US 11,730,610 B2
Artificial foot
Jannis Breuninger, Grossbettlingen (DE); Franziska Glas, Munich (DE); Bence Rochlitz, Munich (DE); Carolin Taubmann, Neuhaus (DE); and Clemens Rieth, Boeblingen (DE)
Assigned to MECURIS GMBH, Munich (DE)
Appl. No. 17/54,374
Filed by MECURIS GMBH, Munich (DE)
PCT Filed May 8, 2019, PCT No. PCT/EP2019/061838
§ 371(c)(1), (2) Date Nov. 10, 2020,
PCT Pub. No. WO2019/219482, PCT Pub. Date Nov. 21, 2019.
Claims priority of application No. 20 2018 102 687.9 (DE), filed on May 14, 2018.
Prior Publication US 2021/0369473 A1, Dec. 2, 2021
Int. Cl. A61F 2/66 (2006.01)
CPC A61F 2/66 (2013.01) [A61F 2002/6664 (2013.01); A61F 2002/6685 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A prosthetic foot, comprising:
a base body having a main spring element, an upper spring element, a heel spring element, and a front spring element,
wherein the base body is formed in one piece,
the main spring element having a lower surface, the heel spring element having an upper surface and a lower surface, the lower surface of the heel spring element for contacting an external ground surface,
a stop disposed on a distal end of the main spring element proximate the lower surface thereof, the stop having a lower surface proximate the lower surface of the main spring element, and
the upper surface of the heel spring element including a heel stop surface on a posterior end thereof and the lower surface of the stop comprising a main stop surface, the main and heel stop surfaces having conforming surfaces when brought into contact with each other,
wherein the main and heel stop surfaces are operable to move towards each other until they come into contact when walking, the distal end of the heel spring element flexing more than an end proximate a mid-portion of the base body.