Medical Devices TRIZ Cases

A nebulizer applies a wetting surface treatment to internal components, preventing droplet adhesion that reduces cross-sectional area and limits output rate.

Segmented dressing layers prevent painful tissue ingrowth while maintaining fluid flow for accelerated healing.

Integrated lavage and drainage cannulas prevent fluid leakage while removing contaminated particles to control osteomyelitis infection.

A hydrophobic vent device passively vents gas from medical lines while blocking liquid flow through a selective porous membrane.

An annular heating element made of low thermal conductivity material prevents combustion byproducts while maintaining precise vaporization temperatures.

Curved opposed surfaces in a triangular clamp minimize cold flow deformation and blockage risks while maintaining stable flow rates during enteral feeding.

A drug delivery device uses a rotating carrier to attach an insert for stable gastrointestinal interaction.

Merges the sensor, introducer, and data processor into one disposable assembly to reduce handling complexity and component count.

A medicament delivery adjuster uses flexible elements to generate tactile signals for precise depth setting.

A transmucosal drug delivery device uses a permeability enhancer to disrupt the mucosal barrier for improved drug transfer.

A mobile application trains subjects to shift attention bias through swipe-based card game mechanics and focal point indicators.

Decentralized suction holes maintain laminar flow to prevent air bubble mixing and shear force damage during blood aspiration.

Polarized fluorescence spectroscopy monitors albumin concentration to prevent excessive loss during extracorporeal blood treatment.

A wearable therapeutic device uses massage actuators to deliver personalized treatment programs based on real-time biomarker detection.

Automatic pre-lock and post-lock mechanisms engage at specific insertion distances to prevent incorrect handling and ensure complete actuation.

Optical sensors verify tubing placement in the pump housing, eliminating mechanical interlocks while ensuring accurate occlusion detection during operation.

Pre-implanted flexible needles enable precise drug delivery into corpora cavernosa, eliminating manual injection skills and improving dosing reliability.

An integrated pressure sensor in the collection canister measures vacuum levels without clogging interference.

Thin-film reservoirs and elastomeric casings compress the height and weight of patch pumps while maintaining three-day operation duration.

A syringe closure assembly integrates RFID structures to enable precise component identification and secure handling.

A medical device anchor interlinks a rigid body portion with a connecting portion using distinct resin materials.

Zigzag flow path partitions extend contact time and area between the skin care solution and skin, preventing leakage.

A variable flow resistor maintains a constant fluid flow rate during infusion by dynamically increasing resistance as the driving spring force diminishes.

VoiceLove app enables secure patient communication via encrypted walkie-talkie interface, reducing delirism in isolating healthcare environments.

Segmented catheter shafts navigate tortuous renal arteries while cooling fluid prevents thermal injury during neuromodulation.

A syringe needle shield uses a pivoting snap-lock to clamp the needle hub securely.

A pump device integrates a housing storage receptacle to securely hold the control handset and manage its connection cable.

A segmented medical catheter balances accessibility and support by gradually decreasing stiffness from proximal to distal sections.

An elastomeric hollow tube device deforms elastically to pass through a catheter for intravesical drug delivery.

Cradle assembly secures analyte sensor and automated medicament delivery system to user-body via adhesive layer.

An antiseptic dead-end cap uses self-service principles to apply disinfectant during connection, reducing contamination risks from manual swabbing errors.

A programming module dynamically adapts occlusion detection parameters based on programmed bolus delivery to manage fluid line pressure readings.

A wearable infusion device uses manual actuation to drive medicament through a cannula beneath the skin.

Segmented dual-spine rings resolve force transmission trade-offs for precise vascular navigation.

A system adjusts binaural beat frequencies based on real-time electroencephalographic data to transition users between cognitive states.

A data logging device uses a trigger mechanism to detect dose settings and dispensing events in injection devices.

Resilient material deforms to fit needle curvature then rebounds to create frictional binding, preventing shaving and clogging during installation.

A dual reservoir nicotine delivery system uses a spray mechanism to emit controlled aerosol doses through a nozzle.

A computerized oral prescription administration device uses a locking cap with biometric authentication to securely dispense medication.

Pivotable connectors on the cassette body enable precise alignment of fluid path components with the injector, eliminating tubing tangling during setup.

A medical device uses a vacuum chamber to move an abutment arm against ribs for audible feedback.

A bottle cap uses breakable pins to release a removable disc, providing visual confirmation of first use.

Depression sidewalls guide blunt-tipped needles into pre-pierced perforations, preventing septum damage during insertion.

A therapy valve manages oxygen delivery and negative pressure to remove excess fluids, preventing periwound maceration while maintaining high oxygen levels.

An ostomy pad with a central lumen connects to a pump and filter assembly to drain wound fluid while preventing infection.

Segmenting the manual pump mechanism from automated controls allows users to select and maintain specific pressure levels without expensive electronics.

Negative pressure draws wound edges together via a porous sponge, reducing anastomotic leakage risk and avoiding diverting colostomies.

Processing circuitry controls the boost converter and heating element independently, reducing device complexity while improving aerosol production efficiency.

A fluid titration system regulates intravenous infusion using a perfusion variability index derived from optical plethysmograph signals.

Adjusts radio frequency phase differences in a drift tube linear accelerator to optimize ion energy levels.