Respiratory Masks TRIZ Cases

An integrated oral cannula stabilizes the tongue while administering oxygen and sedation gases through embedded tubing.

A ventilation circuit synchronizes anesthetic gas delivery with patient expiration phases to prevent dangerous bolus events.

A U-shaped rigid support element secures a patient interface around the back of the head, eliminating forehead straps that restrict vision and irritate skin.

An embedded malleable wire in a hollow body allows the device to bend and conform to nasal cavities, resolving injury risks from rigid structures.

A CPAP cushioning structure uses composite gel materials to distribute pressure evenly, resolving sealing performance issues in nasal masks.

Integrated measuring device differentiates rescue breath airflow from chest compression signals using sensor feedback, enabling precise CPR synchronization.

Textured elastomer straps and decoupled tube drag forces reduce tension while maintaining a stable seal despite patient movement.

Replacing rigid shells with an inflatable support structure resolves the contradiction between mask weight and mechanical stability.

A nasopharyngeal airway system uses a segmented nasal trumpet to deliver oxygen and monitor end-tidal CO2 levels simultaneously.

A heated conduit integrates sensing functions into the delivery wire to measure gas properties directly within the flow path.

A mask with a scattering plate and sampling tube prevents rebreathing and dilution for accurate measurement.

Mechanical retention via grooved head-piece and backstay eliminates adhesive tape skin irritation.

Moderately enriched oxygen delivery reduces compressor energy consumption while maintaining therapeutic levels for COPD patients.

Nested weighted bladders deliver pressurized oxygen to resolve slow delivery speed and bulky storage constraints.

A helical deflector guides air through a compact UV-C chamber to increase radiation dosage.

A magnetic coupling arrangement with a movable shield reduces external field strength when unfastened, preventing pacemaker interference.

Segmented airflow paths decouple the actuation source from patient delivery, resolving contamination risks while maintaining portability.

A nasal cannula design without nostril prongs uses a forehead-mounted discharge port to deliver oxygen.

Heated tubing prevents fluid condensation during prolonged treatment, extending therapeutic effect duration.

Pull-to-tighten strap adjusters secure the mask quickly, avoiding tangled hook-and-latch fabric straps that delay emergency oxygen delivery.

Segmenting nasal and oral seals improves therapy reliability without compromising comfort, resolving contradictions between pressure stability and adaptability.

A compact aromatic diffuser uses a manual bellows mechanism to force air over a felt wicking element for direct inhalation.

An adjustable air entrainment port regulates pressure signals in nasal interface apparatuses for pulse-flow oxygen delivery.

A full-face respiratory mask uses a hermetic seal and single filtered opening to block particles.

A dual fan flow unit with a switchable valve manages rapid airflow transitions to remove airway secretions while reducing production costs.

A nasal gas delivery device uses a scrubber to concentrate therapeutic gases during exhalation, preventing inhalation risks and enhancing treatment efficacy.

Segmented hinged design stabilizes flexible tubing against rolling while UV light sanitizes prongs inside the enclosure.

A cough assist device uses video animations to guide patient breathing synchronization with gas delivery phases.

Airflow direction sensor distinguishes inhalation from exhalation to resolve uncertainty about patient breathing status.

A disposable cloth body replaces rigid frames in nasal CPAP masks to conform to facial contours without mechanical pressure.

Segmented mask design isolates facial tissues from direct heat exposure while delivering high-temperature air to inactivate respiratory pathogens.

A light emitting module and photosensitive module detect aerosol particles via scattered light within a flow channel structure.

Variable Shore hardness in the gel cushion minimizes application force while maintaining seal integrity against tissue damage.

Angled nasal prong orifices redirect airflow away from the septum, reducing air jetting irritation while maintaining respiratory therapy delivery.

A portable nebulization device uses an airflow sensor to detect ventilator breathing patterns and adjust spray frequency automatically.

Embedded repulsive magnets maintain conduit openness and reduce airflow turbulence, eliminating noise from mechanical ribs while preserving patient comfort.

A vapor delivery system directs generated vapor through an interchangeable guide structure to a user's face or surrounding space.

Porous support members channel gas axially through conduits and exhaust it radially, eliminating trapped heat and sweat buildup under the mask straps.

Variable geometry cannula maintains high gas velocity at low flow rates, ensuring effective airway flushing without manual size changes.

Administering supplemental oxygen maintains target partial pressure during exposure to reduced oxygen environments.

Asymmetric airflow channels in the diffusing heat moisture exchanger enhance CO2 washout efficiency while maintaining seal stability and patient comfort.

Closed loop headgear with segmented yoke and side arms maintains seal stability while reducing pressure drop through optimized frame inlet collar design.

Segmented rigidizers impart shape to elastic straps without limiting stretchable length, resolving rigidity versus fit trade-offs.

A resuscitation bag system uses an oxygen-sensitive sensing element to monitor gas concentration in a dedicated chamber.

Disposable bi-resistance cartridges with dynamic valves resolve skin irritation from adhesives while maintaining expiratory back pressure.

A silicone forehead rest with non-uniform thickness creates uniformly increasing force to resolve the sealing effectiveness versus user comfort contradiction.

Segmenting inhalation and exhalation channels prevents contagion spread while maintaining isolated flow paths for treatment efficacy.

Two independent in-line blowers replace proportional valves to eliminate oscillations and leakage while maintaining precise positive end-expiratory pressure.

A detachable replacement element with a mesh portion simplifies maintenance and reduces costs by enabling easy assembly and disassembly.

A breathing apparatus recirculates exhaled platelet-rich plasma aerosol, reducing environmental loss and improving lung treatment efficiency.