Respirators TRIZ Cases

A modular blender adjusts nozzle-orifice spacing and entrainment ports to change oxygen concentration without stopping CPAP flow.

A compact nasal plug combines HEPA filtration and UV germicidal treatment to purify inhaled air while balancing comfort, sealing, and portability.

Flow sensing and respiratory mechanics modeling separate patient effort from device flow to improve pressure cycling synchronization and reduce asynchrony.

A proportional solenoid valve switches between pulsed and proportional NO flow to simplify gas circuits while keeping pediatric delivery precise.

A light source, guide, and window reveal remaining aerosol liquid without bulky indicators, helping users refill at the right time.

Separate heaters vaporize the formulation and warm tobacco below combustion, improving aroma delivery and vapor consistency.

An adjustable threshold valve simulates Huff Cough airflow, helping users control exhalation pressure without professional coaching.

A four-beam symmetric sensor layout cancels mechanical disturbance effects, improving IR gas fraction measurement accuracy.

A gas-permeable capsule with an internal filter uses conduction and convection heating to generate aerosol while limiting plant-material pyrolysis.

Sound from the exhalation valve is converted by a phone microphone into pressure data, avoiding onboard sensors, batteries, and added cost.

CO2-triggered valve control stabilizes exhalation sampling for real-time CO and NO monitoring with better accuracy and reproducibility.

Air inlets placed beside the heating element base cut draw resistance and boost airflow, heat transfer, aerosol generation, and TPM output.

Aggregating parameters from multiple medical devices into management-target categories makes patient status easier to interpret at a glance.

An NO injection layout places flow sensing at the ventilator outlet and gas sampling 30 cm downstream to preserve circuit integrity in surgery.

A spiral humidifying tube boosts oxygen moisture transfer without water refills while freeing housing space for a smaller concentrator.

A separable mesh plate and vibrating component simplify cleaning and cartridge replacement while maintaining reliable aerosol generation.

An intermediary conduit layout adds flow sensing and gas sampling to an anesthesia ventilator while avoiding patient circuit damage.

Sleep-event feedback adjusts therapy pressure, pressure gaps, and ramp rates to reduce disruptions and improve comfort during respiratory treatment.

A two-valve rotary layout creates adjustable flow and pressure oscillations while enabling rapid pressure relief and lower ventilator complexity.

Oscillating heated gas flow with pressure and temperature sensing helps match inspiratory demand while reducing air entrainment and improving CO2 washout.

Conditional NFC communication lets an inhaler exchange and store data without manual smartphone steps, reducing user time and effort.

Automatic alignment of ventilation and diagnostic signals enables accurate home therapy supervision without synchronized clocks or manual syncing.

Respiratory airflow patterns such as apneas and Cheyne-Stokes breathing are used to flag worsening heart failure and adjust treatment early.

An inline adjustable PEEP valve raises and maintains expiratory pressure without increasing PIP in non-ICU ventilators.

A bypass airflow path and inlet jets deaggregate dry powder more effectively while reducing deposition in nasal cannula delivery.

Real-time temperature, humidity, pressure, and volume feedback regulates insufflation to preserve cavity conditions and reduce lesions.

A single tilt sensor and PLC coordinate neck and back support angles to open the airway with less hardware and better wearing comfort.

A rotary dual-nozzle, printed durable housing, and hook-on soft water cup cut fragility, cost, and replacement hassle in ion generators.

Multistage conical cavities and counterflow gas decelerate high-velocity aerosol into a dense, soft-flow plume for efficient inhalation.

A movable cap and dedicated removal key expose the heater only for cleaning, cutting residue buildup while protecting users from accidental contact.

A movable cap exposes the heating element for residue inspection and cleaning while helping prevent accidental removal and debris ignition.

Closed-loop end-tidal CO2 feedback adjusts minute volume to stabilize arterial CO2 and reduce harmful manual ventilator changes.

A resonant membrane isolates the acoustic sensor from humidified airflow while preserving accurate respiratory signal detection during sleep.

Dual heater-wire segments adapt heating across respiratory circuit zones to prevent condensation while maintaining humidified gas temperature.

Monitors airway pressure and flow to detect water buildup, secretions, and rising filter resistance before ventilation is impaired.

Azelastine is reformulated into an atomized liquid that avoids bitter oral dosing and enables fast lung absorption with high aerosol conversion.

A resonant membrane isolates the acoustic sensor from humidified airflow while preserving accurate signal detection in respiratory support conduits.

Real-time pressure and flow feedback helps OPEP users track progress, meet targets, and improve therapy adherence.

A cartridge housing blocks the bypass air inlet so the heater activates only when inserted, while porous transfer helps prevent liquid leakage.

A keyed cartridge and conduit connector align sensors, heating, and calibration data to cut heat loss and condensation in breathing circuits.

An integrated cable reinforces longer oxygen tubing while sensor-driven PID control adapts flow to patient activity and conditions.

Multiple thermally isolated humidification compartments synchronize heat and moisture output to keep gas humidity stable across changing flow rates.

Independent airflow channels in the manifold improve powder entrainment from blister pockets for more consistent dosing and less medicament waste.

Directed insufflation gas forms a warm envelope around surgical instruments to prevent fogging and smoke contact while maintaining cavity inflation.

Ultrasonic atomization with capillary wicking prevents leakage, avoids burnt liquid, and delivers more consistent nicotine mist dosing.

A passive leak valve and active patient circuit let cough assistance and suctioning proceed without disconnecting ventilation, reducing hypoxemia risk.

Asymmetric grooves and variable wall thickness let one nasal tube bend for either cavity while resisting collapse and reducing insertion pain.

Gas pressure in the evaporator chamber sets anesthetic concentration precisely without complex temperature control or branch flow hardware.

A rigid-flexible sensor housing uses a rolling collar and seals to improve alignment in a device wall while protecting the sensing element.

A dual-flow canister uses an insulating gas path around humidified breathing gas to reduce heat loss and condensation during delivery.