Surgery – Diagnostic testing – Measuring anatomical characteristic or force applied to or...
Patent
1998-04-09
2000-05-16
O'Connor, Cary
Surgery
Diagnostic testing
Measuring anatomical characteristic or force applied to or...
A61B 5103
Patent
active
060630469
ABSTRACT:
A method and apparatus for the diagnosis and rehabilitation of abnormal human balance corrections. A subject is placed in a standing position on a support surface which can be moved in any combination of pitch and roll directions. Measurements of the balance response of the subject are made using, e.g., force transducers in the support surface (to measure changes in center-of-foot pressure or ankle torque), body sway sensors, such as velocity transducers, mounted on the subject's body (to measure body sway), and EMG electrodes, mounted over muscles on the left and right sides of the subject's body (to measure the electromyographic response of the subject's muscles). The response measures are displayed to an operator in a highly readable form along with response measures from a normal sample population. From the display of response measures, an operator or the system may diagnose the existence, cause (e.g., vestibular, proprioceptive, CNS lesion, or aphysiologic), and side (left or right) of a balance correction abnormality. Response measure information may be provided as feedback to the test subject in visual, auditory, tactile, or electro-vestibular form. A destabilizing virtual reality visual response measure feedback image may be provided using an imaging system mounted on a pair of light excluding eyewear.
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O'Connor Cary
Wingood Pamela
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