Respirators TRIZ Cases

Elastomeric structure between volute rims resolves clearance leaks and improves gas tightness in breathing assistance turbine assemblies.

A pneumatic preflushing unit automates breathing gas circuit flushing using pressure-driven elastomer valve actuation.

A humidifier uses two temperature sensors to measure water and heating element temperatures independently.

A capnography system controller detects supplemental oxygen presence through pressure changes in the sample gas flow.

A non-contact sleep monitor uses radio-frequency motion sensors and pressure-sensitive mattresses to classify deep, light, and REM stages.

Introducing a reducing gas into the reactor stabilizes sensor signals, resolving cross-interference between NO and NO2 for accurate respiratory monitoring.

Dual temperature sensors measure air temperature inside and outside a mask wall to calculate a difference parameter that resolves detection time lag.

A vortex chamber processor breaks liquid medication into fine aerosol particles using pressurized air and ultrasonic vibration.

An aerosol generating apparatus uses a switch to detect cigarette insertion for automatic heater activation.

A translucent conduit diffuses light from an internal source to create a realistic burning ember effect during inhalation.

Disposable anesthetic vaporizer cartridges eliminate operator exposure to liquid agents by replacing complex refill systems with pre-filled, single-use units.

Fiber optic light guides transmit illumination from the main apparatus to the detachable dispensing device display.

Segmenting the ventilator into distinct pneumatic and electrical modules allows hospitals to replace defective units without halting patient care operations.

A collapsible umbrella valve articulates relative to its anchor to conform to non-linear airway geometries while preventing inhalation.

Merging separate thermal and pressure transducers into a single cannula reduces device complexity while maintaining measurement precision for sleep studies.

A ventilator control unit merges pneumatic and non-pneumatic breathing signals to standardize distance metrics for phase transition detection.

A detachable humidifier chamber uses a wireless radiation signal transmitter to send temperature data to the base unit receiver.

Segmented therapy selector prevents partial withdrawal while tear-resistant self-sterilizing flow valve ensures consistent mucociliary clearance.

A portable hyperbaric chamber uses an external support structure to maintain its uncollapsed shape without internal rigid frames.

Mouthpiece directs 5-15 μm aerosol via nasal exhalation, preventing lung deposition while increasing sinus concentration.

Rigid flow duct elements connect micropumps to eliminate dead spaces that increase response time and reduce efficiency.

Active noise control systems generate inverse acoustic signals to cancel variable motor and airflow sounds, maintaining consistent perceived volume levels.

A robotic medical device synchronizes image capture with ventilation cycles to calculate three-dimensional displacement vectors.

A hollow cylindrical first heater wraps around a cigarette stick to maximize contact area and ensure uniform heating of the solid material.

A dispenser lid features a radial extension that acts as a gripping projection to pivot the closure and cover air inlets.

Portable oxygen concentrator records supply conditions to verify patient compliance without increasing device complexity.

An electronic pressure sensor replaces mechanical balloons in a nasogastric probe, eliminating barotrauma risks and radiation exposure during insertion.

A ventilator exhaust valve adjusts flow restriction based on respiratory phase to support dual-limb and single-limb circuit configurations.

Expandable cannula arrangement defines transport volume borders within pulmonary vessels for targeted fluid delivery.

A pressure support system uses a breath stacking module to deliver pressurized gas flow during ventilation cycles.

A pressure controller adjusts airflow during sleep onset detection to transition from pre-sleep support to therapeutic levels.

Segmented induction heating and dynamic covers manage temperature precision while simplifying safe handling of heated components.

A cartridge air passage design with a dilution inlet manages vapor particle size distribution through controlled airflow mixing.

Real-time feedback adjusts support levels to prevent muscle fatigue and optimize weaning outcomes.

A ventilator control system measures inspiratory gas volume and flow rate to adjust pressure support levels automatically.

An anesthesia system uses a processor to generate an exponential agent model from sensor data for concentration tracking.

A manually-displaceable slider varies inspiratory aperture size to resolve fixed resistance limitations in mucus clearance devices.

A drug delivery apparatus releases aerosol in a timed pulse to extend lung residence time.

A collapsible gasbag removal device uses check valves to generate negative pressure for extracting respiratory obstructions.

A mechanical ventilator synchronizes baseline pressure switches with patient breathing efforts to maintain spontaneous respiration.

A health gas generator integrates temperature and leakage sensors to monitor electrolysis conditions and cut power supply automatically.

A monitoring device adjusts alarm limits based on minimum alveolar concentration values to reduce false alarms.

A breathable air safety system fill station prevents heavy portable apparatus weight by using fixed cylinders and valves to maintain reliable pressure.

A disposable ventilator filter housing features a pad-printed structured surface with checkboxes for direct marking.

Modular porting blocks with universal sensors resolve hardware complexity by enabling single-limb ventilators to deliver multiple therapy types.

A flowmeter design stabilizes the float using a guide rod and sealing gasket to prevent beating during operation.

A segmented air filtration housing distributes inlet air to independent filter elements for uniform flow velocity.

Electromagnetic fields heat diseased lung tissue while blood flow cools healthy areas, preventing collateral thermal damage.