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Apparatus for determining in vivo response to thermal stimulation in an unrestrained subject
Apparatus for determining in vivo response to thermal stimulation in an unrestrained subject
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机译:用于在不受约束的受试者中确定体内对热刺激的反应的装置
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摘要
An apparatus for determining in vivo hyperalgesia to thermal stimulation in an unrestrained subject within a predetermined space permitting the selective application of radiant heat to a site of the subject comprises a timer, a movable light source, a light detector and a stopper for the timer, the light source and the detector, the stopper being electrically connected thereto and automatically activated by the light detector upon site withdrawal, and a starter for the timer and the light source and for activating the light detector that is electrically connected thereto. When the light source is aimed at the site and positioned at a distance effective to locally provide radiant heat thereto and the starter is activated, after a latency time period the light beam elicits a spontaneous withdrawal response from the subject that is detected by the detector. The timer, the light source and detector, the stopper and the starter are part of an electrical circuit which is to be connected to a power source prior to use.
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