Ampoule Syringes TRIZ Cases

A medical device detects dispense assembly attachment time to determine end-of-life status.

A spring washer secures a drug delivery cartridge within its housing to prevent axial displacement.

An intermediary leadscrew tip prevents plunger deformation and medication leakage by decoupling rotational drive from axial translation in autoinjectors.

Radial engagement of flexible sidewall syringes via pivotal elements resolves adaptability versus reliability contradictions.

A semi-automatic injection device uses twin torsional springs to drive independent plungers for simultaneous medicament delivery through a single needle.

A magnetic sensor assembly detects rotational and axial movement of an indicator element to calculate expelled drug volume.

A wearable drug delivery device uses a microcontroller-controlled needle drive mechanism to deploy and retract an injection needle within the housing.

A cassette syringe holder lid uses segmented locking tabs to secure the syringe.

Segmented shields and an inverted torsion spring eliminate complex single-direction mechanisms, resolving safety reliability versus manufacturing complexity.

Stacking NFC antennas below displays using non-magnetic reflectors prevents signal attenuation while maximizing screen area.

Rotatable housing adjusts injection depth while automatic retraction prevents needle sticks.

A drug delivery device uses a shield and retention mechanism to restrict drive assembly movement during accidental drops.

A delivery device sensor mechanism records dose settings and deliveries using a magnetic field detection system integrated with an electronics module.

Segmenting the syringe into a disposable storage body and reusable discharge mechanism reduces infectious disease risk while minimizing plastic waste.

Internal projections and flexible arms adapt to different syringe diameters, preventing misalignment and damage in substance delivery devices.

A photosensitive sensor surface detects a stopper silhouette generated by a light source to determine position along a travel distance.

A dispenser body with a nozzle portion and independent plunger evacuates material from a measuring cavity to dispense predetermined volumes.

Segmented tension relief module with nested conduit alleviates suture tension and evacuates fluid collections.

An end recognition component on a pharmaceutical syringe label prevents overlap-induced obstructions, ensuring reliable symbol reading.

Matching preservative concentrations in the cleaning reservoir prevents fluid contamination of the pharmaceutical cartridge during repeated injection cycles.

A clip-based injection aid uses a lever and gear system to rotate and remove needle shields from safety syringes.

A reversible coupling mechanism in an injection device manages piston rod movement via a biasing element.

A rotatable guide sleeve with a secured spring prevents excessive tensioning, enabling easy dose adjustment without component disengagement.

A dual-chamber syringe system delivers medication through a dedicated lumen while maintaining priming solution in a separate chamber.

A single-casing injection device integrates a reciprocating cartridge holder and extrusion system for automated chemical solution administration.

A dispensing device moves a connecting body axially using a sloped control path driven by rotary actuation.

Independent syringe portions load via regulating means to prevent assembly errors, ensuring stable injection across varied liquid types.

A pneumatic plunger system delivers liquid drugs while an electrode detects skin contact via capacitance, reducing device complexity and manufacturing costs.

A prefillable syringe uses a bypass channel to open fluidic connection only during dispensing.

Interface unit converts rotational movement to axial displacement, reducing mechanical complexity and extending battery life in drug delivery devices.

Pivoting housing secures used syringe needles while a carrier element docks replaceable vial containers for injection.

Segmented guiding surfaces absorb elastic relaxation stress from the piston rod, preventing reverse motion and ensuring accurate medicament dosing.

A fused quartz glass container minimizes surface feature density through inert gas purging and optimized thermal processing.

A plunger guide rib with a recess creates a liquid barrier to separate the plunger from the tubular container.

Fused thermoplastic vulcanizate seal bonds to polypropylene tubular body during injection molding, eliminating adhesive reliance and leakage risks.

Segmented housing enables single-handed activation while eliminating two-hand preparation errors.

Cooling and decompressing the dissolving solution releases trapped air, preventing stopper displacement during steam sterilization.

A syringe injection aid uses a pivotable locking mechanism to control plunger movement for one-handed operation.

Nested protective cap contains electronic circuit to log dispensing data while eliminating external modules that increase complexity and cost.

A perpendicular actuation member drives dose delivery via a gear assembly.

Separate reservoirs maintain medicament stability while a single dose setter coordinates variable and fixed doses through a unified interface.

A syringe plunger advances via forward rotation to pressurize viscous liquid medicine through a sealing gasket.

A single slider translates between withdrawal and injection configurations to reduce device complexity and cross-contamination risks.

Rotating the fluid receptacle moves a blocking element from a locked state to release the actuator, preventing premature injection during medication mixing.

A drug cartridge bung integrates electronic coding features into its sealing structure to resolve identification accuracy versus device complexity trade-offs.

A drug delivery device pre-tenses the piston via a short axial distance between the distal support and piston rod.

Optimized curvature radius and contact pressure balance gas tightness against lamination film integrity.

Bulk additives in drug delivery components provide visual signals under electromagnetic radiation, resolving material contrast limits during automated assembly.