Respiratory Masks TRIZ Cases

Integrated sensors in PAP therapy detect bruxism and adjust pressure settings in real time to maintain airway patency in OSA patients.

Integrated moisture-extraction parts drain and evaporate condensed water from the gas cavity, improving ventilation safety and reducing staff intervention.

Pressure sensing triggers automatic BVM bag compression in sync with patient breathing, reducing operator fatigue and unsafe mask pressures.

Flow-resisting air inlets and a multi-aperture nozzle limit ambient air entrainment, raising mask oxygen concentration while reducing jet noise.

Negative airway pressure therapy exercises the oropharynx to build muscle tone and reduce upper airway collapsibility in OSA.

A taper lock, retaining clip, and cross bar stabilize CPAP mask fit, improve sealing, and reduce vision obstruction.

Flow and pressure perturbations reveal condensation in a respiratory conduit, enabling heater and humidity control to prevent water buildup.

An arched upper headband keeps a respiratory mask stable on the head while preserving planar manufacture, improving comfort and lowering complexity.

A modular clip, buckle, and manifold layout repositions gas tubing securely to reduce patient pressure and simplify interface adjustment.

Selective fused and unfused headgear zones secure neonatal respiratory interfaces while spreading pressure to reduce skin and tissue damage.

Inlet temperature feedback adjusts humidifier output to limit rainout in respiratory tubing while maintaining therapeutic humidity.

A silicon-containing bonding layer joins thermoplastic moldings to substrates to resist delamination in humid, high-temperature respiratory components.

Removable bridge regions and adjustable crown straps let breathing interface headgear be reconfigured quickly for better comfort and stability.

Expandable headgear tubing improves CPAP mask fit and sealing while staying compact for storage, cleaning, and patient comfort.

A shaped rear panel with laterally inclined arms balances mask comfort and seal support with lower material waste for disposable respiratory headgear.

Stopper ribs inside the plenum chamber limit mouth-seal compression, reducing leaks while keeping nasal sealing and therapy pressure stable.

Coaxial cushion insertion and direct fastening improve nasal mask sealing, positioning, comfort, and cleaning with fewer leaks.

Segmented elastomeric sealing zones improve nasal fit, reduce leaks, and maintain therapeutic pressure with better patient comfort.

Soft headgear and adhesive-supported nasal seals maintain PAP sealing without frames or clips, improving comfort and treatment adherence.

An annular exhaust passage around the elbow disperses respiratory gas to cut mask noise and avoid blowing airflow toward the bed partner.

Separate chambers, spaced inlet and flow tubes, and a U-shaped air path cut RPT noise while keeping therapy compact and comfortable.

Frequency-domain analysis of blower sound detects respiratory device deterioration early, improving comfort and reducing servicing costs.

Continuous high-flow oxygen via nasal cannula maintains saturation and limits CO2 buildup during difficult airway intubation.

An elastic diffuser housing with non-linear flow paths muffles CPAP exhaust noise and resists moisture blockage while staying comfortable.

A passive expansion chamber plus active cancellation splits snoring noise by frequency to widen reduction bandwidth without adding bulk or power.

Modular vapor delivery lets researchers test multiple animals or drug concentrations while maintaining reproducible blood levels and lower handling stress.

A rolling hinge lets the nasal seal pivot and spread load away from the bridge while maintaining a secure positive pressure therapy seal.

A detachable mask and extendable suction body clear airway obstructions while one-way valves help limit harmful negative pressure in emergencies.

Extendable concertina gas tubes with ridge connectors help CPAP headgear maintain a secure seal without increasing discomfort or obtrusiveness.

Varying flexibility and localized compensation regions help a nasal cannula stay positioned during facial movement while maintaining therapy delivery.

An elastomeric yoke with angled walls and a C-shaped channel improves mask fit stability, comfort, and airtight sealing across facial shapes.

Modular cushion and frame seals plus flexible headgear improve CPAP mask fit, reduce leaks and noise, and prevent misassembly.

A welded textile composite mask uses zoned rigid support and soft sealing surfaces to improve CPAP fit, comfort, and seal integrity.

A textile conduit with sealing layers and flexible reinforcement cuts noise and intrusiveness while maintaining airtight respiratory pressure delivery.

A viscoelastic foam tissue interface conforms to anatomical variations to maintain negative-pressure sealing, improve comfort, and reduce leakage.

A branched ventilation hose uses nonreturn and adjustable valves to ventilate multiple patients from one unit with separate flow and pressure control.

Segmented emission channels with shaped subchannels suppress exhalation noise and unwanted airflow in sleep therapy masks.

Partitioned vent slots and deflectors guide exhaled airflow to cut noise and disturbances while maintaining effective respiratory therapy washout.

Rotatable prongs and secure fastening improve nasal fit, maintain gas flow, and reduce irritation during high flow respiratory therapy.

Prong electrodes use nasal skin resistance to detect cannula dislodgement, helping prevent oxygen leaks, fire risk, and sleep-time wear failure.

An external sensor at a tube coupling sound port identifies patient interfaces and monitors breathing without adding complexity at the mask.

Extendable concertina gas tubes with ridge connectors help patient headgear keep a comfortable, stable airway seal during sleep.

A detachable suction mask uses one-way valves and an extendable tube to clear airway obstructions while improving portability and safer emergency use.

High-drag vent passages with bends and textured surfaces diffuse exhaled air to improve patient comfort and make the exhaust easier to clean.

Real-time flow-rate correction helps a CPAP maintain target mask pressure during inhalation and exhalation disturbances.

Flexible engaging rods lock the mask body to the rigid frame, preventing detachment and relative movement during head rotation.

A pneumatic cycler and bi-level regulator deliver alternating respiratory pressure without continuous electricity, simplifying care in low-resource settings.

Active suction and catalytic decomposition clear residual ozone from ventilators, hoses, and masks after sealed-space disinfection.

A fabric-lined CPAP cushion absorbs sweat and oil to reduce skin irritation while maintaining a secure seal for mouth and nose breathing.

Flexible sealed sleeves create airtight instrument access at patient orifices, containing aerosolized viral particles during surgery.