Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Leg – Foot
Patent
1991-11-08
1992-10-20
Frinks, Ronald
Prosthesis (i.e., artificial body members), parts thereof, or ai
Leg
Foot
623 49, 623 53, A61F 266
Patent
active
051566320
ABSTRACT:
A prosthetic foot includes a prosthesis body having a toe region disposed in a front part of the prosthetic foot, and a one-piece insert which is provided in the prosthesis body and which absorbs and transmits stresses imposed on the prosthesis body. The insert enables at least a plantar and dorsal deflection as well as axial compression of the prosthesis body, and has an approximately S-shaped design in the longitudinal section of the prosthetic foot. The insert includes a top horizontal section which forms a top edge of the prosthetic foot, and a bottom horizontal section which is of an extended construction compared with the top section and which has a free end which extends into the toe region of the prosthesis body, so that a high elasticity and a high energy storage capacity of the front part of the prosthetic foot are achieved. A front inclined section extends at an obtuse angle from the top section to form a rigid angular element. A central section functions as a leaf spring and has a front end which is connected to a lower end of the angular element and has a rear end. An approximately semi-circular rear connecting section is connected to the bottom section and to the rear end of the central section.
REFERENCES:
patent: 2556525 (1951-06-01), Drennon
patent: 3335428 (1967-08-01), Gajdos
patent: 5062859 (1991-11-01), Naeder
patent: 5064438 (1991-11-01), Naeder
"Development and Preliminary Evaluation of the VA Seattle Foot" by E. M. Burgess et al, Journal of Rehabilitation Research and Development, vol. 22, No. 3, BRP10-42, pp. 75-84.
Frinks Ronald
Otto Bock Orthopaedische Industrie Besitz- und Verwaltungs-Komma
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