Correct Positioning Of Center Punch Point/Drill Hole; Tapping (Optional); Inserting The Screws - B. Braun Aesculap Spine Quintex SC420R Gebrauchsanweisung/Technische Beschreibung

4.4.3

Correct positioning of center punch point/drill hole

►
To position the center punch/drill hole correctly, insert the working end
of the drill guide 5 or working end of the self-centering cortical center
punch I fully into the hole or slot of the Quintex® plate 1.
►
To implant the screw correctly, position the center punch/drill hole in
the center of the hole or centered in the slot along the long axis of the
Quintex® plate 1, see Fig. 14.
►
Open the cortical bone layer with the cortical bone punch I.
–or–
►
Drill down to the set depth, using drill K.
The depth stop stops the drill on the guide sleeve 3.
Fig. 14
a b
A B
Fig. 15
Legend
A All holes of the hybrid plate
B Distal slots of the dynamic plate
C Middle slots of the dynamic plate
a Correctly positioned Quintex® screw
b Incorrectly positioned Quintex® screw
E / F / G / H
5
a b a
C
4.5

Tapping (optional)

Quintex® screws are self-tapping screws. However, the screw holes can
also be prepared with the tap L.
3
Fig. 16
►
Use tap L with the drill guide.
►
Insert tap L into the drill guide and check the drill depth with a caliper
(e.g. 14 mm).
►
To adjust the required tapping depth with the depth-adjustable drill
guides E and F (10 mm to 28 mm), turn guide sleeve 3 of the drill guide
in direction "+" or "–".
Note
The thread in the drill guide is a left-hand thread.
Every half turn (= depth adjustment by 0.5 mm) you will hear and feel the
guide sleeve clicking into position.
►
Apply the working end of the tap through the drill guide into the pilot
b
hole.
►
Turn the tap L clockwise in slowly and steadily as far as it will go.
►
To remove the tap, turn it counterclockwise until it comes out of the
pilot hole.
4.6

Inserting the screws

Damage to the Quintex® plate and/or Quintex®
screw when screwing in the plate if the screwdriver
is applied incorrectly!
CAUTION
►
►
Damage to the locking ring or locking mechanism
of the Quintex® screw, or destruction of the work-
ing end of the screwdriver if the screwdriver is
CAUTION
applied at a slant or tilted!
►
L
Insert the working end of the screwdriver fully
into the hexalobe (receptive part) of the screw.
When screwing in the screw, maintain a mild
axial pressure on the screw.
Always align the screwdriver with the axis of the
screw.
9