3D printed prosthetic fin lets below-knee amputees swim with freedom and efficiency - Yanko Design
Briefly

3D printed prosthetic fin lets below-knee amputees swim with freedom and efficiency - Yanko Design
"A number of different types of prosthetic legs are designed to help below-knee amputees run, whether recreationally or professionally. High-performance running prosthetics, often called blades, have been used by runners like the infamous Oscar Pistorius to shatter numerous records. Now, a similar level of freedom and efficiency seems to be headed for the waters, thanks to an advanced prosthetic concept from Essesi Design Studio."
"Essesi Design Studio has developed Nimble, a concept modular 3D-printed prosthetic fin, to help below-knee amputees swim with greater freedom, comfort, and technological support, making the experience both easier and more efficient for the user. The attachable prosthetic would replace the foot and the lower leg with the Nimble, comprising a carbon fiber frame and the flexible lattice structure in the main body made from rubber material for its suppleness."
Nimble is a modular, 3D-printed prosthetic fin that replaces the foot and lower leg for below-knee amputees to improve swimming performance. The device combines a lightweight carbon-fiber outer shell with a flexible lattice main body printed in rubber for suppleness. Plastic components with rotatable locks join the shell and lattice and secure the fin to the user's upper limb. The rubber lattice compresses on a downward kick to store energy and snaps back to generate thrust, reducing stress on the residual limb while increasing propulsion. The design focuses on comfort, robustness, and greater freedom and efficiency in the water.
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