Medical Devices TRIZ Cases

Segmented filling components with a pierceable membrane prevent unauthorized nicotine access while simplifying the refill process.

A manually operated NPWT bandage integrates a resilient pump assembly to apply negative pressure directly over the wound site.

A tubular delivery apparatus uses a spherical carrier and pressure valve to dispense filamentary material, reducing procedural time and snagging risks.

An infusion system calculates homeostasis metrics to generate actionable alerts for users managing fluid delivery.

A trigger assembly with a locking ring and delivery tube holder switches between locked and unlocked positions to control axial movement.

A safety needle features visible depth indication bands on the shaft to guide precise insertion during medication administration.

Particle-filled matrix in ablation applicator varies thermal conductivity to resolve trade-offs between rigidity and flexibility.

Nesting a superconducting cyclotron inside the therapy room reduces system volume and cost while maintaining effective proton beam generation.

Catheter tip assembly encapsulates a radiopaque marker band between inner and outer portions to prevent dislodgment during guidewire insertion.

An inclined capsule receptacle in a dry powder inhaler minimizes powder flow obstruction during rotation, enabling higher dosage capacity.

A syringe pump clutch mechanism enables precise manual and automatic positioning through integrated motor control.

Applying a secondary radiofrequency wave during extraction decouples beam charge control from acceleration, enabling precise dose delivery in particle therapy.

Asymmetric geometric features on infusion cartridges prevent incorrect medicament insertion into pump chambers.

A fluid dispenser uses a deformable inhalation-sensitive member to actuate a valve only during breathing.

A pre-biased indicator detects fluid pressure deviations through flexible sleeve movement.

Floating marking threads attach to flexible mesh implants using mechanical and thermal fixation steps, preserving structural integrity.

Spring-loaded clamp prevents gravity-driven free flow by maintaining a closed position when force is removed from the actuator assembly.

A modular manifold system connects syringes to enable sequential tissue collection via vacuum suction.

Ambulatory medicament device implements power saving mode to reduce energy consumption while maintaining therapy delivery continuity during software updates.

A modular administration device uses a rotational drive mechanism to connect a reusable base unit with a replaceable medication cartridge.

Segmenting the inhaler into reusable and disposable components removes tight-fitting covers that cause aspiration risks.

Segmented baffles and antimicrobial agents dampen exudate kinetic energy, preventing spillage and contamination in negative pressure therapy systems.

A valved connector uses a sliding piston to isolate fluid pathways, preventing reflux and clearing dependent loops without pressurizing the catheter.

A sleep state sensory stimulus system delivers targeted cues during slow wave sleep to enhance knowledge consolidation.

A drug dispenser stores actuation energy in a spring mechanism to drive consistent medication discharge.

Segmented actuator module allows maintenance while preserving drip-proof sealing, eliminating cover removal and factory intervention.

A drug solution tank for an ultrasonic inhaler features a reinforced leg structure extending past the reservoir bottom to protect against breakage.

A universal mounting base accommodates varying container sizes while engagement mechanisms prevent misuse and ensure reliable valve actuation.

Actuating blades compress the liquid intake while a mechanical dosing stop limits the path to prevent jet formation.

Dissolvable struts in the stabilizing structure prevent vertical foam compression, accelerating wound closure while maintaining tissue integrity.

A surgical stapling device integrates buttresses containing patterned therapeutic agents to deliver drugs directly to tissue sites during the procedure.

A two-way retractable reel system manages medical tubing length through a rotating cylindrical mechanism housed within a compact enclosure.

An integrated signal generating apparatus embeds an electromagnetic coil and conductive polymer directly into a catheter shaft.

A patient care system uses EEG monitoring to assess sedative drug effects before initiating neuromuscular transmission baseline measurements.

A nasal powder delivery device uses a hollow axial cylinder and piston with radial shoulder profiles to compress air for dose administration.

A hollow needle introduces a drug delivery device that anchors to tissue using a radially expanding retention configuration.

A control unit measures fluid rise time in a chamber to calibrate IV pump flow rates.

Fluid-impermeable wound cover with integrated pressure and temperature sensors for continuous monitoring.

An MRI-compatible delivery device minimizes dead space and waste by nesting a cartridge within a tubular body for accurate deep brain injection.

Reinforcing ring stabilizes wound dressing opening to maintain fluid-tight seal under negative pressure.

Aligned guide holes and motorized conveyor control needle depth, resolving manual positioning errors in cryoanesthesia delivery.

Automated system positions animals and delivers substances to targeted areas using gas permeable membranes for precise dosing.

Serrated gripping elements on resilient opposing jaws provide high-friction hold to prevent tubing damage and hazardous spillage during disconnection.

Sensors on the disposal container read barcodes or RFID tags to preserve medication and patient data, preventing information loss during safe waste handling.

Intraluminal catheter delivers thrombolytic medication directly to the distal tip, resolving occlusion without surgical suites.

Conductive contacts in an infusion pump detect connector attachment, blocking the priming sequence to prevent accidental medication delivery into a patient.

Body heat exchanger in skin-patch injector eliminates battery weight by warming medicament through thermal conduction.

Sliding add-on modules connect to a base pump via mechanical coupling, enabling real-time blood glucose tracking and dynamic insulin dose adjustments.

Locking ring on pedestal base secures external cable to skull mount, reducing tissue trauma during attachment.