Surgery – Diagnostic testing – Measuring anatomical characteristic or force applied to or...
Patent
1998-04-15
2000-05-23
Hindenburg, Max
Surgery
Diagnostic testing
Measuring anatomical characteristic or force applied to or...
273445, A61B 500
Patent
active
060661054
ABSTRACT:
A response measuring system for measuring the time required for a user or patient to respond to a prompting event includes a controller or computer connected to a plurality of annunciator driving outputs and a plurality of sensor input receivers. The controller also includes a timer responsive to both annunciator driving outputs and sensor input receivers; a controller memory stores response times. The annunciators can be lights or tactile vibrating stimulators for cuing or prompting the user into responding. The sensors, in general terms, sense the user's response and the timer is used to measure the interval required for the user to respond. The system includes a support member or housing for carrying and positioning the sensors and annunciators for a given experiment. In a first embodiment of the reflex measuring system of the present invention, a housing includes a first and second areas adapted to receive left and right hands with subareas designated for each finger, each with a vibrotactile stimulator, a button actuated microswitch (or reset button) and, preferably, just beyond each finger subarea, a light emitting diode (LED) visibly positioned for indicating which finger is to be flexed in responding to the stimulus. The stimulus is either actuation of the selected LED light source, actuation of the selected vibrotactile stimulator, or both. Once the user sees the LED or feels the vibrotactile stimulator actuated under a selected finger, the user immediately depresses the appropriate reset button. The controller then senses the amount of time elapsed between actuation of the selected light indicator (or vibrotactile annunciator) and sensing of the user's correct response. After test completion, the reaction times may be plotted to show the results.
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