Items related to A New and Important Invention (Classic Reprint)

A New and Important Invention (Classic Reprint) - Softcover

Douglas Bly

 
9781397262028: A New and Important Invention (Classic Reprint)

This specific ISBN edition is currently not available.

Synopsis

Revolutionary artificial leg with natural motion and quiet comfort

Discover a prosthetic leg that aims to mimic the natural ankle and knee in everyday work and walking. This design emphasizes smooth, adaptable motion, real-feel strength, and a discreet appearance, helping wearers move with confidence on varied surfaces.

This edition describes a leg built without metal joints, using a ball-and-socket ankle formed from ivory and vulcanized rubber, and rubber springs to simulate muscle action. The result is a lightweight limb that flexes in all directions, adapts to hills, steps, and uneven ground, and reduces the noise and maintenance common with older, metallic joints. The knee is controlled by springs and cords to protect against jarring, while the below-knee version uses a joined strap system that follows the knee’s contour for a clean look when sitting.
What you’ll experience
  • Natural movement that adapts to inclines, stones, or holes without losing balance.
  • Simple adjustment of spring tension to fit individual gait and activity.
  • A lighter, quieter leg free of oil and regular maintenance required by metal joints.
  • A life-like appearance with skin-colored enamel and careful shaping to match the natural leg.
  • Details and takeaways you can expect from this leg design
  • The ankle joint allows diagonal flexion and lateral motion for varied surfaces
  • Rubber springs imitate natural muscles for smooth, buoyant walking
  • A knee mechanism that limits harsh impact and avoids constant re-bushing
  • A custom fit process and a structure designed to reduce visible parts and improve comfort
Ideal for readers of engineering history and medical devices, this account explains how nature guided practical invention, from concept to factory to user. If you’re curious about early prosthetic innovation, this provides a clear look at a notable approach and its real-world reception.

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