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Microelectrode Recording Using the FHC micro-drive.

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Presentation on theme: "Microelectrode Recording Using the FHC micro-drive."— Presentation transcript:

1 Microelectrode Recording Using the FHC micro-drive

2 Microelectrode Recording Calculate the micro-drive starting point Assemble the FHC micro-drive Insert the cannulae Insert the microelectrode Additional tracks: –Perform a parallel track –Using the offset positioner Place the DBS lead

3 Starting Point Calculation Depth to target is from alignment adapter Offset calculates for FHC stackup Allowable targeting range is 150-180mm

4 FHC Calculation Stealth Depth FHC Offset Target Depth Approach Height Start Position X- 135 mm= Y- Z= Start example 160- 135 mm= 25 mm- 15 mm= 10 mm

5 FHC Assembly Remove alignment adapter Insert Center positioner Attach drive base Attach micro-drive Note: be sure drive is set to starting depth

6 Cannulae insertion Insert stylet through passing cannula Attach collet to passing cannula Pass cannula/collet combo into drive Remove Stylet Insert microelectrode cannula Note: be sure drive is set to starting depth

7 Microelectrode insertion Retract microelectrode within sheath Pass microelectrode through cannula Advance electrode Connect recording system cables Note: be sure drive is set to starting depth

8 Microelectrode Recording

9 Parallel Tracts Retract drive to starting point Remove cannula & re-insert through offset

10 Offset Positioner Retract drive to starting point Remove cannula Remove drive and drive base Remove center positioner Choose direction for offset Insert offset positioner Re-assemble drive and cannula

11 Possible Tracks Center Positioner 3mm offset at “B” 3mm offset at “G” Center Positioner at 45°

12 Lead Placement Set drive to desired target depth Remove microelectrode and spacer cannula Attach lead holder Insert lead - depth stop at 347mm


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