Medtronic DBS 3387 Gebrauchsanweisung Seite 32

Burr hole cap and ring
Tube (remove
after tunneling
is completed)
Percutaneous
extension wires
Figure 18. Tunneling and Lead Placement.
3. Make a small stab wound where the percutaneous extension wires
will exit the skin.
4. Tunnel subcutaneously from the pocket through the exit point.
5. Remove the tunneling tool, leaving the tube in place.
6. Pass the percutaneous extension wires through the tube. Leave only
the pin connector and approximately 40 mm of the fine wires
protruding from the exit point (Figure 18).
7. Remove the tube.
8. Coil the lead in a circle greater than 25 mm in diameter to prevent
bending or kinking. Place the coiled lead in the pocket.
Caution: Be extremely careful when using sharp instruments around
lead body to avoid nicking or damaging the lead.
Connecting the Lead and Percutaneous Extension
The following procedure provides instructions on how to connect the DBS
lead to the percutaneous extension.
1. Push the connector boot over the exposed end of the lead
(Figure 19).
Figure 19. Push connector boot over lead.
2. Insert the exposed end of the lead completely into the percutaneous
extension connector (Figure 20).
30 English Technical Manual
Lead
Percutaneous
connector
50 mm pocket
Exit
Pin connector
handle