Hybrid orthosis

Details Hybrid orthosis Hybrid orthosis

1988-08-11

1992-06-16

Shay, David M.

Surgery

Truss

Pad

128421, 602 2, 602 16, 602 23, A61N 132, A61F 500

Patent

active

051217473

ABSTRACT:
A functional electrical stimulation orthosis for restoring locomotion in paraplegics is described. The orthosis has knee locks for each leg to enforce knee extension in a standing position, and a sensor located on each leg for sensing knee flexion. A plurality of electrodes are disposed on each leg to stimulate extension and flexion movements under the control of the patient. The orthosis can be used with crutches and stimulation of flexion and extension movement can be effected manually or automatically using an open-loop or closed-loop system. Various embodiments and modifications of the invention are disclosed. The orthosis can also be used in combination with other orthosis such as a foot ankle orthosis to provide a hybrid orthosis.

REFERENCES:
patent: 3083712 (1963-04-01), Keegan, Jr.
patent: 4499900 (1985-02-01), Petrofsky et al.
patent: 4558704 (1985-12-01), Petrofsky
patent: 4569352 (1986-02-01), Petrofsky et al.
patent: 4697808 (1987-10-01), Larson et al.
patent: 4711242 (1987-12-01), Petrofsky et al.
patent: 4760850 (1988-08-01), Phillips et al.
"Experimental Correction of Footdrop by Electrical Stimulation of the Peronial Nerve" by Waters et al, J. of Bone & Joint Surg.; vol. 57A No. 8; Dec., 1975; pp. 1047-1054.
"Computer Synthesized Walking . . . " by Petrofsky et al; J of Neuro. & Orth Med & Surg. vol. 6, No. 3 Oct. 1985 pp. 209, & 219-230.
"Computer Controlled Walking . . . " by Petrofsky et al; J of Neuro. & Orth. Surg. vol. 4 No. 2 Jul. 1983 pp. 153-164.
Jun. 1969, J. Saltiel, A One-Piece Laminated Knee Locking Short Leg Brace, Orthotics & Prothetics, vol. 23:7, pp. 68-75.
Winter 83-84, E. Harrington et al., Use of Anterior Floor Reaction Orthosis in Patients with Cerebral Palsy, Orthotics & Prothetics, vol. 37:4, pp. 34-42.
1986, Yang et al., Floor Reaction Orthosis: Clinical Experience, Orthosis & Prothetics, vol. 40:1, pp. 33-37.

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