Tube Connectors TRIZ Cases

Segmented aligning ribs and holding lugs orient the reservoir to prevent misalignment, resolving leakage risks during patient self-administration.

Segmenting the resilient valve from housing positioning prevents service life loss, reducing liquid residue accumulation in medical connectors.

Rotational tool with shaped apertures engages intravenous connectors, reducing manual effort for users with limited dexterity.

Segmented boundary portions eliminate gaps that cause abnormal locking, resolving the trade-off between connection reliability and manufacturing precision.

Segmented resilient walls articulate on a main body to increase retaining force, preventing accidental detachment during transport.

Heated mandrels form internal beads in EVA conduits, resolving material extraction issues during ring formation.

Segmenting the distal connection zone from the proximal locking thread removes cleaning obstacles while maintaining secure engagement.

Glow-in-the-dark enteral feeding tube ports enable caregivers to identify gastric and jejunal connections in dark environments.

An enteral connector uses a one-way air valve to admit ambient gas, preventing negative pressure that would otherwise suction gastric contents into the syringe.

Open needle bores enable uniform intradermal delivery, eliminating deep penetration and reducing procedural pain.

Smooth curved jaws on both tube holders let tubing slip through clamps, reducing back pressure and minimizing compression area during fluid stripping.

Locking tabs on the graspable portion engage the coupling portion to prevent accidental disconnection during user movement.

UVC radiation activates silicone tube surfaces for sterile, adhesiveless connections that avoid the stickiness caused by heating.

A waste transport device uses an inflatable retention cuff to maintain position within the rectum.

Pressure-activated resilient valve opens via male luer insertion, preventing backflow while maintaining full internal bore diameter for standard fluid exchange.

A cathlock mechanism with a collet lock compresses the catheter onto a stem to form a secure fluid-tight seal.

A lateral tubular fitting uses a compliant diaphragm to open upon male luer introducer insertion.

Segmenting locking and screw functions prevents spontaneous loosening while maintaining standard Luer-Lock compatibility for safer manual operation.

Radial teeth engage catheter outer surfaces to secure connections and prevent tissue trauma during vascular access assembly.

Elastic seal forms a sealed cavity with the needle to reintroduce fluid volume upon disconnection.

Transverse passages create unrestricted flow paths while ratchet locks prevent disengagement.

A monoblock connector exerts radial compression on tubing to prevent high-pressure leaks at the junction.

Segmented primary and secondary drive mechanisms in a medical closure assembly prevent reconnection after initial use.

A tamper-evident lock secures peripherally inserted central catheter injection ports using sliding housing halves and a destroyable fastener.

A releasable coupling device uses resilient spring clips to connect medical line valve assemblies for fluid transfer.

Collapsible elastomeric columns in a split septum reduce penetration force during insertion while rebounding to prevent negative pressure.

A welding apparatus uses movable holders and aligning plates to join thermoplastic tubing ends.

Dual sealing elements and abutting flanges maintain structural stability, preventing leakages caused by resilient valve dislocation over time.

A male luer connector features a rotating locking collar that deforms to maintain engagement with female threads.

A medical valve connector uses a barrel-shaped elastic hollow element with differentiated radial thickness to achieve firm fastening against a hollow spike.

Segmented housing walls allow complete breakage, preventing hemolysis and contamination in medical fluid processing.

Facing surfaces rotate and compress thermoplastic tubing segments to mechanically disrupt the connection site, restoring fluid flow while maintaining sterility.

A heating blade integrates a thermochromic coating to visually track heat-sealing operations and prevent reuse of worn components.

An integrated cap-hub unit eliminates separate components to resolve compliance reliability issues while maintaining disinfecting effectiveness.

An external fluid connection passage routes flow outside the receiving recess, preventing contamination and clogging during catheter disconnection.

A connector cap uses a shaped keyway to guide female fittings into correct alignment.

Longitudinal adaptor movement compensates for premature connector abutment against the distal face, ensuring secure fluid path integrity.

A fluid connector secures an infusion base while shielding the steel cannula.

Resilient compression tubes in a needleless medical connector expand to block the valve stem, preventing medication leakage upon dosing unit removal.

Oblique and parallel arm portions distribute bending forces, reducing manual locking effort and preventing premature breaking.

A medical valve connector prevents uncontrolled opening by maintaining axial coupling through friction between luer cones when the threaded fitting unscrews.

Asymmetric coding stops on male connectors block incompatible female units, resolving interchangeability risks.

Movable receivers bring clamped tube ends into contact to form integral bonds, reducing system complexity while increasing the number of connections formed.

A multi-use heating blade uses a non-stick coating to prevent molten thermoplastic adhesion during heat welding operations.

Tape advances hollow connectors to mate, resolving automation and contamination trade-offs in sterile fluid transfer.

Small passages in a medical connector allow sterilizing gas to contact internal surfaces, resolving leakage and sterility trade-offs.

A medical tubing connector uses a discontinuous connecting portion to allow fluid drainage between mating interfaces.