Prosthesis TRIZ Cases

Hierarchical microelectrodes create localized fields that boost reversible tissue adhesion while avoiding frictional or abrasive surface damage.

Localized microscale electric fields and Wenzel-Cassie interfaces enable strong reversible implant adhesion without tissue electroporation or abrasion.

Hierarchical microstructures and localized electric fields improve implant adhesion while avoiding electroporation, electrofusion, and frictional tissue damage.

A layered silk fibroin and hyaluronic acid hydrogel improves wound healing while controlling gel formation and local active-agent delivery.

A GelMA-ECM-collagen scaffold loaded with Gli1+ MSCs regenerates cranial sutures to prevent resynostosis and normalize intracranial pressure.

Flexible leaflets around the mesh opening let the esophagus dilate during peristalsis while resisting upward sliding to reduce hiatal hernia recurrence.

A magnetic distal locking liner replaces strap threading, making prosthetic donning easier while keeping attachment secure.

A switchable motor supply lets an orthotic actuator deliver high starting torque and higher speed with a smaller, lighter energy store.

A liquid anti-ingrowth coating cures partway through surgical mesh, blocking adhesion on one side while preserving tissue integration on the other.

Patient-specific body simulation predicts orthotic fit and load interactions before setup, helping reduce discomfort and harmful compensatory postures.

A threaded rod and adapter unit cut friction and manual effort when pressing larger bone cement volumes from a cartridge.

Hydrophilic PEG and PHEMA networks create stable sensor biosurfaces that improve biomolecule anchoring for sensitive analyte detection.

A deflection element lets the belt rest on a contact surface instead of threading through eyelets, enabling one-handed orthopaedic fastening.

Prestretched liner regions limit distal axial stretch to reduce pistoning and milking while preserving radial conformability and comfort.

A lattice elastomer liner moves air and moisture through apertures to reduce heat buildup, skin irritation, and fit instability.

Complementary serrations create a self-locking orthotic interface that transfers load to the forearm while staying modular and easy to release.

Disposable hydrogel compression with a piston, receptacle, and flask cuts sterilization time, contamination risk, and graft damage.

A nucleic acid and chitosan-derivative composition improves tissue repair stability and biocompatibility without toxic crosslinking agents.

Interconnected pores in a resorbable collagen scaffold improve tissue infiltration, support wound healing, and allow visual monitoring.

Flexible starlock leaflets let the esophagus dilate during peristalsis while resisting upward sliding that can trigger hiatal hernia recurrence.

Bioorthogonal Diels-Alder crosslinking builds an ECM-like hydrogel with tunable stiffness, controlled biodegradation, and low cytotoxicity.

A pre-molded parastomal mesh uses a raised center and bowel clearance channel to lower recurrence while avoiding obstruction.

A single anatomic mesh combines abdominal and groin coverage to reinforce large hernia defects without using multiple separate meshes.

Cost-effective MA-PMCA-PEG and GEL-MEA cross-linking forms stable biodegradable 3D hydrogel scaffolds with tunable mechanics and anti-viral properties.

A self-propagating polymerization front rapidly forms COD-DCPD elastomers while tuning glass transition temperature and modulus.

A molded 3D mesh with toroidal, cylindrical, and spherical surfaces improves groin fit, fixation stability, and hernia coverage.

Dry-heated thermoplastic sockets are formed directly on the residual limb to cut fabrication time while improving fit, comfort, and adjustability.

Porous inner liner patterns and openings improve airflow and moisture drainage while maintaining secure prosthetic attachment.

Elastomeric outer-surface regions raise liner-to-socket friction to limit rotation, improving prosthetic stability without complex suspension.

A layered stump cover combines friction control, moisture absorption, and pressure distribution to reduce abrasions, humidity, and all-day prosthesis discomfort.

A single central marking shows patch face, center, and longitudinal direction at a glance, reducing repositioning during laparoscopic hernia repair.

A collagen matrix with higher-modulus regions preserves volume and compression resistance while supporting cellular ingrowth and tissue regeneration.

A solvent and anti-solvent route forms resorbable glass fiber polymer implants without high-temperature degradation, preserving strength.

Discrete vent elements move air and moisture through a load-bearing prosthetic socket wall to reduce heat, sweat buildup, and friction injuries.

Brush polymer networks with oxazolines improve lens wettability, water content, and antifouling while preserving oxygen permeability.

Tensioned socket spines and inserts adapt to residual limb volume changes, improving pressure distribution and reducing pain and tissue breakdown.

Virtual body modeling and interaction simulation optimize orthopaedic fitting before use, reducing adverse effects and improving comfort.

A preformed channel and inner adhesion-resistant barrier isolate the bowel, support tissue ingrowth, and avoid compression in parastomal repair.

A preformed 3D mesh matches the abdominal wall and psoas contours to avoid folds, ease laparoscopic placement, and lower recurrence risk.

Discretely deposited elastomer filaments create vent paths that release moisture and heat while preserving cushioning, fit, and strength.

Embedding tissue segments in an alginate-hyaluronate hydrogel limits dehydration and contamination while preserving viability during transport and storage.

A segmented inner mold and bored outer shell enable controlled drainage during rotation, producing uniform, stable vascular constructs.

Independently attached tissue grips let hernia mesh self-anchor in tissue, reducing sutures or staples while maintaining implant position.

A guided orthotic strap shifts between extended and shortened positions to prevent dangling, reduce entanglement, and keep fastening accessible.

Zoned flexibility in a 3D-printed prosthetic shell reproduces limb hardness variation for a more natural feel, appearance, and low weight.

A disposable piston, receptacle, and flask setup compresses hydrogels in sterile conditions, cutting contamination, sterilization time, and tissue damage.

Textured bonding lets prosthetic liners add foam pads or bladders without molding damage, while internal channels wick moisture for comfort.

Pneumatic recesses switch adhesive regions between contact and non-contact states, making orthopedic fitting, removal, and repositioning easier.

A lattice-backed prosthetic liner transfers air and moisture outward while maintaining cushioning, custom fit, and fewer pressure points.

A radially outward sealing lip forms a reduced-pressure cavity to secure the socket and prevent liner slipping during movement.

A universal socket cavity lets prosthetic users switch between a mechanical lock and vacuum pump without rebuilding the socket.

Lyopreserving tissue forms with sugar and polyphenol protectants to maintain viable endogenous cells.

Inflatable bladder inside prosthetic socket adjusts fit pressure through pump actuation, eliminating frequent sock ply changes.