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Catalog Number: mT Electrodes

FHC's microTargeting™ electrodes have been designed specifically for use in functional neurosurgical procedures, including placement of Deep Brain Stimulating electrodes, the use of ablative techniques, or whenever intraoperative recording of single unit neuronal activity in the brain is required.

Our microTargeting™ electrodes have been used at most  DBS centers throughout the world. The numerous configurations and customization options make the electrodes compatible with most drive and stereotactic systems.

All our electrodes can be fabricated with tungsten, stainless steel or platinum/Iridium recording tips. Most microelectrodes are available in the sterile configuration, in convenient individual boxes.

All types of microTargeting™ electrodes can be ordered as D.ZAP. D.ZAP microelectrodes have activated recording surfaces for improved cell isolation at lower impedances. Additional benefits include their exceptionally stable and durable insulation and distinctly visible recording areas. The D.ZAP finishing option reduces microphonics and is suitable for any microelectrode!

All of our clinical electrodes, including D.ZAP, are available in 4 types:

mTD - Differential electrodes

Differential Microelectrodes are our most popular microelectrodes. They are designed to more easily allow differential recording techniques by providing both a microelectrode contact and macroelectrode contact. The microTargeting electrode tip can be retracted up inside its protective tube for risk free insertion into the guiding tube.  The protective tube is insulated so only a small surface is exposed at the end which can be used for macro recording/stimulating. The macroelectrode contact provides a low impedance reference contact which can be plugged directly into the negative input of a differential amplifier. Single contact electrodes require the negative input to be connected directly to a patient ground. The differential arrangement places the reference contact much closer to the microelectrode and can reduce the amplifiers response to many sources of common mode noise.

mTB - Backloaded electrodes

Back Loaded microTargeting Electrodes are intended to be threaded back first up into the guiding tube prior to insertion of the guiding tube into the brain. It is for this reason that they are provided with no termination pins.

Front Loaded microTargeting Electrodes are intended to be threaded tip first down into the guiding tube.  Great care must be taken not to damage the tip of the electrode while doing this.  These electrodes are all provided with a stop collar (set at a calibrated, specified distance) and a termination pin.

mTS - Shielded electrodes

Shielded microTargeting electrodes are provided in their own protective tube.  The microTargeting electrode tip can be retracted up inside this protective tube for risk free insertion into the guiding tube.  An additional benefit of this arrangement is that a shielding tube on the electrode serves to completely shield the entire length of the electrode from electrical noise pick-up for a dramatically quieter recording                                                      environment.

mTD type electrodes:

Single Electrode configuration:

Tungsten/Stainless Steel Electrode shank Ø 250µm (0.010") epoxy insulation

Platinum Iridium Electrode Shank Ø 125µm (0.005") glass insulation

Array Electrode configuration:

Tungsten/Stainless Steel Electrode shank Ø 200µm (0.008") epoxy insulation

Platinum Iridium Electrode Shank Ø 125µm (0.005") epoxy insulation

Impedance for all microelectrode: 500 KOhms (+/-30%) to 10 MegOhms (+/- 20%)

mTB type electrodes:

Tungsten/Stainless Steel Electrode shank Ø 250µm (0.010") epoxy insulation

Platinum Iridium Electrode Shank Ø 125µm (0.005") glass insulation

mTF type electrodes:

Tungsten/Stainless Steel Electrode shank Ø 250µm (0.010") epoxy insulation

Platinum Iridium Electrode Shank Ø 125µm (0.005") glass insulation

mTS type electrodes:

Tungsten/Stainless Steel Electrode shank Ø 250µm (0.010") epoxy insulation

Platinum Iridium Electrode Shank Ø 125µm (0.005") glass insulation

• D.ZAP Electrodes
• microTargeting Insertion Tubes

mT Electrodes

• Directions For Use / viewable
• Directions For Use / printable

Frame Array microelectrodes

22675Z Sterile D.ZAP (5 pk)

22675L Sterile D.ZAP Leadpoint (5 pk)

22630R Non-Sterile (6 pk)

22635Z Non-Sterile D.ZAP (6 pk)

22635L Non-Sterile D.ZAP Leadpoint (6 pk)

 Frame Single microelectrodes

34685Z Sterile D.ZAP (5 pk)

34685L Sterile D.ZAP Leadpoint (5 pk)

 34620R Non-Sterile (6 pk)

34625Z Non-Sterile D.ZAP (6 pk)

34625L Non-Sterile D.ZAP Leadpoint (6 pk)

Platform microelectrodes

44970R Sterile (5 pk)

44975L Sterile D.Zap Leadpoint (5 pk)

44975Z Sterile Platform D.ZAP (5 pk)

44930R Non-Sterile (6 pk)

44935Z Non-Sterile D.ZAP (6 pk)

44935L Non-Sterile D.ZAP Leadpoint (6 pk)

Nexframe® microelectrodes

(array and single for use with STar™ drive)

5700R Sterile STar™ Drive (5 pk)

5705Z Sterile STar™ Drive D.ZAP (5 pk)

5705L Sterile STar™ Drive D.ZAP Leadpoint (5 pk)

5730R Non-Sterile STar™ Drive (6 pk)

5735Z Non-Sterile STar™ Drive D.ZAP (6 pk)

5735L Non-Sterile STar™ Drive D.ZAP Leadpoint (6 pk)

Nexframe® microelectrodes

(array and single for use with mT drive or Nexdrive)

5005Z Sterile D.ZAP (5 pk)

5005L Sterile D.ZAP Leadpoint (5 pk)

5030R Non-Sterile (6 pk)

5035Z Non-Sterile D.ZAP (6 pk)

5035L Non-Sterile D.ZAP Leadpoint (6 pk)