Patent ID: 9681837
Date: 2017-06-20
CPC Classifications: A61B,A61F

Claim:
1. A device for diagnosing a presence or absence of central sensitization in a subject with chronic pain, the device comprising: stimulation output means for outputting thermal stimulation which can be perceived by the subject with chronic pain; first input means capable of inputting a measurement start signal at a time corresponding to the end of thermal stimulation; second input means capable of inputting a measurement end signal at a time when the subject does not feel aftersensations caused by the thermal stimulation; and a measurement control body configured to receive the measurement start signal from the first input means, to receive the measurement end signal from the second input means and to measure a time between the measurement start signal and the measurement end signal; wherein the measurement control body determines that the central sensitization is present when the time between the measurement start signal and the measurement end signal is longer than t seconds, where t represents 30 seconds or more and less than 90 seconds.