Page 18 - Digi-Med_Trochanter-Nagel-2021-03-09
P. 18
SURGIcAL TEchNIQUE FOR „Y“-TYpE LIGhT TROchANTERIc NAILING
15 ASSEMBLING WRENch FOR DYNAMIc ScREW
Drive the threaded stem (14) through the T-wrench
(10) from above, drive the compressing device (7) from
below.
Set the dynamic screw with the threaded stem.
16 INSERTING OF ThE DYNAMIc ScREW
Insert the dynamic screw over the guide wire.The tip of the
screw should be approximately 5 mm before the tip of the
guide wire.
The compressing device (7.) may be used to compress the
fracture.
17 ROTATIONAL STABILIZATION
Use the cardan screwdriver (20) with the T-handle (16)
to tighten the fixing screw in the nail. The tip of the fi-
xing screw should be in a groove of the dynamic screw
to prevent its rotation.
! Unscrew the fixing screw by a quarter turning in order
to dynamize the fixation.
Remark:
The „T-wrench“ can give you a guideline for the posi-
tion of the hole on the stem of the dynamic screw. If
the handle placed to the right position to the targeting
device, then the hole and the fixing screw
suited to each other.
18 Digimed Medizintechnik • Kreutzerstrasse 1 • 78573 Wurmlingen • Germany • www.digi-med.de
