Surgery TRIZ Cases

A spiral structured porous sheet decorated with surface channels and aligned nanofibers guides directional axonal growth.

Segmented thin wire markers bundle inside tissue to provide high-contrast imaging without large needle punctures.

An endoscope apparatus alternates narrow band wavelengths to generate high contrast signals for enhanced blood vessel visualization.

A joint spacer uses a dermal graft pouch to provide mechanical support within the joint space.

A fluorescence endoscope device divides captured images by a reference signal to correct intensity variations.

A synthesized mammogram guides needle placement during x-ray guided breast biopsy procedures.

A cleaning indicator with a query image and test soil detects washing effectiveness via imaging apparatus, eliminating subjective manual inspection.

An electronic endoscope processor synchronizes imaging element exposure times with alternating illuminating light sources to maintain correct image brightness.

A detection system isolates magnetic markers using non-linear harmonic responses generated by large Barkhausen discontinuities.

Isotope-labeled octanoate breath test assesses liver mitochondrial metabolism.

Bioerodible regions within a composite coating enable controlled drug release, resolving inconsistent administration outcomes.

A non-coaxial cable configuration reduces ultrasound endoscope diameter while maintaining signal integrity through shared shielding.

A stereo video endoscope optical system uses a vario objective lens to adjust focal length and position the 3D zero level at the screen plane.

A radiographic marker employs a semipermeable membrane to transition from gas to liquid, resolving MRI artifact visibility trade-offs.

Dehydrofluorination modifies fluoropolymers to anchor drugs locally, preventing washaway by bodily fluids and reducing systemic side effects.

Inclined D-cut lens boundary surfaces divert stray light beams away from image sensors to prevent ghost images in stereo-video endoscopes.

Relocating the traction unit outside the main body exposes the proximal end, allowing thorough cleaning of the gear compartment without disassembly.

Segmented design and inversion principles enable a low-profile catheter to cross tight occlusions while generating shock waves via bipolar electrodes.

Integrating a metal base with a resin cover supports the endoscope moving mechanism while reducing manufacturing complexity.

Mechanical stops constrain the deflection unit pivoting range to prevent limit exceedance and suppress scattered light for consistent imaging quality.

Laser modification and chemical etching create sealed optical cavities within a glass block, preventing internal fogging during autoclaving.

A Raman spectroscopy probe featuring a retractable wave coupling element for precise in situ tissue analysis.

Expandable magnetic rings attach to medical scopes via electromagnets, resolving the trade-off between pushing force and intestinal flexibility.

Sensor circuitry in the translation mechanism detects catheter anchoring status, preventing pullback operations when engagement is insufficient.

A sliding core member positions a pressure sensor along an intravascular guide wire to map stenosis severity without losing catheter position.

A control unit validates instruction signals from multiple operating units to prevent undesired actions.

Segmented snap-fit drill bits allow independent bit replacement, reducing waste and time during glenoid bone preparation.

Segmented design resolves compatibility issues by enabling secure attachment and directional adjustment across diverse speculum sizes.

Embedding light guides in a flexible coupling body improves light coupling efficiency and reduces image interference for reliable caries diagnosis.

An endoscope image compression device divides data into unit areas and selects parameters to minimize total compressed volume.

Harmonic correction algorithms compensate for eddy current distortions, maintaining measurement precision during real-time electromagnetic object tracking.

A biodegradable polymeric mesh seeded with fibroblasts resolves foreign body reactions while maintaining mechanical strength during hernia repair.

External magnetic fields rotate internal cylinders to open liquid inlets, resolving the trade-off between miniaturization and reliable fluid capture capacity.

A diamond-like carbon coating protects the outer surface of medical probes against material loss and wear during ultrasonic procedures.

Capacitive sensing through fluid barriers maps contact extent to prevent radiation exposure during treatment.

A medical device shaft uses a spiral wrap with variable gap spacing to adjust flexibility along its length.

A non-inductive resistor diverts drive current to regulate ultrasonic transducer amplitude automatically.

Endoscope apparatus adjusts spectral products of dual wavelength bands to generate high-quality observation images.

Guide wire and elongated sheath enable transgastric abdominal access via single gastric puncture, eliminating multiple trocar ports.

Heating optical fibers enables plastic deformation and fusion within a narrowed lumen, eliminating gaps to prevent moisture ingress in thin endoscope shafts.

Rare earth element additions in a magnesium alloy reduce degradation tendency and toxicity while maintaining structural integrity for medical implants.

A hinged applicator assembly enables one-handed catheter patch placement, reducing contamination risk at the insertion site.

An eccentric small hole in the forceps plug prevents guide wire catching during biliary procedures while blocking sordes.

An endoscope handle reads identification data from an insert tube connector to configure operation modes automatically.

A capsule endoscope image display device prioritizes position estimation for abnormal images to accelerate radiogram interpretation.

Segmented orbital retractors use springs to expand elements, increasing surface area while keeping the insertion profile small.

A curving operation dial on the lateral surface of an endoscope handle allows independent right-left bending with a finger.

A urine bag cover uses segmented opaque and translucent panels to conceal the device while allowing direct visual monitoring of fluid levels.