA845R, Caspar instrument for anterior cervical fusion).
►
Under control with the Brainlab navigation system, drill a hole in the
bone until the adjustable stop-position is reached. For further informa-
tion on drilling, see instructions for use of the S
(TA011984) and Operating Technique (O34202).
4 4
C handle of the S C guide
4
Cervical instruments
►
Remove the drill from the operating field.
►
To prepare the drill holes for the screws, tap the thread with the
smooth-shaft screw tapper (FW087R).
►
Insert the smooth-shaft screw tapper into the inner sleeve and slowly
and steadily tap in until the desired depth is reached. When doing so,
read the thread depth on the tapper scale.
►
Remove smooth-shaft screw tapper from the operating field.
Note
If the S 4 C screw is to be inserted under navigation with the S
FW656R using the guide sleeve I, remove the Aesculap star unit on the S
guide sleeve for smoothshank screws.
Risk of injury to patients due to incorrect naviga-
tion!
►
DANGER The navigated S
S 4 C screwdrivers are only intended for naviga-
tion in the non-navigated S
FW658R.
►
For navigating the S
section on positioning the S
igation and temporarily fixing it in place.
Risk of injury to the patient through freely rotating
screws!
►
DANGER Do not screw in screw so far that the screw head
comes into contact with the S
Note
Use the navigated S 4 C screwdriver FW656R only with non-navigated S
guide sleeve FW658R.
►
4
Navigate S C screwdriver, see Position S4C screw under navigation and
temporarily fix it in place.
►
Insert the screw through the S
completely (smooth shaft must remain free). Remove S
screwdriver D from the operating field.
►
Remove instrument from the screw:
– Turn the blue inner sleeve 13 and open the window on the S
guide sleeve.
4
– Carefully push away S
4
– Remove S C guidesleeve I from the operating field.
4
C screwdriver FW656R or other
4
C guide sleeve
4 C screwdriver FW656R, see
4
C screw under nav-
4 C guide sleeve.
4
C guide sleeve but do not screw it in
C guide sleeve I laterally from the screw.
4 C screwdriver
4
C
4 C
4
C
4 C
9