Microneedles TRIZ Cases

A transdermal microneedle device uses a pushing element to apply continuous bilateral force for consistent skin penetration.

Segmenting the tip into sharp points and a cutting edge reduces tissue resistance, enabling reliable penetration through the epithelium barrier.

Microstructures penetrate skin to mechanically grasp tissue, eliminating adhesive failure from moisture and reducing scarring.

A handheld device generates a pressurized fluid stream to penetrate human skin or mucosa for compound delivery.

Microneedles bypass the melanin barrier to deliver UV-B light directly to dermal cells, ensuring reliable vitamin D synthesis across all skin tones.

A microneedle sensor design merges reference and counter electrodes onto a single panel substrate while inserting reaction electrodes into hollow needle channels.

A two-layer molding process creates needle-like array sheets by bonding distinct resin layers in separate stages.

A transdermal delivery system uses electrical discharge to create micropores in the stratum corneum for controlled drug transport.

A biodegradable microneedle with a two-step structure and specific corner angle.

Segmented microneedles with insulated shafts create focused electroporation pores, enabling high-throughput drug transport while preserving skin integrity.

Asymmetric radial microneedles deform skin independently during puncture, eliminating extra mechanisms and reducing device size.

Step formations prevent capillary movement, ensuring quantitative drug delivery and high usage efficiency.

A linear surgical stapler cartridge integrates resorbable microneedles to deploy therapeutic agents into tissue layers alongside staples.

Antenna radiates electromagnetic field to enhance skin permeability, reducing pain and infection risk from mechanical needles.

A positioning frame centers a transdermal therapeutic system over skin openings created by an insertable tool unit.

An applicator stretches skin to facilitate microneedle penetration into the stratum corneum.

Concave light grooves along microneedles guide therapeutic radiation into skin tissue, resolving shallow penetration limits in phototherapy.

Optimized microneedle density reduces skin irritation and pigmentation while maintaining drug delivery efficiency.

A flexible transdermal device uses microneedles to create skin pores and inserts drug masses alongside them for precise delivery.

A transdermal permeant delivery system creates micropores in the stratum corneum using controlled electrical discharges.

A microneedle applicator uses a resistive portion and bending portion to stabilize sheet movement during manual operation.

Nested vacuum packaging maintains reduced pressure around medical devices using inert atmosphere principles.

Segmented resin microneedles deliver allergens to reduce test duration from 48 hours to 20 minutes.

Segmented needle tips with inclined parts inject drugs at targeted depths, reducing unnecessary tissue injury from deep insertion.

Adjusting the ejection nozzle landing position and applying suction ensures reliable filling of the distal end, resolving precision trade-offs.

A microneedle storage container uses a deformable second member to protect the array and enable skin puncture.

An insert mold with protruding needle patterns overlaps a pedestal shape to form a resin-filled cavity for microneedle array production.

A microneedle cartridge uses a flexible container to protect the array during storage and transport.

An apparatus creates microconduits in the stratum corneum using an abrasive assembly monitored by impedance sensing.

Segmented microneedles with varying lengths and suction overcome the stratum corneum barrier to improve agent delivery.

A self-injection device uses a conical spring to pressurize a reservoir and expel medicament through microneedles.

A conical-projections forming sheet features recessed parts that cradle fragile projections during manufacturing and transport.

Centrifugal force pulls viscous composition outward to form microstructures, eliminating mold separation material loss and high temperature ingredient damage.

A microneedle template deposits a diamond layer on silicon to resolve surface unevenness and improve skin penetration efficiency.

Progressive stamping fabricates microneedle arrays while a flexible wall creates vacuum pressure for fluid transfer.

Segmented layers with varying biodegradation rates deliver precise drug amounts to specific skin depths, reducing pain and waste from conventional injections.

Precise microneedle length controls permeation depth, resolving the contradiction between improved absorption and mucosa perforation risk.

A microneedle patch uses a liquid-impermeable base with through-holes filled by absorbent material to connect needle portions to functional members.

Sol-gel molding creates high-aspect ratio hollow silica glass microneedles, resolving polymer biocompatibility and manufacturing precision trade-offs.

A double-layered microneedle mold structure uses a masking film to isolate the needle tip for precise coating deposition.

Calibrated magnetic attraction stabilizes microneedles without compressing skin, preserving capillary perfusion for efficient transdermal delivery.

Reverse iontophoresis attracts glucose from deep skin layers to microneedle tips, resolving accuracy limits of shallow passive diffusion.

Patterned microneedles bypass lymphatic sequestration and immune targeting to deliver high molecular weight agents with greater than 20% bioavailability.

A protective release sheet for microneedle patches features a central hole and radial cutting lines to facilitate easy removal.

Microneedle arrays deliver immunomodulatory compounds through the stratum corneum barrier to enhance immune response.

Segmenting the syringe into a flat micro-needle array eliminates patient anxiety while maintaining effective anesthetic delivery.

Segmenting fabrication into coating, tip removal, and template extraction resolves complexity trade-offs for mass production.