Respirators TRIZ Cases

A pulse saturation oxygen delivery system adjusts flow rates via integrated sensors.

A vapour provision system adjusts heater power based on cumulative airflow measurements to control liquid vaporisation during inhalation.

A heater jacket creates a transverse airflow path around a vaping heating element, reducing energy consumption by lowering air velocity.

Lighting device directs light through housing and container portions into liquid to create a large illuminated area for clear visual signaling.

A bedside monitoring system calculates an ARDS biomarker score to recommend lung protective ventilation strategies.

A bi-level positive pressure system dynamically varies inspiratory and expiratory airway pressures during respiratory cycles.

A removable sensor housing detects contaminant concentrations within an air purification filter sorbent bed.

Periodic time-multiplexing prevents wireless data interference with heating reliability.

Stabilizer arm supports reservoir bag to enable single-handed downward pressure, resolving seal leakage without requiring a second provider.

Segmenting the drive and blower head via magnetic coupling isolates the motor from patient gas contamination, extending component service life.

A patient monitoring device displays selected parameter values using distinct visual characteristics to prioritize critical clinical data for caregivers.

Integrated drying stages remove moisture from ventilation streams to protect gas analysis systems from liquid damage at low flow rates.

A transparent region and fixed light source illuminate the e-liquid level through the sidewall, resolving visibility issues in low ambient lighting conditions.

A pneumatic system with a flush valve assembly and control unit manages tidal volumes in anesthesia circuits.

A chemical heater uses supersaturated salt crystallization to heat breathing gas without electrical power.

Resilient components store potential energy to accelerate the armature without coil core contact, eliminating loud clicking noise in medical gas supply systems.

Replacing electronic sensors with a water manometer reduces device complexity while maintaining measurement precision for safe respiratory support.

Reservoir wall ribs guide air escape paths to eliminate bubble blockage at the outlet, ensuring continuous liquid delivery for consistent aerosol generation.

Piecewise linearized models resolve therapy trade-offs by correlating airflow with anatomical changes.

Continuous expiration valve load polling drives stepwise flow value reduction, minimizing gas consumption while maintaining pressure amplitudes.

Dynamic suction adjustment maintains constant abdominal pressure during smoke extraction, preventing pressure drops from excessive vacuum.

A breathable air safety system uses a fill panel with RIC/UAC fittings to deliver compressed air.

A water dispersing bag employs a porous lower portion to drain spilled liquids, preventing water damage to sensitive electronic components during transport.

Movable housing portions enclose accessories and heaters within a single device, resolving bulky accessory loss while maintaining compact volume.

A micro-humidifier system positioned upstream in the breathing circuit generates precise vapor for patient inhalation.

Dynamic inspiratory time extension based on real-time breath detection compensates circuit compliance without causing gas trapping or auto PEEP.

A patient positioning device uses low-friction surfaces and padded substrates to secure limbs during surgical procedures.

A pre-filled vaporizing liquid container uses a porous capillary component to transport e-liquid via capillary action for ultrasonic vaporization.

An adjustable laryngeal implant modifies volume and compressibility to medialize the vocal fold, resolving glottic insufficiency without extrusion risks.

A composite breathing tube uses a spiral stabilizing web to house heating wires for uniform thermal insulation.

Dynamic heater power adjustment compensates for varying gas flow rates, preventing cellular damage and adhesion formation caused by temperature fluctuations.

Integrated pressure tapping tubes merge flow and pressure sensing into a single conduit element within the respiratory gas circuit.

Segmenting the display into local and remote units resolves the trade-off between portable weight and setup ease by enabling a larger screen when needed.

A controller accumulates historic sleep onset data to determine a pre-sleep limit and sets a pressure profile with ramping sub-therapeutic pressures.

A medical alarm system integrates a weigher with an anesthesia device to monitor waste gas adsorption canisters in real time.

A breathing bag merges pattern pieces into a single monolithic component, eliminating welding seams that complicate manufacturing and quality control.

Nested pivoting arms fold flush against the cylinder to eliminate safety hazards from protrusion while maintaining easy attachment to supports.

Computational models determine combined anesthetic effects from physiological data, resolving control complexity while reducing adverse side effects.

A volume-targeted minimum pressure-control breath type merges VC+ and BiLevel ventilation to deliver precise tidal volumes with adjustable pressure support.

An external capillary gap arrangement increases surface coverage and prevents gravity-induced liquid loss in compact inhaler devices.

Segmented cooling channels improve coverage while avoiding bulky static designs that reduce patient comfort.

A detection device measures inspiratory and expiratory volumes during a single breath to calculate volume differences for dynamic hyperinflation assessment.

Merging anesthetic, oxygen, and CO2 monitoring modules onto one board reduces equipment volume and power consumption.

A ventilator calculates a secretion index from inspiratory and expiratory flow measurements to adjust ventilation settings.

A controllable olfactory stimuli dispenser synchronizes stimulus release with the subject's inhalation phase using respiratory sensors.

Segmenting the mixer-heater flow path reduces travel time delay while minimizing depositional loss for respiratory therapy.

A portable vacuum collar maintains airway patency via negative pressure, eliminating the bulk and tethering of traditional CPAP machines.

Breath segmentation corrects intrinsic positive end-expiratory pressure biases in respiratory mechanics estimation, preventing ventilator-induced lung injury.