Surgery TRIZ Cases

A force applicator breaks hemostatic agents into smaller particles, while pressurized fluid propels them through the lumen to deep GI sites.

Offset guide axes let reamers form asymmetric bone sockets in one step while matching anatomy and preserving healthy bone.

This case shows how electrical clutch control locks a manually articulated tip, preserving position without continuous hand force.

A rotatable adjuster and pusher tilt the bone borer between drilling and reaming states for variable-diameter openings.

A spring-loaded medical valve holds a cleaning position for a predetermined time, then resets automatically to reduce manual reprocessing.

A six-lens endoscope objective uses cemented pairs to widen view and correct aberrations.

Modular coupling adjusts humeral head eccentricity and rotation for patient-specific placement.

A pull-wire catheter uses asymmetric cutouts for controlled vascular bending, smaller radial access, and reduced patient trauma.

This endoscope approach combines low-intensity captures and image estimation to brighten still images while limiting distal-tip heat.

A cavitation chamber and electrode pair add shockwave generation to a modular catheter while preserving secure attachment and connectivity.

Dual-frequency excitation and correction factors isolate nonlinear marker responses for more precise surgical localization.

A breathalyzer captures saliva droplets while treated strips detect bacteria, VOCs, and biomarkers linked to oral and systemic health.

This case uses stepped inner diameters and half-ring sleeves to clamp different endoscope sizes during storage and disinfection.

Removable extenders attach to retractor blade channels to enlarge and maintain surgical corridors without blade repositioning.

A pull-wire catheter aligns with vessel curves for less traumatic radial or cubital access while retaining flexibility and strength.

Wireless IVC measurement provides continuous fluid-state feedback, enabling earlier warnings and more precise therapy titration.

Concentric lumens use pressurized fluid to spray viscous fluids through narrow catheters.

Compartmented cassettes use absorbent substrates, covers, imaging, and tracking to retain samples without fluid suspension.

A rotatable cannula and side-mount interface separate disposable imaging parts from the reusable handle for easier sterilization.

A pivotable endoscope accessory port improves ergonomic access and operator flexibility.

Optical fibers and fluorescence detection help localize parathyroid tissue during surgery.

This case combines steering wires, a working channel, and imaging in one opening to simplify injection-molded shaft assembly.

Narrowed pulley grooves and tapered guides control wire winding for precise, reliable endoscope bending.

A pre-loaded skin patch screens multiple contact allergens, guiding dietary limits for patients presenting IBS symptoms.

Electromagnetic markers replace migrating wires or seeds, adding light indicators for stable three-dimensional lesion localization.

This case uses carrier-free hydrophobic depots to deliver high therapeutic payloads with sustained release and smaller implants.

A disposable filtered manifold uses segmented, spring-loaded locking to control suction-tube coupling and decoupling.

A movable external support positions lighting and image acquisition around a cavity dilator, improving visibility, comfort, and reuse.

A side-opening dilator and ogival introducing body enable quick assembly while preserving a smooth, comfortable insertion profile.

A porous body, vacuum tube, and sealing patch provide minimally invasive closure for gastrointestinal wounds and leaks.

A shared through-opening guides steering wires, the working channel, and optics while simplifying flexible shaft assembly.

Plasma-tuned oxygen content and wettability boost smooth muscle cell biomass, helping limit stent migration and aneurysm progression.

Reusable camera support simplifies cavity inspection. It reduces manual coupling.

This case uses fixed-signal sensing windows and speed adjustments to limit PWM noise while preserving catheter rotation control.

A distal photosensor closes the lighting loop, maintaining illumination as camera extension changes and reducing thermal damage risk.

Grouped electrodes use unique connector IDs to map input channels automatically, improving setup speed and measurement reliability.

A self-expandable funnel catheter restricts blood flow and uses suction to capture hard cerebral clots with less fragmentation.

This implantable marker combines ferromagnetic elements with isotropic graphite to preserve detection while reducing MRI artefacts.

This endoscope hood pairs a hydrophilic hydrogel body with an annular distal member for clear lenses and tissue manipulation.

A needle-delivered magnetic marker uses rotatable rods, reversed magnetization, and draw-in contact to strengthen detection.

A detachable attachment houses the working channel and suction assembly, reducing biofilm risks while simplifying endoscope reprocessing.

The system analyzes images of manual endoscope pre-cleaning to identify missed steps and notify workers before main cleaning.

A CMOS scope, optical fibers, and adaptive processing support inspection and disinfection across varied lumen sizes.

A laminate device uses a collapsible reservoir, weakened membrane, and microneedles to deliver vaccines without trained personnel.

Real-time MR imaging guides a contrast-delivery tubular marker to accurately mark planned needle entry positions.

Heating at pH 6.1–8.0 forms a durable medical-device coating that combines hydrophilicity with bacteria adhesion inhibition.

A universal endoscopic scope uses inflatable modules to adjust dimensions and camera angle while reducing scope inventory.

Synthetic overlays train endoscopic tool recognition when clinical images are scarce.

A tether-driven motor records torque and shaft rotation to plot patient force against position during motion assessment.

A flexible SWIR endoscope uses non-parallel fibers to limit inter-core crosstalk and improve imaging in confined spaces.