Heat beam dolorimeter

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/103 (2006.01)

Patent

CA 2292511

A portable dolorimeter arrangement for determining a subject's cutaneous pain tolerance level at any site on the body allows for chronic pain diagnosis, and for the diagnosis of subtle sensory abnormalities. The arrangement comprises a heat projector (9) and an IR thermopile (19) focused on the same area of the subject's skin. The heat projector (9) is controlled via an interface (20) by a lap top computer (4) which performs acquisition, processing, display and storage of pain tolerance latency data.

La présente invention concerne un ensemble dolorimètre portatif pour la détermination de niveau de tolérance à une douleur cutanée d'un sujet, sur n'importe quel site corporel, permettant le diagnostic d'une douleur chronique et le diagnostic d'anomalies sensorielles subtiles. Cet ensemble comprend un projecteur de chaleur (9) et une thermopile à infrarouge (19) focalisés sur la même zone de la peau du sujet. Le projecteur de chaleur (9) est commandé par l'intermédiaire d'une interface (20) par un ordinateur portatif (4) qui assure l'acquisition, le traitement, l'affichage et la mémorisation des données de latence de tolérance à la douleur.

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