英文名
algesimeter
Electronic algesimeter
Anelectronicalgesimeteradaptedtodeterminebycutaneoussensationthethresholdofpainexperiencedbyapatientatanyskinsiteonthebody.Theinstrumentincludesahand-held,pressure-sensitivetransducerhavingprojectingtherefromasensorconstitutedbyapointedprobe.Whenthepointoftheprobeispressedagainsttheskin,thetransducerthenyieldsanelectricalsignalproportionaltotheappliedpressure,thissignalbeingfedtoaresettabledigitaldisplay.Andwhenthepressureappliedtotheskinreachesathresholdvalueatwhichthepatientexperiencespain,aswitchisactuatedbythepatientortheexaminertoretainthedigitalindicationatthatvaluewherebyitmaybereadbytheexaminingphysicianandrecordedaftertheinstrumentiswithdrawnfromtheskin.