Infusion Syringes TRIZ Cases

See how a syringe merged with a flexible teething toy body reduces feeding mess and food wastag

See how a syringe integrated into a toy body delivers food directly while providing a chillable

See how pliable ribs and a protective collar prevent bottle slippage on inclined surfaces and s

A spring-coupled removable power cover secures infusion pump battery insertion, blocks reverse polarity, and maintains a water-tight connection.

Spring-loaded power contacts and o-ring sealing improve infusion pump reliability while force sensing enables more precise occlusion detection.

Movable contacts in an elastomeric seal protect infusion pump connectors from fluid ingress, mechanical damage, and galvanic corrosion.

An elastomeric sealing structure with movable contacts protects infusion pump module connectors from fluid ingress, damage, and corrosion.

Movable contacts in an elastomeric sealing structure help infusion pump modules resist fluid ingress, mechanical damage, and galvanic corrosion.

A movable cradle and pressure plate couple plunger rods to syringe assemblies across fill-level and size variation with less manual changeover.

Interchangeable carriages speed plunger rod coupling across syringe sizes, cutting manual changeover and avoiding bulky fixed automation.

A brush-applied lubricant forms a uniform film on tubular shuttle surfaces, cutting friction while avoiding surface scraping and uneven wear.

A silicone rubber particle coating with drying, baking, and extraction cleaning keeps syringe gaskets slidable while limiting particle fallout and leakage.

Alternating ribs and a retainer clip turn a small needle shield into a secure, ergonomic grip that reduces needle-stick and contamination risk.

A rotating drum and brush-applied lubricant cut friction in medicament delivery tubes without abrasion, avoiding weak points.

Modular interchangeable carriages speed plunger rod coupling across syringe sizes while reducing changeover time, operator error, and machine complexity.

Segmented contact surfaces and optional non-stick coating cut plunger-feeding friction while avoiding lubricant contamination of drug products.

Laser-cut continuous channels help syringe gaskets maintain container closure integrity while lowering plunger force without silicone lubricants.

A lubricant-loaded brush shuttle coats tubular injection parts to cut sliding friction, enabling smoother motion and lighter biasing members.

A rotatable drum and nested device handler lubricate tubular elements continuously, cutting friction and reloading downtime in medicament device assembly.

Laser-formed channels in fluoropolymer syringe gaskets cut plunger force while preserving container closure integrity without lubricant interaction.

Laser energy reflows injector stoppers through the barrel wall to fill defects, cut leakage, and maintain low sliding resistance.

A pivot-supported compressible valve shifts off-axis during syringe removal to reduce valve-face droplets and trapped fluid.

During syringe removal, a pivoting valve and fluid channels pull residual liquid inward to prevent valve-face droplet formation.

Preconfigured cradle carriages let one machine handle different syringe sizes with much faster plunger rod assembly changeovers.

A syringe-driven rotating valve body switches fluid paths between input, output, and syringe ports with clearer positioning and sensor-ready use.

An oblique laser-formed annular groove helps laminated syringe gaskets improve sealing and sliding while preventing liquid drug leakage.

A two-laser process drills and remelts a glass syringe bore to avoid tungsten residue that can trigger protein aggregation and particles.

Interchangeable carriages simplify syringe size changeovers while a movable cradle and pressure plate couple plunger rods with less setup effort.

A hydrophilic-hydrophobic porous valve vents gas from microfluidic lines while blocking liquid loss and bubble-driven measurement errors.

Oblique laser-induced filaments guide clean glass tube separation with accurate lengths, smooth fracture surfaces, and no splinters.

A tailless valve with asymmetric compression and a through hole cuts priming fluid, lowers housing volume, and maintains sealing.

Alternating convex and concave ribs with a retainer clip improve needle shield grasp and removal for users with reduced dexterity.

A protrusion-guided pivot valve shifts away from the syringe face to limit droplet formation, fluid entrapment, and contamination.

An annular laser-formed groove on a laminated syringe gasket improves sealing and slidability while preventing liquid drug leakage.

A movable cradle with interchangeable carriages couples plunger rods to different syringe sizes while cutting changeover time and machine complexity.

