Microneedles TRIZ Cases

A combination microarray patch delivers pharmaceutical preparations through needle arrays while applying electrical pulses to the skin.

Segmented microinjectors bypass gastric degradation to increase oral bioavailability.

An implantable microneedle carrier holds liquid biological substances in an engraved bevel tip groove, preventing denaturation caused by drying processes.

Displaceable sections deploy microneedles into tissue to anchor catheters, eliminating strap tension and adhesive degradation.

Segmenting the needle into a multineedle array reduces operator fatigue and eliminates frequent cartridge changes during mesotherapy.

An inclined (1 1 1) crystallographic plane and slicing geometry create a sharp penetrating tip that balances height with structural robustness.

Conical projections paired with proximate openings prevent blade deflection and ensure uniform drug supply through the skin.

A separable microneedle array detaches from its substrate upon insertion to enable controlled drug release kinetics.

A wearable vaccination bracelet integrates microneedles and audio speakers to deliver intradermal doses while entertaining patients.

Segmented geometry fixes solid drug compositions on the shaft side surface, supporting large quantities without increasing overall volume.

A pH-responsive bilayer coating protects a cantilever actuator system within an ingestible capsule.

Insulating layers isolate conductive wires within hollow needles to resolve electrical interference during biofluid sampling.

A microneedle patch applicator uses a spring-loaded plunger to insert patches into skin.

A handheld device forms microneedles in tissue using a fluid reservoir and temperature control assembly for precise dimensional generation.

A customizable tattoo stamp uses a segmented needle array to deposit permanent multicolor ink instantly.

A transdermal patch regulator uses a roller mechanism to manage skin engagement, resolving dosing precision issues in conventional systems.

A microarray applicator uses housing ridges and plunger notches to engage components without springs.

A microneedle container uses a cover with specific abutment and facing sections to hold the base securely.

A microneedle array unit uses a deformable container portion to press needles against skin.

Microneedles create micro-scale pathways through the stratum corneum to deliver bioactive substances to the dermis, overcoming the skin barrier.

Segmented microneedle arrays use shorter secondary protrusions to limit skin penetration depth during transdermal delivery.

A cylindrical microneedle wireless capsule delivers biopharmaceuticals via magnetic propulsion and remote control.

Polylactic acid microneedles resist strength loss during sterilization to ensure reliable skin piercing and efficient drug migration.

A composite mold element uses a base and auxiliary layer to form continuous openings.

A microneedle applicator integrates a counter assembly to track usage cycles alongside a force-dampening mechanism for controlled penetration depth.

A transdermal microneedle patch uses ultrasonic vibration to separate the poly-lactic acid needle tip from the hyaluronic acid base.

Segmented application aid connects firmly to oral thin film, preventing microneedle damage and accidental swallowing during user placement.

An adjustable microneedle device uses pressure-driven extension to reach posterior eye layers, eliminating complex sensors and reducing retinal damage risk.

A biodegradable polymeric carrier embeds into skin to release encapsulated drugs at controlled rates.

Thin blade portions with convex distal ends cut skin reliably, preventing plastic deformation that causes puncture failure.

A piezoelectrically actuated micropump delivers fluid through a head-mounted support frame.

Segmenting the base plate along a guide line allows the second region to bend or cut, verifying usage and preventing reuse without adding complexity.

Open substrate channels renew air around microneedles, preventing bacterial growth and skin irritation during continuous monitoring.

Air-permeable film compresses needle forming solution into recesses, allowing vaporized liquid components to escape while minimizing air bubble mingling.

Star-shaped microneedles with radial protrusions increase surface area for transdermal drug delivery.

An ultra-sharp multi-lumen microneedle enables simultaneous injection and aspiration of fluids through the inner ear membrane.

Independent feeding, filling, and discharging cavities maintain continuous negative pressure to resolve batch production efficiency bottlenecks.

Mold step portion fixes polymer solution via surface tension, preventing repulsion and ensuring reliable film formation.

A multilayer polymer microneedle array combines polymethylmethacrylate and polycarbonate layers to form sharp tips via hot embossing.

Phase transition from frozen solid to liquid preserves protein viability during transdermal delivery.

Hyaluronic acid expands on skin contact to create delivery pathways, resolving poor absorption and delayed onset of hydrophobic cannabinoids.

Segmenting the reservoir and control unit resolves complexity while enabling precise timed delivery via hollow microneedles.

Stacked pallets with circumferential protrusions hold microneedle patches, enabling direct washing and medicament application without removal.

Segmented plungers deliver discrete impacts to reduce patient discomfort while maintaining consistent drug delivery depth.

A microneedle test device uses a punch to accelerate the array into a skin model for standardized application simulation.

A selective transfer mechanism moves microneedles between retracted and protruded positions within an outer cylinder housing.

An adjustable pressure body pivots relative to a handle using a restoring mechanism to ensure uniform microneedle insertion.