Infusion Devices TRIZ Cases

Spring-loaded clip fastener secures IV manifolds to surfaces, eliminating displacement and contamination risks.

Vascular membrane attaches to feeding arteries to deliver immunosuppressants locally, reducing systemic toxicity and improving graft acceptance.

A safety occluder uses a biased plunger to control fluid flow through an infusion set.

A shared operator interface connects multiple infusion pumps via wireless communication to consolidate control hardware.

A breakaway elastic tether suspends IV tubing to prevent floor entanglement and catheter dislodgement while allowing patient movement.

Resistive patterns on printed circuit boards thermally couple to heat exchangers, resolving slow polymer heating efficiency.

Segmented locking bar rotates to engage opposing housing couplings, reducing assembly complexity while maintaining connection stability.

Rotating clips within a body-worn channel prevent IV line tangling and floor contamination during patient mobility.

Periodic flushing cycles draw back and re-inject infusate to improve mixing efficiency lost during continuous low-velocity delivery.

A universal fitting couples to flexible tubing via internal or external surfaces using adhesive or mechanical retention methods.

Preconfigured geometric parameters in the infusion line enable accurate dosing without complex regulators, reducing manufacturing costs.

Elastic latching elements in this medical fluid coupling replace threaded mechanisms to ensure leak-proof connections without rotating parts.

Tube connector uses a blocking valve to redirect displaced air into the infusion container, preventing toxic aerosol release during venting.

A pinch clamp applies a soft polymer coating to increase friction between the device and plastic tubing for secure handling.

A connector closure cap uses a gas-permeable membrane to vent air during fluid filling.

A telescopic IV stand uses a spring-loaded friction lock to hold the pole at any height without complex mechanical components.

Segmented pump modules enable field service in harsh environments by allowing end-users to replace components without specialized tools.

A fluid connector uses a locking element to enable free rotation between components while maintaining a secure attachment.

A neuromodulation catheter positions therapeutic elements around its distal perimeter to deliver agents directly to renal nerves.

Disposable sterility caps seal medical connectors to block microbes while flexible membranes contain antiseptics, preventing leakage and resistance.

Integrating the tube connector into gripping body side walls prevents sharp bends that cause upstream occlusion and infusion pump alarms.

A disinfecting device with an elongated finger pre-opens female Luer connector slits for reliable mating.

Float mechanism regulates fluid flow in passive start drip chambers, ensuring complete secondary fluid delivery without interrupting primary infusion.

A hinge-based clamp assembly locks a winged needle set to prevent accidental removal and reduce skin irritation from adhesive tape.

A sterile IV tube end cap assembly uses a one-way fastening mechanism to secure the line within a housing.

A sterile hub with a centralized valve assembly manages multiple medication connections, preventing contamination and sequence errors during in-home therapy.

Side ports on a cooled RF probe deliver liquid without removing the instrument, eliminating reinsertion imaging and enabling larger lesion creation.

Integrated tear-off closure element manages ventilation channel switching, reducing device complexity and manufacturing costs for versatile infusion therapy.

Cooling subcutaneous adipose tissue creates a depression that overcomes needle penetration limits in deep vessel access.

Segmented design and dimensionality changes prevent air embolism while ensuring portability.

Non-return valves in each passage duct block reverse flow caused by pressure gradients, ensuring precise dosing without liquid mixing.

Lateral side stops brace the wheeled support against the chassis, eliminating transfer risks and stabilizing serum holders during patient transport.

Breakable security means in a chemotherapy administration device block fluid flow until manual activation, preventing accidental spreading and contamination.

An integrated endoscopic system merges UV light delivery, optical imaging, and fluid suction into a single probe for direct tissue treatment.

Replacing magnetic sensors with an infrared detection system using an IR-transmissive interlock eliminates alignment errors and improves loading reliability.

Flexible valve walls bend to accommodate tapered plugs, resolving sealing effectiveness versus structural strength trade-offs.

A medical line holder uses receiving openings with reduced cross-sections to clamp connecting cables securely.

An autoconnect system uses a motor-driven shuttle and rotating fingers to pierce sterile sealing membranes on fluid tubing.

A clamp apparatus uses a dynamic linear adjustment mechanism to secure infusion poles without continuous knob rotation.

A needleless injection port uses a compression-fit septum seal to prevent fluid leakage and maintain back-pressure capabilities.

A self-flushing valve directs primary medical fluid through an access port internal space to displace trapped air during setup.

An intravenous tubing set integrates a flush chamber and flow control devices to deliver saline directly to catheters.

Encrypted signaling component on infusion sets enables automated device validation and protocol configuration.

A biomaterial injection device uses a spiral follow-up mechanism to track biological tissue motion while an electrode detects electrical characteristics for precise positioning.

Marked crossbars fix IV bag and pump spacing to prevent flow rate inaccuracies from setup errors.

Pivot arm and clamp mechanism secure IV poles to wagon frames, eliminating the need for multiple staff during medical transport.

Cantilevered arms in a universal bracket secure catheters, eliminating skin irritation and infection risks from tape removal.

Segmented IV poles merge with wheeled bases to eliminate bulky permanent attachments, reducing staff strain during patient transfers.

Segmented sealing surface with conical inner lip prevents product leakage during pressure surges while allowing thorough cleaning without disassembly.

Protrusion displaces lock solution to retain antimicrobial on catheter threads, preventing bloodstream infections.