Surgery TRIZ Cases

A non-circular groove moves at least three optical filters in an endoscopic camera head, saving space and supporting multiple fluorescence modes.

Rare-earth-free Mg-Ca-Zn alloy uses controlled iron levels and Mg2Ca sacrificial sites to limit corrosion in orthopedic implants.

Independent timing of two pneumatic valves varies projectile impact velocity and return acceleration without changing pressure.

A C-shaped spring replaces screw fastening to keep dental and medical mirror parts firmly coupled during procedures.

Nested tubing lets a ureteroscope and suction path share the ureteral route while collecting fragments without enlarging the access footprint.

An elastic C-shaped member tensions flexible loops around a vessel, enabling quick haemostasis and catheter passage without complex valves.

Controlled vacuum draw and low-turbulence venting recover and filter aspirated blood for autologous reinfusion during thrombectomy.

A molded liquid-tight shell integrates the endoscope camera and light source, simplifying sterilization and supporting distal-end miniaturization.

A polymeric-gear transmission converts motor rotation into oscillation, reducing vibration while selectively modifying tissue.

See how a TSV-connected sensor and logic wafer stack supports thin CSP processing without cover glass or imaging flare.

Segmented light guides and an intermediary lens preserve illumination and light distribution while easing endoscope assembly.

A weakened slit end guides crack growth in an endoscope biopsy valve, limiting flap formation and preserving sealing during tool insertion.

An integrated guide tube routes a disposable hose through the handpiece, reducing contamination, clogging, and cleaning demands.

Angle-specific image components send higher-quality content to the amblyopic eye, enabling standardized screening and treatment without glasses or goggles.

Entropy and disturbance checks filter low-information or blurred video images before object detection, reducing false positives and computational load.

Non-photoreactive polyvinylpyrrolidone complexes with polyacrylic acid to preserve lubricity and coating durability through ethylene oxide sterilization.

A removable elevator in the endoscope cap deflects ERCP tools laterally while simplifying cleaning and sterilization.

Image-based checks verify manual endoscope preliminary cleaning, helping remove protein residues before high-action disinfection.

Fiber reinforcement helps degradable implant composites carry loads while avoiding brittle failure and supporting tissue integration.

Flexible suction arms remove oral fluids and debris while maintaining a dry field and unobstructed access during dental procedures.

An extra-arterial slotted shoe and flexible support conform to irregular luminal surfaces, improving seal integrity and limiting dislodgment.

Conventional smart-clothing moisture sensing detects presence only; spaced conductive threads and periodic feedback measure biological-liquid drying metrics.

A push-activated valve separates sample collection from preservative storage, enabling controlled release and ambient biomolecule transport.

Lateral tabs and shaft grooves stabilize the foreskin holder, supporting consistent clamping and more precise circumcision incisions.

Selective hemostatic-agent placement around implantable devices targets bleeding sites while preserving areas for infection or scar treatment.

Separate optical, deflector, channel, and sheath modules address disposal waste and difficult repairs without discarding the entire scope.

An elevator in the endoscope shaft stabilizes loose-fit accessories, preserving position and orientation during precise procedures.

An adjustable-angle cervical distractor enables independent pin angulation to match anatomical variation and improve vertebral alignment during surgery.

Segmented emitter gaps reduce crossing profile and rigidity, while durable emitter and conductive carrier wires limit electrode degradation.

Individual finger receivers and force sensors quantify FDS, FCU, and FDP training for forearm assessment and rehabilitation.

Heat buildup around the ultrasonic transmission member and O-rings is addressed with fluid flow through a perimetrical channel for cooling and durability.

A distal-moving plug creates insertion space after expansion, allowing bone growth-promoting material to occupy the interbody space for spinal fusion.

Help inexperienced endoscope users confirm site-appropriate images through CNN-based recognition, criteria checks, and on-screen capture notifications.

A salt-containing heated solution forms a durable hydrophilic layer on medical-device substrates, improving wettability and lubricity with fewer agents.

Linkage arms coordinate the supports to maintain superior and inferior endplate alignment during fusion-device core insertion.

ICG-p28 combines p28 targeting with FDA-approved ICG to reveal tumor margins and small lymph nodes during image-guided surgery.

An engaging protrusion and matching cap surfaces secure the distal cap while allowing easy attachment and removal during treatment.

A handle-mounted rotation assembly turns the shaft through 360 degrees, complementing articulation joints for precise ureteroscope navigation.

The locking member secures the monitoring unit during transport, then unlocks after implantation for smooth separation and fewer detachment risks.

A curved array with an opening angle of at least 90 degrees and below 180 degrees expands viewing while shrinking the distal end.

Segmented shaft portions let the end effector deflect laterally while an acoustic waveguide maintains ultrasonic vibration for precise cutting and coagulation.

Capacitive touch controls replace cumbersome TEE knobs, while a bite block limits cable biting and tip flexion during insertion.

Speech recognition trained for a surgeon decodes commands in noisy operating rooms while physical inputs remain available concurrently.

White-light and fluorescence color cameras combine through color conversion to show tissue anatomy and fluorescence in natural colors.

A peelable sleeve shields the hydratable implant during delivery, preventing premature swelling before exposure enables tissue-tract sealing.

A smaller ring-mounting region preserves electrical insulation while reducing the endoscope’s distal tip and insertion-part diameter.

Separate parathyroid autofluorescence from indocyanine green vascular signals with spectral filters, avoiding tracer-clearance waits during thyroidectomy.

Variable mesh interstices ease clot penetration while smaller distal and proximal openings secure retrieval across vessel diameters.

An insulating cover separates the conductive distal end member from high-frequency tools, preventing spark currents while supporting both windows.

A double-valve assembly overlaps activation periods to control projectile impact velocity, reduce patient discomfort, and vary operating frequency.