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US 10,369,019 B2Granted
Prosthetic foot with enhanced stability and elastic energy return
AssigneeOssur Hf
InventorsArinbjorn Viggo Clausen, Bjarni Andresson, Vilhjalmur Freyr Jonsson, Christophe Lecomte
Life of this patent
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Abstract
A prosthetic foot comprises an attachment member and two or more flexible members. The attachment member can include a connector configured to connect the attachment member to a user or another prosthetic device. The two or more flexible members can be rotatably attached to the attachment member by rotatable joints such that the flexible members can both rotate and flex relative to the attachment member when the prosthetic foot contacts the ground.
Claims7
A prosthetic foot comprising:
- an attachment member disposed at an ankle position of the prosthetic foot, the attachment member comprising a connector configured to connect the attachment member to a user or another prosthetic device;
- a first flexible member having a proximal end and a distal end, the proximal end of the first flexible member coupled to an anterior portion of the attachment member by a rotatable connection;
- a second flexible member disposed below the first flexible member, the second flexible member having a proximal end and a distal end, the proximal end of the second flexible member located rearwardly of the proximal end of first flexible member when standing on a level surface and operatively coupled to a posterior portion of the attachment member;
- and a third flexible member disposed below second flexible member and extending between a proximal end and a distal end, the third flexible member configured to contact a support surface while the prosthetic foot is in use, wherein the proximal ends of the second and third flexible members define a gap that expands toward a rearward portion of the prosthetic foot, away from a toe region.
1 more element
Dependencies are inferred from the claim text.