Meshing teeth overlap with the spindle and planetary roller threads to prevent slippage and improve telescopic spindle positioning accuracy.

A non-rotating threaded stopper drive enables sterile, controlled basal and bolus drug delivery in a compact external pump.

A nested threaded anti-rotation cartridge converts motor rotation into precise stopper travel for sterile subcutaneous dosing across variable volumes.

Selective adhesive overmolding creates storable semi-finished injection device parts and strong bonds without adhesive squeeze-out.

Protruding plates and a jig pre-align flexible tubes on a branched liquid-feeding connector for faster, more stable attachment.

A gravity-based support keeps medicament delivery devices upright to improve gas escape, mixing homogeneity, and dosing accuracy.

Alternating ribs and a retainer clip give small needle shields a larger, ergonomic grip, reducing needle-stick and contamination risk.

Color-coded nested screws provide staged injector extension, helping users confirm full dose delivery and prevent overextension.

A spring-biased ball and seat regulator limits syringe discharge to a preset flow rate without power, programming, or bulky infusion pumps.

A tail-less valve body cuts compression force, priming fluid, and housing volume while preserving sealing and a cleanable top surface.

A rigid-flexible-septum shield structure keeps syringe needle removal force manageable while maintaining a tight fluid seal and leak protection.

An annular adhesive bond secures a drug delivery adaptor to the tip, improving torque and pullout resistance while reducing leakage risk.

A retractable electrode sheath leaves a vacated lumen for surgical material delivery, helping seal the ablation track and treat pneumothorax or bleeding.

A sealed grinding syringe crushes and liquefies solid drugs while preventing hazardous release, worker exposure, and cross-contamination.

A pivoting lock with cantilever forks automatically engages plunger detents after injection, preventing syringe reuse without extra practitioner steps.

Capacitance sensing with short-range wireless links tracks syringe injection status accurately without batteries or physical contact.

A vial adapter, air pump, and plunger lock work together to limit air entry and backflow for safer, more accurate medicament filling.

Wiegand wire pulses between opposite magnets let an injection device detect start, end, and hold times without complex contact sensors.

A thermal coupling surface and temperature-responsive member gate drug delivery so dosing occurs only within the intended skin temperature range.

A lead screw and drive nut move the piston through a reservoir slit, shrinking wearable drug pump length without losing drug expulsion capability.

Self-assembling collagen slurry implants provide a stable scaffold for tissue repair in synovial joints where synovial fluid disrupts fibrin clot healing.

Trapped air in a grooved pump chamber pushes residual medicinal liquid through the tube, cutting waste after injection.

A sterile barrel-guided stopper insertion approach enables precise syringe closing in small batches while avoiding contamination and excess pressure.

A beveled syringe tip penetrates vial or IV bag membranes without a separate needle, reducing needle-stick injuries and extra material use.

Movable sidewall protrusions adapt to varying container diameters, reducing tilting, contact damage, and particle formation.

Tapered finger-holding surfaces accommodate varied finger sizes, enabling predictable one-handed injection and aspiration control.

A resilient sealing member and adapter protect syringe closure integrity from leakage during extreme storage conditions.

Pivoting legs align with the acromion to guide consistent deltoid injections for adults and children while reducing placement guesswork.

Resilient arms and abutment surfaces prevent rotation and axial movement across container sizes, supporting one delivery device.

Stopping hooks and a moving needle protector keep the shield fixed during injection and contain the needle for disposal.

Nested plunger components collapse to minimize storage volume while a locking mechanism ensures tamper evidence and secure handling.

Water-resistant seal blocks contaminant migration at removable pump-controller interface, maintaining electrical integrity against precipitation and sweat.

A booster mechanism for liquid containers uses a deformation trigger assembly to enable convex movement of the movable assembly.

A safety syringe uses a retracting element to create a vacuum in the pushrod chamber that pulls the used needle group inside.

Pressurizing fluid through a restrictor wets sensor channels, eliminating micro-bubbles that attenuate ultrasonic signals.

Tubular valve parts extend from the central valve member to prevent tilting and ensure reliable sealing against blood leakage.