Tube Connectors TRIZ Cases

Perforation seals on outlet and inlet connectors prevent bacterial penetration and media impairment during sterile connection.

An actuated latch member locks a male slip luer into a hub, resolving the trade-off between connection security and switching time.

Rotating the collar moves the elastic member axially to expose the insertion shaft, enabling easy cleaning and reducing contamination risks.

Rotatable shell applies axial force to compress a deformable sleeve, preventing nut loss and twisting during operation.

A housing with dry and wet pads cleans patient fluid line access valves using antimicrobial agents.

Interlocking toothing locks a cap sleeve against unintended disconnection, preventing hazardous media leakage from toxic substances during medical procedures.

An annular collar seal prevents microorganism entry into medical lines, reducing CLABSI risk while maintaining sterile fluid pathways.

Segmented elastomeric valve element and cannula actuator enable automated assembly, reducing manufacturing costs for male reflux valves.

A telescopic connector assembly uses radial wedges to latch tubes axially for secure air delivery circuit connections.

Inner tubular element contacts hollow element end wall to instantly open flow path, eliminating gradual opening risks in hemodialysis.

Meshed ratchet teeth in a closed male luer transmit rotational motion between connectors, allowing tubing straightening without breaking the leak-free seal.

Angular flexible fingers in the cover create a frictional interference fit that prevents unauthorized reinsertion of the tip cap.

A syringe tip cap uses a nested housing and core to provide visual tamper evidence without complex external structures.

A closable male luer connector uses a resilient valve member to automatically seal the fluid passage upon disengagement.

Resilient split septum precompresses upon cannula insertion to maintain a stable pressure environment.

Resilient elements in the coupling mechanism maintain reliable fluid communication under high pressure.

A medical connector uses a deformable peripheral rim on an elastomeric seal to cover the ring end.

Internal dimples on a collapsible valve wall guide collapse in the air space, preventing fluid retention in needleless connectors.

Integrated heated blade cuts and welds thermoplastic tubes simultaneously for sterile connections.

An overmoulded yielding material seals the conduit in a single-piece medical connector, eliminating needle breakage risks and preventing component detachment.

A medical connector guides fluid through a housing gap using a deforming valve body, preventing fluid draw and stagnation risks.

An accordion-shaped sealing sleeve retracts to draw residual fluid back into the lumen, eliminating hazardous drips on the exterior surface.

A disinfecting cap for Luer activated devices features a movable plunger and standoff to isolate the septum from direct contact.

A thermo-welding connection machine positions actuating means outside the debris projection zone to protect sensitive components from impurities.

Connection adapter guides resin via upper-side openings, eliminating hose imprints on vacuum film.

A protective cap for intravenous ports uses a compressible absorbent reservoir to dispense antimicrobial solution onto the device surface.

A vascular access membrane transfers antimicrobial agents through pores while a vacuum source pulls and shears pathogens to reduce CRBSI risk.

A catheter coupling device integrates a protruding guiding edge with a rotatable locking element to facilitate secure connection.

Internal porous material reinforces flexible conduits to prevent collapse under vacuum pressure while maintaining patient comfort.

Asymmetric male screw root geometry prevents latch flattening during repeated connections, ensuring consistent locking reliability.

An annular gap adhesive arrangement in a medical connector activates during insertion to create a nonreleasable bond without requiring additional manual steps.

A connection apparatus uses an asymmetric channel and protrusion to guide mating components into a locked state without precise orientation.

Large bore syringe adapters reduce withdrawal time for viscous drugs by providing improved leverage and flow compared to standard needles.

Breakaway tabs and antiseptic seals on a protective housing prevent tampering and maintain sterility, reducing central line-associated bloodstream infections.

A medical connector uses a flexible diaphragm to control fluid flow and reduce priming volume.

Irreversible locking means maintain U-shaped cavity pressure on collapsible tubes, preventing fluid passage where reusable clamps fail.

Heat meltable polymeric conduit ends fuse via integrated heating elements, eliminating complex assembly steps and reducing waste in sterile medical systems.

A segmented body and biased fluid gate prevent leaks during uncoupling while releasing tubing under complex loading conditions.

A medical connector uses asymmetric geometry to ensure secure fluid-tight connections with compatible components only.

Segmented sealing and directional control resolve the contradiction between leakage prevention and versatile fluid handling in medical systems.

A medical connector uses a colored band to verify correct coupling position through visual visibility changes.

A catheter connector merges the main body and fixing means into a single unit to clamp the tube securely around a tubular pin.

Segmented valve design reduces hose strain and prevents leaks by isolating sealing forces from the tube structure.

Segmented rigid hub and flexible inner tube resolve structural integrity versus articulation trade-offs for precise sealant delivery.

An automatic closing valve on a male luer connector prevents fluid leakage and bacterial contamination when the device remains disengaged.

A closeable male luer connector uses a resilient tubular valve that opens during engagement and closes upon disengagement to contain fluid.

A retractable luer lock collar slides along a tubing fitting to secure fluid connections without complex twisting.

A needlefree valve resilient portion flexes to open fluid pathways and snaps back to seal the device automatically.

A deformable metal sleeve seals flexible tubing under pressure to prevent fluid leakage in sterile environments.