Respiratory Masks TRIZ Cases

This case uses a profiled water-retaining wick, zoned heating, and a longer airflow path to improve response and compactness.

A soft one-piece pediatric nasal mask uses a rigid polymer connector to improve gas tightness and prevent disconnection.

Voice, mouth-breathing, and usage signals guide adaptive humidifier and CPAP settings to alleviate congestion during therapy.

Thin nostril sheets and removable magnetic posts maintain an airtight fit, helping prevent dislodgment during sleep.

Visual identification shows when the sealing lip compresses correctly, balancing face comfort with inhalation-mask tightness.

A curved elongate member and flexible straps anchor the mask below the nose, reducing pressure points and mask displacement.

A flow-sensing ventilator adjusts actuatable valves to limit tube-system pressure without interrupting high-flow therapy.

This case combines elastic sealing with a foam or textile annular layer to improve facial conformity, comfort, and seal retention.

A conformable coupler and cradle align the CPAP humidifier, preserving air sealing and thermal contact across manufacturing tolerances.

A rotatable valve body and gear adjust gas apertures to balance oxygen concentration with consistent respiratory flow.

A low-dead-space manifold and facemask use check valves and a reservoir to deliver oxygen during spontaneous breathing.

A cheek-adjacent arm and posterior head strap secure the patient interface while improving comfort and ease of use.

A resilient outer textile layer conforms to facial contours, helping maintain a stable seal while reducing patient-interface discomfort.

Independent hinged cushion regions adapt to facial contours, reducing nasal bridge and chin pressure while limiting mask leakage.

A removable cushion and supportive frame simplify cleaning and fitting while maintaining facial sealing and therapeutic pressure.

A proximal nebuliser and distal vaporiser humidify respiratory therapy air while reducing air-circuit heating and condensation.

Flexible sleeves and instrument seals contain aerosolized particles during surgery.

This smart mask automates EBC condensation, fluid transport, and electrochemical sensing for continuous respiratory monitoring.

Asymmetric nostril prongs conform to natural anatomy, reducing discomfort while maintaining effective seal reliability.

Color changing dual flap exhalation valve confirms proper usage without adding mechanical complexity, preventing medication deposition in the mouth.

A nasal mask assembly uses a stiff headgear strap and swivel elbow to maintain seal stability.

A feedback apparatus attaches to inhalers and uses a feature assigner to identify device types for tailored user guidance.

A vortex tube generates cooled breathable gas delivered via a nasopharyngeal interface to lower brain temperature without moving parts.

Sequentially arranged support rings anchor ventilation tubes inside the nasal cavity, eliminating headband displacement and ensuring stable patient comfort.

Bi-directional fans circulate vaporized sterilants through mask passages to eliminate pathogens without damaging sensitive electronics.

Merging multiple sensors into one cuvette eliminates dead space volume to prevent CO2 rebreathing in preterm patients.

A 3D patient interface selection system matches facial geometry to device models for accurate fit scoring.

Scissor mechanisms and fluid chambers counteract tube drag forces to prevent seal leaks during patient movement.

A full-face patient interface uses a stopper rib to stabilize the seal-forming structure against anterior compression.

Flexible side skirts on a nasal probe deform under gas pressure to maintain position, eliminating mucous membrane trauma from tight retaining laces.

Integrally molded flexible lip and retaining features enable easy disassembly for cleaning while maintaining a compliant, leak-resistant seal.

A portable ventilator uses a processor and pressure sensors to deliver adaptive respiratory support.

Segmented protective covers with dynamic sealing interfaces enable ventilator reuse in NRBC environments by preventing contamination ingress during operation.

Thickened mask seal transition prevents eye exposure by blocking gas escape through localized structural reinforcement.

An inflatable cloth mask replaces rigid frames with pneumatic sealing, eliminating excessive chin pressure while maintaining air tightness.

A nasal cannula body includes an element responsive to forces or movements experienced by a first region of the patient interface.

An optical emitter and filter pair enables wireless component identification within pressure support systems.

Adaptive servo-ventilation and periodic biofeedback reduce sleep disturbances while maintaining airway patency during respiratory pressure therapy.

A multi-port medical mask merges gas flows into a single mixing area before patient administration.

A computing device monitors user interaction data to determine alertness levels and alters message presentation accordingly.

Float assembly with apertures guides breathing gas over water, preventing liquid ingress into the main housing during tilting.

Sliding adjustment in headgear resolves seal stability versus patient comfort by enabling dynamic repositioning for even pressure distribution.

Segmented side-mounted conduits with louvers direct oxygen to the airway while eliminating face-covering discomfort and claustrophobia.

An integrated scavenger valve in a cup-shaped mask directs exhaust gas into a vacuum hose, preventing re-inhalation and environmental contamination.

Pneumatic inflation of a transparent shell replaces rigid structures, resolving weight and comfort trade-offs in patient ventilation.

Multi-axis mask rotation via a ball-and-socket coupling arm resolves hinge-torque issues and eliminates manual holding during respiratory therapy access.

Separate ventilation and mucus clearance circuits prevent bacterial contamination while maintaining continuous positive pressure breathing.

Segmented foam laminate and hydrophilic caps reduce heat retention while maintaining a secure fit during non-invasive ventilation therapy.

A ventilator housing integrates a semi-enclosed sound-damping box with an elastomeric seal to isolate blower noise.

Color and geometric coding on head harness holding arrangements prevent user confusion during fitting, ensuring secure attachment without mechanical complexity.