Medical Devices TRIZ Cases

A universal rotary connector cap interfaces with male and female medical fittings through a rotating base and sliding mechanism.

An adjustable syringe collar shifts needle position to set precise injection depth for subcutaneous administration.

A reusable medical inserter uses a guiding structure to attach and actuate a cradle holding subcutaneous elements.

A stabilization guide apparatus secures subcutaneous access ports and directs needles along predetermined paths for precise septum penetration.

A barrel adapter integrates a spring-loaded retraction mechanism with standard syringe barrels to prevent needlestick injuries.

Linear rod adjustment controls penetration depth to minimize pain while preventing fluid leakage during tattoo removal.

An adhesive silicone sheath secures a urinary catheter to the penis, reducing urethral movement discomfort.

Segmenting the cap into a seal rib and a conductor reception recess prevents liquid leakage around electrical components while simplifying assembly.

Elastomeric tube compresses internal channel to prevent leakage while eliminating rigid casing complications.

Full lamination of a fluoropolymer film onto an elastomeric stopper prevents gas percolation and eliminates silicone oil requirements.

A discharge device return lock mechanism constrains actuator movement to ensure complete stroke cycles.

A suction port seals to a wound dressing cover layer to apply negative pressure through an orifice.

Direct laser welding eliminates elastomeric joints that degrade over time, stabilizing pressure drop and ensuring consistent drug delivery flow rates.

Virtual sky color palette transitions project accelerated daily light cycles to reset circadian rhythms without lifestyle changes.

Collapsible reservoir generates vacuum pressure to remove pleural fluid, reducing lung puncture risk and procedure frequency.

External pump circulates food bolus between two stomas, restoring intestinal function without surgical implantation.

A thermochemical ablation needle mixes liquid reagents in a sealed tip chamber to generate heat for tissue destruction.

A control assembly adjusts heating element current based on identified carrier material to reach a predetermined temperature.

A medication injection pen cap integrates a temperature sensor to monitor insulin stability and detect dosing events.

A rotary pump vaporizer converts pharmaceutical compounds into inhalable aerosols for rapid pulmonary absorption.

A mechanical insulin pump drive system converts motor rotation into continuous linear piston motion via a gear box and threaded rod.

Ultrasonic vibration creates 10-micrometer particles to overcome viscosity barriers and enable deep skin penetration.

Nested concentric radial channels minimize prime volume while maintaining interface area for efficient oxygenation.

A flexible tube and cell pushing shaft enable precise delivery of ovarian tissue fragments to the uterine tube serosa.

A directional electric field guides charged active agents across the skin to target treatment areas.

A fragrance device uses a detachable module with a closed liquid storage chamber to seal essential oils and prevent oxidation.

Integrating a fluid lumen and electrode into one shaft eliminates device exchange, reducing procedure duration and risk during tissue treatment.

A female catheter device integrates a rigid grip, three-way valve, and visual aid for one-handed operation.

Mouthpiece cover movement actuates a dispensing mechanism to open peelable blister cavities for dry powder inhalation.

A needle module cuff opens transversely to remove the drive rod and bell assembly without tools.

An electrically coupled circuit sensor monitors liquid volume in a nebulizer cup, preventing ultrasonic transducer overheating caused by fluid depletion.

A composite elastic laminate uses inter-meshing ridges to stretch superposed layers in the cross-direction while maintaining machine-direction elasticity.

An intelligent cover consolidates visual and acoustic alarms from multiple medical fluid pumps into a single interface.

A drug delivery device uses external clutch teeth on a dose setting drum to enable precise electronic tracking of medication doses.

An oscillating inhaler carrier driven by airflow solves uncontrolled fluttering, ensuring precise powder atomization.

Sealing cover isolates liquid filling opening from air inlet, preventing tobacco liquid leakage while maintaining airflow for aerosol generation.

A dry powder inhaler uses a rotary spring drive to advance a flexible strip of sealed medication reservoirs for precise dose delivery.

Shielding tubing components protect delivery line connectors from radiation exposure, reducing harmful doses to patients and medical personnel.

Implantable catheter features a contoured exterior surface to restrict medicament dispersion within cerebrospinal fluid flow.

Remote timestamp calculation resolves the trade-off between accurate medication tracking and compact device size.

An integrated securement device combines an antimicrobial patch with retainers to prevent water ingress and contact irritant dermatitis at the insertion site.

A cylindrical implantable device uses pivoting fixation tabs to anchor subcutaneously while minimizing the required skin incision size.

A modular suit circulates a healing fluid containing stem cells and aloe vera to promote skin regeneration.

A centrifuge chamber uses a tapered high-G wall to define a separation channel for fluid components.

An activation assembly shifts an inner member between configurations via electrical stimuli, enhancing blood circulation without complex mechanical actuators.

Integrating the indicator device with the housing reduces replacement package volume while maintaining precise dose tracking and secure locking.

Radiation-deactivated adhesive layers weaken on demand, enabling easy detachment of the therapy unit without damaging the wound site.

A wearable basal pod delivers continuous liquid drug doses autonomously.