Surgery TRIZ Cases

Laser and white-LED light are combined for color rendering, while emission-angle matching suppresses uneven illumination.

Self-expanding struts distend the lumen around a capsule endoscope, unfolding tissue folds to keep the camera field of view open.

An axial lock and hub opening secure the dilator to the sheath, improving rotational control and stability during heart-tissue puncture.

An aliphatic-solvent coating with siloxanes and amino silanes helps prevent endoscope fogging and blood adhesion, reducing cleaning during surgery.

Magnetic implants compress adjacent digestive-tract walls, while temporary retention prevents premature passage during healing.

A dehydrated hydrogel expands in the biopsy cavity while a radiopaque element supports X-ray and ultrasound localization with less migration.

A wavelength-converting reflector identifies connected devices before illumination, preventing erroneous light transmission in medical observation systems.

Uneven degradation can fracture bioresorbable scaffolds and cause prolapse; a hydrophobic-hydrolytic coating regulates hydrolysis and supports endothelial healing.

An OCTA vascular mask separates blood from tissue scattering, enabling calibrated continuous measurement of blood and interstitial glucose.

A sliding sleeve and flexing jaw clamp secure an expandable interbody implant, then release it accurately through an endoscope.

A recess filled with light-shielding resin covers lens and spacer side surfaces, blocking outside light while keeping the endoscope lens unit small.

A perforated annular plate and elastic sheath secure bending wires by friction, replacing costly welding in endoscope assembly.

Placing the image and light source modules on one substrate surface enables lateral viewing in compact endoscopes.

A detachable tip isolates tissue-contacting optics from the reusable probe, reducing sterilization needs and contamination risk in multi-photon imaging.

Flexible flaps and polymeric insulation help shield lips and adjacent tissue from surgical heat, instrument forces, and cross-contamination.

A segmented interface combines live viewing, freeze capture, peripheral connectivity, and patient-data handling for endoscopy.

Rigid speculums can hinder comfort and compliance; dual-view imaging supports private gynecological self-examination of internal and external environments.

Repeated clot passes through a retained guide catheter combine aspiration and retraction to limit vessel trauma and procedural time.

Covalently grafted fucoidan turns a metallic cerebral aneurysm device into a bioactive surface that promotes cell proliferation and tissue healing.

A flexible implant chain adapts to complex SI joint anatomy through a small cannula, preserving bone while limiting damage to surrounding tissues.

Misregistration between wavelength images can distort oxygen saturation; reference-image registration aligns them for robust endoscopic display.

A coiled spacer between the tube and control element lowers sliding friction while controlled bending improves navigation through curved vessels.

The porous nib captures samples while a snap valve controls reservoir flow, simplifying preparation for PCR and LAMP without laboratory extraction equipment.

An angled distal tip and matching sheath gradually dilate the orifice, cutting insertion force by up to 80% and limiting tissue trauma.

A rotating ball transfers push-button force to resilient chuck arms, reducing sliding abrasion and heat during dental drill release.

Segmented shells, faceplates, manifolds, and fluid delivery help automate endoscope disinfection while containing bioburden.

Flexible joints let a conical envelope lie flat for shipping, stand upright for collection, and pour urine into a smaller container.

A regulated two-shaft transfer instrument moves medical sheets to treatment sites while preventing unintended motion and breakage.

Axial overlap between endoscope coils increases contactless power transfer without enlarging the connector portion.

Melt-state ring-opening polymerization helps absorbable polyaxial copolymers retain inherent viscosity and fiber strength after extrusion.

Non-cylindrical buccal implants use controlled porosity and polymer matrices to sustain release while limiting migration and fibrosis.

An adjustable spool manages steering-cable tension to reduce slack and improve precise deflection of steerable catheter tips.

Enzymatic cleaner, recirculated fluids, and high-level disinfectant exposure remove bioburden while preserving TEE probe integrity.

Internal longitudinal and transverse lumens circulate cooling fluid through the waveguide, removing heat from ultrasonic instruments within seconds.

Pressure-based flush detection switches illumination or video capture modes to mask rolling-shutter artifacts during endoscope rinsing.

Shape-memory strands with fixed helical eyelets restore a three-dimensional marker shape for consistent ultrasound visibility from all directions.

A piezoelectric actuator moves the distal imaging device to switch viewing angles, helping one endoscope provide side and end views.

Move used tonometer probes through sealed compartments for disinfection and rinsing without direct handling or tube reinsertion.

Adaptive display and audio cues adjust lesion alerts as endoscopy quality risk rises, helping reduce overlooked lesions.

Offset auxiliary measurement light aligns the reference spot with the optical-axis spot, reducing scale errors on uneven three-dimensional surfaces.

Projection-forming adhesive layers help align stacked optical devices, supporting compact endoscope units and simpler, lower-cost assembly.

Permanent metal staplers retain strength but remain in the body; this copolymer stent degrades in 2-3 weeks while supporting healing.

Distinct gel and solid phases create an implantable barrier and scaffold that limit tissue adhesion while supporting healing and controlled drug release.

During phacoemulsification, a thermoresponsive OVD signals unsafe intraocular temperatures through color or transmittance changes.

A curved air-and-water nozzle directs fluid across the convex lens, reaching edge and apex areas to maintain imaging quality.

A voltage feedback circuit measures distal-end camera power and adjusts source voltage to preserve image quality without excess heat.

A hinged plastic latch makes the base disposable, enabling quick instrument changes while avoiding repeated sterilization and contamination risk.

Separate collection and storage members isolate preservative fluid, then enable mixing without thin-film sealing or blade cutting.

Image analysis flags bleeding or incision-edge motion outside the displayed view, generating popup alerts during surgery.

Multiple expandable baskets and a sliding operator help remove stones through narrow ducts without repeated instrument exchanges.