Respiratory Masks TRIZ Cases

A sliding jaw thrust device uses a rack and pinion mechanism to synchronize arm movement for airway clearance.

Segmented nasal prongs with flexible bellows segments pivot radially to align with patient anatomy.

Direct MRI measurement replaces drifting proxy data to hold tumors at precise positions during radiotherapy.

A portable respirator uses a sensorless DC motor to draw ambient air through an air filter and deliver pressurized airflow to a mask.

Sliding buckle mechanisms allow bifurcated strap segments to overlap and lock, resolving mask instability on the user's head.

A flow regulating valve adjusts conduit impedance via a pressure-responsive diaphragm, reducing exhaust noise while maintaining sufficient gas washout.

Dual inward and outward sealing lips prevent aerosol leakage into eyes while maintaining wearing comfort.

A respiratory therapy system dynamically adjusts pressure levels to alternate between inhalation and exhalation phases.

Nested flexible shell prevents unclean surface contact while preserving device accessibility.

A respiratory mask sealing cushion uses a membrane with varying thickness regions to match facial contours and provide an effective seal.

Automated respiratory flow signal differentiation identifies inspiratory flow limitation without manual visual analysis.

Variable compliance foam cushions maintain therapeutic pressure while reducing nasal bridge discomfort in respiratory devices.

Automated bias flow control maintains consistent gas capture during indirect calorimetry, reducing operator skill requirements and measurement errors.

Textured elastomer straps and decoupled tube connections reduce facial marking and seal disruption from drag forces in respiratory masks.

A forehead support uses a guide bar guided over a resilient element to adjust the mask position.

Segmented cushion uses a thin membrane face contact portion to conform to irregular facial shapes.

Back strap anchors respiratory mask headgear beneath the occiput to secure airway interface positioning.

A flow diversion valve switches between sub-therapeutic and therapeutic modes, reducing unnecessary mask pressure while maintaining effective CO2 venting.

Sidestream sampling systems use a flow straightener to isolate pump disruption, enabling precise detection of respiratory events and equipment malfunctions.

Microstructured surfaces in a humidification chamber wick liquid via capillary action, resolving condensation management issues in medical gas circuits.

A cup-shaped nasal mask guides exhaled air directly to a sensor through integrated wall portions.

A treatment compensator manages impedance and inertance in fine bore delivery conduits, maintaining therapy pressures while reducing power consumption.

A CPAP flow driver splits breathable fluid to drive a nebulizer and generate pressure.

A flow generator integrates projection, audio, and aromatic units to deliver pressurized air while stimulating patient senses.

A positive airway pressure device derives respiratory phase signals from filtered blower motor current measurements.

Automated 3-D modeling replaces manual caregiver fitting to eliminate air leaks and improve seal reliability.

A segmented nasal mask uses a rotatable connector and flexible cushion to simplify assembly and reduce weight.

External rim nozzles separate sealing forces from headgear tension, reducing irritation while maintaining a secure seal.

A fan ventilation apparatus with hollow frusto-conical tubes moves inhaled gas through integrated filtration to expand clean air volume.

A breath-triggered nebulizer shifts a baffle over a Venturi jet during inhalation, stopping aerosol generation on exhalation to reduce medication wastage.

A high flow nasal therapy system adjusts oxygen and air flow rates using real-time capnograph data to maximize carbon dioxide washout.

Segmenting the mask into distinct compartments prevents oxygen dilution of exhaled breath, maintaining accurate CO2 waveforms during high-flow therapy.

A mask fastening clip uses a slider to deflect a spring element, simplifying release from two movements to one defined pull.

A nasal cannula embeds sensing conduits within its base portion to monitor therapeutic gas parameters directly at the delivery site.

A moisture exchange fabric uses a temperature-responsive polymer to absorb and release water vapor during breathing cycles.

Venturi formation directs oxygen jets into airflow to create enriched gas mixtures, enabling continuous supply during power failures.

Nesting a hollow prong through a mask barrier with a resilient member reduces mechanical interference between the delivery and sampling interfaces.

Flexible anti-kink sleeve prevents oxygen tubing kinking at connection points, ensuring reliable gas delivery and reducing skin irritation.

Apparatus delivers positive pressure insufflation and negative exsufflation gas flows to mobilize airway secretions.

A cam wheel mechanism pivots a patient interface cushion to adjust its position relative to the frame.

A venturi device uses a helicoidal rear member to manually select gas mixture positions.

A breathing valve mechanism varies air flow interruption frequency to prevent user accommodation and improve training effectiveness.

A corrugated sealing flap with alternating furrows and ridges conforms to facial geometries.

A respiratory mask flow coupling directs therapeutic gas delivery and exhaled gas removal through separate passages.

A patient interface uses a supple inflatable envelope to create a conforming seal around the nose.

Angled discharge channel deflects droplet mist to burst agglomerates, overcoming air resistance that limits atomization at low pressures.

A ventilator control unit regulates tidal volume alongside breathing frequency to adapt respiratory support.

A reflectance pulse oximetry sensor mounts on a positive pressure breathing gas tubing assembly to monitor blood oxygen saturation levels.

Single-piece molded cushion with sealed internal cavity resolves manufacturing complexity while ensuring biocompatibility and hygiene.

Extracting the conduit from traditional straps reduces system complexity and improves mask positioning stability for better therapy compliance.