Respiratory Masks TRIZ Cases

Pulsed purple light inactivates microorganisms via photoexcitation while preventing tissue damage from high irradiance.

A respiratory mask upper part incorporates a hollow space filled with filler material to adjust wall thickness and rigidity.

A flexible gas conduit integrates a semi-permeable membrane and wick to deliver water vapor into the breathable gas stream.

Segmented cushion zones with varying resilience resolve the adaptability-reliability contradiction, preventing gaps at sharp nose bridge contours.

Dynamic pressure adjustment based on 0-25 Hz frequency analysis resolves the trade-off between treatment efficacy and patient comfort during sleep.

Respiratory monitoring system measures patient inspiratory flow rate to adjust oxygen delivery parameters.

Removable filter tube channels exhalations through a pathogen filter element, reducing contamination risk while mitigating pulmonary barotrauma.

A partitioned nozzle detects respiratory gas flow to synchronize nebulization with breathing while protecting sensors from water damage.

Color-coded markers on frame and cushion components combine to form a distinct visual indicator, resolving misalignment risks during reassembly.

A tubular tank holds an immersion tube stuffed with a hydrogen generating agent package that reacts with water to produce hydrogen gas.

A nasal inhalation therapy appliance uses a ventilation tube and aerosol generator to deliver medicaments via controlled pressure support.

A flexible respiratory nosepiece uses stepped side port channels to connect tubes of different diameters while maintaining low internal volume.

Replacing mechanical clips with magnets, this design maintains an airtight seal integrity during use while enabling effortless cushion replacement by users.

Segmented flaps with internal voids provide controlled deformation, resolving the trade-off between structural support and seal reliability in CPAP interfaces.

Comparing vent flow resistance between sessions identifies component replacement needs, preventing therapy efficacy loss from worn seals.

Abutment structures on a hollow curved connector sandwich a front piece against a mask body, preventing gas leaks from incorrect patient assembly.

Segmenting the oxygen tube from the face-hugging mask eliminates gaps that allow unfiltered air entry while preventing ear pressure injuries.

A head strap positions cylindrical clips connected by a cross member to hold tubing loops, eliminating ear pressure and preventing foam rollover.

A porous liner absorbs facial moisture and oils, reducing air leaks and pressure marks while maintaining seal integrity.

A ventilator frame assembly uses a hollow tube to distribute headgear force evenly across the face.

Phase-synchronized electronic valves isolate diagnostic breath portions, improving VOC analysis precision while reducing device complexity.

Portable mounting panel with oxygen flow regulators distributes gas to multiple patient beds via a single pipeline, eliminating frequent cylinder changes.

Segmented headgear with ultrasonic welded neck straps reduces material waste and manufacturing complexity while improving patient comfort.

Keyed buckles prevent rotation while rigid strap elements stabilize the mask against displacement during patient movement.

A nebulizer adapter circulates heating fluid through a cavity to warm the gas mixing chamber and prevent moisture buildup.

Embedded color-changing indicators in a patient interface track material degradation, enabling accurate replacement timing without complex electronics.

A patient interface integrates a heat and moisture exchanger within the plenum chamber to adsorb water vapour from exhaled gases.

Flexible conical muzzle design resolves compactability trade-offs by enabling portable, visually verified oxygen delivery for service dogs.

Piezoelectric nebulizers eliminate ice cooling requirements and bulky compressors, enabling portable vaccine delivery in resource-poor settings.

A nasal pillow mask integrates a poka-yoke coupling system with a magnetic connecting mechanism for secure cushion attachment.

A sponge-like humidifying element clips onto nasal cannula prongs to deliver moisture-permeable air, preventing mucosal ulceration and epistaxis.

Rotating joints prevent tube bending to maintain airflow while the universal design eliminates separate components.

Removable tape backing allows quick application and replacement of adhesive seals, eliminating manual pressure requirements during CPR.

A nasal adapter integrates a mouth exhalation guide with a base portion via a cuttable connection for detachable assembly.

A gas flow indicator uses a whistling mechanism to generate audible signals confirming oxygen delivery status in medical equipment.

A respiratory device measures lung impedance via pressure pulses to assess airway clearance therapy efficacy.

Non-circular manifold openings distribute contact pressure over a larger area while the elastic rotational coupling absorbs external forces.

A piezoelectric monomorph cantilever deforms to actuate an expiratory valve, resolving rigidity versus downsizing trade-offs.

A resuscitation bag integrates a PEP exhaust valve to manage gas pressure during thoracic compressions.

Ear-plugging frame eliminates ear pain from elastic bands while maintaining fixation stability.

A cushion member uses a mechanically bonded silicone layer to create a secure gas seal while maintaining patient comfort.

Elastic bands floatably couple a patient interface device to a frame body, accommodating user movement during sleep without disturbing the facial seal.

Adjustable valve assemblies in the face mask restrict inhalation airflow to simulate altitude training conditions.

A swivel connector uses a rotatable internal component to maintain secure tube attachment while allowing free rotation.

A breathing air supply fastening device integrates contactless vital parameter sensors to measure heart rate and respiration without skin contact.

A patient interface strap forms a plenum chamber to hold the seal-forming structure in position.

Asymmetric angular interlock geometry compensates for polypropylene shrinkage, preventing binding and leakage in breathing therapy conduit swivels.

A gas flow indicator device uses a pressure-actuated concealment member to expose a visual signal through a viewing window.

A bubble continuous positive airway pressure system uses a submerged water column to regulate therapeutic airflow and pressure for infant respiratory support.

A semi-rigid headgear frame uses a releasable connection system to attach medical gas interfaces without adhesive tapes.