Ampoule Syringes TRIZ Cases

A crosslinked hyaluronic acid hydrogel uses a polyol and crosslinking agent to form a stable network structure.

A medicament container uses an optical receiver to power sensors via light, eliminating wiring complexity and electromagnetic interference.

An alignment interface with asymmetric protrusions secures drug delivery reservoirs within a holder to prevent rotation and ensure correct orientation.

A disposable cartridge with a hose valve generates precise medication droplets, eliminating dead volume contamination and preserving sterility.

A C-shaped tubular body secures a medicament container within a delivery housing using nested inner and outer support structures.

Segmenting error detection into a main control unit prevents computational overload in the primary controller, ensuring reliable motion tracking.

An actuator mechanism holds a tensioned drive spring and plunger rod within a medicament delivery device housing.

An optical sensor assembly tracks dose indicator movement within an injection pen display window to determine administered medication amounts.

A pneumatic damper cushions the drive member to reduce impact forces on the syringe plunger and prevent component damage.

A drug delivery cap features a window aperture revealing cartridge holder information without obstruction.

Segmented mechanical holding elements distribute distal force across multiple structural features, preventing flange breakage during high stopper load.

Segmented premixing and mixing zones deflect partial flows against impact elements, reducing discharge resistance while ensuring thorough material homogeneity.

A tray-based apparatus uses a dual-ended transfer needle to pierce vials and containers for fluid communication.

Asymmetric resilient beam eliminates precise angular orientation, reducing assembly time and injection force for manual devices.

Segmented dosage indicator windows display distinct numbers sequentially to resolve user confusion during medicament setting.

A magnetically driven foaming element agitates vascular fluid within a syringe barrel to generate stable foam.

A rack and pinion mechanism drives a plunger rod to advance fluid through a by-pass channel in a dual-chamber cartridge.

Asymmetric coding features on the cartridge assembly prevent incorrect medicament use by mechanically locking the spindle nut when mismatched.

A medication delivery system leverages meal transaction application data to determine insulin bolus dosages and timing.

Geometric interlocking replaces friction mechanisms to withstand spring force and allow temporary stops during medicament delivery.

Variable latching positions reduce fluid wastage during priming and eliminate audible clicks.

Screw thread mechanisms limit plunger speed during insertion to prevent syringe damage from impact forces.

A liquid administration tool cover member retracts to expose the needle tip for resuming drug delivery.

A glass syringe-side assembly element provides a defined reference point relative to the needle tip for secure attachment.

Limited axial travel of a removable cap insert absorbs shock energy between the syringe flange and end-cap, reducing fracture risk during accidental drops.

A pen-shaped torsion spring injection device uses a helical scale drum rotating on an external piston rod thread to display dose settings.

Elastic deformation of the needle depth adapter dissipates excess force, resolving inconsistent injection depth variability in emergency trauma scenarios.

Frangible barrier film breaks under pressure to establish fluid communication, resolving the complexity of sterile docking without welding.

A medicament delivery device uses a groove and shoulder system to provide visible tamper evidence upon cap removal.

A metal ratchet arm prevents proximal piston rod movement, resolving dosing inaccuracies caused by unintended lead screw backtracking.

A gas spring drive means provides consistent damping force along the entire stroke length to move a plunger rod within an injection housing.

Pre-filled separate carpules eliminate manual preparation time while maintaining pH stability through automatic mixing.

A pen needle magazine uses integrated peel tabs to expose individual needles from a shared housing.

A compression spring acts as a plunger rod to push the stopper in a compact medicament delivery device.

Shuttle lock control prevents accidental cap removal during transport, protecting needle tip from contamination until docking.

An elastic band wraps around a multi-dose injection device to provide distinct visual and tactile cues for rapid medicament recognition.

A puncture needle assembly uses a resilient lock mechanism to maintain the protector position.

A locking assembly transitions a medicament delivery device from non-activated to activated states using a rotating plate and radial tab engagement.

A plunger assembly resilient portion forms a temperature-resistant seal with the container wall.

A jet injection electroporation device combines mechanical propulsion and electrical electrodes to deliver agents into the skin.

A liquid medicine injection apparatus uses a deformable fluid tank to enable sequential administration of multiple medicines.

A drug delivery assembly uses a biasing member to disengage the rotation and drive members for piston rod resetting.

A medication delivery system adjusts insulin dosing using gesture-based movement detection.

A drive mechanism switches between operation and reset states by decoupling internal members to enable piston rod retraction.

A torsion spring drive structure actuates sequential substance expulsion from dual reservoirs, eliminating manual handling complexity.

A movable sterility barrier seals pen needles within a compact storage container, resolving bulkiness and contamination trade-offs.

Silicone-free coatings on plunger stoppers reduce break loose and gliding forces, preventing aggregation and particle formation in pharmaceutical formulations.

A disposable bone cement cartridge uses a piercing plunger to mix monomer liquid and powder.

Adaptor secures drug cartridge with enlarged distal end externally on pen injector body.