Artificial Legs TRIZ Cases

Integrating a pneumatic spring into the prosthetic vacuum pump eliminates shear forces on residual limbs while managing device complexity.

A prosthetic attachment strap uses a closed loop buckle and hook-and-loop fasteners to secure suction sleeves.

A multi-axis ankle joint prosthesis uses a spherical structure to replace traditional linear axes, enabling customizable angle adjustments for improved comfort.

An electric motor drives an axial shaft to pivot the prosthesis, reducing weight and energy expenditure while improving gait naturalness.

Solenoid actuation releases a ball and socket latch to divert overload forces, preventing bone fracture in osseointegrated prostheses.

Axial pin movement in a hydraulic valve bore manages fluid flow between channels to adjust prosthetic ankle angles dynamically.

Variable sleeve tension provides tactile feedback for tool pressure without expensive electronics, reducing manufacturing costs.

Variable hardness silicone cladding prevents trouser collapse and blocks sunlight heat transfer to the stump.

A multi-articulated link knee joint detects bending angles via a driven member position sensor.

A prosthetic coupling device connects components via asymmetric male and female members for secure alignment.