Microneedles TRIZ Cases

Microneedles harvest energy from myocardial cells, enabling a leadless pacemaker that avoids battery replacement surgeries and lead-related risks.

Sequential capacitor switching captures nano-coulomb charges from millivolt sources, enabling self-powered electronics and implants.

Laser-ablated cross-over molds form uniform hollow microneedles without cleanrooms, cutting fabrication cost and time for drug delivery.

Contactless laser opening after protrusion molding helps hollow microneedles avoid burrs and shape distortion while improving skin delivery stability.

Wire bonding forms solid microneedles with controlled break points and adjacent microfluidic outlets for scalable, low-trauma drug delivery.

Clamped sheet wire cutting enables batch-made high-aspect-ratio metal microneedles with auxiliary insertion support to prevent buckling in skin.

Wire cutting with clamped metal sheets forms precise microneedle arrays at lower cost, improving batch production and transdermal delivery safety.

A two-step molding and laser process forms off-center hollow microneedle openings that avoid burrs and improve skin piercing stability.

Microneedle arrays place allergen coatings into the cutis to improve food allergy desensitization while reducing adverse reactions.

Inclined fixing surfaces secure skin stimulator needles without chemical curing, improving fixation stability, safety, and manufacturing speed.

A silicon microneedle uses a sharp tip and widening shaft geometry to penetrate skin cleanly while reducing breakage and tissue trauma.

Slits, an ink receiving groove, and a return port hold and recycle ink to reduce dripping, leakage, pollution, and cross-infection.

A force-feedback indicator helps users confirm proper microneedle insertion without complex applicators, reducing contamination risk.

Dual-size pores promote vascularization and oxygen diffusion while blocking immune cells, helping implanted therapeutic cells stay viable.

Stacked comb partition plates guide hard-soft microneedle arrays for precise implantation, low tissue damage, and stable neural signals.

A swelling gel film drives a mucoadhesive layer onto tissue, improving residence time and controlled active agent delivery without invasive applicators.

Processor-controlled pump cycles adjust microneedle delivery to skin softness, attachment evenness, and leak detection for safer dosing.

Sequential multi-component filling in tapered mold receptacles enables high-volume microneedle arrays with consistent pharmaceutical quality.

Microneedle arrays place allergen in the cutis to reach dendritic cells, improving desensitization while reducing adverse events.

Microscale puncturing elements create rapid, strong anchoring on wet tissue, avoiding weak chemical adhesion and labor-intensive suturing.

An osmotic piston and valve module deliver consistent fixed doses while sensor feedback and AI adjust timing to reduce overdose risk.

Different needle lengths deliver preparation across multiple dermal layers, improving transdermal absorption and user experience.

Shallow rough-tip microneedles create skin pores for sustained substance diffusion while minimizing trauma and inflammatory response.

A water-soluble microneedle matrix stabilizes vaccine and adjuvant delivery through skin while reducing discomfort and nodule formation.

Pressure-bent microneedles protrude from a cartridge for sterile storage, easier skin insertion, and improved drug absorption.

Inclined tab support surfaces help off-center microarray patches detach evenly, improving application uniformity and drug delivery.

A compact punch and adhesive patch simplify single-use microneedle application while improving positioning, penetration, and sterility.

Separate circuit boards let densely packed treatment needles protrude without short circuits, reducing untreated skin areas and improving effectiveness.

A threshold-force trigger turns manual pressure into controlled microneedle insertion, avoiding stored-energy complexity and user error.

Microneedle delivery places peanut allergen in the cutis to target dendritic cells, improving desensitization with fewer adverse events.

A force-driven ingestible mechanism delivers drugs across GI epithelium to improve systemic uptake without invasive injection discomfort.

A spring-driven piston applicator standardizes microneedle patch force to improve penetration depth and API delivery consistency.

Multiple dies place microneedle arrays onto one adhesive support layer, enabling larger patch coverage without repeated applications.

An elastic close-contact member helps microneedles penetrate skin in a controlled way to improve dermal ingredient delivery with less damage.

A porosity-gradient microneedle array draws interstitial fluid with low pain, enabling rapid colorimetric and precise electrochemical glucose detection.

Separate circuit boards let RF microneedle groups overlap through perforations, increasing needle density while preventing short circuits.

Solid drug particles are bonded to microneedles with an adhesive layer to avoid denaturation, phase separation, and long drying steps.

A water-soluble polymer adhesive tuned by loss tangent keeps the microneedle array attached during use and removes it cleanly from skin.

A pH-triggered expanding capsule deploys microneedles in the duodenum to deliver biotherapeutics without external injections.

Crosslinked GelMA microneedles absorb interstitial fluid through the skin for biomarker and drug detection without invasive blood draws.

Wireless power and biodegradable microneedles enable localized electrostimulation drug release while reducing infection, tissue damage, and removal surgery.

Insulated microneedle apices and tapered surface electrodes reduce pain and signal latency in continuous glucose monitoring.

Separate microneedles handle drug administration and later reaction product withdrawal, extending transdermal patches beyond delivery alone.

Laser resurfacing plus PRP or PRF injection targets soft palate tissue to improve airway patency and reduce sleep-related breathing difficulties.

A sealed fluid bus, punctured septa, and hydrophobic filtering create an isolated fill environment for rapid reservoir filling with lower contamination risk.

A cam path, piston, and compressible member deliver repeatable force and penetration depth for reliable microneedle patch application.

A sealed conical cap stores disinfecting solution around microneedles to prevent leakage and keep the array sanitized during travel.

A one-shot stacking mode automates repeated microneedle cycles and pressure-assisted delivery into multiple skin layers with less user effort.

Multiple working electrodes in one skin-inserted sensor enable simultaneous analyte monitoring with less bulk, lower cost, and verified penetration.

A preloaded non-linear insertion path and adhesive retention help microneedles embed fully, stay in place, and reduce user uncertainty.

Negative pressure and mold expansion draw formulation into microstructure openings, improving tip filling while reducing defects, contamination, and cost.

A microneedle array uses a segmented grid support layer to ensure uniform penetration across curved skin surfaces.

Plasma irradiation strengthens maltose micro-needle surfaces, preventing moisture-induced tip collapse and ensuring reliable drug penetration.