Diagnostics TRIZ Cases

A multilayer mesh seal traps liquid embolic at the treatment site, preventing migration and enabling aneurysm and AVM occlusion.

Real-time comparison of camera bone images and a registered 3D model helps verify alignment accuracy without adding surgical steps.

A selectable leverage and lockout mechanism blocks stapler firing until a staple cartridge is properly installed, reducing tissue damage risk.

Stand-off members and pocketed staple drivers improve tissue grip, 3D staple formation, and firing force in linear surgical staplers.

Automatic motion-lock release during an emergency lets caregivers quickly reposition the patient support deck for CPR.

An adjustable mesh basket uses a measured opening size as a visual reference to judge stone size during endoscopic extraction and avoid sheath blockage.

Different cartridge deck extensions guide tissue flow and support staple ejection for more consistent formation across varying tissue thicknesses.

By co-molding an RFID tag into the needle shield, syringe history can be tracked from assembly through use for quality control and recalls.

Telescopic corner members and locking blades widen narrow hernia access while reducing tissue stress, handling steps, and sterilization concerns.

Flexible connectors let sequential mesh elements rotate independently, helping intrasaccular reinforcement conform to irregular aneurysms and anchor securely.

Force-sensing arm control lets clinicians manually reposition a surgical robot in nullspace while maintaining instrument position and avoiding collisions.

Medical images and landmark detection automate fixation ring and strut planning, reducing frame setup complexity in bone deformity correction.

Pressure sensors, flow meters, and controlled suction help aspiration catheters remove clots faster while limiting ischemic injury.

Passive magnetic tags, exciter coils, and sensor coils localize surgical tools and tissue accurately despite EMI and metal distortion.

An embedded wear indicator in the jaw liner alerts users when ultrasonic blade vibration has worn the liner to its replacement threshold.

A cold plate and interchangeable suspension tip enable precise skin freezing control to improve pigmentation consistency while limiting cellular damage.

An integrated battery and motor let the fracture reduction robot adjust struts wirelessly, avoiding cable interference and surgeon strain.

A Venturi liquid jet draws kidney stone fragments into an evacuation lumen, improving clearance while managing pressure and heat.

Combining grasping, suction, irrigation, and electrosurgery in one laparoscopic instrument cuts exchanges, tissue trauma, and operative delay.

Closed-loop torque feedback corrects pull-wire tension for anatomical constraints and external forces, improving catheter tip control.

A laterally offset guide wire gives surgeons a fluoroscopic reference for first-pass k-wire alignment, reducing retries and bone micro-injuries.

A movable rigidizing member lets an ultrasonic surgical end effector articulate while preserving vibration transmission for precise cutting and coagulation.

Real-time localization and imaging keep a cement delivery tip aligned with moving bone, improving placement accuracy and flow control.

Machine learning predicts irrigation-driven anatomical distension to guide percutaneous entry planning while avoiding over-pressurization.

Real-time jaw angle, force, and torsion feedback helps keep tissue sealing within ideal ranges and prevents premature cooking.

A slidable sheath with a depth stop sets retrograde bone tunnel length precisely, helping grafts fit tightly and stay flush at the opening.

A shifting assembly separates closure and firing drives in a surgical stapler to improve tissue control and block unintended firing.

A spring-return stage enables manual electrode insertion with preset depth control and automatic shielding after tissue ablation or coagulation.

Wide convex stylus tips improve tibial resection accuracy by better matching the irregular tibial plateau during knee arthroplasty.

A woven intrasaccular implant uses a proximal cavity for embolic material to block aneurysm flow while fitting small microcatheters.

Robotic control and sensor feedback improve catheter navigation in tortuous GI pathways for precise intestinal tissue expansion and ablation.

A snap-on dental appliance guides tongue position during sleep to reduce snoring and sleep apnea while preserving speech and swallowing.

An eccentric locking ring and sliding connecting rod speed forceps-head changes while maintaining secure attachment and overload protection.

On-head color light indicators and adjustable tracker orientation help surgeons spot line-of-sight loss quickly and reduce navigation delays.

A location transform blends model and sensor data to prevent position jumps during luminal instrument navigation and tracking.

A side-opening protrusion creates swirling gas flow in the chamber, keeping medical powder spray stable even when the applicator is tilted.

A threaded jaw balancer with spring bias and locking enables accurate knee distraction height and force measurement during arthroplasty.

Local virtual references and CAD-guided navigation let surgeons adjust surgical plans in real time to match anatomy during the procedure.

A flowable HPMC retention plug secures an intraocular implant in the needle while slowing ejection to reduce retinal injury risk.

Combined RF and stimulation signals with pad sensing let the controller adjust output when tissue is too close, reducing unintended nerve damage.

Precomputed distortion maps and neural network correction reduce electromagnetic interference in robotic surgery sensors for sub-millimeter positioning.

Pressure sensors and aspiration cycling detect catheter flow states to limit blood loss while improving clot removal during thrombectomy.

A spring-loaded locking mechanism retracts the drill bit after skull penetration to prevent plunge and improve catheter alignment.

A movable LED headlamp uses marker tracking and pan-tilt positioning to keep the surgical site consistently illuminated despite head movement.

An ultrasound-guided transvaginal needle delivers RF, microwave, or cryoablation to ovarian tissue with precise targeting and fewer adhesions.

Motorized pitch, yaw, roll, and linear control with remote center motion improves uterine positioning in tight surgical spaces and shortens surgery.

Continuity testing and pressure sensing verify vessel contact before RF cautery, reducing unintended brain tissue damage during hematoma removal.

A robotic 3D laparoscope uses coordinate transformation for accurate registration and AR guidance without line-of-sight tracking.

An elastic strap and buckle with hook-and-loop fastening helps untrained users apply stable blood-flow occlusion in a compact first aid kit.

Magnetic sensors and an external beacon verify REBOA balloon position in real time, avoiding fluoroscopy complexity and placement delays.