Medical Devices TRIZ Cases

Segmented bandage with viewing window and hemostasis pad stabilizes needle during treatment and promotes clotting after removal.

A symmetrical internal nasal splint features a lateral flared airway passage and an integrated delivery lumen with spaced ports for targeted medication administration.

Counter-rotating fixtures break medical hose valves automatically, and integrated camera monitoring ensures complete rupture without manual inspection.

A self-expanding disc fills the void around a smaller-diameter sheath to stop bleeding at the access site.

An oscillating agitator creates pressure changes to move hemostatic agents, preventing clogging and ensuring consistent dosing.

An apparatus regulates fluid flow using a feedback valve and sensor to resolve the contradiction between manual control precision and system complexity.

Deforming holes in a flat plate creates intersecting axes that form impinging jets, resolving manufacturing complexity while maintaining atomization precision.

A manually actuated pump generates therapeutic pressure using a piston and elastic element.

Segmented inner body struts transmit torque to the tip, resolving stiffness versus navigation trade-offs in tortuous vasculature.

A fluid dispenser uses a contactless position determination device to track piston actuator movement for precise volume control.

Reactive elements in tubing or cannulas change color when contacted by insulin, providing visual confirmation of priming without removing needle guards.

A modular opening device uses interchangeable actuating devices to engage diverse medical container closures.

A nebulizer pierces a pre-installed container seal automatically during assembly to ensure operational safety.

Vacuum suction draws urine through a retractable tube into a base, preventing spillage during nighttime use for bedridden patients.

Distinct primary and auxiliary working electrodes separate glucose from oxygen interference, improving measurement precision in low-oxygen environments.

An implantable reservoir holds drug microspheres that release therapeutic agents via fluid flushing.

A multi-start lead screw drives a plunger in a fluid reservoir to enable precise dispensing.

A magnetic spherical body moves within a cylindrical space to open and block fluid injection flow paths without mechanical contact.

Ratchet teeth and an elastic claw prevent loosening rotation in medical luer connectors, maintaining seal integrity under vibration.

Implantable drug delivery device eliminates manual injection errors by autonomously administering precise medicament doses to corpora cavernosa.

A double action infusion pump uses a reciprocating piston to alternate filling and evacuating two chambers for continuous fluid delivery.

A perfluorocarbon layer bound to cellulose fibers absorbs and releases oxygen directly to a wound site.

A modular wearable medicament delivery device separates the injector module from the sensor module after injection.

A compact ion accelerator uses eccentric orbits and dynamic frequency adjustment to accelerate multiple ion species efficiently.

Segmenting the filter into a disposable cartridge prevents fluid entry into the pump while maintaining low manufacturing costs.

Segmented oxygen reservoirs supply high-density functional cells, preventing cell death from insufficient oxygen diffusion.

Motorized plunger drive with encoder feedback resolves pump size versus delivery precision trade-offs.

Physiological parameter-triggered RF communication improves data exchange quality while reducing energy consumption.

A split ring resonator antenna transmits data wirelessly within a compact infusion pump assembly.

An automated testing system verifies medical device compatibility by comparing command responses with reference values, eliminating manual verification errors.

Integrated sensor arrays detect fluid levels through opaque walls, eliminating visual inspection needs and reducing unnecessary canister replacements.

A portable airway suction apparatus uses a centrifugal pump to evacuate debris from patient airways.

Tapered cardboard applicator with uniform petal thickness resolves manufacturing complexity while enhancing insertion comfort.

Magnetically interactive components detect housing alignment to control drive device operation, reducing patient trauma during needle insertion.

Curving apparatus imparts permanent curves on elongated medical devices using a mandrel and heat source.

Integrated valve vents air from reservoir chamber into pump chamber, preventing pressure buildup and medication delivery obstructions.

Drug-adsorbed therapeutic swabs deliver antiviral compounds directly to the nasal cavity, enabling self-administration without hospitalization.

A ribbed base guide part directs shaft reciprocation, preventing distortion and maintaining airtightness during power transmission.

Aerosol heating system detects user identity through inhalation cooling effects on resistive elements.

Segmented adhesive points and nested storage reduce skin irritation while enabling compact tube retention.

Segmented containers and a flexible solvent reservoir use compressor pressure to thaw and spray drugs, overcoming blood-brain barrier targeting challenges.

A controlled dispenser delivers precise 0.05 to 0.15ml opioid analgesic doses via a segmented pump mechanism.

A segmented actuator mouthpiece with a central rounded opening intercepts coarse aerosol particles while allowing fine respirable doses to pass through.

A wearable device with parotid and submandibular massagers plus an injection unit to stimulate salivation.

A medication pen cap integrates a light emitting source to disinfect the skin surface and septum automatically.

A spring-loaded inserter device moves an insertion needle via a primary mechanism to deploy and retract the component automatically.

Segmented infusion pump cartridge replaces mechanical seals with valve control to achieve single-dose accuracy for high concentration insulins.