Respiratory Masks TRIZ Cases

Mask assembly uses flapper valves to direct exhaled air through the nose while maintaining continuous positive airway pressure.

An elastic deformable portion connects the mask frame to enable automatic forehead support adjustment for varying patient anatomies.

A nasal clip uses heat-sensitive plastic to volatilize infused medicants through body temperature.

Venturi valves mix compressed oxygen with atmospheric air, preventing hyperoxia risks during neonatal transport.

A processor analyzes breathing pressure to synchronize oxygen delivery with inhalation phases.

A dry powder delivery device uses a gas source to suspend medicament powder for inhalation.

A medicine tank cover detection unit verifies ultrasonic nebulizer mounting via air duct adjacency.

Merging a rigid substrate with a foamed sealing lip eliminates assembly steps and reduces pressure marks on the face.

Segmented mask bead lips adapt to tubes and facial contours, preventing leakage and pressure sores during use.

A ventilator system estimates patient airway flow using remote sensors and a feedback mechanism to compensate for tubing resistance.

A nasal cannula manifold uses a septum-like structure to separate inlet and outlet gas channels.

A portable retractable oxygen tubing reel uses a manual handle to wind flexible conduit around an inner cylinder.

Stepped profile open tube whistle produces acoustic feedback for correct fluid flow rate, resolving device complexity trade-off.

A sizing gauge measures nasal envelope and upper lip protrusion to determine appropriate mask size.

Mobile application captures facial images to measure dimensions and recommend mask sizes, eliminating professional sizing requirements.

Exhaust air hoses insulate intake lines to recycle moisture, eliminating dryness and condensation without extra power.

An annular shell ventilator employs a slit-shaped air outlet to boost pressure and volume without raising rotor speed, reducing energy loss and noise.

LED arrays in capnograph gas tubes create illumination patterns indicating breath parameters, resolving the bottleneck of complex waveform interpretation.

Threaded adjustment knob engages ridges on the frame connector to provide indexed incremental positioning, reducing facial pressure points.

Augmented face sketches display exaggerated facial features to help patients visually match their anatomy with appropriate CPAP masks.

An asymmetric interface pillow conforms to the nasal septum to maintain a comfortable seal, reducing air velocity and turbulence that cause discomfort.

A nasal cannula integrates oxygen delivery with passive positive expiratory pressure via automatic inhalation and exhalation flap valves.

A double-Y frame structure enables controlled flexing to accommodate diverse facial geometries in patient interface devices.

Integrating one blower with rotary valves reduces component count while maintaining independent pressure control for respiratory therapy and comfort.

A nebulizer tubing port delivers aerosol only during inhalation, preventing medication loss into the atmosphere during exhalation.

A flexible silicone nasal interface conforms to patient anatomy to maintain a secure gas seal during inhalation.

Segmented receiving means on a single coupling element resolve the complexity trade-off by enabling individual patient adjustment without additional mechanisms.

Corrugated elastomeric inlet prevents kinking during patient movement, reducing gas flow interruptions.

A nasal mask frame uses dedicated vent channels to manage airflow and reduce operational noise.

An integrated pressure relief device uses an umbrella valve and porous dampener to vent excess gas, preventing barotrauma and reducing noise irritation.

A resuscitation system uses a check valve to direct oxygen flow from the bag toward the patient mask.

Dynamic pressure control via demand and relief valves resolves the trade-off between airway patency and exhalation comfort in CPAP therapy.

Segmented vent passages trap water droplets to prevent blockage while maintaining therapy pressure and reducing noise during sleep.

A respiratory mask holding arm features a detachable distal portion molded integrally with the proximal section to adjust effective length.

Microphones detect upper airway obstructions through acoustic impedance changes, enabling dynamic pressure adjustment for obstructive hypopnea events.

A ventilator adjusts pressure support using a servo loop to maintain target alveolar ventilation.

A ventilation mask integrates a piloted exhalation valve to manage patient-expired gas flow within the circuit.

A respiratory mask uses a support frame to compress an annular seal against the face.

A gas washout vent uses a diffusing member and blocking member to redirect exhaled CO2 flow.

A nitric oxide delivery system employs a bi-directional flow sensor to compensate for high frequency ventilator pressure variations and ensure accurate dosing.

Contoured elastomeric mask minimizes dead space and agitation via visual seal feedback.

A ventilator system adjusts air delivery based on detected mask size to synchronize chest compressions with artificial respirations.

A transparent face mask integrates a hole punch assembly to create perforations for sample collection.

Breathable channels in a CPAP muffler disperse gas flow to eliminate whistling and prevent carbon dioxide re-inhalation.

A respiratory therapy device unlocks alternative modes based on patient usage information and provider input.

A pivoting elbow connector decouples forehead support adjustment from the mask cushion position.

A breathing mask forehead support pivots via a rotatable adjusting member to shift height for patient comfort.

An inflatable face seal uses internal stresses to hold overlapping flanges together during adhesive curing without external fixtures.