Assembly and method for objectively measuring pain in a subject

Details Assembly and method for objectively measuring pain in a subject Assembly and method for objectively measuring pain in a subject

1998-05-22

2000-01-25

Smith, Ruth S.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600410, 600425, 600555, 600557, A61B 500

Patent

active

060186755

ABSTRACT:
A device and methodology is disclosed for the objective measurement of pain in awake human subjects. A variable intensity painful stimulus is given to the subject in a time dependent manner, the patient's brain responses are recorded using an appropriate imaging modality (e.g. functional MR) while the subject indicates the level of discomfort using a "perceptometer" or other similar pain rating device. The pain rating is correlated with the imaging results using a quantitative analysis to characterize the brain's representation of this pain. Color overlays are generated on high resolution anatomical images (MR or other modality) of the brain summarizing the calculated pain related analysis information.

REFERENCES:
patent: 5220921 (1993-06-01), Ferris et al.
patent: 5533514 (1996-07-01), Lavigne et al.
patent: 5732702 (1998-03-01), Mueller
patent: 5806522 (1998-09-01), Katims

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