Infusion Syringes TRIZ Cases

A flush syringe assembly integrates a porous hollow mass threadably connected to the Luer lock area, entrained with a disinfectant agent.

A flow rate measurement device uses a movement sensor to detect plunger holder speed relative to a base receiver.

Pressing and cutting metal cannulas creates blunt tips that enable deep vial access while minimizing needle-stick injury risks.

Partial inner surface treatment reduces plunger displacement friction without exposing the medicament to lubricants that cause degradation or agglomeration.

A coaxial injector cannula mixes component substances immediately upon delivery through separate flow channels.

A colored glass composition uses a specific Fe2O3 and TiO2 product ratio to precisely control light transmittance for pharmaceutical containers.

Diene rubber o-rings maintain gas-tight sealing across −25° C to 40° C, preventing air infiltration during product thermal expansion.

Interlocked elastomeric valve members prevent fluid leakage and air embolism by forming a sealable passageway that yields during device insertion.

A mechanical float valve detects occlusions in infusion pumps, reducing medication delivery delays.

A dual plunger syringe mixes local anesthetic with buffer via a piercing spike mechanism.

A syringe cap integrates a removable indicator element with its cap parts to signal first use.

One-handed lever system generates controlled pressure while preventing tissue damage from excessive injection force.

Bending the tubular portion accommodates sufficient active ingredient volume while maintaining portability for transdermal administration.

A helical thread drive mechanism converts rotational input into linear piston movement within drug delivery devices.

A drive mechanism adjusts a piston rod via a rotatable adjusting member to set dose position.

Automated pump mechanism expels viscous fluids to reduce operator hand strain during injection.

A bent obturator shields the catheter interior, preventing needle-induced shavings that cause blockages.

An iodinated core provides radiopacity while azide-cyclic alkyne coupling simplifies synthesis, avoiding complex functionalization steps.

Multi-part syringe device delivers variable mixing ratios to form hydrogels with adjustable cross-link density.

A disposable syringe set uses male and female screw threads to join the needle hub and barrel securely.

A therapeutic fluid delivery device uses a rotatable element to measure plunger movement speed.

Segmented plastic adapters join glass barrels to retractable needle assemblies, preventing tip breakage while ensuring reliable connections.

A syringe stopper rod sensor transmits dose completion signals via a wireless module.

A syringe piston integrates a filtering device and free oil discharging mechanism to separate fluids during fat transplantation procedures.

An oblate spheroid tip cap orients automatically via gravity to prevent misconnections with incompatible Luer connectors.

Axially moveable pins conform to bone contours to rigidly position the guide cannula, preventing slippage on curved surfaces.

Merged inner element simplifies syringe assembly by combining protective cap and mounting collar to reduce production costs.

A removable power supply cover assembly integrates a spring-based conductor and sealing mechanism for infusion pumps.

A flexible toroidal balloon anchors inside the stoma to seal solid waste, reducing tissue irritation and preventing slippage.

A syringe plunger adapter uses a thumb loop and flexible distal wall to facilitate aspiration.

Torque transfer coupling links drive sleeve rotation to a driven member for precise dose setting.

Segmented distribution lines and disposable single-dose vials eliminate cross-contamination risks during radiopharmaceutical infusion.

A grip accessory housing supports manual injection devices while limiting needle exposure through a dedicated skin contacting surface.

An electrical nerve sensing unit alerts operators when a blunt tip approaches a nerve, enabling precise drug depot placement while avoiding tissue trauma.

Pre-coating corona treatment lowers trigger forces below 10 N while minimizing biotoxic silicone migration in pre-filled syringes.

A syringe barrel features a longitudinally extending flat indicia display surface for precise dosage marking application.

A needle assembly uses a plastic tip to pierce vial septums while a metal cannula provides structural strength for fluid flow.

Segmented trans-dermal inoculation ensures consistent Salmonella infection in peripheral lymph nodes, resolving unpredictable oral challenge results.

Inner bulges and locking slots guide connector translation and rotation, eliminating internal threads that complicate molding.

A multi-component injection moulded housing shell integrates transparent inserts and elastomeric seals to create a reliable administering device.

Rotating cover obscures the septum during use to prevent contamination while allowing visible access for efficient reservoir filling and priming.

A disinfecting luer cap uses a deformable insert to apply antiseptic fluid around the connector exterior.

Discoid plug and seat design prevents blockages during injection without requiring structural modifications to conventional syringe bodies.

Plastic primary packaging with a gas-tight outer coating prevents chemical sterilization agent ingress while eliminating microscopic glass particles.

A dosing device couples an actuating element directly to a thrust element to transmit rotational movement.

Mechanical pumping overcomes slow natural flow in cold weather to enable reliable individual animal diagnosis.