Surgery TRIZ Cases

Segmented open cells with thin struts reduce vessel wall friction and endothelial denudation while retaining clot fragments.

An expandable flow restoration member extracts clots to restore blood flow, avoiding hemorrhage risks from prolonged thrombolytic treatments.

Orthogonal coil placement reduces magnetic interference in capsule endoscopes, enabling efficient wireless power transfer and stable signal reception.

Ultrasonic joint cartilage treatment system removes damaged tissue via mechanical vibration, eliminating thermal damage and uneven surfaces.

A compact image capturing assembly uses a perpendicular fixture and circuit board arrangement to reduce overall volume.

Fixing resin and protrusions reinforce the tabular lid member to resist physical shocks.

Segmenting examination records isolates pure observation periods, resolving contradictions between measurement precision and reliability in lesion screening.

An Au-Pt alloy adjusts magnetic susceptibility to match biopsy tissue through Pt-rich phase precipitation.

A multi-layer surgical patch uses spatially separated hydrogel precursors to form a cross-linked sealant upon fluid exposure.

A bioresorbable stent resists fracture from cyclic loading by combining elastic and rigid polymer domains.

Active cooling removes heat from the ultrasonic cutter, preventing bone necrosis and tissue damage while enabling faster, minimally invasive procedures.

A molded intraoral suction device uses a U-shaped tube and tongue guard to anchor the end opening at the deepest point.

An ALD and Parylene composite layer shields electronic assemblies from sterilization degradation, extending instrument life.

A medical procedure support system overlays reference images onto endoscopic views for precise navigation.

A toothbrush integrates a capillary channel and reservoir to collect oral fluids during brushing.

Disposable additive manufactured cutters eliminate reprocessing costs and infection risks while maintaining sharpness.

Arcuate channel and roller mechanism guide endoscopes through a dedicated housing pathway, preserving surgical space for other tools.

Radially deforming a medical overtube presses its inner surface against an endoscope, preventing pushback at the splenic flexure during colonoscopy.

Balanced through apertures in the cap body discharge excavated tissue, preventing jamming and maintaining stable rotation during prosthetic surgery.

Lithotripsy probes use amorphous materials to enhance energy transfer and reduce component wear during concretion fragmentation.

A collapsible receptacle uses expandable support rods to hold a flexible liner open for surgical access.

Integrated hydraulic-electrical control synchronizes valve opening with switch activation to prevent lumen blockages during thrombus removal.

A stereoscopic coupler uses segmented optics and locking mechanisms to align endoscope and camera interfaces.

A deployable dual basket system uses memory metal strips to capture and entrap clots within blood vessels.

A sensor inserted between bones measures contact stresses and forces during surgery.

Segmented wearable device measures created cavity temperature to resolve bulkiness and discomfort constraints during daily activities.

Annular integrated circuit controllers wrap around ultrasound transducer elements, reducing stiff length to navigate tortuous anatomy.

A perineal probe uses a flared elastic portion to maintain position during physical movements.

Anchoring system secures catheters using a strap retainer that wraps around the device to provide frictional interaction.

Segmented implant members and an internal anchor prevent dislodgment, resolving reliability versus complexity trade-offs.

Auto-fluorescence triggers detect blood clearance thresholds to acquire images without heavy computational processing, reducing device complexity.

Surface-mounted microdialysis probes sample myocardial metabolism without tissue penetration, eliminating insertion trauma and reducing equilibration time.

Ultrasonic probe detects subcutaneous vein location while a print head deposits antimicrobial ink maps onto patient skin.

Electrically controlled suction overcomes insufficient manual pressure, while density-based separation collects mucus in a disposable container.

Internal locking tabs and grooves join the enclosure parts, eliminating screw pockets that trap matter and compromise endoscopic sterility.

Segmented handle design with inner sheath and protection sheath reduces stress concentration at the connection portion to prevent fluid leakage.

A poly-p-xylylene intermediate layer enhances drug solubility and uniform distribution on medical device coatings.

A transponder detection system adjusts signal thresholds based on ambient noise levels to maintain reliable object tracking.

An adjustable diameter sleeve enables secure connection of hollow organs with varying sizes.

An ultrasonic surgical handpiece uses a transducer assembly to drive an angled tip for tissue cutting.

Nanoscale diamond particles applied to artificial joints form a carbon-rich layer that reduces friction by 50% and wear significantly.

Variable length connection member moves fixing portions to reposition the distal end opening for precise instrument angles during endoscopic surgery.

Nested arcuate blades with frictional locking prongs resolve visualization and stabilization trade-offs in deep-cavity surgery.

Adjustable valve directs fluid through an indicator chamber to confirm presence before switching to the collecting point for precise dosing.

Coagulated autologous blood in a biodegradable sleeve forms a matrix contacting damaged nerves, restoring functionality where standard treatments fail.

Liquid lenses dynamically shift curvature to resolve the trade-off between horizontal resolution and depth of focus in medical scanning.

Annular wavefront modulator extends focal depth while maintaining optical intensity, resolving trade-offs between measurement range and signal attenuation.

A heating foil between tubes acts as electrical insulator and rattle protector in video endoscopes.

Porous ceramic top portion cools stainless steel bottom cutting blade, reducing thermal mass to minimize heat damage to adjacent tissue.