Respirators TRIZ Cases

Sensor module attached to inhalers measures airflow to resolve trade-offs between measurement precision and device complexity.

Collapsible corrugated tubing adjusts volume to resolve contamination trade-offs, enabling accurate expired gas measurement.

A vertically stacked hydrogen generator merges electrolysis, humidification, and filtration into a unified structure.

Hooks suspend hollow float above heated plate while spacer plates create complex gas passages for improved mixing.

Integrated ventilator control automates sputum clearance via dynamic pressure modulation, preventing barotrauma while reducing manual intervention.

A medical system generates anesthesiology instructions using subject physiological sensor data and metadata received via a network connection.

Feedback control monitors hydrogen concentration below 3.5% to prevent explosions while reducing tank corrosion.

Airflow perturbation device measures inspiratory and expiratory resistance to prevent ventilator-induced lung overinflation.

Integrated strap niches and tube channels in the resilient flange prevent slippage of oxygen lines during caregiver transport.

A sleep control apparatus acquires biological information to determine an optimal awakening point.

An insert apparatus employs a porous barrier with orthogonal holes and a baffle to filter liquid droplets from the breathing gas stream.

Esophageal manometry copies diaphragmatic activity to estimate respiratory drive, resolving the trade-off between measurement precision and device complexity.

A ventilator system calculates leakage information during stable breath periods to estimate instantaneous flow rates.

A shielding section switches airflow paths in an inhaler, accommodating low and high vital capacity users without cumbersome valve attachment.

A recovery and collection assembly redirects atomized medication during exhalation into a storage chamber for reuse.

Estimating lung compliance ratios during breath phases detects disconnections without machine-dependent pressure criteria, improving reliability.

A vapour provision system uses segmented activation sensors to store user-defined power settings for direct control of vaporiser output.

A self-contained emergency oxygen mask converts exhaled air via a physical reaction component, enabling passenger mobility during evacuation.

Elastomer soundproofing fills turbine dead volumes to attenuate motor noise, resolving the trade-off between acoustic reduction and device compactness.

Disposable perfluorocarbon circuits eliminate bacterial contamination risks while maintaining efficient gas exchange and uniform drug distribution.

A disposable positive exhalation pressure device uses a revolving ball in an annular chamber to generate airflow oscillations.

A ventilator system uses bi-directional valves to route airflow through alternative pathways when gas delivery tubes become obstructed.

Photoplethysmographic sensors detect blood volume changes to assess fluid balance, eliminating invasive catheterization risks and reducing evaluation time.

An iterative respiratory algorithm controls gas delivery to achieve target end-tidal concentrations for non-invasive pulmonary blood flow monitoring.

Active expiratory device reduces system volume and gas consumption by replacing bulky mechanical diaphragms with segmented valve circuits.

Segmented wire sections and airflow regulation set precise exhaling force for therapeutic use.

Separate chambers release oxygen and fragrance to enhance air quality without generating harmful volatile organic compounds.

Attachment assembly separates proximal end from penetrating component, enabling secondary device exchange without withdrawing the instrument from the patient.

Continuous transpulmonary monitoring enables precise PEEP control, preventing alveolar collapse and lung tissue damage without interrupting the breathing cycle.

Inclined inner walls guide condensation water away from measurement chambers, preventing pulse reflection errors in ultrasound gas meters.

Segmented memory and code verification allow ventilation device updates without hardware replacement, reducing downtime and maintenance costs.

A medical equipment cart features a tilting platform and an adapter plate for secure ventilator mounting.

Heating low oxygen process gas generates nitric oxide while suppressing toxic nitrogen dioxide formation without purification.

Nested coils heat solid inhalants via Joule effect while a plunger compacts powder, preventing clogging in dual channels.

A respiratory information acquisition device isolates respiration components from periodic pressure fluctuations using phase matching and subtraction processing.

A respiratory device turbine aspirates ambient air to mix with oxygen, enabling mobile operation without compressed air supply.

Electronic control system uses calibration curves to adjust motor speed based on filter resistance, eliminating manual recalibration.

Segmenting the expiratory phase allows accurate leak estimation despite mouth-breathing artifacts that degrade conventional total-flow methods.

Humidified inhalation particles condense water vapor to reduce airway deposits, ensuring safer deep lung delivery.

Segmented alarm limits with median minute volume tracking filter transient breathing fluctuations.

A pressure boost circuit increases breathable gas flow during patient inspiration to normalize hypopnea events.

A humidification chamber valve uses a deformable actuating member to engage a secondary seat, ensuring reliable liquid flow control.

Pressure support system monitors respiratory activity to determine optimal timed backup breath rates.

A tunnel air fill station delivers breathable gas through a secure valve mechanism.

Segmented lumens in the coaxial tube isolate exhaust air from the patient face, reducing noise stress and work of breathing during exhalation.

A medical workstation detects treatment phase transitions to automatically adjust device settings.

A needle tube sprays compressed gas through a jet hole to generate a vacuum, entraining ambient air via the Venturi effect to stabilize total flow rate.