Ampoule Syringes TRIZ Cases

A tension spring drive mechanism powers medicament expulsion, preventing premature needle retraction and ensuring complete dose delivery.

An acoustic method processes sound and vibration signals from a ratchet mechanism to meter manual injection dosage.

A carpule retentive sleeve retains the stopper inside the anesthetic cartridge using a tubular body and collar.

Ultraviolet light sources within the housing sterilize the container and needle actuator, reducing contamination risks during self-administration.

Sensing bands contact wipers to generate outputs for dose measurement, reducing device size and manufacturing cost.

A syringe plunger collar loosely fits inside a hollow gasket to prevent rod disconnection during pump rotation.

A glass pharmaceutical container uses localized absorption zones to enable selective electromagnetic heating for precise thermal bonding of connecting bodies.

A bistable resilient force member generates an audible signal upon transitioning from a biased state to a relaxed state.

Deformable member compensates engineering tolerance variations via elastic deformation, preventing slippage and ensuring accurate delivery distance.

A dispense interface lockout element moves between receptive and locked conditions to prevent reattachment after detachment.

An injector uses an outer sleeve translating relative to an inner sleeve to deliver medicaments.

A deformable pre-packaged injection device mixes liquid and powder components through inelastic chamber deformation.

Side-by-side vial and needle assembly share a trigger releasing both springs, addressing compact packaging complexity in wearable dosing.

A lever-based operation aid provides mechanical advantage to reduce required actuation force, resolving ease-of-operation constraints for impaired users.

A syringe uses a resilient container wall and oversized piston to create a liquid-tight seal during injection.

A medicament container holder uses a resilient support element to absorb and spread injection forces between the glass vial and the device structure.

Segmented components and universal plunger functions maintain hygiene while mixing cell therapies without structural complexity.

Cap position and guard movement trigger a switch assembly to manage battery and capacitor power, preventing overheating.

A support pad transitions a cover extension to protect the needle during device handling.

A variable force tension spring drives a plunger rod via a cam mechanism, balancing high injection force against low storage stress to prevent component damage.

Annular elements guide the plunger rod to prevent 360-degree tilting and leakage during insertion.

A simulated medicament delivery device uses an electronic circuit system to output audiovisual instructions for user training.

Segmented cap assembly uses interlock member to prevent unintentional disassembly while allowing easy removal.

A floating cannula system accommodates patient movement via a ratcheted inner cannula, preventing tissue damage during spinal injections.

A needle hub valve employs a spherical element to seal inlet openings, preventing premature mixing of separate drug agents in multi-reservoir delivery systems.

A retractable needle injects therapeutic agents along a defined path using a linear drive and pump reservoir mechanism.

Extending an activation guard past the shell prevents inadvertent injection during device inversion, ensuring accurate drug delivery.

Two phase PECVD power levels deposit uniform SiOxCy layers that eliminate silicon oil precipitation and protein failure risks.

Sealant layer and collection chamber distribute negative pressure around surgical incisions to remove fluid collections that cause bacterial growth.

Automated optical imaging and image processing determine apparatus position on a drug delivery device, providing visual feedback to correct alignment errors.

Administration assembly for a medicament delivery device featuring a proximally biased plunger rod and double-edged needle mechanism.

A needle delivery device moves a needle parallel to the skin surface to inject pharmaceutical compositions rapidly.

A tungsten-free ceramic tip forms glass syringe cones with precise geometry and integrated cooling channels.

A passive NFC syringe detects plunger position via capacitance changes between barrel probes to report injection status.

Segmented rotatable display members with cam coupling resolve compact housing constraints by enabling unambiguous dose reading for visually impaired users.

A rotatable magazine with multiple chambers delivers medical plugs of varying lengths and compositions to resolve device complexity constraints.

A combined needle and cannula device uses a slider to advance the sharp tip for puncture and retract it into a guard.

Integrated planar flexible foil with embedded processor measures cartridge filling levels, eliminating complex external reader requirements.

A container bung integrates a signal generator and receiver to determine interior volume via electromagnetic feedback.

Movable lid compresses elastic dome to generate negative pressure, maintaining constant suction volume regardless of remaining content level.