Surgery TRIZ Cases

A drug test seal integrates physical preservation with digital timestamping to secure evidence integrity.

A braided mesh tube inside an endoscope insertion portion adjusts bending rigidity via a coil and wire mechanism.

A biodegradable polymer conjugated with nitric oxide-releasing NONOate groups and photopolymerizable functional groups is electrospun into nanofibers.

Variable camera magnifications enable panoramic views across multiple lenses.

Dynamic power modes adjust ultrasound imaging based on image viewing status.

A medical roller device applies uniform pressure to secure barrier products on irregular skin surfaces near wound openings.

Integrates intravascular ultrasound imaging with a stent placement catheter to capture vessel data during deployment.

A torque limit determining section uses moving average motor current to control insertion apparatus rotation.

Single prolonged acetone treatment removes residual oils from cadaveric fascia, reducing immunogenicity and simplifying fiber processing for surgical repair.

A control method calculates angle differences to drive endoscope bendable sections with minute adjustments.

Movable second lens groups in objective optical systems resolve depth of field trade-offs during magnification.

Intravascular shock wave device modulates renal plexus neural activity to reduce blood pressure without permanent tissue ablation.

An ultrasonically-vibratable osteotome severs cancellous bone using a waveguide and blade with intersecting longitudinal axes.

An endoscope system transmits a base clock as an optical signal to the distal end portion for stable timing generation.

Planar auxiliary light forms an intersection line on the subject, enabling automatic scale display and reducing manual point selection processing load.

A transparent distal cap receives an image sensor insert to enhance illumination light delivery in medical imaging devices.

A medical marking device with a radiotransparent plate and sigmoid mounting arm.

A segmented inner tube design with hard ends and a soft middle section facilitates precise instrument maneuvering.

Flat surfaces on the fiber and pipe enable self-aligning assembly, reducing insertion diameter while preventing erroneous positioning.

Segmented sleeves isolate contamination while enabling lubrication and wiping without complex sterilization.

Plasma polymerization creates a biocompatible coating that reduces protein adsorption and prevents bacterial biofilm formation on medical implants.

A rotating tubular member supported by a base maintains coaxial alignment while transmitting driving force.

An integrated nozzle delivers fluid pulses to clean endoscope windows when image analysis detects quality deterioration.

Measuring rinsing fluid flow rate changes during the transient phase detects endoscope channel blockages without waiting for steady state.

An expandable member couples to a guide wire or catheter to surround and extract vascular obstructions.

A guide frame holds the cam mechanism and sheath fixing unit independently, resolving operation smoothness issues during complex curvature.

Vicinity CAD marks guide radiologists through tomographic slices, reducing manual review time while maintaining detection accuracy.

Applies local quality modulation via saliency maps to resolve depth perception contradictions in medical augmented reality displays.

A spring-loaded tube management device couples medical tubes to endoscope shafts, eliminating adhesive tape application errors and procedural delays.

An adjustable dilator uses a rotating knob to extend wings and change its effective diameter for surgical procedures.

A separable medical instrument uses a sealed connecting part to link operated and operating sections.

A surgical burr bit device uses a protective shield to isolate cutting surfaces from surrounding tissue during rotation.

Segmented packaging uses a nested insert tray to prevent product movement while preserving upper visibility for marketing information.

Fluorinated polymer blends absorb lubricating liquids to create self-healing slippery surfaces that prevent biofilm formation and foreign material adhesion.

A helically extended groove in the nose acts as a heat sink for irrigating fluid flow.

A measurement probe detects tissue contact via electrical current changes in a side-mounted detection portion.

Segmented collection device minimizes bone tissue waste by continuously filtering autologous graft material through a sterile porous barrier.

Electronic assembly switches between sensors to transmit a composite waveform via a single conducting element, reducing cable complexity at the distal tip.

A sliding saddle and locking mechanism stabilize a steerable medical sheath, resolving friction-induced drift during catheter manipulation.

Matrix heaters on flexible boards prevent fogging while compact assembly reduces device complexity.

Friction wheels convert cable motion into rotation, eliminating cumulative velocity errors in intravascular imaging.

Fluid convection and suction in a retrieval device remove renal pelvis stones, reducing procedure time and recurrence.

Curved fiber routing inside the connection plug reduces tension on slidable guides, preventing damage during rapid insertion into relay ports.

A compact ultrasonic transducer uses a piezoelectric rod array housed within a proximal casing and distal horn to deliver mechanical vibration.

A precipitation-hardened stainless steel composition enhances stent yield strength through specific intermetallic phase formation.

An endoscope image pickup device uses a filler-containing adhesive layer at the holder and connecting member engaging portion to secure components.

Segmented indicator calculation using wavelength ratios corrects light scattering errors, enabling precise hemoglobin and oxygen saturation measurements.

Biodegradable magnesium alloy implants provide mechanical strength for load-bearing bone fixation.