Surgery TRIZ Cases

A tissue sealant applicator features a rigid proximal body and a malleable distal section shaped to retain its configuration during insertion.

Incorporating maleic anhydride polypropylene into polyurethane matrices increases burst and hoop strength while maintaining durometer levels.

An inverted wire linkage rotates the elevator base to elevate tools while clearing distal end space for direct brush cleaning access.

Conductive adhesive links the optical frame to a ground metal member in an electric endoscope.

Segmented shell members house nerve stumps and guide axons to prevent traumatic neuroma formation without complex surgical procedures.

Resolves the trade-off between image intensity and resolution by dynamically adjusting binning numbers according to detected object distance.

Segmented elongated member with control lines steers the esophagus away from the heart to prevent thermal damage during minimally invasive ablation procedures.

Analyzes endogenous metabolic product ratios to trace urine samples to individuals, preventing substitution during unsupervised collection.

A multi-layered type I collagen biomaterial mimics natural tissue structure to support soft and hard tissue repair.

Cam pin mechanism rotates vent holes to align steam passages during autoclave sterilization while sealing foreign matter entry paths.

Coated antenna arm conducts heat to enclosure walls, resolving thermal management issues in compact capsule endoscopes.

Mechanical compression at the greater trochanters relaxes uterine ligaments, providing non-chemical menstrual pain relief without adverse drug reactions.

Covalent bonding between reactive polymer moieties and gold nanoparticles increases crosslink density while maintaining in vivo persistence.

A fee-setting system calculates charges based on detected device usage status and appropriateness assessments.

A spinal endoscope rigid tube features a non-circular working channel with a flattened side to accommodate larger surgical tools.

Connector design prevents vapor ingress while eliminating attachment lenses to reduce production costs.

A guidewire integrates sensors through a solid core wire coated with an insulating outer layer containing embedded conductive wires.

Merging visualization and tissue sampling eliminates repeated insertions, reducing procedure time and patient discomfort.

A disposable endoscope uses a tensioning element to mechanically fix the shaft to the handle housing via a force fit.

A wrapping catheter system uses a contractible-expandable net to envelop thrombi peripherally and pull them out via shear forces.

Embedding a passive transponder in a medical tube enables accurate bedside location detection without imaging equipment or power sources.

A diffuser with distinct acoustic impedance alters shockwave phase and amplitude at the transducer exit aperture.

Endoscope apparatus maintains narrow-band light brightness ratios for consistent tissue visualization.

Blending polymers with different molecular weights tailors the bioabsorption time of stent coatings to reduce late thrombosis risk.

Deployable tips on an endoscope cap shift orientation to overcome limited perpendicular access and maneuverability.

A fluorescence endoscope generates corrected image data by calculating the ratio of grayscale levels in a region of concern to neighboring regions.

A balloon catheter coating method deposits active ingredients via saturated solutions to enhance drug release.

A tissue isolation device uses a ratchet-clutch actuator to deploy and seal a containment bag through minimal incisions.

Dual memory mode switching stores image frames in parallel to eliminate waiting time during re-shooting.

A multi-way valve uses a sealing membrane to selectively connect irrigation and suction ports through fluid pressure.

Servo-controlled motor aligns carrier doors with station ports, automating organic sample loading to boost laboratory productivity.

A test bench assembly uses a single compliant element to provide preload and afterload pressures for cardiac simulation.

A method detects temporomandibular joint movement by tracking an MRI-visible marker on the lower jaw to generate a precise movement curve.

A folding endoscope uses a threaded pipe connection and spiral spring mechanism to enable compact storage and precise image sensor adjustment.

Integral sensor holder with extending walls positions the image pick-up element, eliminating specialized jigs during assembly.

Recessed slot flag markers secure index cards while filling storage voids to stabilize remaining tissue blocks.

Hinged tubular bodies with interlocking projections and recesses distribute external forces to enhance structural rigidity.

A rigid medical imaging device houses multiple camera units with a maneuver mechanism to adjust their physical orientation for diverse viewpoints.

A hybrid optimization method adjusts AV and VV pacing delays using intracardiac electrogram signals and transthoracic impedance measurements.

A switchable braking unit deforms to restrain or allow rotation of an endoscope insertion portion.

Radially expanding interlocking structure secures endothelialized vena cava filters to enable safe withdrawal when traditional hooks fail.

A thermal reflector redirects light between the endoscope and light guide to reduce heat buildup at the connection point.

Adjustable magnetic members engage intestinal tissue to form secure anastomoses, accommodating variable thickness variations without invasive suturing.

Pneumatic mesh expansion segments hemostatic agents to prevent clogging and ensure consistent dosing during endoscopic delivery.

A cursor control unit moves a display element to intersecting tomographic images while maintaining three-dimensional position consistency.

Spring-loaded plunger retracts both needle ends into the barrel, eliminating proximal exposure risks and reducing disposal costs.

A mask insert uses a test substrate to capture airborne analytes from breath samples.

Phase detection pixels determine distance to tissue using light response curves, preventing excessive contact pressure during endoscopic procedures.

A medical stereoscopic observation device switches between first and second signals via different transmission channels to maintain continuous 3D image display.