Respiratory Masks TRIZ Cases
- CPAP Valve and Venturi Low-Pressure CO2 Venting
A CPAP valve and venturi arrangement redirects exhaled gas flow to prevent CO2 buildup when pressure drops below 3 cm H2O.
- Hollow Breathing Mask Structure Bi-Stable Membrane Closure
A hollow breathing mask structure uses a bi-stable membrane to open and close an access port for filler insertion.
- Humidifier Separator Shielding Water Droplets from Gas Flow
A separator feature shields water droplets from the breathing gas stream, preventing liquid carryover into the patient interface.
- Capnography Fitting Angled Port Versatile Mask
Angled port capnography fitting slides into inhalation masks to resolve seal compromise and user handedness constraints during gas sampling.
- Nasal Dam Respiratory Platform for Anesthesia Access
Segmented nasal dam design provides pressurized ventilation via elastic sealing, eliminating apenic periods during oral surgical procedures.
- Continuous Loop Seal Structure for Patient Interface Pressure
Merging support and seal into one loop component resolves the trade-off between sealing effectiveness and device complexity in respiratory therapy.
- Ultrasonic Sensor Respiration-Synchronized Oxygen Generator
An ultrasonic gas sensor detects human inhalation to trigger oxygen delivery only during breathing cycles.
- Nasal Pillow Inner Support Structure Prevents Collapse
A nasal pillow uses a rigid inner support structure within a softer outer casing to maintain shape stability.
- Nasal Plug Stop Structure Prevents Condensed Water Choking
A nasal plug stop structure surrounds the gas outlet to prevent condensed water entry.
- Dual Port Diffuser Mask with Rebound Chamber
Segmented nozzles and a rebound chamber direct gas rearwardly, maintaining stable concentration while improving comfort in open mask structures.
- Therapeutic Gas Delivery Apparatus Leak Compensation
A gas delivery apparatus uses sensors and a control unit to adjust flow rates for maintaining therapeutic concentration at the respiratory interface.
- Heated Nebulizer Mask with Integrated Power Pipe
An inhalation system pre-heats solutions to 35-40°C using a combined heating chamber, improving bronchodilation and reducing therapeutic agent losses.
- Oxygen Mask Reservoir Design for Endoscopy
Segmented oxygen masks store exhaled gas in an upper reservoir to prevent dilution and wastage, while bottom vents direct CO2 away from the airway.
- CPAP Mask Air Switch for Reduced Exhalation Resistance
Dynamic air switch manages continuous positive airway pressure mask airflow, reducing exhalation resistance and improving therapy compliance.
- Infant Bonnet Elastic Band for Breathing Tube Fixation
Segmented elastic band and chin structure stabilize breathing tubes on infant heads, reducing slippage and skin pressure sores.
- Respiratory Mask Cushion Bubble-Free Filling via Membrane Outlet
A punctured membrane at the outlet resists filling material flow while allowing gas escape during cavity insertion.
- Nasal Cannula Curvature Sensor Actuator Oxygen Flow Control
Curvature sensor detects cannula displacement and triggers an actuator to cut oxygen flow, preventing fire hazards from uncontrolled leakage.
- Breathing Air Hose Detector Wire Fire Safety
An oxygen device uses a melting detector wire in the breathing air hose to stop gas supply when fire ignites, preventing flame spread.