Infusion Syringes TRIZ Cases

Integrated conduits and a gas collection container streamline reconstitution while preventing pressure buildup during fluid handling.

A plastic mono-dose vial moulding machine integrates needle formation and protection means into a single continuous operation.

Buffer member vents trapped air during liquid transfer, preventing contamination in small-diameter syringes.

Flexible annular flange on the barrel inner surface forms a seal with the plunger shaft to reduce injection forces.

Capture pin holes in the housing retain pellets while a manual plunger ejects them, reducing tissue trauma during implantation.

A mixture injection port circulating portion redirects medical fluids to prevent stagnation, resolving cleaning efficiency issues caused by septum deformation.

Integrated storage and delivery containers eliminate transfer steps, reducing thawing time and contamination risks during bone graft procedures.

A tubular body expands radially along a longitudinal seam to increase lumen diameter, preventing septa coring while boosting fluid transfer speed.

Segmented multi-use and disposable connectors retain sterility while reducing waste from frequent sterilization.

A prefilled syringe storage tray holds the plunger shaft with contact portions and protruding pieces to maintain component position.

Segmented plunger rod design uses radial flexibility to lock multiple dose positions, resolving the trade-off between dosing versatility and storage volume.

A three-dimensional lattice in the piston passage ensures thorough mixing of components with different viscosities, preventing dispenser tip clogging.

Segmented Hall Effect sensors reduce battery drain by fifty percent while maintaining accurate medical device tracking.

Everted liner slides within core tube during withdrawal to reduce friction against constricted blood vessel walls.

A monoblock injector device with a rigid cannulated body and piston delivers biocompatible materials to deep anatomical areas.

Retention protrusions engage an undercut before threading tightens, preventing over-tightening damage while maintaining a leak-proof seal under high pressure.

An optical sensor detects reflected light from the dose dial surface to record precise medicament dosage information without obstructing user interaction.

A flexible cap seals conical medical connectors using a dome-shaped protrusion that deforms to engage internal walls.

A safety neural injection cannula incorporates a rigid bend for precise placement and a flexible stylet for controlled navigation.

Aligning the RFID tag dipole axis with the cover's longitudinal axis resolves traceability reliability issues caused by printed code wear and damage.

Segmented reservoirs and self-service mixing eliminate operator errors and contamination while maintaining reagent stability.

Segmented base with disposable needle reduces manufacturing cost and waste while hydrophobic filter maintains sterility during fluid transfer.

A defeatable seal within an integrated housing separates a lyophilized drug from a liquid diluent until fluid pressure triggers mixing.

A cryogenic probe filtration system removes particulate and molecular impurities from cooling fluid to maintain precise temperature control.

A segmented plunger engages a barrel lock section to prevent accidental needle stick injuries by securing the needle tip within the barrel.

An indicator element builds friction against the syringe cylinder interior wall to detect maximum stopper displacement and prevent contamination.

Ruptureable retaining members rupture under specific force to prevent accidental disconnection and toxic leakage in medical devices.

Self-sealing rubber adapters on administration containers enable precise partial withdrawal of blood products using a syringe.

Segmenting the guidewire lumen into an external parallel tube eliminates repeated insertion, reducing procedure time for removing multiple foreign bodies.

Adapter arms rotate a pen needle hub to pierce a medication delivery pen septum, resolving sterility and accessibility constraints.

A translucent barrel cover with a frangible tamper-evident device protects prefilled syringes during shipping.

A disposable infusion device uses a detachable filler to provide positive pressure for liquid medicament transfer.

Segmented cannula design prevents axonal damage from respiratory shifts while ensuring stable fluid infusion.

Fluid actuation ejects the drug depot from the stylet, eliminating spring-loaded jamming risks while maintaining imaging guidance accuracy.