Respirators TRIZ Cases

Humidity and gas sensing let the controller block unsuitable vapour and regulate draw resistance for safer, more consistent inhalation.

A widening outlet flow path and ribbed plenum reduce turbulence, noise, and pressure oscillations that can cause ventilator auto trigger.

Mechanical clamping replaces soldered heater joints in aerosol systems, cutting cost and improving contact reliability and heat distribution.

Adjustable spinning rods form tapered helically reinforced hose with varying pitch and annealed sections for airflow, flexibility, and memory.

A skirted, dome-shaped exhalation valve smooths annular flow, reducing eddies, pressure fluctuations, and ventilator noise.

An intermediate cylinder and dual seals maintain hermetic sealing when a detachable inner cylinder tilts, preventing medical gas leakage.

Temperature sensing and stored heating profiles let the assembly detect substance age or type, adjust power, and avoid unsafe overheating.

A movable-barrier adapter bridges ISO 594 and ISO 80369 connectors to prevent misconnections and avoid stocking separate consumables.

Using pressure or electromagnetic flap actuation, this case improves ventilator gas flow from ultra-low pressure sources with lower energy use.

A single-extrudate foamed breathing tube wall insulates humid gas flow and keeps condensate visible inside respiratory tubing.

Roll-to-roll MEMS pumps, membrane valves, and zeolite sieve beds enable compact vacuum-based oxygen concentration with lower weight and cost.

A helical conduit uses a liquid-permeable, gas-blocking strip to wick condensation out of CPAP airflow paths without heavy heated hoses.

A spirally wound composite tube uses insulation and optional heating filaments to limit heat loss and rainout in PAP and ventilator circuits.

A pressure-triggered vent equalizes reservoir vacuum to sustain wick capillary feed while blocking liquid leakage in a vaporizer cartridge.

Periodic exhaust valve venting relieves pressure imbalance in an air-oxygen blender to prevent source gas contamination and keep FiO2 delivery accurate.

A pressure-actuated pin and membrane hold back agent release until a set threshold is reached, improving dosing accuracy in pressurized delivery.

Robotic transfer between assembly cells keeps fragile aerosol cartridge parts aligned for repeatable joining, filling, and inspection.

A mobile terminal evaluates ventilator data to guide home users, support remote caregiver contact, and sustain therapy engagement.

A locked shut-off valve reopens under patient-side overpressure to maintain lung pressure and prevent damage during ventilator disconnection.

Using constant current and one voltage sensor, this case measures inhaler load resistance and temperature accurately with less circuit complexity.

Separate chambers and dedicated mouthpieces isolate airflow for multiple consumables, preventing mixing and enabling seamless switching.

Capillary microchannels replace bulky mechanical valves to prevent backflow and shrink liquid medicament delivery systems.

A threshold vent passage admits air to the reservoir to relieve vacuum, sustain wick capillary feed, and prevent vaporizable material leakage.

A rotatable clip engages tube recesses to slide in one orientation and lock in another, supporting breathing tubes without added strain.

Surface relief features create staged sliding resistance, helping operators align and secure breathing circuit connectors with one hand.

A pressure-responsive valve uses a permanent opening and reinforcement areas to prevent wall inversion while preserving low-pressure opening and backflow control.

Dual pressure-receiving surfaces and a peripheral wall let gas pressure open the valve smoothly and hold a stable open state without electric drive.

Quick-release locking and asymmetric alignment features speed breathing circuit component changes without disrupting gas therapy.

Stiffening ribs and a bulged valve base cut ventilator expiration noise and pressure oscillation, improving end-of-expiration detection.

Injection-moulded valve port projections and a TPU diaphragm slow pressure loss, preventing accidental inhaler actuation and missed doses.

One-way elastic textile, inner lamination, and reinforcement reduce PAP conduit drag while improving comfort and mask seal stability.

Sloped valve seats and segmented elastic flaps keep respirator gas flow directional while lowering exhalation resistance under back pressure.

A simple disposable bi-valve switches oxygen flow between two masks in seconds, reducing desaturation risk and cross-contamination.

Two capillary sections and a separate liquid reservoir keep the heater supplied at different angles while limiting leakage and residual liquid.

Thermal storage keeps anesthetic vaporization stable without continuous power, while mass flow sensing improves metering accuracy.

Incremental CO2 dosing with real-time feedback keeps inspiratory gas at target PaCO2 despite breath-by-breath variation.

A breath-modulated valve and bulk-flow atomizer replace wick feeding to prevent flooding, burnt flavor, and buildup while improving vapor output.

Mechanical conductive clamps fix the flat filament heater and form electrical contacts, cutting soldering steps, cost, and failure risk.

A deformable seal between the heating body and carrier blocks liquid leakage and limits heat transfer in an inhaler evaporator.

Reinforcing ribs around the inlet stiffen the expiratory valve to suppress vibration noise and reduce auto-trigger faults in ventilation.

A snap-fit inner and outer sleeve secures breathing tubing without adhesives, maintaining grip over time while cutting assembly effort.

Real-time SpO2 feedback drives oxygen blending to hold target saturation, while manual override and gas conditioning support safer, more comfortable therapy.

A rigid inner frame with guiding flanges and a flexible outer seal keeps a respiratory bypass valve aligned, movable, and well sealed.

A sealing element around evaporator through-openings limits leakage and heat loss while maintaining liquid supply to prevent dry puff.

A locked shut-off valve opens only above a preset patient-side pressure, relieving cough pressure while preventing unintended fluid connection.

A two-stage heating sequence brings plant material near vaporization, then completes heating on inhalation to avoid pyrolysis and reduce active loss.

Preheating plant material below vaporization temperature, then finishing on inhalation, limits pyrolysis and improves heating uniformity.