Foot prosthesis with resilient multi-axial ankle
AssigneeOssur Hf
InventorsChristophe Guy Lecomte, Hjordis Thorhallsdottir, Heidrun Gigja Ragnarsdottir, Arinbjorn Viggo Clausen
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AssigneeOssur Hf
InventorsChristophe Guy Lecomte, Hjordis Thorhallsdottir, Heidrun Gigja Ragnarsdottir, Arinbjorn Viggo Clausen
Estimating the term…
The present foot prosthesis includes various structural features that provide the foot with advantageous rollover properties. In certain embodiments, the foot guides rollover toward the medial side. For example, an asymmetrical upper element and a correspondingly shaped resilient ankle member support more of the wearer's weight on the lateral side as the foot rolls over. In another embodiment, stiffeners added to the resilient ankle member increase the stiffness on the lateral side relative to the medial side. In certain other embodiments, the foot provides progressively increasing support from mid stance through toe off. For example, a gap between the resilient ankle member and the lower element closes during the later portion of the wearer's gait. The closing gap increases a contact area between the resilient ankle member and the lower element, providing progressively increasing support. In another embodiment, the foot includes a gap between a lower front edge of an attachment adapter and the upper element. The gap may be filled with a resilient material.
A prosthetic foot, comprising:
A prosthetic foot, comprising:
A prosthetic foot, comprising:
In combination, a first elongate, plate-like element adapted for use in a prosthetic foot and an attachment adapter operatively connected to and in contact with an upper surface of the first elongate, plate-like element, wherein a gap is formed by a lower front edge surface of the adapter and the upper surface and the gap contains a resilient material configured to compress between the lower front edge of the adapter and the upper surface, wherein the resilient material does not substantially extend from the gap, the combination further comprising a second elongate, plate-like element and a resilient ankle member positioned between the two elements, wherein the resilient ankle member extends from a front portion of the first elongate, plate-like element to a back portion of the first elongate, plate-like element, wherein the front portion is closer to a toe end of the prosthetic foot than the back portion is to the toe end,
In combination, an elongate, plate-like element adapted for use in a prosthetic foot and an attachment adapter operatively connected to and in contact with an upper surface of the elongate, plate-like element, wherein a gap is formed by a lower front edge surface of the adapter and the upper surface and the gap contains a resilient material configured to compress between the lower front edge of the adapter and the upper surface, wherein the adapter includes a through-bore in a front portion thereof, wherein at least a lower portion of the through-bore contains a resilient material, wherein the resilient material comprises polyurethane, wherein the resilient material does not substantially extend from the gap.
In combination, an elongate, plate-like element adapted for use in a prosthetic foot and an attachment adapter operatively connected to and in contact with an upper surface of the elongate, plate-like element, wherein a gap is formed by a lower front edge surface of the adapter and the upper surface and the gap contains a resilient material configured to compress between the lower front edge of the adapter and the upper surface, wherein the adapter includes a through-bore in a front portion thereof,
A method of constructing a prosthetic foot, the method comprising the steps of:
A prosthetic foot, comprising:
A method of constructing a prosthetic foot having a lower element having a front end at a toe end of the prosthetic foot, and a back end at a heel end of the prosthetic foot, and an upper element having a front end and a back end, wherein the front end of the upper element is closer to the toe end than the back end of the upper element is to the toe end, wherein the back end of the upper element is closer to the heel end than the front end of the upper element is to the heel end, the method comprising the steps of:
A prosthetic foot, comprising:
Dependencies are inferred from the claim text.