Vercise™ DBS Leads Directions for Use
91172963-02 REV A 9 of 329
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6.
If the Stimulator will be implanted during a separate surgery, prepare the DBS Lead for the
Stimulator implantation procedure.
(a). Insert proximal end of the DBS Lead into the Lead Boot until it stops.
(b).
Place a Suture Sleeve on the left DBS Lead to differentiate the Leads.
Note:
Be sure to fully insert the proximal tip of the DBS Lead into the Lead Boot so that the
retention sleeve is located under the Setscrew (Figure 11).
Correct
Incorrect
Figure 11:
Securing the DBS Lead in the Lead Boot
Note:
The retention sleeve is easily distinguishable from the contacts by its length (Figure 12).
Contacts
Retention Sleeve
Proximal End of the DBS Lead
Figure 12:
Retention Sleeve
(c). Pass the Torque Wrench through the slit in the septum located on the top of the Lead Boot.
(d). Tighten the Setscrew until the Torque Wrench clicks, indicating the Setscrew is fully
secured.
Note:
To tighten the Setscrew, use one hand to grasp the Lead Boot at the base and the other to
rotate the Torque Wrench clockwise until it clicks, indicating the Setscrew is fully secured
(Figure 13). To loosen the Setscrew, rotate the Torque Wrench counterclockwise.
Figure 13:
Tightening the setscrew
CAUTION:
The wrench is torque limiting, such that the Setscrew cannot be over tightened.
Use only the wrench provided, as other tools may over-tighten the Setscrew
and damage the DBS Lead.
