Artificial Legs TRIZ Cases

Sensors detect residual limb changes and drive panel movement to maintain secure fit without manual intervention.

Segmented liner pads resolve wet environment damage risks while maintaining comfort through interchangeable components.

Coupling system tilts supporting structure relative to sole while maintaining constant distance at the force introduction point.

An artificial leg motion assisting device estimates kinetic parameters to adjust mechanical impedance, reducing wearer discomfort during stair climbing.

A prosthetic ankle prosthesis stores energy in springs during the swing phase to assist plantarflexion.

Segmented composite laminas optimize force distribution and increase horizontal forces by 15% to reduce user fatigue.

Variable drag in a prosthetic limb reduces hip burden by adjusting torque at initial knee bend.

An elastomeric bumper absorbs kickback forces and vibrations, allowing the mounting bracket to replicate natural foot flex and energy return.

A multi-chamber vacuum pump system creates a secure attachment between a prosthetic socket and the residual limb.

Tensioning elastic members collapses the resilient body, enabling quick donning and doffing while maintaining a secure fit on artificial limbs.

Segmented C-shaped springs resolve vertical compliance limits in single-member designs, enabling natural plantar flexion control.

A unitary keel body integrates a flexible ankle portion to simulate anatomical motion without separate rigid components.

A foot prosthesis uses segmented filler pieces to increase flexural rigidity and alter contact processes between upper and lower parts.

A negative gauge pressure dynamic convection system transfers thermal energy from within an artificial limb to the ambient atmosphere through regulated cyclical airflow.

A hydraulic locking mechanism uses fluid pressure to constrain joint movement in one direction while allowing free motion in the opposite.

Adjustable joint axes in a compact ankle prosthesis resolve the trade-off between structural simplicity and terrain adaptability.

Segmenting the prosthetic into standardized components reduces manufacturing time while maintaining customization capability through modular configuration.

Segmented control system applies powered assistance during swing phase to correct motion errors and improve stability.

A prosthetic actuator uses a cantilevered leaf spring to transmit torque through elastic deformation in the plate thickness direction.

A transfemoral prosthetic system synchronizes knee and ankle movement using real-time sensor data to mimic natural gait patterns.

Rear pivot axis and internal bumper reduce unnatural gait on inclines by smoothing plantarflexion resistance.

A prosthesis lever mechanism adjusts the pivot joint axis position relative to the support part.

Magnetic sensing replaces bulky load cells to detect axial and torsional loads, resolving contradictions between measurement precision and device weight.

A hydraulic piston and cylinder assembly provides continuous damping resistance to ankle flexion in lower limb prostheses.