2020 VFrey & Hargreaves Behavioral measurements devices

2x Dynamic Plantar Aesthesiometer - For Automated Mechanical Stimulation and Allodynia

Touch sensitivity is traditionally tested with Von Frey filaments, which is a tedious and experimenter-dependent assay.

The Dynamic Plantar Aesthesiometer is a unique system, which fully automates the amount of force applied by an electromagnetic, silent motor exerting from 0 to 100 grams at a rate adjustable from 0 to 50 seconds.

When the animal responds, by withdrawing its paw, the device automatically scores the time and the force at which the response occurred and the data can be stored or exported in CSV format.

One model for Mice or Rats in modular enclosures (up to 6 rats or 12 mice)

2x Plantar Test for Thermal Stimulation - Hargreaves Apparatus

In the late ‘80s Dr. Hargreaves invented a method to assess thermal pain sensation in unrestrained rodents by stimulating the single hind paw and thus allowing for unilateral/contralateral experiments. Ugo Basile made a science-grade instrument to perform this stimulation and automatically measure response, it became a gold-standard with more than 2,000 publications in 2022.

A thermal stimulus, generated by a focused light source is applied through a glass pane to the plantar surface of the hind paw of the animal and the response to this stimulus consists of withdrawal of the stimulated paw. Ideal for hyperalgesia measurements.

One model for Mice or Rats and high throughput with enclosures for up to 12 mice or 6 rats.

Each apparatus contains a detector unit, an electronic unit with a touch screen for setting parameters and saving data and the corresponding structure for the animal cages, as well as the PC software and a USB stick

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