Surgery – Truss – Pad
Patent
1991-07-05
1992-10-27
Hindenburg, Max
Surgery
Truss
Pad
340573, 482909, A61B 5103
Patent
active
051580896
ABSTRACT:
A monitoring device for posture improvement training, worn as a headband, provides audible feedback of sensed forward or backward deviation from ideal head inclination in the saggital plane. The monitor unit is captivated on an adjustable central strap running front-to-rear over the curvature of the crown of the head. The unit may be moved along the strap to enable initial leveling adjustment to level the unit while the subject's head is maintained in the ideal posture of neutral inclination. A level-sensor, specially mounted in the unit, remains switched in an OFF state as long as the subject's head inclination remains correct, however, whenever the head inclines in either direction in the saggital plane beyond a predetermined critical angle, e.g. 4 degrees, the sensor makes contact to an ON state, actuating a sound-emitting transducer powered by an on-board battery, to indicate the departure from correct posture. Then as soon as the head inclination is corrected within the set limits, the sound is discontinued. To filter out responses to sudden transient head movements, a time delay is introduced between the sensor and the sound transducer; a push switch on mounted on the unit permits the length of the time delay to be set to a BEGINNING value, e.g. 0.5 seconds, or an ADVANCED value, e.g. 0.25 seconds. Other features may include a sun visor, a "sight line" for visual leveling and facilities to accept optional weight inserts for adjusting the sensory effect.
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Swezey Richard
Swezey Robert L.
Hindenburg Max
McTaggart J. E.
Tucker Guy V.
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