Man-machine interface for a joint measurement system
First Claim
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1. A man-machine interface comprising:
- glove means, sized to fit on a hand, for carrying a plurality of sensors;
a plurality of single axis sensors each having a first end and a second end, each single axis sensor carrying two electrical strain gauge means oriented about each single axis sensor such that each said single axis sensor is responsive to flex in one direction;
a plurality of double axis sensors each having a first end and a second end, each double axis sensor carrying four electrical strain gauge means oriented about each double axis sensor such that each double axis sensor is responsive to flex in two directions;
a plurality of first mounting means for rigidly mounting said first ends of said double axis sensors to said glove means;
a plurality of second mounting means rigidly attached to said glove means;
a plurality of sensor retainer means for slidably mounting said second ends of said double axis sensors to said plurality of second mounting means, said plurality of first and second mounting means positioned on said glove means such that each double axis sensor is positioned over the joint between the metacarpal bone and the proximal phalanx bone of each finger of the hand;
a plurality of third mounting means for rigidly connecting said first ends of said single axis sensors to said glove means; and
wherein said plurality of second mounting means slidably receives said second ends of said single axis sensors, said plurality of second and third mounting means positioned on said glove means such that each single axis sensor is positioned over the joint between the proximal phalanx bone and the middle phalanx bone of each finger of the hand.
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Abstract
A man-machine interface comprises a sensor having first and second ends. The sensor carriers four transducers oriented therearound such that the sensor is responsive to flex in two directions. An affixing mechanism, such as a glove or cloth strap, is provided for affixing the man-machine interface to a patient'"'"'s body. A first mounting mechanism is provided for rigidly mounting the first end of the sensor to the affixing mechanism. A second mounting mechanism is provided for slidably mounting a second end of the sensor to the affixing mechanism. In that manner, flex in two directions can be sensed without adding any tensile forces to the sensor as a result of the joint being flexed.
126 Citations
14 Claims
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1. A man-machine interface comprising:
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glove means, sized to fit on a hand, for carrying a plurality of sensors; a plurality of single axis sensors each having a first end and a second end, each single axis sensor carrying two electrical strain gauge means oriented about each single axis sensor such that each said single axis sensor is responsive to flex in one direction; a plurality of double axis sensors each having a first end and a second end, each double axis sensor carrying four electrical strain gauge means oriented about each double axis sensor such that each double axis sensor is responsive to flex in two directions; a plurality of first mounting means for rigidly mounting said first ends of said double axis sensors to said glove means; a plurality of second mounting means rigidly attached to said glove means; a plurality of sensor retainer means for slidably mounting said second ends of said double axis sensors to said plurality of second mounting means, said plurality of first and second mounting means positioned on said glove means such that each double axis sensor is positioned over the joint between the metacarpal bone and the proximal phalanx bone of each finger of the hand; a plurality of third mounting means for rigidly connecting said first ends of said single axis sensors to said glove means; and wherein said plurality of second mounting means slidably receives said second ends of said single axis sensors, said plurality of second and third mounting means positioned on said glove means such that each single axis sensor is positioned over the joint between the proximal phalanx bone and the middle phalanx bone of each finger of the hand. - View Dependent Claims (2)
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3. A man-machine interface, comprising:
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a sensor having first and second ends, said sensor carrying four electrical strain gauge means oriented about said sensor such that said sensor is responsive to flex in two directions; affixing means for affixing said man-machine interface to a body; first mounting means for rigidly mounting said first end of said sensor to said affixing means; second mounting means rigidly attached to said affixing means; and sensor retainer means for slidably mounting said second end of said sensor to said second mounting means. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification