Surgery TRIZ Cases

An endoscopic imaging system embeds a serial clock signal within digital data to reduce the number of signal lines, decreasing insertion portion diameter.

Segmented power modules and wireless links remove tethered cables from the endoscopic imaging system, allowing unrestricted surgeon movement.

A portable laparoscope integrates an image capture device, lighting source, and display apparatus within a single housing unit.

Lateral and rotational movements of the shock wave source remove air bubbles from the coupling gel, preventing energy reflection during lithotripsy.

Gripping handle integrates support and marking portions to visualize the greater trochanter tangent plane for precise femoral rasp positioning.

Pulsed pressure deforms endoscope channels to loosen biofilms, replacing manual brushing with automated cycles that reduce fluid consumption.

Universal sleeve geometry allows efficient seating without additional bone preparation, enabling flexible joint line optimization in revision surgeries.

Stacked peritoneal membranes resist remodeling while promoting tissue regeneration to prevent adhesion formation.

A specimen cup moves a caddy via a threaded lid to expose chromatographic strips, eliminating manual volume adjustment errors.

A single image sensor captures reflected visible light and fluorescence emission simultaneously, enhancing tissue contrast without adding hardware complexity.

A ureteral stent blends hard and soluble materials to soften after insertion.

Sodium hydroxide immersion creates hydrated oxides, while controlled anodization stabilizes the layer to enable calcium phosphate deposition.

Segmented ergonomic stool specimen container resolves leakage risks during transport by combining floating seals with an enclosing holder for secure agitation.

Sheath adapter connects procedural sheaths to closure devices, eliminating time-consuming exchanges and bleeding risks.

A fluorescence observation device normalizes emission intensity using subject-specific reference regions to enable quantitative diagnosis.

Dual drivers rotate a scanning pattern with constant length, eliminating uneven density and distortion in the center of the observational field.

Single sensor captures front and rear images, reducing power consumption while improving diagnostic accuracy for Barrett's esophagus.

An inflatable retractor shields neural tissue from surgical drills, preventing iatrogenic instability and neurologic injury.

Segmenting the endoscope into disposable shafts and reusable handles eliminates complex disinfection cycles while maintaining sterile conditions.

Segmenting detection into low-gain and high-gain units resolves tracking-versatility contradictions, enabling precise tumor targeting without dose violations.

A blood glucose monitor stores patient comments with measurement data for retrieval by subsequent users.

A urine collector with an extension lip fits inside a toilet to gather fluid for automated sample extraction.

An illumination lens with optimized entrance and exit face curvature radii refracts light to improve utilization efficiency.

Inverting the heat sink below the light source unit reduces endoscope height without sacrificing cooling efficiency from solid-state elements.

A flexible circuit board replaces rigid structures to ease assembly and eliminate light shields, reducing labor costs.

A capsule endoscope detects hemoglobin concentration in tissue using polarized light scattering and detection mechanisms.

Sequential wavelength illumination eliminates Bayer filter interpolation, boosting pixel utilization efficiency in miniaturized endoscopes.

Wristband transmits patient identification via human body communication to a sensor, resolving wireless interference between multiple nearby devices.

Encapsulating the gap prevents resin intrusion, allowing filling agent to fix wires without compromising liquid-tightness.

Hydrophilic struts tension elastomeric filaments to seal ports on an ingestible capsule, enabling non-invasive sampling of localized gut microbiota.

A flexible waveguide uses a cyclically structured external conductor to transmit millimeter waves through an inner dielectric.

Field-of-view control apparatus selects endoscope adjustments from procedural scene library data to reduce operator workload and surgical time.

A segmented alignment guide with adjustable angles positions an acetabular cup relative to a femoral broach, resolving precision versus complexity trade-offs.

Destructible plug frame prevents reuse contamination while elastic lid member maintains air-tight sealing during procedures.

A PEG-based hydrogel coating modifies bioprosthetic valve surfaces to create a customizable, non-fouling interface.

A controlling apparatus regulates voltage to ensure reliable motor startup in skin resurfacing devices.

A flexible closure plate deforms during systole to block the regurgitation gap between mitral valve leaflets.

A piezoelectric drive excites multiple resonance frequencies to generate complex tip movement patterns for dental instruments.

A surgical tool handle wraps a bias member around connection members to eliminate misalignment risks from point contact stresses.

A system administering visual and cognitive tests during physical stress to measure performance changes.

Ultra-short pulse laser ablates peripheral surfaces to align optical axes, eliminating brass sleeve costs and chipping risks.

A mesh deployment device separates the actuation unit from the disposable mesh holder to enable component reuse.

Rotational-linear conversion adjusts microneedle depth to minimize fluid leakage and tissue damage during intradermal injection procedures.

Nested rotating tubes merge stabilization and retraction functions to eliminate multiple access incisions.

A biodegradable septal closure device uses tissue ingrowth members to seal heart defects while maintaining central apertures for future medical access.

A flushing port on the drive body enables targeted introduction of cleaning fluid into the gear space.

Laminating a synthetic resin vibration absorbing layer with an impermeable chemical blocking layer prevents insulation degradation during sterilization.

Discrete rings strung along a flexible ribbon prevent migration and improve visibility across imaging modalities.

An endoscope captures near-infrared fluorescence to generate composite videos overlaying perfusion centerlines onto white light images.

An endoscope optical filter blocks specific wavelengths to prevent thermal burns during phototherapy.