Respirators TRIZ Cases

Gas sensing in an isolated lung segment replaces slower pressure-based assessment, enabling faster collateral ventilation diagnosis with less sedation.

A detachable spiral gas passage extends airflow up to 330 degrees to cut inlet turbulence, lower respiratory apparatus noise, and ease cleaning.

Asymmetric orientation features let the cuvette couple only one way, preventing frame deformation, collisions, and misalignment.

Adjustable airflow apertures, pressure sensing, vibration, and visual feedback improve exhalation training and sputum removal during rehabilitation.

Real-time flow, aerosol, and medication sensing helps verify dose delivery, guide breathing technique, and log adherence for care teams.

Pixel-level EIT impedance tracking helps ventilators adjust PEEP and inspiratory pressure faster as lung compliance changes.

Proximity-authenticated remote control lets clinicians supervise life-critical devices in real time while reducing coordination burden across multiple patients.

A partitioned trocar uses separate chambers for insufflation, smoke removal, and pressure sensing to avoid gas channeling in laparoscopy.

Real-time brain wave, respiration, and oxygen sensing enables closed-loop PAP adjustment for personalized sleep disorder diagnosis and treatment.

Cavities and capillary members collect and return aerosol condensate, reducing leakage, substrate loss, and sticky wetness.

Startup control boosts valve opening and compressor output first, then shifts to the set flow to deliver stable oxygen within 120 seconds.

A sealed room uses oxygen enrichment and nitrogen reduction to support intense exercise without masks while maintaining safe oxygen partial pressure.

Breath-triggered agitation turns a liquid cartridge into stable inhalable foam, enabling gradual nicotine or medicinal delivery without smoke or vapor.

Sub-second adsorption cycles and reduced sieve volume cut portable oxygen concentrator weight, size, and cost while sustaining continuous output.

A dual-heater capsule with a porous support frame improves cannabinoid aerosol generation while keeping plant material below combustion and pyrolysis.

Pressure and temperature sensing in a closed CO reservoir enables precise hemoglobin measurement while reducing gas waste and exposure risk.

Real-time ventilator and chest tube signals feed an ML model to flag prolonged air leak risk during lung surgery for earlier intervention.

Gas exchange changes reveal temperature set-point shifts during ECMO or ventilation, enabling automatic control that reduces discomfort and metabolic strain.

Compliance data is encoded as audible signals so respiratory therapy devices can send usage records without direct device pairing.

Preloaded patient-specific settings are stored on a server so medical devices can self-configure on activation and ship directly to patients.

A one-piece bag attachment with a transversely actuated duck-bill valve improves vapor flow control, gas quality, and ease of use.

An integrated seam passageway delivers oxygen at the blade tip during intubation, helping maintain airway oxygenation without delaying tube placement.

Bidirectional NO flow sensing prevents vibration-driven signal saturation and untimely valve closure during land or air transport.

Blood CO2 content measured before and after the oxygenator enables precise sweep-gas CO2 control despite the Haldane effect.

Airway pressure and flow changes are used to detect patient-ventilator counteraction and leakage, enabling timely ventilation adjustment.

Combines atomization with blood oxygen, heart rate, and gas composition sensing in one module to expand function without bulky add-ons.

High-temperature gas is driven through the full ventilation air path to remove germs without chemical residues, complex handling, or blind spots.

A branch-line gas sensor and flow-based signal model estimate main-line concentration accurately while reducing airway volume and rebreathing.

A dual-passage tube uses a flow-actuated valve to amplify pressure differences, enabling single-sensor airflow direction detection.

A main and auxiliary reservoir keep the wick fed regardless of orientation, preventing dry puffs and enabling larger liquid capacity.

Orientation sensors guide a nasal dispenser to an optimal nostril position, while automatic actuation supports consistent fluid dosing.

Automatic detection and marked waveform display make patient-ventilator asynchrony easier to spot and adjust during ventilation.

Multi-gas sensors monitor endoscopic surgical cavities and adjust gas delivery when CO2 or harmful gases leave desired ranges.

Dynamic proportional valves and pressure feedback stabilize pneumoperitoneum, reducing oscillation and pneumatic hammer during gas recirculation.

An elongated quartz tube with an internal resistive element increases heat-transfer volume and gas transit time for warmer insufflation gas.

A transparent PEP device uses phone-camera tracking of rocker-arm oscillation to provide feedback on therapy adherence.

A reusable external monitor detects canister movement and inhalation pressure, helping track adherence without embedding costly electronics in disposable inhalers.

A resiliently deformable seal between sonication assembly portions minimizes liquid leakage during therapeutic mist generation.

Pressure-threshold switching between dual NO cylinders keeps patient gas supply continuous without manual cylinder replacement.

A hinged, integrally formed lid and thermally conductive water tub simplify assembly while transferring heat for gas humidification.

Restrictive-lung ventilation adapts respiration frequency, tidal volume, and pressure through a lung model and closed-loop control.

A stepper motor and lead screw adjust cracking pressure during surgery, helping vent gas before insufflation over-pressurizes the body cavity.

A force-sensitive resistor adds actuation timestamps to mechanical dose counting, helping track adherence on existing MDIs without altering use.

Pressure sensors and valves switch between two NO cylinders when pressure falls, preventing delivery interruptions to patients.

Continuous expiratory CO2 trends replace subjective adjustment, guiding ventilation and extracorporeal exchange toward stable blood CO2 levels.

Adjustable O2/CO2 control, membrane gas exchange, and simulated lung motion support reliable ventilator testing while reducing animal-model use.

Atomized water and a heating element target ventilator gas humidity while reducing rainout and filter saturation.

Independent bedside protocols monitor vital signs, execute therapy actions, and alert clinicians while preserving override control for complex cases.

Variable RF drive adjusts vibrating-mesh aerosol output without changing the membrane, supporting flexible nebulizer dosing.

A perpendicular cartridge connection and O-ring sealing enable secure adsorption cylinder replacement while preventing oxygen leakage and preserving concentration.