Respirators TRIZ Cases

A machine learning model converts volume-based exhaled breath profiles into blood gas estimates, avoiding invasive analysis while improving accuracy.

A double-layer wall with staggered gas holes vents hot cavity gas while guiding external water away to preserve airtightness and reliability.

A tongue plate splits the mouthpiece into aerosol and sensing channels, keeping mist away from the sensor for accurate breath-triggered delivery.

A mathematical control module drives gas pressure, flow, and composition to simulate complex breathing states for ventilator testing and training.

Adaptive power control uses sensor inputs and physics-based heating to keep respiratory humidifier evaporation stable despite contact variation and water level changes.

Real-time heating and airflow feedback stabilizes humidified ventilation gas during preheating, enabling comfortable use from startup.

Pressure, motor speed, and atmospheric data are combined to estimate respiratory flow and automatically adjust EPAP for stable airway therapy.

Forced ambient airflow over Nafion tubing prevents dry-layer buildup, extending tubing life and stabilizing humidity for nitric oxide sample gas analysis.

Integrated humidification and wireless sleep-data transfer improve respiratory therapy comfort, compliance, and treatment continuity.

Airflow-triggered heating and temperature feedback let this portable convection vaporizer deliver near-instant vapor with less warm-up loss.

Total internal reflection in a transparent trap bowl detects liquid level and trap installation, helping prevent gas sampling contamination.

A swingable weighted valve replaces bulky magnetic control in OPEP therapy, improving cleaning access while loosening and expelling secretions.

A mobile microphone and acoustic model isolate snoring from blower noise and breathing phases to improve sleep appliance setting adjustments.

Airflow and pressure sensing add real-time CPR ventilation feedback, helping rescuers control tidal volume, rate, and barotrauma risk.

Selective gas routing avoids sleep-disrupting low-frequency sound while microbubble outlets improve hydrogen dissolution in water.

A nested low-flow and high-flow insufflation connection boosts gas delivery while maintaining sealing integrity and standard Luer compatibility.

A removable flow channel and heated surface vaporize injected liquid to prevent ventilator rainout while maintaining stable breathing gas humidity.

A piezoelectric inhaler uses a diaphragm pressure sensor and isolated airflow path to trigger heat-free aerosol delivery without harmful byproducts.

Orientation sensors and automatic actuation guide nasal insertion angle to improve reliable drug deposition in the olfactory zone.

Lung impedance tracking across habituation and test phases speeds PEEP and inspiratory pressure adjustment while detecting recruitment and hyperexpansion.

A single sidestream analyser alternates inlet and outlet gas sampling to avoid inter-analyser calibration errors in ECMO and ventilation.

An adapter links vaporizer power sources and heating elements across manufacturers, cutting lock-in costs while preserving airflow and data connections.

An adapter links power sources and heating elements across brands, improving vaporizer flexibility while preserving reliable electrical coupling.

Adjustable mixing of atmospheric and exhaled air enables precise CO2 control for hypercapnia testing of cerebrovascular reactivity and endothelial function.

Acoustic receivers in the respiratory gas path remove transducer delay, drift, and noise to improve flow and concentration measurement.

Biometric feedback guides rhythmic light, sound, and tactile stimuli to synchronize brainwaves and circadian rhythms for better sleep and lower stress.

Historical breathing flow averages and waveforms keep therapeutic gas dosing continuous when sensor data is unavailable or unreliable.

Intermittent nitric oxide inhalation at 160 ppm or more improves respiratory treatment while monitoring methemoglobin and oxygenation to limit toxicity.

A three-part humidifier water chamber uses snap-fit joining and integrated sealing to simplify cleaning, avoid hinge pinching, and cut production cost.

Axially symmetric blower components and vane shields cut turbulence and blade-pass noise while maintaining compact CPAP pressure delivery.

Two rotary valves separate switching and oscillation functions to manage insufflation, exsufflation, rapid pressure relief, and cough support.

An anatomical display merges cardiovascular and ventilation data into one view, reducing cognitive load and speeding bedside decisions.

A narrowed outer flow passage and tuned blade angles help a sub-50 mm respiratory impeller maintain airflow and pressure with lower noise.

A two-point setup plus single-point limit-gas recalibration cuts gas use and service effort while keeping concentration readings accurate.

Piezo-driven mesh atomization and a rotating reservoir produce inhalable aerosol that mimics smoking sensations without combustion products.

A separated fluid channel and narrowed measurement chamber keep liquid off IR windows, preserving mainstream gas readings in any orientation.

A chamber and tubular duct on the ventilator pressure side damp blower noise through acoustic impedance changes without foam in the gas path.

HEPA-positive IsoIVC cages and H2O2 glovebox isolators enable concurrent germfree and gnotobiotic studies in one room without cross-contamination.

A two-piece release liner lets users align an ostomy barrier before full adhesive exposure, reducing gaps, air pockets, and leakage.

Real-time spirometry, flow, and breath NOx sensing combine with mobile feedback and gamified incentives to improve inhaler adherence.

Pressure feedback keeps a vaporisation chamber in choked flow, improving dose consistency, ratio control, and energy use.

A bidirectional flow sensor helps NO delivery stay stable during land or air transport by filtering vibration effects and avoiding premature valve closure.

End-expiratory flow feedback adjusts inspiratory and expiratory timing to deliver gentler mechanical ventilation without extending cycle duration.

A switching valve and check valve bypass blocked inspiratory or expiratory branches to prevent pressure buildup and maintain gas exchange.

A bypass air path and valve control let an oxygen concentrator vary FiO2 and total gas flow to match ventilator demand.

A chamber and tubular channel attenuate blower noise on the ventilator pressure side without foam, improving patient safety and cleaning.

Controlled cold plasma airflow delivers low-dose RONS for inhalation, stimulating hormetic cellular resistance without harming healthy tissue.

Pressurized gas fluidizes hemostatic powder and creates a vortex, reducing catheter clogging while improving endoscopic bleeding-site coverage.

Combines sleep-session physiology with patient feedback to score sleep quality and support real-time therapy adjustment.

A pressure-responsive bypass valve enables near-patient CO2 sampling while limiting dead space and preventing uncontrolled gas extraction.