Device for computerized dynamic posturography and a method for balance assessment
First Claim
1. An apparatus upon which a human subject can be disposed for assessing the subject'"'"'s sensory and motor control, the apparatus comprising:
- (a) a first frame;
(b) a second frame disposed beneath the first frame with a gap between the first and second frames;
(c) a joint mounted in the gap between the first and second frames and mounted to the first and second frames, the joint having at least one axis of rotation about which the first frame is mounted to rotate relative to the second frame; and
(d) means for linearly translating said at least one axis of rotation relative to the first frame and the second frame without causing substantial translation of the first frame relative to the second frame.
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Accused Products
Abstract
A device for balance training and assessing dynamic balance by measuring a subject'"'"'s ability to react to perturbations. A universal joint assembly is translated at the base of a support plate while a top plate on which the subject stands is fixed against translation. The universal joint permits the attached top plate to rotate about at least one and preferably multiple axes, and the subject must control balance following the translation of the universal joint. All components are housed in a one-piece platform assembly, made up of two plates in which the components are mounted. An existing force plate measurement system is placed on the top plate, and the subject stands thereon during use. A virtual environment, by image-creating devices, may be used to create a realistic sensation of tripping and general postural instability, or shifting of the support surface.
157 Citations
30 Claims
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1. An apparatus upon which a human subject can be disposed for assessing the subject'"'"'s sensory and motor control, the apparatus comprising:
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(a) a first frame; (b) a second frame disposed beneath the first frame with a gap between the first and second frames; (c) a joint mounted in the gap between the first and second frames and mounted to the first and second frames, the joint having at least one axis of rotation about which the first frame is mounted to rotate relative to the second frame; and (d) means for linearly translating said at least one axis of rotation relative to the first frame and the second frame without causing substantial translation of the first frame relative to the second frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of assessing a human subject'"'"'s sensory and motor control, the method comprising:
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(a) placing the subject upon a first frame; (b) disposing a second frame beneath the first frame with a gap between the first and second frames; (c) mounting a joint to the first and second frames in the gap, the joint having at least one axis of rotation about which the first frame is mounted to rotate relative to the second frame; and (d) linearly translating said at least one axis of rotation relative to the first frame and the second frame without causing substantial translation of the first frame relative to the second frame. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification