Infusion Devices TRIZ Cases

Segmenting the coupling member into distinct diameter portions prevents radial deformation during fixing, eliminating gaps that cause needle tube wobbling.

Processor compares infusion regimen units of measure, generates warnings for discrepancies, and holds initiation in abeyance to prevent titration errors.

A nanochannel delivery device releases therapeutic agents through a multilayered structure.

A microlumen diverter valve enables simultaneous IV infusion and blood withdrawal through a single catheter.

A calculation program converts non-integer drip rates into integers for display.

A molded nest coupled to a flexible anchor base secures medical lines in a vertical position for home dialysis systems.

Telescopic segments and nesting mechanisms allow the portable elevator device to switch between compact transport and stable clinical support configurations.

Parallel lower-speed impellers in a modular docking unit reduce shear stress and thrombosis risk while maintaining pumping capacity.

Rotating inner tubes within a coaxial catheter assembly aligns side ports to adjust infusion length without sliding components that risk sterility.

A catheter device integrates rotary and bending operation sections to precisely position the distal tip.

A priming device uses a bellows valve to release trapped gas from fluid lines.

Telescoping poles extend concealed medical devices from aesthetic housings to resolve patient comfort versus accessibility contradictions.

A sealing cover delivers antimicrobial composition to the proximal end of a transdermal catheter.

A multiport IV delivery device accommodates simultaneous medication infusion through independent inlet ports.

A fluid delivery manifold connects a low pressure hand syringe and high pressure power injector through series stopcock valves.

Segmented spiral slits reduce back pressure and recoil forces during high-rate infusion.

Hollow spherical body surrounds injection ports to block contaminants while allowing controlled fluid delivery, reducing healthcare-associated infections.

Pre-filled degassed saline system with capping manifold eliminates manual bubble removal and reduces arterial gas embolism risk during angiography.

A port tunneling system delivers a vascular access device through one incision using an adapter and release mechanism.

Bellows in a fluid connector assembly decouple under external force, sealing paths to prevent patient injury.

Analyte detection system measures venous hemoglobin concentration using transmission spectra analysis to estimate cardiac output via the Fick principle.

A medical connector uses a check valve in the housing to prevent reverse fluid flow during collection.

Segmented anchor pads and disposable retainers reduce contamination risks while maintaining catheter stability.

A self-priming intravenous delivery system uses a bubble isolation membrane to separate gas from liquid flow within the drip chamber.

Segmented hook and loop fasteners organize medical lines on a support strip, preventing entanglement during patient mobility.

Segmented flow channels and a controlled stopcock isolate hazardous drugs from priming solutions, preventing leakage risks.

An integrated radiopaque shield on a perfusion bottle limits personnel irradiation exposure during radiopharmaceutical handling.

A universal connector attaches mobile medical equipment to patient transport platforms using a self-adjusting clip assembly.

Segmented reusable electronics and disposable conductive tubing enable precise temperature control while simplifying manufacturing.

A reservoir connector assembly merges inlet and outlet functions into a single port using nested extensions with apertures.

An automatic relay pump system uses pressure sensing and reverse pumping to manage fluid transitions between medication containers.

Urethane-coated silicone rubber tubing reduces gas permeability in peristaltic IV sets.

A dynamic tube retainer transitions from free flow to retention state, resolving tangling and accidental removal of medical tubes during patient mobility.

A tubular fitting houses coaxial male and female connectors with unidirectional ratchet coupling for secure medical fluid line attachment.

UV curing eliminates high-temperature processing, enabling standard thermoplastics in multi-component medical valve production.

A fluid connector assembly uses a snap member and compressible bellows to decouple when external force exceeds a threshold.

A single-use medical item includes an integrated marker to enable automatic identification by connected devices.

Polyurethane catheter impregnated with nitric oxide releasing compounds and chlorhexidine reduces bloodstream infection risks.

Styrene butadiene block copolymer composition achieves heat stability and softness for medical drip chambers, avoiding plasticizer migration.

A low-profile intravenous fluid bag hanger uses a double-sided carabiner and rotating handle for one-handed operation.

A flexible valve structure transitions between compressed and expanded profiles to control fluid direction.

A multifunctional surgical instrument integrates a fluid chamber and temperature controller to deliver heated or evaporated fluid for tissue treatment.

A catheter flushing kit uses distal-to-proximal liquid flow to remove air bubbles from the lumen.

Segmented hollow needles with vent channels equalize internal pressure to prevent liquid backflow and maintain sterility during container emptying.

A glass throttle uses an Archimedean spiral design to control fluid flow within implantable medical devices.

Protrusions in the ferrule allow plate tilting to resolve manufacturing irregularities and ensure precise parallel alignment.

A radial notch creates a weak point in the IV spike body, reducing force needed for disposal and minimizing injury risk.