Tracheal Tubes TRIZ Cases

A tracheostomy cannula features a tapered distal section and proximal suction opening to enable safe inner tube replacement.

Asymmetric laryngeal cuff design with annular sealing bulge prevents rotation and over-insertion while adapting to variable upper esophageal anatomy.

A flexible insertion guide with a switchable tip directs a bridle introducer through the nasal passage.

Embedded stiffening plate prevents buckling in fenestrated tracheostomy tube.

Ratcheted airway assist device protrudes and distracts the mandible to maintain oropharynx patency while delivering oxygen and monitoring carbon dioxide levels.

A breathing assistance system detects vocal cord vibrations to redirect exhaled air through the upper airway.

Ecklonia cava polyphenols coat intubation tubes to inhibit collagen accumulation and prevent re-stenosis after airway dilation.

An adapter integrates a gas concentration sensor with suction catheter and intubation interfaces to reduce mechanical dead space.

A removable laryngoscope blade uses a magnet to trigger sensor signals that enable specific monitoring functions in the device body.

An asymmetrical gastric tube placement aligns the access pathway with the offset esophageal entry point, simplifying assembly and insertion.

An adjustable endotracheal tube expands its intermediate section to conform with tracheal walls.

Segmented suction ports remove fluid from the subglottic and distal trachea to reduce ventilator-associated pneumonia risk.

A flexible strip with hook-and-loop attachment members wraps around medical tubes to provide secure retention without adhesives.

A catheter with a one-way flow element expels air from hyperinflated lung compartments during exhalation while preventing re-inflation.

Segmenting ventilation and intubation channels enables continuous gas flow during tube placement, eliminating the need to disassemble the device.

Nested irrigation and aspiration conduits in a clearing stem enable continuous secretion removal without interrupting patient ventilation.

An internal inspiratory lumen reduces respiratory dead space and enhances CO2 removal by separating airflow paths.

A quadritube tracheal dilator integrates dilation balloons, cuffs, and ventilation lumens into one device.

A hinged connecting assembly swivels two tubes to align a bag valve device with an endotracheal tube.

A longitudinally compressible member seals against an endotracheal tube to minimize deadspace volume in neonatal airway adapters.

A repositionable medical tube features an inflatable cuff with a geometric divot region that produces a distinct ultrasonic signature for detection.

Pressure sensor provides instant feedback on mask seal quality to prevent gastric distention and aspiration from improper ventilation.

Sensors measure output pressure and flow rate to enable controller feedback that maintains prescribed respiratory parameters.

A cricothyrotomy device uses a ring lock to secure an elongated cannula within the airway passage.

A tracheal cannula employs a radially deformable tube section to seal the gap between inner and outer cannulae, preventing respiratory gas leakage.

A respirator uses a membrane selection element to separate and recycle xenon fractions from exhaled breath.

Integrated membrane valve on elastic foam filter body enables speech function without increasing device complexity or manufacturing cost.

An adjustable tracheostoma valve uses a movable second body to change the distance between a rim surface and a valve disk, altering closure pressure.

Axially adjustable housing moves a closure member to regulate airflow, reducing mucus production by maintaining humidity in the respiratory tract.

A laryngeal mask nests an inflatable cushion inside a hollow head part to maintain a compact profile during insertion.

A laryngoscope blade assembly uses a positioning spring to lock the imaging device at a fixed distance from the tip.

A rapid injection port allows medication addition without interrupting oxygen flow, eliminating disassembly time and spillage risks during emergency treatment.

A tracheostomy tube features a funnel-shaped annular cuff that expands to seal the airway.

A shielded intubation guide channels the laryngoscope blade through a passageway to protect against patient emissions.

Helical lumen structure reduces turbulence and shear stress to prevent thrombosis in dialysis applications.

Segmented lateral openings distribute airflow to prevent tube dislodgment from pressure buildup while maintaining airway patency during conscious sedation.

A cuff inflation system adjusts pressure based on carbon dioxide concentration measurements above the endotracheal tube cuff.

Deformable skives center within tracheal tubes for suction cleaning, reducing airflow resistance and pneumonia risk from biofilm buildup.

A biomimetic ventilation mode uses a multi-tube airway to deliver continuous inspiratory flow with periodic expiratory flows.

Varying cladding thickness ensures uniform UV dispersion along the fiber, preventing hypersensitivity reactions from chemical agents.

Expandable catheter member occludes distal opening to direct suction through sidewall apertures and inner lumen.

A cuff inflation controller detects internal pressure to determine size and sets variable pump parameters for stable fluid transfer.

A portable positive expiratory pressure device uses a fixed conduit and liquid column to generate consistent therapeutic resistance.

An automated fluid conveying device uses a micropump and switching valve to calibrate an esophageal balloon catheter, resolving manual calibration complexity.

Active suction removes exhaled gas from the trachea, reducing dead space volume and improving oxygenation without requiring a ventilation interface.

Radial bulges in the protective sleeve allow controlled pressure rise, resolving latex allergen risks and electronic complexity.

Hyoid bone-contacting portions on a laryngeal mask prevent misalignment caused by soft tissue deformation during insertion.

A CPR ventilator extracts maximum CO2 values from oscillating signals to provide reliable alveolar gas monitoring.