Respiratory Masks TRIZ Cases

A positive pressure inhaler uses a piston pump chamber to deliver consistent medication volumes, reducing variability from patient technique.

A breathing assistance mask integrates a pressure generator to deliver pressurized air during specific breathing phases.

Magnetic suspension positions an ultraviolet light source inside a sheath to eliminate bacteria from CPAP conduits without manual cleaning.

A breathing assistance apparatus uses a controller to supply power to heating elements for automated internal disinfection.

A nasal mask swivel elbow decouples tube drag forces from the cushion assembly to maintain a stable seal during patient movement.

A mask cushion uses segmented chambers filled with gas or fluid to conform to facial contours and maintain a seal.

Semi-open cell foam cushions match facial profiles to improve sealing effectiveness while maintaining breathability and reducing vent noise.

Electronic feedback loops adjust throttle positions to stabilize trace gas analysis despite humidity fluctuations.

Protruding cushion elements insert into mask body lodgings to prevent rotation and eliminate gas leaks during sleep apnea therapy.

Removable stiffening inserts adjust localized cushion hardness to prevent movement-induced gaps and ensure a complete seal.

A breathing mask emergency valve uses a separate closing element to precisely coordinate pressure thresholds with the inhalation valve.

A nasal patient interface uses a tubular balloon valve to manage bidirectional gas flow within a compact housing.

Dual-size vent holes reduce noise while maintaining reliable CO2 washout in CPAP masks.

A gas delivery device with a humidifier assembly and sound housing for quiet operation.

A neonatal ventilation apparatus processes respiratory flow signals to differentiate spontaneous breaths from leakage artifacts.

A jet pump adaptor integrates into patient circuits to generate pressurized gas flow and entrain ambient air.

An expandable positioning web adjusts to head positions, reducing gas leakage and patient discomfort during CPAP therapy.

Segmented bilayer walls and rotatable T-connectors reduce device volume while maintaining reliable gas delivery in non-clinical settings.

Selective blower operation removes exhaled heat and moisture while reducing inhalation effort in powered respiratory devices.

Segmented mask design resolves the contradiction between reliable pressure delivery and patient comfort through flexible sealing components.

Rotatable joints minimize dead space and gas rebreathing while enabling versatile configurations for neonatal, pediatric, and adult therapies.

A magnetic coupling assembly joins gas delivery components using alternating polarity magnets that attract and repel to secure the connection.

A pressure controller adjusts nasal gas flow in a medical actuator to maintain setpoint targets.

A respiratory therapy system estimates tubing pressure drops to dynamically adjust gas parameters and maintain precise delivery.

Dual flow regulating mechanisms in the respiratory interface apparatus prevent CO2 re-breathing by controlling exhaled gas direction during respiratory cycles.

A nested dual-mask system delivers anesthesia via positive pressure while evacuating exhaled gases through a separate negative pressure circuit.

A respiratory support device uses a plier-like actuating mechanism to inflate and deflate a removable sterile cartridge.

An external heater wire transfers heat through the tube wall while a stagnant gas layer insulates, reducing condensate formation in neonatal circuits.

A respiratory therapy unit delivers high velocity breathing gas using non-contact sensors for safe operation and humidity control.

A cough assist device displays insufflated gas volumes on a screen to guide treatment phases.

A resilient element between the mask body and flexible upper arm enables adjustable forehead support.

Contact projections clamp housing parts to eliminate axial and radial play, preventing leakage flow fluctuations in ventilation systems.

A mask cushion with a deformation area featuring distinct height and wall thickness variations accommodates diverse facial geometries.

Breathing apparatus delivers differential temperature airstreams to nostrils using heating and cooling elements.

A face tent with a viral filter and one-way valves manages airflow for infectious aerosol capture.

Segmented power supplies enable automatic mode switching for setup and therapy, reducing device weight while maintaining required power availability.

A nasal mask uses a deformable cushion to adapt to varying nasal bridge heights while maintaining air tightness.

Segmenting rigid plastic from flexible cover materials accommodates varying nasal bridge heights without compromising structural stability.

Internal ribs positioned beneath the sealing flap prevent collapse under pressure, reducing leakage in non-invasive ventilation.

A compact breathing mask humidifier uses a water-absorbent member to manage liquid flow between outlet and inlet.

A CPAP device merges air channels and electrical terminals into a single cylindrical connection portion for precise unit attachment.

A gas flow indicator device uses a movable concealment member to expose an annular visual indicator for confirming oxygen supply presence.

A breathing mask incorporates an enteral port to accommodate a nasogastric tube while maintaining the device structure.

A segmented lumen with a dedicated vent path removes liquid ingress to maintain pressure sensor accuracy during cleaning cycles.

Parallel nasal exhalation flow passages in the sensor housing minimize obstruction of airways while enabling continuous respiratory cycle measurement.

System identifies mask types by measuring exhaust flow at multiple pressure points, resolving unintentional leak measurement errors.

A respiration sensor links to a light emitting device that changes color based on detected respiratory parameters.

Flattened asymmetric nasal pillows maintain cross-sectional area to reduce air velocity and noise while ensuring seal integrity against the nasal septum.

Processor estimates therapy duration to adjust humidifier heating, preventing dry gas delivery when liquid supply is limited.

Mass flow sensor measures air flow through a channel tube to calculate tidal volume, reducing user error in bag valve mask ventilation.