Respirators TRIZ Cases

A ventilation valve uses mass and biasing force to control opening pressure.

Automated air-leak measurement unit with wearer-initiated negative pressure testing for respirator fit assessment.

Extraoral cheek pieces apply lateral force to the mandible, maintaining airway patency without triggering gag reflexes in awake or sedated patients.

An integrated spacer valve reduces flow resistance by merging inspiratory and expiratory functions into one structure, simplifying assembly.

A nebulizer system uses a vibrating diaphragm to generate aerosolized medicament droplets.

A pressure generator delivers motor oscillations to enhance deep sleep stages.

A processor calculates target gas feeding flow rates and controls valves to adjust suction, ensuring stable operation.

Retrofit system merges oxygen concentrator with product tank to deliver enriched gas at pressures and volumes required by wearable ventilators.

Segmented microparticles maintain consistent active ingredient ratios to resolve dose delivery variability in severe COPD treatment.

A ventilator blower uses a heat pipe to conduct motor heat away from the compression chamber.

An electronically driven vibratory element releases medication based on detected airflow, reducing dosing errors during user inhalation.

Aerosolized frozen stem cells undergo phase change to solid state, preventing viability loss from physical stress during deep lung delivery.

Segmenting the CPAP into a portable main body and a stationary base unit resolves the trade-off between quietness and weight by isolating the bulky silencer.

Segmenting the disposable reservoir from the heater prevents residue buildup and toxicant risks while maintaining efficient heat transfer.

A porous heatable substrate vaporizes a carrier compound to release therapeutic agents into aerosol particles.

Breath-actuated inhalator triggers medication dispensing after detecting sustained positive pressure, targeting inflamed airways during respiratory distress.

Resilient tube holder organizes medical tubing via clip attachment, reducing clutter and improving patient safety.

Diagnostic system analyzes gas properties to isolate components, resolving maintenance challenges from complex device architectures.

A nasal tube bridle uses a magnetic flexible member to secure tubes, eliminating skin irritation from adhesives and dislodgment risks.

Controller records oxygen concentration series over time against performance curves to assess bed degradation without complex flow control protocols.

Inhaled air sensor triggers ultrasonic atomization only during inhalation, preventing drug waste during exhalation and maintaining oxygen concentration.

A check valve uses a flexible dome membrane to open fluid flow paths with minimal pressure differential.

Segmented data analysis resolves the contradiction between improving sleep quality and increasing system complexity in respiratory therapy devices.

U-shaped air conduits and segmented cartridges eliminate moisture ingress and powder retention for consistent lung deposition.

Compressed gas in a disposable vial atomizes liquid surfactant, synchronizing delivery with inspiration to reduce waste and improve deposition.

Controller manages gas recovery to extend breathing duration while reducing apparatus weight.

Asymmetric bite block advances the mandible to clear soft tissue obstruction, enabling single-practitioner ventilation without complex manual maneuvers.

Piercing assembly extracts liquid from breathing conduits via a dedicated opening, eliminating external water traps and preventing pressure loss.

Reservoirs decouple motor operation from variable flow demands, reducing power consumption and heat generation while enhancing oxygen output.

A pneumoperitoneum apparatus uses separate gas feeding and pressure measurement conduits to enable continuous monitoring during laparoscopic procedures.

Segmenting the ventilation circuit allows precise leak differentiation, improving gas delivery accuracy and patient synchrony.

A ventilator uses a secondary status display to show critical parameters while the primary interface remains powered down.

A pressurized breathing air system uses a continuous loop conduit and isolation valves to supply Grade D air, reducing manual cylinder handling risks.

A user feedback system estimates actions based on user factors and modifies device operations to tailor active ingredient delivery.

A magnetic nose filter mounting device anchors external filter elements via septum magnets, eliminating septal perforation risks and improving patient comfort.

An integrated humidification device combines active heating with passive heat exchange to maintain precise air temperature and humidity levels.

A fluid pressure pulse device administers controlled pneumatic pulses to the respiratory tract.

A bidirectional slot valve maintains lung pressure during respirator disconnection by opening only when specific threshold pressures are exceeded.

A breathing assistance controller uses sensors to measure airflow parameters and a processor to determine respiratory system characteristics.

A gas flow reversing element directs pressurized oxygen through a small-diameter catheter using dynamic outlet control.

Button-actuated valve dispenses nicotine through an elongated body to replicate smoking rituals and address behavioral addiction.

An adjustable inspiratory reservoir pre-fills with gas to supply immediate flow during turbine startup delay, ensuring stable patient ventilation.

A malleable stylet shapes the endotracheal tube to navigate complex airway anatomies without requiring head extension.

Relocating the filter to the distal end expands the gas flow path via a diffusor zone, lowering breathing resistance while maintaining infection protection.

Rotating the outer ring actuates iris members to clamp bottles, eliminating manual holding and reducing operational complexity.

Extended inspiratory hold allows respiratory muscle recoil pressure to vanish, enabling precise lung compliance estimation without overshoot errors.

An automated control system manages breathable gas composition using real-time feedback to reduce clinician workload during patient weaning procedures.

Parallel shut-off valves adapt oxygen flow to cabin pressure, resolving weight and reliability trade-offs.

Offset ports and internal seal prevent mucus blockage in bronchial passageways.