Tracheal Tubes TRIZ Cases

See how an asymmetric filter holder with electrostatically charged sealing filter material prev

See how a ventilation circuit uses patient temperature feedback to automatically adjust humidif

See how a silicone-coated textile membrane resolves the sealing-versus-comfort contradiction in

See how a rotatable valve with segmented pathways enables one ventilator to safely ventilate mu

See how a porous plug in a drinking tube creates controlled flow resistance, requiring threshol

See how a composite textile-silicone seal resolves the contradiction between CPAP mask comfort

See how an ice-based air-chilling chamber delivers cooled air through a mouthpiece to relieve r

See how an exchangeable bacteria- and virus-proof filter with electrostatic charging and sealin

Surface grooves wick condensation to heated regions for evaporation, preventing rainout and preserving gas flow and humidity in breathing circuits.

A gas-jet exhalation detector mechanically shifts airway pressure, enabling portable disposable bi-level support without sensors or batteries.

Flexible engagement arms and a tightening strap keep a softened, wet ETT securely connected to the ventilator and prevent disengagement.

A pressure-biased actuator adjusts the valve flow path to keep PEEP stable despite leaks, flow variation, and auto-PEEP risk.

A hinged teeth-and-groove grip secures neonatal endotracheal tubes while limiting adhesive skin contact and reducing unplanned extubation.

A supplementary heater-plate signal detects low water from thermal response, reducing sensor count and working across changing flow rates.

A compliant heater plate and single thermistor detect low-water conditions from thermal response, avoiding extra flow sensors in medical humidifiers.

A rotary valve switches positive and negative pressure flow to add therapy oscillations that improve secretion removal during airway clearance.

Integrated heating wires and simplified fittings keep respiratory gases above dew point, preventing pooling and reducing assembly errors.

A supplementary power waveform and compliant insulation sheet let a humidifier heater plate detect low water from thermal changes using one sensor.

A rotating ball and membrane valve switches inspiratory or expiratory occlusion while preventing expulsion during coughing and aiding secretion control.

A fixed-volume flushing unit clears mucus and debris from a pulmonary catheter lumen to preserve accurate airflow monitoring during lung assessment.

Hard plastic inserts reinforce soft tracheostomy tube flange openings to resist tie damage while reducing separation and inhalation risk.

Bite-force sensing on an endotracheal tube enables continuous detection of agitation and self-extubation attempts with fewer false alarms.

A normally open, low-profile tracheostoma valve uses a pressable sealing member to redirect exhaled air for speech while staying simple and discreet.

Primary and secondary valve switching adds oscillations to insufflation and exsufflation cycles, improving secretion clearance in respiratory therapy.

Integrated heating wires in the hose helix and direct connector wiring keep respiratory gases above dew point and reduce assembly errors.

Hard plastic hollow inserts reinforce soft tracheostomy tube flange openings to resist tearing and prevent insert separation or inhalation.

A switchable load tests the humidifier tube-heating power path during therapy, detecting circuit and heater faults without disconnecting the tube.

Embedded heating wires in the hose support helix keep respiratory gases above dew point, preventing condensation and reducing fitting errors.

A support helix with embedded heating wire and integrated coupling keeps respiratory hose temperature uniform, preventing condensation and assembly errors.

A piston-switched respiratory valve keeps the ventilator circuit closed during suctioning, preserving PEEP and lowering contamination risk.

An access passage and flow restriction stabilize the diaphragm in a pressure relief valve, cutting noise, oscillation, and hysteresis.

Oscillating air pressure built into the ventilation circuit loosens lung mucus without foreign objects or interrupting mechanical ventilation.

A ball-joint connector lets the tracheal cannula pivot and rotate to absorb tube forces, improving comfort while keeping ventilation tubes secure.

A removable diaphragm exhalation valve uses compression seals and gas-pressure actuation to support dual-limb and single-limb respiratory setups.

Patterned surface features create tortuous flow paths that limit biofilm growth, fluid spreading, and cell migration on medical surfaces.

A collet and nut assembly secures an airway tube against axial movement while focusing radial load to avoid wall compression and lumen occlusion.

