Surgery TRIZ Cases

A non-columnar permanent magnet cuts controller weight and volume while maintaining magnetic force for external capsule endoscope movement.

An injectable copolymer hydrogel combines body-temperature gelation with sustained ROS scavenging to support healing after ischemia or reperfusion.

Hands-free voice and AR control lets surgeons image excised breast tissue in real time, improving excision precision and workflow.

UV-visible fluorescence makes transparent coating coverage on flexible wound sensor circuits inspectable while preserving biocompatibility.

A two-stage reamer uses a tilting proximal section to shape bone for revision implants while preserving the greater trochanter.

A virtual patient view links selected body areas and timeline events to consolidated clinical and diagnostic records for faster decisions.

Simultaneous phase maps at foveal and peripheral retina enable fast choroidal topography measurement for evaluating ophthalmic lens designs.

Controlled axial and radial expansion creates surgical working space while preserving access and minimizing tissue displacement.

A swept-frequency identification signal detects endoscope coupling and power acceptance while preserving isolated wireless LED power transfer.

A damper acting on a sphere directly resists the operating rod, reducing joystick vibration and improving endoscope control stability.

Infrared heating keeps the endoscope distal window at body temperature to prevent condensation and maintain clear surgical visibility.

A retractable tip inverts into a funnel mouth to improve clot aspiration in tortuous vessels while reducing clot shear and vessel damage.

Automated gating, TCPP fluorescence, and machine learning improve non-invasive sputum testing for early lung cancer while limiting false positives.

An integral plastic latch and flexible hinge secure and release instrument shafts while avoiding sterilization and recalibration needs.

Forward-facing catheter ultrasound accelerates enzymatic clot softening and cavitation-based breakup to treat CTOs and thromboses faster.

By tuning tip geometry and transducer materials, this case raises ultrasonic oscillation amplitude for more precise tissue and bone cutting.

Pressure-differential monitoring detects catheter clogging, vacuum loss, and thrombus engagement in real time to improve aspiration safety and reduce blood loss.

A variable-radius cam guides the actuation wire to cut user torque and maintain responsive shaft articulation during endoscopic access.

A counterweight and spring mechanism stabilizes the finger sensor during movement, enabling accurate continuous oxygen saturation monitoring.

A side-load swivel lock secures and repositions surgical retractor blades to improve access and visibility without deeper incision entry.

A single multi-mode laser and echelle grating generate stable relative wavelengths for precise 3D holographic imaging with lower cost and complexity.

Real-time force sensing shifts punch rotary modes to match skin resistance, improving FUE graft extraction precision and consistency.

Helical grooves clear debris while a quick connect secures the trephine, improving cutting around bone, cement, and soft tissue at implants.

Stored light emission settings for each illumination type help endoscopic images avoid over- or under-brightness across scheduled frames.

Separated double-valve timing controls projectile impact and return speeds independently, improving treatment comfort and pulse frequency.

A polyphenol-anchored silane and lubricant coating helps ostomy bags repel liquids and semi-solids for cleaner, easier emptying.

A chin-rest and oral-clasp pointer traces jaw paths to diagnose TMD irregularities and guide personalized non-invasive exercises.

A disinfectant cap with 70% isopropyl alcohol keeps the Foley catheter sampling port sterile and reduces bacterial contamination during access.

A removable luer adapter and cap isolate the needle for sharps disposal, cutting waste volume and needle-stick risk.

Anti-thrombogenic materials on catheter surfaces reduce fibrin sheath buildup, helping maintain patency for infusion and blood draw.

Sensors on individual finger transmission members quantify FDS, FDP, and FCU force for more targeted forearm training and rehab.

A compressing lid flattens unlabelled tissue on an optical substrate for rapid intraoperative virtual histology of surgical margins.

PAM-encoded surgical imaging cuts signal frequency to raise camera data rates while preserving signal integrity and simplifying galvanic isolation.

A lift-wire rotates a lubricated cotton square for deeper, more hygienic nasal cleaning than tissues, wipes, or Q-Tips.

Dual-frequency intravascular ultrasound with microbubbles and nanodroplets lowers cavitation threshold to lyse retracted and unretracted clots faster.

A multilayer microfluidic sweat path separates skin contact from electrodes to improve comfort, measurement reliability, and low-cost single use.

A movable flow path diverts the first potentially contaminated bodily fluid into a separate reservoir before collecting a cleaner diagnostic sample.

Transient pressure pulses and a sterile adapter enable faster rigidize/de-rigidize switching while limiting leaks and cross-contamination.

Pins lock a reverse shoulder spacer into existing glenoid anchor holes, preserving bone integrity and simplifying temporary joint replacement.

A dual-sheath irrigation sleeve improves cooling, limits fluid leakage at the hub, and helps maintain visibility during ultrasonic surgery.

Color-coded reference bands and optical sensing enable absolute table position detection in PET/MRI systems without zero-point calibration.

Imaging a basket-grasped stone enables accurate size and shape measurement, helping decide extraction or crushing while avoiding ureter injury.

An attachable extension lets surgeons rotate a laparoscope with one hand while keeping the light-guide cable secured during surgery.

AI analyzes secondary endoscope views and flags suspected polyps, expanding colon coverage without forcing physicians to track multiple feeds.

Elastic locking members help a vascular occluder resist pulsation-driven detachment while improving positioning firmness and clot-assisted locking.

A removable endoscope-coupled delivery unit uses pressurized fluid to move hemostatic agent through the channel with less clogging and steadier dosing.

Tactile protrusions on the endoscope grip let operators return the insertion part to neutral without visual indicator alignment.

An umbilical cord-derived sleeve around a biocompatible strip helps close fistulas while supporting tissue regeneration and drainage.

A base with interchangeable reaming members enables precise incremental cavity sizing while reducing repeated tool changes and surgical time.