Respiratory Masks TRIZ Cases

Sliding adjustment of the forehead support reduces eye corner pressure and noise while maintaining a stable seal.

A coiled tubular fluidic element raises inlet pressure above 7 MPa to prevent clogging and overheating in capillary aerosol generators.

A disposable electrochemical sensor uses a porous substrate with integrated electrodes to detect analytes in exhaled breath.

A resilient valve member uses a wedge and slot configuration to secure the flap without external fasteners.

A breathable gas regulator synchronizes leak detection signals with mouth movement measurements to differentiate interface displacement from patient-induced leaks.

A negative pressure procedure mask captures aerosols via suction to protect medical staff during invasive exams.

A segmented gas delivery mouthpiece uses a flexible guard and variable inlet to enable rapid attachment of portable oxygen containers.

A portable pulse oximeter measures peripheral oxygen saturation changes induced by hyperbaric or hypobaric gas administration to calculate cardiac output.

A respiratory therapy device switches modes using collected usage information to optimize treatment parameters.

Automated image recognition identifies respiratory therapy devices and masks, resolving manual configuration errors that cause ineffective therapy.

Flexible plenum decouples air delivery tube from seal structure, reducing headgear tension and improving patient comfort during respiratory therapy.

A ventilator control unit dynamically adjusts pressure settings to maintain constant CPAP pressure during expiration.

Segmented rigid mask portions connected by a flexible band reduce dead space to improve oxygen purity and patient comfort.

Flared distal end anchors cannula in infant nostrils, eliminating oxygen leak and skin irritation from adhesives.

Curved baffles guide airflow around water chambers to boost humidity while preventing backflow into the flow generator.

A flexible membrane with strain gauges captures facial contours, smoothing irregularities to improve CPAP mask fit and patient compliance.

Cavity in spacing element diverts exhaled air upward to eliminate cooling discomfort.

A releasable elbow connector uses a rear surface to move coupling portions, enabling quick device attachment.

Segmented maintaining members with snap-fit receiving portions eliminate headgear straps, resolving claustrophobia and simplifying mask removal.

A resuscitation device uses a slide adjuster to constrain bellows movement for precise tidal volume delivery.

An adhesive layer on a patient interface device replaces headgear straps, reducing skin irritation while maintaining seal stability.

A resiliently-biased demand gas flow valve opens during inhalation to deliver fresh gas and closes during exhalation to prevent backflow.

Porous foam tips cover cannula prongs to diffuse oxygen flow, preventing skin irritation and nose bleeds from concentrated air.

A ventilator mask uses a flexible bellows portion to conform tightly against the user's skin.

Mask exhaust port connects to suction device to remove pathogen-laden exhalant, preventing environmental contamination during respiratory treatments.

Segmented coil heaters prevent wick drying by distributing heat evenly, reducing replacement frequency.

Universal adaptors resolve manufacturer incompatibility between respiratory masks and tubing assemblies, enabling customized patient interfaces.

A ventilation mask frame interlocks with the body to secure the gas supply elbow via a press-fit mechanism.

A vent adaptor membrane regulates pressurized gas flow through a respiratory therapy system using pressure differentials.

A respiratory mask features an expiratory gas monitoring port positioned at the intersection of nose and mouth airflow paths.

An elongated headgear pad distributes strapping forces along the head centerline, reducing mask dislodgment and gas leaks without increasing facial material.

Exhaled breath analysis replaces invasive plasma sampling, resolving the contradiction between measurement precision and operational ease.

A respiratory mask integrates a processor-controlled light source to deliver synchronized therapy.

A nasal mask uses a pivotable forehead support to orient the seal against user facial morphology.

A respiratory monitoring system measures peak inspiratory flow to adjust oxygen delivery.

Asymmetric apertures grip eyewear while an internal void prevents compression, reducing pressure on sensitive skin.

A hybrid airway mask uses an internal support structure to maintain a uniform seal across interchangeable mouth and nasal interfaces.

A programmable device detects breath patterns to deliver nitric oxide in pulsatile bursts.

A one-way valve limits maximum suction pressure in an airway assist device, preventing tissue injury while effectively clearing obstructed airways.

A rechargeable therapeutic device uses an acoustic vibrator and gas module to deliver controlled vibrations and positive pressure through a nasal mask interface.

Segmented housing separates air driving components from cooling media, reducing mechanical complexity while maintaining effective CPAP pressure.

Detecting exhalation airflow rate trends toward zero enables timely therapeutic gas bolus delivery, resolving inhalation timing contradictions.

Variable flexibility in lateral arms distributes pressure evenly to prevent skin injuries while maintaining a secure gas seal.

Shape-memory reservoirs capture exhaled gas to reduce medicine waste while preventing ambient air contamination.

A donor reservoir delivers oxygen only during inhalation via periodic flow control, eliminating waste during exhalation.

A nasal-oral cannula uses separate oral tubes to detect respiratory airflow from each side of the mouth.

A non-sealing nasal interface uses a directional nozzle to create negative pressure and entrain ambient air for respiratory support.

Gas-assisted injection moulding forms resilient sealing members with internal chambers, eliminating assembly steps that cause splaying and leaks.