Orthosis

Details Orthosis Orthosis

1996-07-18

1998-12-15

Apley, Richard J.

Surgery: kinesitherapy

Kinesitherapy

Means for passive movement of disabled extremity to return...

602 16, 602 20, 602 21, 601 33, 482 45, A61H 102, A61F 500

Patent

active

058489797

ABSTRACT:
An orthosis is operable to vary the extent of supination or pronation of a hand connected with an arm of a patient. The orthosis includes a lower cuff which grips distal end portions of the ulna and radius in a lower portion of the arm of the patient. An upper cuff grips an upper portion of the arm of the patient. A drive assembly is operable to rotate the lower cuff and the distal end portions of the ulna and radius about an axis which extends through the wrist and elbow of the arm of the patient while the upper portion of the arm of the patient is held against movement by the upper cuff. The drive assembly includes a main gear which is connected with the lower cuff and a base of the orthosis. The lower cuff extends through a central opening in the main gear and is rotatable with the main gear about the axis which extends through the wrist and elbow of the patient. A second drive assembly may be provided to move sections of the base relative to each other to bend the elbow of the patient.

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