A push-advance thumb screw and quick-release clamp secure or free an airway tube faster, reducing delay and two-hand use in emergencies.

Pulsed ozone delivery and dwell cycles sanitize CPAP hoses, masks, and reservoirs while limiting gas leakage and user exposure.

Axially separating the press area from the latch lets a tracheal cannula connector release with lower, more controllable force and less patient stress.

A pluggable bendable image tube inside the airway bypasses the epiglottis, improves insertion viewing, and avoids tissue contact for safer reuse.

A thermoplastic dental impression and airway channel keep the jaw positioned, helping maintain a clear airway during procedural sedation.

Internal retaining and alignment features enable fast, secure respiratory filter connection while supporting sterilizable reuse and lower contamination risk.

Integrated tube, suction, and camera channels enable one-handed intubation with continuous airway visualization and controlled suction.

Specific port spacing and sealing depth improve humidifier chamber alignment, reduce leakage, and support efficient gas humidification.

A rotatable sleeve combines HME conditioning and speech in a tracheostomy tube interface, avoiding repeated disconnection and discomfort.

Gas sensors and egress control verify a venting path before cryotherapy starts, helping prevent trapped cryogen gas and barotrauma.

An external magnetic assembly stabilizes an inflatable tracheal member for ultrasound-guided puncture, reducing posterior wall injury risk.

A bidirectionally deformable guide tip and one-handed push-pull control help place endotracheal tubes faster with less airway trauma.

Acoustic resonance shifts through an endotracheal tube enable real-time pendelluft detection without added imaging or patient-mounted sensors.

Pressure and flow sensors retrofit a resuscitator to detect ventilation rate, lung pressure, and air volume with real-time alerts.

A convertible nasal cannula and mouthpiece interface sustains oxygenation and airway pressure during difficult intubation with independent gas delivery.

Mechanical interlocking and abutting flange surfaces secure soft and hard tracheostomy tube parts while reducing mould tooling cost.

Breath sensing triggers pre-inhalation aerosolization so fine droplets reach the lungs more effectively and medication waste is reduced.

Rotating support plates with elastic dental pads shift bite force from front teeth and add lip moisturization for more comfortable intubation.

Ultrasonic lamination joins waterproof layers and the mask body in one step, cutting manufacturing time while preserving airway protection.

A head-worn pusher shifts submandibular soft tissue to improve laryngeal mask sealing, reduce leaks, and avoid larger masks or intubation.

A split adhesive base and spring clamp secure medical tubes at insertion sites while resisting bodily fluids and avoiding bulky fasteners.

A layered shell with intersecting gas passages and an axial seal improves respiratory gas humidification while easing tank cleaning and filling.

A modular oral and nasal CPAP assembly maintains treatment pressure during sleep while reducing bulk, skin marks, and cleaning effort.

A pressure-sensed ventilator circuit triggers nebulization only on inhalation and bypasses the nebulizer for refilling without airflow interruption.

Two X-ray views derive 3D positions of the tube tip and bronchial bifurcation to detect esophageal intubation without altering chest diagnosis images.

Jet nozzles entrain ambient air near the nostrils to support airway patency and reduce breathing effort without a sealing mask.

This case places an acoustic sensor near the ventilation tube air channel to improve detection of breathing and ventilation sounds.

A non-sealing high flow therapy device uses a microprocessor to control respiratory gas flow rates and humidity levels.

Merges resuscitation and continuous positive airway pressure into one system, eliminating patient interface switching time and disruption.

A breathing circuit uses a rigid elbow and inflatable bag to deliver low pressure oxygen directly to the patient airway.

An oral device applies negative pressure to the posterior oral cavity to draw the soft palate and tongue anteriorly.

Curved front section fenestrations distribute ventilation openings along the airway tube to deliver oxygen effectively.

A telescopic endotracheal tube uses a temperature-responsive head to adapt shape for safer ventilation.

Segmented LED lights transilluminate anterior neck tissue to guide bougie placement through fat or high ambient light.

A slidable outer element moves nipples along a longitudinal slit to expand the tube diameter, reducing tracheal capillary compression during ventilation.

An oxygen inflow tube extends along an elongated guide on a bite block to deliver gas directly to the retropharyngeal space.