Ampoule Syringes TRIZ Cases

Tubular activator sleeve protrusions interact with audio generating elements to produce audible signals during dose delivery.

A disposable cassette uses a movable valve block to direct fluid flow between a drug cartridge and an injection needle.

A bi-specific fusion protein binds complement C5 and human serum albumin to extend circulation half-life.

Radial insertion of a disposable syringe portion into a reusable housing simplifies cartridge replacement and reduces medical waste.

A medication dispensing apparatus employs a lock ring and ratchet mechanism to control dosing element movement.

Multiple filaments stabilize a flexible casing, resolving the trade-off between dimensional stability and breakage resistance in drug delivery devices.

Radially extending portions on drug delivery cartridges enable secure bayonet connections to device bodies.

Segmenting components enables terminal sterilization, avoiding costly aseptic environments.

A wearable medicament delivery device uses a planar contact face to support the unit on skin.

An adhesive inner surface bonds during compression to prevent air intake and reflow, eliminating the need for continuous pressure control systems.

A dose guidance application learns patient dosing strategies to provide intuitive medication recommendations.

Axial component arrangement reduces device diameter while maintaining dose setting reliability for slim drug delivery devices.

A double compartment syringe uses a movable partition to store and mix lyophilized solids with reconstitution media.

A plunger and collar mechanism with a track follower controls axial movement to prevent syringe damage from excessive insertion force.

Segmented bridge structure accommodates varying ampoule diameters while maintaining fixing force without increasing manufacturing complexity.

Reducing the pierceable septum area prevents elastic relaxation droplets and maintains hermetic seal integrity.

An automatic medical injector uses a motor-driven mechanism to control needle insertion speed and angle for precise drug delivery.

A compact dispensing apparatus uses a rate control chip and variable force springs to deliver medicinal fluids at a uniform flow rate.

Segmenting the gasket into a drug-resistant plastic core and a lubricated silicone ring lowers friction while preventing contamination.

An optical sensor attaches to insulin pens to automatically record injection data, resolving manual recording errors and ensuring accurate dosage tracking.

A separating member disengages drive and stop components when the drug unit is removed.

A drug delivery device uses a mechanically adjustable content display to show cartridge information.

A torque-driven drug delivery device incorporates a viscous damper mechanism to regulate plunger motion during medicament administration.

A helical coupling arrangement joins tubular components using complementary shapes and undercuts to create a secure, irreversible connection.

A spring-driven injection device uses a locking nut to constrain the dosage tube and piston rod during dose setting.

A cartridge assembly integrates a fixing feature to secure the drug container within the holder.

Jaw-type elements clamp brittle ceramic moulding pins to secure axial positioning during medical glass container production.

An integrated triggering unit merges spring storage and actuation, reducing component count while ensuring reliable single-use operation.

Sequential friction-controlled shield movements simplify cartridge attachment while minimizing needle stick injury risks.

Asymmetric plunger rod keys match specific cassette housing slots to prevent incorrect medicament attachment during reusable driver operations.

A medicament delivery device uses a manual pressure mechanism to build internal gas pressure for injection.

A lyophilization device integrates a plunger mechanism and gas-permeable membrane for sterile reconstitution.

Enlarged distal portion with resilient barbs engages the gap between syringe barrel and needle shield for secure retention.

A spring-loaded auto-injector in a phone case solves high-force operation barriers by enabling easy self-administration during anaphylaxis.

Independent light-emitting subregions display distinct illumination patterns to resolve device complexity and energy consumption trade-offs.

A syringe pusher features a tubular holding part covering the outer tube to guide longitudinal movement for reliable gasket actuation.

An integrated outer tube projection creates asymmetric finger placement to prevent slippage during high plunger pushing force administration.

A drug delivery housing uses a movable actuator and setting element to drive sequential engagement of two medicament assemblies.

Segmented engagement regions on a cruciform rod allow universal pitch compatibility while maintaining reliable dose selection.

Motion sensor detects second switch failure by tracking drive mechanism position, preventing incorrect dose delivery.

A helical spring acts as an inductance sensor to detect dose quantities via variable windings on the dosing wheel.

Mechanical ratchet generates audible clicks to signal injection progress.

Integrated guide pin and track restrict needle shield movement to prevent retraction, resolving complexity reliability trade-offs.

A training drug delivery device uses integrated sensors to detect cap attachment and button depression, providing real-time feedback on user handling.

Rotation of the needle sleeve drives axial movement of the cartridge, establishing fluid communication while reducing manual assembly complexity.

Segmenting the syringe into a wide reservoir and narrow needle reduces injection force while maintaining standard device complexity.

Axially movable locking member inhibits sleeve displacement during drops, preventing accidental actuation of the medicament delivery device.

Eccentric core pin positioning compensates for uneven resin pressure to reduce needle inclination during insert molding.

A transfilling device uses a plunger to displace a cartridge piston and a cannula to fluidly couple the cartridge with a flexible reservoir.

A dose setting mechanism uses a track follower to limit axial displacement of a stop member, preventing users from setting excessive medication doses.