Respiratory Masks TRIZ Cases

A ventilator uses fluid columns to regulate peak inspiratory and positive end-expiratory pressures for precise respiratory assistance.

A breathing mask integrates a porous foam member with an elastic body to form a composite sealing surface that conforms to facial contours.

A controllable vent valve stabilizes mask pressure by regulating exhaust flow, reducing swings without increasing noise or bearing wear.

Cannulas deliver oxygen proximal to airways, reducing escape through mask vents and improving treatment efficacy.

A bubble continuous positive airway pressure device adjusts gas pressure using a sliding outer conduit and gear mechanism.

Angled end caps and a stabilizing plate reduce washout to improve carbon dioxide measurement accuracy.

Segmented straps with chin biasing maintain therapeutic pressure while reducing mouth leaks and improving comfort.

A valve integrates electrical power for heated tubes with supplemental oxygen delivery through a unified plunger assembly.

Motor-driven piston canister delivers controlled gas flow through an airway circuit for portable mechanical ventilation.

A nasal cannula uses a sliding track mechanism to attach and detach the intake tube from the prong body.

Beveled sealing edges in a nasal interface improve fit and reduce noise without increasing device complexity.

A gas flow indicator apparatus uses a movable signal means to visually confirm oxygen presence and flow rate within medical delivery conduits.

A respiratory mask uses a transforming pad to create a secure seal against the user's face.

A patient interface cushion rotates relative to its frame to accommodate facial geometry.

Adhesive strips anchor the device to the patient's face while a clip secures the oxygen tube, preventing accidental dislodging during movement.

Concentric inner and outer tubular walls in a dual cuff connector isolate air delivery and auxiliary passages, eliminating tangled separate tubing.

Integrating the exhaust channel into the frame reduces noise and weight, improving comfort for sleep apnea therapy.

A pediatric mask assembly uses a flexible peripheral seal structure to conform to young children's facial contours.

A controller adjusts pressurized air delivery through a pre-sleep profile and bridging transition to therapeutic pressure.

Disposable Venturi meters mix oxygen and air on respirator hoods to eliminate sterilization requirements.

Calibration procedures distinguish intentional unidirectional flow from dislodgement or obstruction, resolving misinterpretation of leak conditions.

A head-mounted positive airway pressure blower integrates a mask and sound deadening materials to reduce acoustic noise during sleep therapy.

Varying pin diameter generates radial forces to press the membrane edge against the frame, preventing liquid ingress while maintaining low air resistance.

A multifunctional applicator valve switches between a stationary high flow device and a portable oxygen source to maintain uninterrupted gas delivery.

Locking claws on the supply unit engage convex portions on the sensor, resolving attachment difficulties that interrupt therapeutic gas administration.

Movable connectors on headgear dynamically adjust tension distribution to maintain a secure seal while accommodating varying facial geometries.

Segmentation and local quality variations in the rigid frame balance mask stability against facial comfort, enhancing compliance.

A non-vented patient interface uses cross-flow gas paths to manage respiratory airflow.

Segmented CPAP mask access portions utilize an elastic membrane to enable finger scratching of facial irritations without breaking the respiratory seal.

A breathing apparatus calculates transpulmonary pressure using end-expiratory lung volume changes and PEEP differences.

An angled sealing flap extends inwardly from a support wall to create a two-plane opening that minimizes upper lip pressure.

Embedded magnets in nasal pillows and headgear urge the seal toward the face, reducing leaks without increasing strap tension.

Nozzles emit low momentum jetstreams to generate positive airway pressure in neonatal respiratory support systems.

Acoustic detection of valve sounds replaces visual inspection, reducing parental supervision time while ensuring correct breathing patterns.