Brooke Winter

Corporate Controller

Brooke leads the finance department in month end close and financial statement preparation process, streamlining it to enable timely decision making. She also works to strengthen and improve internal controls, managing areas such as the cycle count program and coordination of annual audits. Brooke is also responsible for budgeting and providing support and analysis to the leadership team in alignment with the long-term growth strategy across all areas of the business. Before joining the Ad-Tech team in 2021, Brooke held several roles in Finance at SC Johnson, supporting areas such as Global Supply Chain, Global Internal Audit, and Global Consumer Brands. Education includes a Bachelors of Business Degree with a double major in Accounting and Finance from the Wisconsin School of Business. Brooke is also a Certified Public Accountant (CPA).

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Neurosurgeons around the world look to Ad-Tech for the electrodes used to treat intractable epilepsy.
Together, we’re changing lives.

Depth Electrodes

The industry standard, Ad-Tech electrodes have the feel, the quality and the reliability surgeons love. 

Epilepsy/LTM* depth electrodes are used for monitoring/mapping the subsurface levels of the brain for the surgical treatment of epilepsy.

Ad-Tech Medical Depth Electrodes

Ad-Tech depth electrodes have the following features:

  • Platinum contacts
  • Numbered and color coded for identification
  • 19cm depth indicator marker
  • Include inner wire stylet to aid in placement
  • Sterile, single-use only

*Recording area measurements are available upon request.

Spencer Probe Depth Electrodes

Spencer Probe depth electrodes have the following features:

  • 1.1mm diameter
  • Includes stay flange for strain relief
  • 5mm or 10mm contact spacing

Spencer Probe Depth Electrodes

High Density Depth Electrodes
  • Smaller contacts with tight spacing options
sEEG Depth Electrodes

Reduced diameter design for less invasive depth electrode placement.
All standard sEEG depth electrodes have the following features:

  • 0.86mm diameter
  • Various contact spacing options available

sEEG Depth Electrode

Macro-Micro Depth Electrodes

Behnke Fried/Micro Inner Wire Bundle

For simultaneous macro and micro contract recordings.
All macro-micro depth electrodes have a 1.3mm diameter

Behnke Fried/Micro Inner Wire Bundle
  • Outer macro contact depth that accepts delivery of inner micro wire bundle
  • Micro contacts extend past tip of macro depth electrode
All-In-One Macro-Micro
  • Various configurations available
  • Micro contacts radially spaced on body of depth electrode

Macro-Micro Depth Electrodes

Macro-Micro Depth Electrodes

Additional Option Depth Electrodes
  • Used with Neuronavigational devices to assist with accurate placement of depth electrodes
  • 2mm diameter
  • Various contact and spacing options available
Foramen Ovale Electrodes

For lateralizing/localizing the epileptic foci for the surgical treatment of epilepsy

Foramen Ovale electrodes have the following features:

  • 1.02mm diameter
  • Platinum contacts
  • Includes two 17 gauge needles for placement
  • Uses FO style Tech-Attach connection system
  • Special Tech-Attach block included
  • Each set includes 2 electrodes, 2 introducing needles, and 2 connector blocks
  • Available in various contact and spacing options
  • Sterile, single-use only

Subdural Electrodes

Subdural Grid Electrodes

Ad-Tech subdural grid electrodes have the following features:

  • Available in platinum or stainless steel
  • Numbered 4mm contacts
  • 10mm contact spacing
  • Color coded for identification
  • Sterile, single-use only

Subdural Grid Electrodes


Contoured shape may provide more flexibility to conform to the cortical surface

High Density

Tighter spaced options may be available to allow for a dense recording area

Various Tail Options

Single-tail construction to reduce the number of tails tunneled
90˚ perpendicular tail exit design from the center of the electrode that may allow for a smaller craniotomy

Subdural Strip Electrodes

Ad-Tech subdural strip electrodes have the following features:

  • Available in platinum or stainless steel
  • Non-numbered contacts with reinforcement fiber or available with numbered contacts without reinforcement fiber
  • 10mm contact spacing
  • 8mm width
  • Thin and flexible
  • Color coded for identification
  • Sterile, single-use only


Subdural Strip Electrodes



6mm width electrode ideal for burr hole placement

Various Shape Options

“L” and “T” shape offering different tail exit options

Additional Option Subdural Electrodes
Temporal Lobe

Right and left electrodes are designed for the temporal and subtemporal cortex

Interhemispheric Dual-Sided

Mirror-image contacts on both sides of electrode allowing for dual-sided recording

3D Style

6mm indented numbered platinum contacts ideal for intraoperative monitoring


Multi channel electrodes allowing for varied coverage with construction to reduce the number of tails tunneled


Ad-Tech Medical Subdural Electrodes

*Long Term Monitoring: Device use is indicated for up to 29 days. 
Note: Devices on this website may not have been licensed in accordance with Canadian law.