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Pain & Sensory Evaluation System

An advanced Quantitative Sensory Testing (QST) stimulator for evaluating nerve impairment in clinical, research and pharmacological trials


The PATHWAY model ATS expands the functionality and performance of Medoc’s TSA-II NeuroSensory Analyzer and offers optional add-on fMRI conditional configuration.

 The ATS takes QST to a new level, delivering painful and non-painful stimuli at a temperature range of 0ºC to 55ºC (expandable to -10ºC to 55ºC) with heating and cooling rate of up to 8ºC/sec. This opens new research opportunities in deep cold and heat pain studies.


Like the TSA-II, the PATHWAY model ATS is available with 30x30mm and 16x16mm ATS Thermal Stimulator Probes (“Thermodes”).

PATHWAY model ATS is available as a complete mobile system on a uniquely designed clinical cart, containing electronic base unit, heavy-duty integrated cooling unit, analog output, TTL input & output, Digital Calibration Kit and PATHWAY model ATS – Advanced Thermal Stimulation Software.


PATHWAY ATS Thermodes are also available in an fMRI conditional configuration. ATS Thermodes can be used to deliver thermal stimuli inside fMRI scanners. By using a special fMRI filter, the PATHWAY system ensures accurate stimulation and reduced imaging artifacts.


ATS Features

  • Increased temperature range (-10ºC-55ºC) on selected models

  • Large (30x30mm / 16x16mm) thermode / thermal stimulator for testing large skin areas to reach greater receptor fields

  • Outcome-based color graphic reports with an automated narrative discussion of test results for insurance and referral networks

  • Automatic comparison of test results to normative reference data

  • fMRI-conditional (optional)

  • Versatile WINDOWS™ based software with a flexible selection range of test paradigms for clinical, research and drug trial requirements. The software meets hospital requirements for maximum data security and remote access for online service

  • Fast setup, easy-to-use

  • Modular design for easy upgrade

  • Mobile

Useful in monitoring, treating and testing in:


  • Nerve root compression and inflammation

  • Small-fiber allodynia in Complex Regional Pain Syndrome (CRPS)

  • Central Nervous System impairment in difficult-to-diagnose patients

  • Early detection of diabetic neuropathy of small-caliber nerve fibers

  • Effectiveness of growth factors, aldose reductase inhibitors, and other new therapies.

  • Entrapment and toxic neuropathies

  • Testing programs to detect malingerers.

Download the PATHWAY brochure

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