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US 12,702,571 B2Granted
Prosthetic foot
AssigneeOttobock SE & Co. Kgaa
InventorsJeff Friesen, Nathan A. Williams, Justin R. Smith, Kelli D. Oborn
Life of this patent
Estimating the term…
Abstract
A prosthetic foot is provided with a forefoot spring, a heel spring and a base spring. The base spring is connected to the heel spring and to the forefoot spring. The base spring has receiving means for the forefoot spring and the heel spring, into which receiving means the heel spring and the forefoot spring can be inserted. The heel spring is connected to the forefoot spring via a coupling element, and the coupling element extends forwards along the forefoot spring at least via one portion thereof.
Claims20
A prosthetic foot comprising:
- a forefoot spring,
- a heel spring,
- a base spring having a toe end and a heel end, wherein the base spring is attached to or attachable to the forefoot spring and the heel spring, and
- at least one pocket formed on or connected to the base spring towards the toe end of the base spring, wherein the at least one pocket is configured as a closed design having a closed rear side, a closed top side, a closed bottom side, a closed left side, a closed right side, and an insertion opening at a front side oriented towards the heel end of the base spring, and
- wherein the forefoot spring has a toe end which is insertable into the insertion opening of the at least one pocket to attach the forefoot spring to the base spring, and wherein the closed design of the at least one pocket covers the toe end of the forefoot spring when inserted into the insertion opening, and
- wherein the forefoot spring and the heel spring are tensioned against each other and hold the base spring under tensile stress when the toe end of the forefoot spring is inserted into the insertion opening.
3 more elements
Dependencies are inferred from the claim text.