Orthopedic sandal

Details Orthopedic sandal Orthopedic sandal

1978-09-08

1981-04-28

Michell, Robert W.

Surgery

Truss

Perineal

128581, 128 25B, A61F 500

Patent

active

042639026

ABSTRACT:
An orthopedic sandal for correction of hammer-toes and X-toe (Halux Valgus) being a dual lever arm arrangement pivotable on a horizontal axis transverse to the sole. A pressure element for pressing the toes downward is on one arm and the other arm is fastened to the rearward portion of the foot so that as the foot is lifted, the pressure element is pressed downwardly on the hammer-toes.
Additionally, several mechanisms for correcting X-toe can operate in conjunction with the lever arm arrangement. A strap loop can be pulled by the movement of the pressure element. A two-chamber hydraulic pneumatic system actuated by the pressure element pressing the hammer-toes can push on the X-toe. An elastic resilient member can push the X-toe. A fourth mechanical mechanism using a nut-and-threaded shaft to turn a paddle pushing the X-toe can be actuated by foot pressure on a flexible pad in the sole. The pressure on the hammer-toes can be adjusted depending on the fulcrum point of the lever arm arrangement. The pressure on the X-toe can be arranged to be continuous with augmentation whenever the lever arm arrangement is operated.

REFERENCES:
patent: 1055810 (1913-03-01), Scholl
patent: 1730466 (1929-10-01), Mallott
patent: 1996614 (1935-04-01), Davis
patent: 2153968 (1939-04-01), Loufbahn
patent: 2187920 (1940-01-01), Triplett
patent: 2265853 (1941-12-01), Nussbaum
patent: 2948972 (1960-08-01), Anderson
patent: 3299893 (1967-01-01), Collina
patent: 3308829 (1967-03-01), Edwards

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