DIDAC INTERNATIONAL
Dynamic Plantar Anesthesiometer

Dynamic Plantar Anesthesiometer

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Dynamic Plantar Anesthesiometer

The Dynamic Plantar Anesthesiometer consists of a movable force-actuator below a network platform upon which the operator deposits the rodent. A Perspex enclosure renders the animal unrestrained for the duration of the experiment.  The operator places the actuator beneath the paw (proper placement ensured via an angled mirror) and the actuator confers a use-defined force on a Von Frey-type filament. The filament exerts an increasing force to the plantar surface, starting below the threshold of detection and increasing until the animal removes its paw. At the retraction reflex movement when the paw is withdrawn, the registers and displays the actual force at which paw withdrawal occurred.

Specification of Dynamic Plantar Anesthesiometer

Power Requirement

115 V, 50 Hz, 20 W maximum

230 V, 60 Hz, 20 W maximum

imensions Electronic Unit, H x W x D Metric

12 x 26 x 13 cm

12 x 26 x 13 cm

Dimensions Electronic Unit, H x W x D English

4.73 x 10.2 x 5.1 in

4.73 x 10.2 x 5.1 in

Dimensions Assembled Platform, H x W x D Metric

40 x 50 x 32 cm

40 x 50 x 32 cm

Dimensions Assembled Platform, H x W x D English

15.75 x 19.7 x 12.6 in

15.75 x 19.7 x 12.6 in

Force Range

0 to 50.0 grams, in 0.5 g steps

0 to 50.0 grams, in 0.5 g steps

Force Increasing Rate

Adjustable in the interval 1 to 20 seconds, in 1 s steps

Adjustable in the interval 1 to 20 seconds, in 1 s steps

Filament Travel Metric

12 mm

12 mm

Latency Time

Read-out on the graphic display, in 0.1s steps

Read-out on the graphic display, in 0.1s steps