Medical Patches TRIZ Cases

See how differential heating and pressure bond hydrophilic drug-loaded and hydrophobic electros

Blending gelling and non-gelling fibres lets a knitted wound dressing absorb exudate while staying intact for easy, fragment-free removal.

A primer-saturated carrier medium applies uniform primer without spraying, reducing fumes and enabling faster co-curing with adhesives.

Capillary absorbent layers and a uniform vacuum path collect surgical liquid quietly, prevent splashing, and stop spills from spreading underfoot.

Mechanical hook tape locks the protective fabric over buried pipe insulation, preventing loosening, water ingress, and corrosion.

A composite cured-in-place liner adds a hydrogen barrier to rehabilitate or convert pipelines without excavation and limit diffusion risk.

A fiber-resin liner with a hydrogen barrier layer enables trenchless pipeline repair while preventing diffusion for safe high-pressure transport.

A curved repair patch with a smaller radius than the counterbored hole reduces edge residual stress and helps prevent peeling on composite surfaces.

A pre-cured adhesive patch and pressure-sensitive tape restore abnormal composite structures to design strength without specialized repair equipment.

A layered transparency shell restores conductive continuity and optical function on damaged vehicle transparencies without full replacement.

A phthalate plasticizer primer boosts adhesion between KEE/PVC roof membranes and rubberized tape, improving strain resistance and water sealing.

Multilayer biodegradable polyurethane laminates use structural and foam layers to resist in vivo shrinkage while supporting tissue integration.

Pre-saturated patch plies and pressure-sensitive tape reinforce damaged cured composites quickly while avoiding specialized repair equipment.

Pre-soaked disinfectant and wound covering in one plaster streamline intramuscular injections while protecting the needle entry site.

Water-sensitive scrims surround an antimicrobial layer to deliver wound protection while avoiding tackiness and supporting bioabsorption.

Segmented film layers expose a corner-suitable layer for attachment while shielding the display edge and preserving coverage.

A segmented patch uses adhesive, adsorbing, and backing layers to improve fragrance consistency and shelf life.

A composite material reflects far infrared energy back to the body using carbon fibers and graphene.

A robotic system performs in-situ scanning, milling, and patch manufacturing for composite repairs.

Integrated primer-adhesive layer on fabric substrate enables field repair of flame-resistant textiles without specialized tools.

An elastic sheet and adhesive layer form a laminate patch that prevents bacterial infection by maintaining a tight seal on teat openings.

Bonding alternating elastic zones to a nonstretch layer creates regular ridges, solving irregular crease retention and high discrete bonding costs.

Self-stressing reinforcement induces compressive stress in the matrix via activators, reducing micro-cracks and extending lifespan.

A polylactic acid laminate film separates from a substrate via a water-soluble layer to prevent tissue adhesion without infection risks.

Replaces labor-intensive drilling with pre-fabricated composite inserts to enhance structural reliability while reducing repair time.

A laminate film combines an air-permeable polyethylene layer with a bi-component non-woven fabric to block viruses while maintaining breathability.

Segmented barrier tape with composite adhesive layers repairs membrane breaches to block radon and moisture penetration.

Porous pouch with absorbent polymer retains saliva, eliminating messy disposal and spill risks associated with traditional napkins.

A two-ply adhesive cover uses a pressurized flowable lifting agent to separate from patient skin.

Stacked layers with laterally extending exposed regions form a thickness gradient that blends the patch into the surrounding wall surface.

CNC-cut stitched borders replace manual cutting to eliminate edge curling and color mismatch in patch manufacturing.

A vulcanised thermoplastic elastomer film combines with a polypropylene-based polyolefin composition to create a composite structure.

Slits in the removal layer press fiber preforms to prevent meandering and restore composite strength.

Gear pump extrudes adhesive into final contour directly onto release paper, eliminating compression molding waste and reducing production costs.

Patterned projections on a medical dressing protection layer reduce contact area with the adhesive.

Thin film adhesive seams bond acoustic honeycomb plugs without altering impedance or adding weight.

A shingle patch uses a notched base member to slide under existing roofing layers for secure overlay installation.

Absorbent hydrophilic adhesive delays antimicrobial diffusion to prevent periwound maceration while maintaining sterile barrier integrity.

A self-adhesive membrane uses an embedded grid to trap air bubbles that promote water vapor diffusion through the pressure-sensitive adhesive layer.

A self-adhesive patch uses a thick adhesive layer laminated to fabric to bond securely to outdoor gear surfaces.

Segmented elastic strand cores and inelastic stripes resolve contradictions between production efficiency and hysteresis properties.

A multi-ply medical drape uses a release liner and carrier lift tab to separate plies, resolving cumbersome handling while maintaining a sterile field.

Multi-layer patch system applies solvent and heat to create uniform seals on plastic piping, eliminating excavation risks.

A laminated animatronic skin combines a thin stretchable polymer with shaped foam preforms to create durable, flexible coverings.

High molecular weight polyethylene in melt-blown and spunbonded layers maintains fiber fineness and barrier properties after electron beam irradiation.

Segmented layers shield thrombin from acidic cellulose denaturation, maintaining hemostatic activity and strength.

Adhesive lamination and coextrusion methods create impermeable polymer films for pharmaceutical packaging.

Resilient patch bodies conform to curved material guides via magnets, eliminating tool requirements and enabling quick installation across varying diameters.

An electrospun PCL-PEO non-woven patch resolves the contradiction between reliable skin protection and painless removal by optimizing adhesive parameters.

A preform patch uses a spacer fabric to create a sealed suction space that draws matrix material through a flow medium layer.

Superimposed collars on the masking film reduce cutting operations and manufacturing time.

A pre-formed silicone patch repairs damaged polymeric coatings on gas turbine components using vacuum pressure and internal heating.

A multi-layer patch system bonds plastic piping using a polymer adhesive and support film.