Surgery TRIZ Cases

Segmenting the beaker into foldable blanks resolves storage space constraints while maintaining structural stability.

Integrates oximeter and force sensors into a spinal retractor tip for real-time tissue monitoring.

Integrated optical shutter prevents light leakage at endoscope connection without adding device complexity or damaging the light guide member.

Protective sheath maintains endoscope bending section straightness, preventing polymer deformation and distal tip damage.

A meniscal implant combines composite materials with adjustable latching fixation to restore volume while distributing loads across the joint.

Ti-Nb-Zr shape memory alloys adapt modulus below 30 GPa to match bone stiffness, preventing stress shielding and bone density loss.

Flexible material cushions the acoustic lens at housing ends, absorbing insertion stress to prevent deformation and preserve imaging quality.

A free-fall acquisition device captures images from multiple angles using distributed sensors to reconstruct the entire external surface of an object.

A medical aspiration pulsator converts constant vacuum into periodic suction using dual plungers and a cam mechanism.

Ultrasonic dissection separates subdermal fat from dermis while preserving structural integrity through pulsed delivery and cooling.

A capsule endoscope power management system reduces peak current by adjusting overlapping sub-tasks to extend battery operational time.

Pre-rendered pixel transform files apply complex video effects in real time, bypassing hardware limits on geometric transformations and ray tracing.

A portable oral debris removal device uses a suction unit and flexible tube to extract tonsil stones safely.

Segmented optical filter prevents information loss during tissue visualization by maintaining illumination intensity across specific wavelength bands.

Optical sensors on a surgical probe detect tissue color changes to localize intracerebral hematomas, reducing reliance on complex navigation systems.

A laser diode and 1D MEMS scanner generate a linear light pattern to resolve signal-to-noise ratio issues caused by tooth translucency.

Optimized rubber composition with specific silica filler improves gas permeability for faster sterilization and residue removal.

Discrete ECM particles distributed in a porous scaffold improve cell morphology while reducing manufacturing complexity and material costs.

A saliva viral diagnostic kit uses KOH media to condition, form catalysts, and rinse sensors for rapid detection.

Intermediary sleeve and end cap absorb mechanical wear on the articulating portion, extending service life during gas turbine inspections.

Rigid tines in the electrode create micro-conduits through the stratum corneum, reducing skin impedance below 20 kΩ without complex preparation.

A movable septum transitions between retracted and extended positions to resolve visibility contradictions in implantable vascular access devices.

Integrating signal determining portions onto the probe eliminates extra wiring, reducing outer diameter for thin lumen access while maintaining image quality.

An event application server manages multimedia streams for wireless subscriber terminals.

Synchronizing video clock phases and light source duty cycles eliminates thin line artifacts in endoscopic images.

A flexible pessary features a reversibly mountable measurement unit containing sensors for vaginal parameter detection.

Protective strip shields test strip from atmospheric contaminants until sample contact, resolving the trade-off between operational simplicity and assay purity.

An endoscope system aligns multi-wavelength frames using color sensor signals to produce oxygen saturation images.

Branching optical system splits incident light to multiple imaging elements with varied brightness and optical distances.

Mediator mechanism grips slippery catheter via pouch friction, resolving low grip strength constraints for self-catheterization.

Interstitial lumen merges irrigation flow with working channels to reduce endoscope insertion cord diameter.

Segmenting complex medical parameters into binary indicators resolves the contradiction between measurement precision and ease of operation for athletes.

An endoscope processor switches between screening and proximity modes to maintain focus accuracy without unnecessary adjustments.

Nesting the coil inside the hollow shaft protects it from contamination, eliminating sealants and reducing manufacturing costs.

A spring-loaded marking tool adapts to surface variations on polymer plastic, preventing damage and ensuring accurate trim line definition.

Radiofrequency energy elevates internal penile tissue temperature to remodel collagen fibers, reducing blood outflow without invasive surgery.

A data processing unit detects luminous intensity trends in optical fiber components to determine maintenance requirements.

A focus adjustment mechanism compensates chromatic focal differences between white and fluoresced light images in endoscopic imaging systems.

A hermetically sealed metal capsule houses a force sensor to convert finger pressure into electrical signals for surgical tool control.

Variable elasticity in the inner cover prevents wrinkles at large curvature regions, ensuring uniform compressive force for accurate blood pressure measurement.

Serpentine fibrils in expanded polytetrafluoroethylene membranes straighten under tensile force to enable high elongation without orthogonal strength loss.

A spatial light modulator applies phase shifts to single-mode fiber beams, forming a convergent illumination beam at the distal end of a multimode section.

Optical spectroscopy detects gadolinium in excised tissue samples to confirm lesion origin without damaging the specimen.

A cross-linked fatty acid hydrogel with a mucoadhesive layer enables controlled therapeutic agent release through bioerosion.

Relocating image pickup devices to the proximal end reduces insertion diameter while phase compensation fibers maintain polarization states during bending.

Directly connecting the compressor discharge port to the bottle cap eliminates lateral hose forces that destabilize tall sealing agent containers.

Tapered engagement surfaces pivotably couple adjacent bending pieces, reducing bending radius and enhancing tensile strength.

Automatic calibration using near-field communication eliminates manual alignment errors and reduces geodetic height measurement inaccuracies.