Ampoule Syringes TRIZ Cases

Adapter collars stabilize mismatched cartridges within an enlarged pathway to resolve manufacturing tolerance incompatibilities.

Segmented plunger rods with independent biasing arrangements automate two-component mixing without increasing structural complexity.

An ampoule closure features an expanded septum that elastically accommodates thicker needles for easier dispensing.

Removable cap with blocking formations limits relative movement between the release member and cartridge assembly.

A medical syringe production process merges extrusion and blow moulding to form hollow bodies with integrated thrust pistons.

A vial moves relative to a stationary plunger and needle assembly.

A multi-stage injector uses frangible seals to merge dry and liquid components in a mixing chamber for controlled solution formation.

Segmenting the apparatus into reusable and disposable modules with a self-service blocking mechanism prevents re-use while maintaining cost-effectiveness.

A syringe gasket uses a segmented PTFE body and silicone ring to balance sliding ease with barrel sealing.

Complementary spring formations align torsion drives during automated assembly, resolving labor-intensive manual alignment bottlenecks.

A drug delivery housing system uses a threaded connection and rotation lock to prevent unintended disconnection during operation.

Syringe cover includes a detectable discrimination mark and rotation marker to simplify mounting and ensure accurate drug identification.

A collapsible support member guides a curved needle into a drug cartridge septum, preventing buckling from rapid insertion forces.

An electromagnetic actuator in a needle-free injector dynamically adjusts injection pressure based on sensed tissue properties to minimize skin damage.

A dual-chamber injection cartridge uses a state-changing spacer to enable serial ejection of fluid components.

Segmenting fluid pathways into molded tubelike elements reduces manufacturing complexity while maintaining biocompatibility and preventing cross-contamination.

A lead screw with intertwined threads uses asymmetric profiles to ensure accurate helical movement and prevent back-driving in drug delivery mechanisms.

Rupture seal membrane isolates medicament from needle until fluid pressure triggers expulsion through the hollow body.

Activator button engages a guide latch to prevent return movement, eliminating accidental activation risks in self-injection devices.

A spring-loaded plunger mechanism applies controlled pressure to an ampoule via a worm gear drive.

Dynamic radio frequency power limits pairing range to prevent unauthorized interference while enabling secure data transfer.

Shield restricts sensor field of view to isolate surface reflections, preventing ambient light interference and ensuring accurate insulin type identification.

A needle assembly with a movable button element primes the device before first use.

A catheter therapeutic assembly includes a compliant chemical chamber that supplies a predetermined volume of agent to adjacent tissue.

An integrated syringe and cap assembly merges storage compartments with a dynamic mixing zone to eliminate multiple transfers and reduce contamination risks.

A medical cartridge uses a segmented barrel to hold dry powder and liquid components for mixing.

A sliding detector means and biasing spring engage a longitudinal bar to prevent accidental activation, reducing needle stick injury risks.

Nested inner and outer shields cover needle ends after injection, eliminating separate proximal shielding to reduce device complexity.

A pre-charged drive spring rotates a pinion to move a toothed piston rod, eliminating high user input forces required for dose setting and dispensing.

A dual cartridge syringe mixes adipose tissue with hydrogel additives via a dedicated mixing tip to ensure uniform delivery.

A surgical instrument combines tissue perforation and pharmaceutical injection into a single integrated device.

Antibody-coated construct walls capture inhibitory cytokines from autologous serum to improve therapeutic ratios.

A medical delivery system uses a link motion mechanism to drive a hollow needle through a closure element for compound extraction.

A drug delivery device uses a sound transducer to transmit coded data signals via near-ultrasound frequencies.

A water-cooled electrode removes heat from medical gas cartridges during high-pressure filling to prevent metallurgical damage and ensure safety.

A multi-dose dispenser uses a spring-pawl mechanism to drive a piston for precise veterinary product dosing.

Polyparaxylylene coating on the syringe seal cap prevents sticking during sterilization, ensuring easy removal and sterility.

Segmentation separates the reusable housing from the replaceable syringe cartridge, reducing waste while inclined teeth ensure accurate penetration depth.

A connecting tool with a nozzle insertion portion links drug containers to pre-filled syringes, preventing erroneous needle attachment before preparation.

A self-injection device cap rotates between orientations to house a pen needle or minimize overall length.

A syringe retainer prevents plunger rod movement until insertion ends, enabling automatic medication dispensing.

A medication delivery device uses a spring-powered plunger and shield lock mechanism to connect the pre-filled syringe holder with the needle shield.

A syringe assembly features a spring-urged safety shield and a manual trigger button for independent needle coverage.

Segmented electronic modules with piezoelectric and pressure sensors detect dispensing events, resolving measurement precision versus device complexity.

Electromagnetic actuation opens fluid pathways between drug chambers, eliminating manual mixing errors and contamination risks.

A spring element limits maximum force on the plunger to prevent tissue damage during precise intraocular injection.

A modular autoinjector platform uses a common front body assembly with variable rear components to accommodate different fill volumes.

Reduced stiffness regions transfer emerging loads while asymmetric coding prevents incorrect insertion in drug delivery devices.

Multi-color optical sensing identifies cartridges despite sensor soiling, resolving measurement precision versus reliability contradictions.

Rotational coupling movements reset the dose setting mechanism during cartridge attachment, eliminating manual priming steps and reducing device bulkiness.