Surgery TRIZ Cases

Triple helical low-susceptibility tubes reinforce flexible resin endoscopes, resolving magnetic interference and mechanical strength trade-offs.

Segmenting the catheter power supply into dedicated bubble and arc generators resolves energy inefficiency and reduces device footprint.

An implanted uterine insert tracks gland density and oxygen saturation to reduce fluid retention side effects during fertility treatment.

A reamer handle with a lockable movable hinge and adjustable motor connecting shaft enables secure grip and movement transfer at various angles.

An optical distribution connector merges multiple light sources into a single processor unit to reduce system scale.

Segmented magnetic field detection reconstructs endoscope insertion shape, reducing loop formation risks during complex procedures.

A water-soluble urine collector features an interior color-change indicator to monitor output volume while floating in toilet water.

Segmented actuators enable independent camera head rotation to resolve hand-eye coordination bottlenecks during endoscopic procedures.

A home-based detoxification regimen uses prescribed medications and patient self-administration to manage withdrawal symptoms safely.

A lesion extracting device measures fluorescence intensity to identify tissue abnormalities.

Inclined sensor mounting eliminates complex prism systems and distortion correction, reducing endoscope size and manufacturing costs.

Dynamic parameter adjustment prevents overheating during rapid speed readjustments in bone milling procedures.

Temporal source modulation filters multispectral data without miniaturized in-line optics, reducing signal loss and image distortion.

Modified pipette tips feature internal securing prongs that hold biological samples during fluid transfer operations.

A meandering annular band member secures the outer tube through elastic contraction, eliminating complex heat treatment and skilled manual winding operations.

Heat pipes extract LED waste heat proximally to a headpiece sink, preventing shaft temperatures from exceeding the 41°C safety limit.

A signal processing circuit corrects output signals using stored wiring resistance values and error sensitivity data.

Tubular connector with support member stabilizes blood flow path through aorta.

A drug coat medical device transfers macrolide drugs to blood vessel walls using a specialized dispersant formulation.

Periodic high-pressure fluid pulses remove lens obstructions while limiting total volume to prevent tissue over-inflation during minimally invasive procedures.

Variable rotation speed prevents motor overload during insertion, maintaining stable operation against increasing friction.

Direct bilayer attachment eliminates complex molecular film steps, reducing preparation time and enabling universal substrate compatibility.

Rolling a biodegradable mesh around bone material accommodates irregular defects, avoiding stress shielding from rigid implants.

Radiation-sterilized oil containers release protective fluid into drainage chambers, preventing biofilm formation and maintaining measurement accuracy.

Microfluidic ophthalmic lens measures ocular fluid glucose levels, eliminating invasive sampling procedures for patient comfort.

A snare device core-wire with specific cross-sectional areas prevents turn misalignment during deployment.

Inclined asymmetric walls reduce drawing force during stent recovery, preventing observation field obstruction.

Adjustable magnesium-aluminum alloys enable controlled bioabsorption rates for implantable medical devices.

Segmented composite design applies rigid ceramic liners to flexible endoscope distal ends, resolving structural integrity trade-offs against flexibility.

A rotating engagement mechanism with hooks and a cam system securely connects medical instruments to actuating supports.

Segmenting the device into a disposable base and reusable body reduces sterilization complexity while maintaining accurate patient monitoring.

A bioparameter monitoring device uses color image sensors and a learning matrix to correlate invasive readings with non-invasive tissue signals.

Segmented catheter structure isolates laser fiber from working channel to prevent movement during emission.

A biological observation apparatus captures reflected light in wavelength bands where beta-carotene absorption exceeds hemoglobin absorption to image adipose tissue.

A test instrument mimics flexible endoscope channels using access devices to introduce contaminants and assess cleaning processes.

A body compressor band uses a reinforcing member to increase rigidity at the metal clip position for smoother winding.

Curved distal stent restores saliva flow by bridging obstructions while preventing migration through anatomical interlocking.

A portable optical inspection probe integrates a switched filter module to generate spectral images for detailed tissue examination.

Reflective coatings on gradient index lenses capture radial light, resolving low numerical aperture limits and improving image clarity.

A movable board with a curved surface electrically connects an endoscope image pickup module to its cable.

A metal lattice structure in an endoscope transmits polarized light and reflects unpolarized light to enhance imaging yield.