Prosthesis TRIZ Cases

A vascular closure device uses an automated deployment mechanism with elastic members and release tabs to position the plug precisely.

Integrating a high durometer tendon into elastomeric liners enhances joint flexion while eliminating material bunching behind the knee.

Radially outward-moving reverse-collet fingers engage set screws, preventing spring deformation under excessive torque in orthopedic surgery.

Nested elastic holder seals electrode recess in prosthesis inner shaft, blocking sweat penetration while maintaining vacuum hold.

A depth gauge uses ultrasonic waves to estimate fastener-hole depth before drilling.

A self-expandable surgical implant uses a resilient ring to stabilize the mesh during diaphragmatic repair.

Supercritical carbon dioxide injection maintains uniform foaming and dimensional accuracy in foamed microcellular silicone resin products.

A bio-resorbable composite scaffold uses lamellar solids to selectively adsorb active ingredients before implantation.

Segmented biodegradable glass fibers direct angiogenesis to blood-deficient sites while maintaining structural integrity during degradation.

Telescopic shell segments adjust socket length and volume to resolve discomfort from shape fluctuations in residual limbs.

Curvature prevents clogging and compaction while increasing material capacity without extending the plunger-to-needle distance.

Electrostatic interactions between collagen and hyaluronic acid create mechanically stable microgels without toxic chemical crosslinking agents.

Segmented carbon masts move independently within silicone layers, adapting to volume changes while maintaining structural strength.

A walking canister system captures residual limb geometry during motion using vacuum suction and wicking materials.

A surgical striking assembly features a movable guard attached to the frame that shifts between retracted and extended positions.

Segmented anterior and posterior materials with different elastic properties prevent buckling during knee flexion while maintaining smooth skin contact.

Longitudinal slit in tubular body allows automatic folding and deployment of flexible prosthesis, reducing tissue damage risk during minimally invasive surgery.

A composite extracellular matrix biomaterial integrates spleen and lung tissue extracts to deliver tailored structural support and bioactive cues.

Plate assembly maintains graft shape post-processing to enable precise surgical suturing.

A surgical drill guide with a keyway interface secures axial alignment of fasteners in orthopedic plates, eliminating cumbersome screwing operations.

An orthopaedic device adjusts its inner periphery using an actuator and sensor to detect mounting forces for precise fit adaptation.

A surgical bone holding forceps integrates a parallel drilling guide shaft with a friction-based locking mechanism for precise clamping.

A PEEK carbon fiber composite bone fusion plate stabilizes fractures using layered fibers oriented at varying angles.

Self-expanding hernia patch uses a releasable hoisting frame to resolve delivery constraints through narrow cannulas.

A prosthetic socket attachment mechanism uses a belt guided over rollers to engage a liner.

Rotatable targeting arm aligns with transverse apertures to eliminate assembly errors during hip fracture reduction.