Respiratory Masks TRIZ Cases

Blower speed oscillation and pressure sensing estimate breathing flow and volume, removing extra sensors and a separate generator pump.

Gradual PAP mode switching with adjustable default parameters helps reduce sleep disturbance while keeping therapy changes systematic.

Inside-curve turbulation elements limit flow separation in curved nasal cannula prongs, cutting resistance and noise while improving gas delivery.

Flexible blower suspension and connector anchoring cut RPT noise while preserving stable positive-pressure air delivery.

A segmented elastic and non-elastic headgear balances sealing force during respiratory therapy to reduce leaks, discomfort, and readjustment.

Nested filter compartments and a sealed valve module cut pressure drop, block liquid and particulate ingress, and simplify replacement.

Flexible textile conduit with reinforcement and an air-impermeable layer cuts CPAP noise and discomfort while preserving airflow integrity.

A directional lock balances elastic and non-elastic headgear forces to reduce mask leaks, blow-off, and cannula dislodgment.

Conductance-based monitoring tracks pressure and flow changes to detect respiratory circuit disconnections despite leaks and varied patient conditions.

Elastic and inelastic headgear with a sliding connection improves mask sealing, comfort, and side-sleep stability while reducing leaks.

A folded exchanger between separate inspiratory and expiratory channels recovers heat and moisture while limiting rebreathing and humidifier size.

A co-molded rigid frame and soft cushion improve CPAP mask seal stability and comfort without a forehead support.

A resilient strap indicator alerts when mask tension exceeds a safe limit, preserving seal quality while reducing skin damage.

A layered sponge, elastic, and fabric mask structure improves facial sealing while reducing skin irritation, slippage, and pressure marks.

Sensors and adaptive fitting keep a respiratory mask sealed across face shapes, reducing leaks, discomfort, and therapy disruption.

A two-body breathing circuit connector uses lever retention, sealing, and alignment features to resist separation and keep respiratory therapy delivery stable.

Constant-diameter paired lumens and a separated-flow nosepiece cut cannula noise, flow disruption, heat loss, and liquid formation.

Non-uniform vent hole angles disperse respiratory exhaust to cut noise and air drafts while keeping the patient interface compact.

An expanding gas passage and water-absorbing tube structure cut pressure drop in humidified breathing circuits while improving patient comfort.

Isolated dry air and saline streams cool nasal turbinates by evaporation to relieve migraines while limiting tissue desiccation.

A rotating valve and blower generate oscillating positive and negative airway pressure without extra pumps, reducing respiratory device size, weight, and cost.

A textile seal with compliant and rigidized regions improves CPAP mask fit, comfort, and pressure retention while reducing leakage.

Physiological sensing adjusts pressure range and change rate by sleep stage to reduce awakenings and discomfort during respiratory therapy.

A nose-mounted HME uses a frame, cradle, and moisture-retaining material to deliver therapy pressure with less discomfort, leakage, and noise.

A controllable heater and HME recover expiratory moisture to humidify CPAP airflow, improving comfort and patient compliance.

A circular nozzle-adapter seal and core path help a nasal sprayer resist internal pressure and reduce liquid leakage during spraying.

A textile composite nasal mask with polymer seals and welded joints improves CPAP comfort, fit, and sealing across varied facial shapes.

An adaptor places nebulized medicament beside the nasal prong so breathing gas entrains the aerosol, improving delivery while limiting nasal blockage.

A resilient nasal seal uses transition fillets and tapered prongs to resist inversion, improve handling, and keep a secure CPAP fit.

Partitioned vent slots and deflectors cut noise and disruptive air jets while preserving CO2 washout and therapeutic pressure in respiratory therapy.

End-tidal feedback control enables repeatable intermittent hypoxia dosing while independently regulating oxygen and carbon dioxide.

Flow and pressure perturbation analysis detects water in a respiratory conduit, enabling targeted heating to limit condensation and protect therapy delivery.

Non-parallel headgear frame branches enable independent strap adjustment, improving facemask seal and comfort across facial asymmetries.

Slot-shaped vent outlets and adjustable occlusion reduce exhalation noise and discomfort while preserving therapeutic pressure in patient interfaces.

Side-mounted tubes and a flexible cushion help a pediatric respiratory mask keep a stable seal with less drag, pressure, and visual obstruction.

An overmolded conductive reservoir base improves heat transfer to humidifier water while containing sealing material to reduce leakage risk.

Exhalation resistance raises airway pressure and oxygen saturation without oxygen tanks or conscious pursed-lip breathing.

Sensor-guided heating stabilizes nebulized aerosol temperature and droplet size without directly heating the vessel or degrading the active substance.

A textile sleeve around the gas delivery tube improves facial comfort while keeping mask positioning stable and the seal effective.

Laterally redirected exhaled gas, a deflector, and a diffuser cut mask noise and discomfort while preserving seal and therapeutic pressure.

A variable-resistance dual-flow path boosts dead space flushing and gas exchange while reducing interface pressure, discomfort, and skin breakdown.

Adaptive treatment gas flow stabilizes the airway, then raises lung inflation to activate stretch receptors and lower blood pressure.

By moving temperature sensing outside the airflow path near the machine end, this tube cuts wiring, improves flexibility, and stabilizes heating control.

High-drag exhaust passages diffuse exhaled air away from the patient while modular vent construction makes CPAP interface cleaning easier.

A tensioned nasal-bridge sealing flap and stabilizing cushion zones reduce leaks and facial pressure across a wide fit range.

A deformable insert inside an inflatable patient-interface seal cushions facial pressure while maintaining gas sealing at low inflation pressures.

Real-time airway feedback adjusts PAP pressure breath by breath to keep the airway open while reducing discomfort and improving adherence.

Dual coupling strengths keep the ventilation mask secure during use while allowing faster, lower-force removal for better comfort.

An angled gas inlet, adaptive seal assembly, and yoke headgear improve mask stability, comfort, and airtight CPAP therapy delivery.

Toroidal pulsated airflow maintains upper-airway pressure without a tight CPAP mask seal, improving comfort and reducing pressure loss.