Universal-orthese

Surgery – Truss – Pad

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3 121, 128 77, A61F 100

Patent

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041808703

ABSTRACT:
An orthesis has a lever system having fulcrum simulating the patient's shoulder joint. The system includes a series of levers facing the patient's trunk to which is applied a force corresponding to that which is represented by the weight of the arm. The force is applied on the lever system at a point which is variable in response to the movement of the arm so that it approximately lies on the line between the center of gravity of the arm and the fulcrum joint.

REFERENCES:
patent: 2535489 (1950-12-01), Edwards
patent: 3449769 (1969-07-01), Mizen
patent: 4078670 (1978-03-01), Francois et al.
"A Progress Report on a Programmed Orthotic Arm", Bahniuk, Med. Electron Biol. Engng., vol. 1, No. 4, 12/63, pp. 509-517.
"Hendon Pneumatic Power Units & Controls for Prosthesis & Splints", Wilson, Journal of Bone & Joint Surgery, vol. 47B, No. 3, 8/65, pp. 435-441.
"Development of Externally Powered Upper Extremity Orthotic Systems", Engen, Journal of Bone & Joint Surgery, vol. 47B, No. 3, 8/65, pp. 465-468.
"A System of Powered Prosthesis for Severe Bilateral Upper Limb Deficiency", Simpson, Journal of Bone & Joint Surgery, vol. 47B, No. 3, 8/65, pp. 442-447.

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