Respirators TRIZ Cases

Segmenting the device into functional layers sustains localized therapeutic gas doses, reducing fibrosis while avoiding systemic drug tolerance.

A side-stream respiratory monitor uses a controller to temporally align flow and gas concentration data for real-time display.

Angled multi-channel nozzle generates interacting aerosol jets to break up powder particles, reducing lung delivery speed without adding spacer complexity.

Angled and forked duct design generates high shear forces to resolve inconsistent de-agglomeration caused by variable patient breathing flow rates.

Bayonet catch mechanisms with spring-loaded seals reduce torque requirements caused by elastomeric swelling in anesthetic dispensers.

A patient transfer device with inspiratory and expiratory valves maintains positive end-expiratory pressure during ventilator switching.

A turbine spirometer vane rotates on a vertical axis to overcome bearing friction and torque loss at low flow rates.

A system adapts aerosol parameters using measured pulmonary function data to tailor inhalation maneuvers for patients.

A dry powder inhaler uses a movable capsule portion to swirl inside the dispersion chamber during inhalation.

A ventilator system detects patient inspiration using windowed differential lung volume changes.

A sampling tube with a proximal recess directs gas flow perpendicular to extraction, preventing inspiratory-expiratory mixing in ventilation circuits.

Programmable controller adjusts purge and injection cycles in PSA oxygen devices to resolve adaptability versus complexity trade-offs.

Control device filters brief inhalation periods using duration thresholds to maintain accurate breath detection for medical aerosol delivery systems.

Integrated sensor assembly detects differential pressure within a respiratory flow generator housing to enable precise gas delivery control.

Airway adapter housing an optical interferometer transducer measures differential pressure across a flow restriction to generate precise respiratory gas signals.

An evaluation function transforms electromyogram signals into control signals to switch ventilator operating modes.

A gas delivery device electrochemically generates nitric oxide using a copper ligand complex and nitrite ions.

A nasal insert creates a sealed air passageway to direct odors away from the olfactory region.

Closed-loop feedback adjusts oxygen delivery based on real-time SpO2 monitoring, preventing desaturation episodes and reducing unnecessary oxygen consumption.

Internal transverse walls segment the blister pack housing, isolating used cover sheets from unused medicament doses to prevent cross-contamination.

An infusion system detects accessory coupling to automatically adjust operating parameters and graphical user interface elements.

A ventilator controller calculates expected pressure and volume flow using inspiratory line resistance to proactively regulate gas delivery.

A ventilator circuit prefill inspiratory lines with oxygen during exhalation to enrich delivered gas.

Anesthesia device uses an anesthetic removing member to isolate hydrogen concentration measurement from interfering vaporized anesthetics.

An event-triggered processor in a respiratory medication device records usage events to monitor patient adherence while minimizing power consumption.

Tracheal pressure catheters measure endotracheal tube resistance to compensate for mucus buildup and locate airway obstructions.

An automatic capsule indexing mechanism reduces user effort by pre-loading and perforating multiple doses sequentially, eliminating manual handling steps.

Dual air pressure sensors measure flow path and ambient pressure differentials to activate the atomizer, preventing false triggers from liquid contamination.

A ventilator connector assembly with an intervention port and valve structure.

Pressure support device analyzes respiration waveforms to detect stroke indicators, enabling timely alarms for critical patient safety.

A bronchial flow control device uses a membrane seal to direct airflow through an internal valve member.

A ventilator controller adjusts respiratory gas pressure using derived cardiac output measurements from standard sensors.

An override element enables manual inhaler operation when breath-actuated mechanisms fail, preventing reattachment to maintain accurate dose counting.

Differential resistance in the inhalation chamber separates air circuits, reducing oropharyngeal deposition and increasing pulmonary aerosol delivery.

Bidirectional valves enable ambient air intake during inhalation blockages and exhalant escape during exhalation obstructions, preventing asphyxiation.