Surgery: kinesitherapy – Kinesitherapy – Means for passive movement of disabled extremity to return...
Patent
1994-06-07
1997-06-10
Hafer, Robert A.
Surgery: kinesitherapy
Kinesitherapy
Means for passive movement of disabled extremity to return...
601148, 2972846, A61H 100
Patent
active
056370768
ABSTRACT:
Apparatus for cycling the lower back of a person through a substantial range of lordosis. The apparatus includes a substantially static structure adjacent to the back of a person and a force applying apparatus disposed between the static structure and the back of the person. The force applying apparatus includes a back engaging surface cyclically movable to increase and decrease the distance between the static structure and the back engaging surface so as to cycle the lower back through the range of lordosis. A transducer has an output responsive to the force between the back engaging surface and the lower back and the output of the transducer is utilized by the force applying apparatus to control the force applied to the back. Timing circuitry provides a force increasing period to increase the force applied to the back up to a preselected maximum and a force decreasing period to decrease the force on the back. A period of substantially constant force may be provided between the force increasing period and the force decreasing period.
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Hazard Rowland G.
Reinecke Steven
Ergomedics, Inc.
Hafer Robert A.
Hanlon Brian E.
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