Respirators TRIZ Cases

A portable oxygen therapy monitoring device measures gas flow rates and pressure to determine breathing characteristics via a fluidic oscillator.

Dynamic insufflation synchronizes gas delivery with respiratory cycles, reducing lung barotrauma and ventilation pressure strain during minimal access surgery.

A universal anesthetic cassette detects machine communication type to route signals through a single output contact.

Two spaced microphones on an inhaler housing capture sound vibrations to measure inhalation flow rates.

A portable oscillating positive expiratory pressure device uses a rotating restrictor to modulate exhalation flow.

A spontaneous breathing control module adjusts sedative status to match patient respiratory drive.

A control device selects aerosol delivery modes based on inhalation length data to simplify user handling.

Dual cameras capture stereoscopic images while a humidifier alleviates eye dryness caused by prolonged low vision aid use.

Cartridge memory chip stores local usage data while transmitting dosage information to a server, resolving accuracy versus transmission efficiency trade-offs.

A ventilator control system registers laryngopharyngeal muscle signals to adjust breathing support.

A gas vending system generates healthy hydrogen-oxygen mixtures via electrolysis for user delivery.

Segmented outlet manifolds with proportional master air valves deliver individualized PIP and FiO2 to prevent cross-contamination in multi-patient ventilators.

Segmented filter mesh in ventilator gas flow channels increases contact length, reduces Reynolds coefficient, and improves low-flow measurement precision.

Bidirectional port with adsorbing unit prevents anesthetic gas leakage during vacuum system overload or disconnection.

Segmented bypass channels prevent drug aerosol contact with the HME medium, reducing flow resistance and infection risk during mode switching.

Replacing battery heating with carbonate-acid chemical reactions, the device generates stable foam for 15-30 minute non-electrical inhalation sessions.

Internal pins puncture the powder reservoir cover during extraction, eliminating mesh sealing complexity and ensuring consistent dosing.

A ventilator control system calculates alveolar ventilation from patient sensors to determine optimal frequency for mid-frequency mandatory ventilation.

Ventilation system executes quick recruitment maneuvers based on prior full maneuver results to reduce procedure time and clinical expertise requirements.

A nested silicone cannula system positions a perforated inner tube to maintain airway permeability.

Automatic testing system flushes oxygen sensors with known gas to verify linearity and detect errors during diving operations.

A personalized drug delivery apparatus measures exhalation flow to determine and adjust medication dosage.

A retractable protective sheath covers the suction tube and tip to maintain sterility during medical procedures.

A coaxial intubating attachment merges a bronchoscope and endotracheal tube into a unified cylindrical structure.

Regulating air flow rate synchronizes heater pulses with inhalation, producing 1–5 μm particles that settle in alveoli for rapid nicotine absorption.

A user feedback system estimates state from sensor data to adjust delivery device operations.

A capillary tube flow sensor measures sidestream gas flow using differential pressure across a viscous fluid path.

A gas outlet extender relocates medical gas connections to ergonomic positions using a distributer with multiple taps.

A respiratory therapy device estimates blood CO2 levels using a dynamic simulation model to predict breathing events and adjust therapeutic pressure cyclically.

An adaptive noise canceller restores original exhaled carbon dioxide concentrations by processing known oxygen flow characteristics within the mask.

An extendable anesthesia system positions a clinical center closer to the patient using an articulating arm mechanism.

A humidifier tub combines plastic and metal components joined by a silicone seal to create a fluid-tight reservoir.

A respiratory muscle strengthening device integrates a pressure unit and sensor for real-time measurement.

A ventilator calculates calibration parameters from diaphragmatic electrical activity to regulate assisted breathing.

Outlet orifice geometry atomizes liquid formulation into fine droplets via turbulent flow, replicating cigarette smoke particle size distribution.

Segmented containment allows supercritical fluid extraction to recover halocarbons, reducing waste and lowering costs.

A breathing device monitors motor power and speed to derive airway flow reference values for sleep apnea detection.

An intermediary blending module adjusts inspired oxygen concentration between 50% and 100% without redesigning core ventilator mechanics.

A porous elastomeric nasal dilator retains and releases medicinal compounds through diffusion while expanding the nostril passage.

A ventilator system displays interactive guidance using a progressive color component to indicate expiratory flow limitation.

An integrated expansion chamber and vent mechanism equalize pressure in a vaporizer filler, preventing rapid ejection of anesthetic agents upon nozzle removal.

A sensor unit monitors gas flow variations in a respiratory pipe to measure patient respiratory rate for continuous health tracking.

Segmented adsorbent bed with water-selective first layer and nitrogen-selective second layer maintains oxygen purity.

Segmented bung protects biasing member from welding heat while ensuring uniform dosage delivery.

A ventilator controller adjusts airway pressure and volume parameters in real time to support patient breathing.

Integrated piercing member resolves device complexity by merging blades to optimize discharge characteristics.

A medical breathing apparatus regulator incorporates a disposable outlet unit to separate exhaled gas from the internal mechanism.

A portable convection aromatherapy system uses a unitary furnace and controller to vaporize plant materials with heated air.

Recirculating gas circuit stabilizes heated gas temperature despite flow fluctuations, ensuring precise thermal control for medical insufflation.