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Microelectrode Recording

Microelectrode Recording. Using the FHC micro-drive. 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.

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Microelectrode Recording

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

  4. FHC Calculation

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

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

  7. Retract microelectrode within sheath Pass microelectrode through cannula Advance electrode Connect recording system cables Microelectrode insertion 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. Center Positioner at 45° Center Positioner 3mm offset at “B” 3mm offset at “G” Possible Tracks

  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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