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The FricTest® is used for the assessment of symptomatic dermographism and the determination of activation thresholds. It is a certified, easy-to-use dermographometer for diagnosing patients with symptomatic dermographism (artificial urticaria), as well as for measuring their activation thresholds and disease activity.
In its latest version with four pins, the FricTest® 4.0 allows simultaneous skin stimulation at four different lengths, applying four different levels of provocation:
To complete an examination, position the FricTest® vertically so that the four tips touch the skin and then stroke once, with moderate pressure across the width of the palmar forearm surface at a distance of approximately 60mm. A positive response is defined as the appearance of a palpable wheal greater than or equal to ≥ 3 millimeters in width, 10 minutes after provocation. Positive responses to provocation with the largest tip of the FricTest® (level IV) confirm the presence of symptomatic dermographism.
Suitable for use by healthcare professionals.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.