Surgical Navigation Systems TRIZ Cases

Audible and tactile feedback from tibial force sensing helps surgeons balance knee joints and judge reaming depth without visual distraction.

An elongated guide tube lets surgeons reach a bone-anchored fiducial through a small incision, improving MIS navigation accuracy.

Existing sensors detect other trackers' pulse timing, letting medical optical systems emit in pause windows and avoid mutual interference.

Multiple unipolar electrode signals are normalized into orientation-independent vectors to improve cardiac voltage mapping accuracy and reduce far-field noise.

Integrated optical markers and fiber sensing improve adhesion, preserve sterile access, and maintain navigation when markers are obstructed.

Visible tip markings and virtual reference lines enable more accurate in-procedure anatomical size and distance measurement in endoscopy.

Maintains surgical navigation when staff or equipment block markers by repositioning cameras and hot-swapping floating reference data.

ROI-guided catheter tracking and ECG-timed IEGM analysis identify cardiac EP landmarks in real time with fewer false positives.

A flexible elastomeric cuff cradles the cortex to form a stable surgical corridor while dissipating tool forces and reducing brain tissue trauma.

Automatic intraoperative registration updates patient-to-image alignment during brain shift, improving navigation accuracy without manual steps.

Voxel CSG and tool-path sweeping enable smooth, real-time resection views with fewer artifacts and lower computation during surgical navigation.

A segmented optical connector links sterile catheter stylets to non-sterile interrogators for real-time shape sensing without X-ray exposure.

Tissue-aware validation filters non-relevant surface points to improve geometry capture and registration precision in medical navigation.

An elongated guide tube lets surgeons place and access a bone fiducial screw through a small incision while improving navigation accuracy.

Inside-ureter imaging and basket markers estimate kidney stone size accurately, helping avoid unsafe extraction and ureter avulsion.

Proxy-position matching lets surgeons reassign teleoperational instrument control without awkward hand movements or losing visual context.

Neural-network comparison of measured and predicted magnetic gradients flags metal instrument interference during marker localization.

Complementary splint portions and a threaded gap-control mechanism secure fiducial tracking while allowing easy removal with minimal adhesive.

Automatic consistency checks across heartbeats filter unreliable electrophysiology points from 3D tissue maps, improving mapping speed and accuracy.

Extended reality overlays target lines and tolerance cues to improve medical device placement precision without fixed laser guidance.

ROI-constrained catheter tracking and ECG-timed IEGM analysis improve real-time EP landmark detection while reducing false positives and mapping time.

Real-time path planning from instrument shape, target position, and 2D x-ray data helps physicians navigate more accurately during interventions.

Heat-shrinkable drape sections conform to surgical robot surfaces to self-position optical windows and reduce distortion and alignment error.

Real-time alert zones track instrument position against planned pathways and vital anatomy to prevent surgical deviation and damage.

Real-time orientation sensing and radiopaque marker registration guide screw trajectory and depth without complex optical tracking.

An offset scan wavelength range lets multicore optical fibers detect smaller bend radii while preserving sensitivity and signal quality.

A reusable robotic ligament balancer measures knee gap and ligament force precisely without single-use sensors, reducing balancing errors.

Multiple catheter position sets are compared to flag and correct tenting artifacts, improving electro-anatomical map accuracy.

Magnetic sensor variance filtering separates deliberate catheter motion from respiration and cardiac movement to improve motion compensation accuracy.

A multi-face fiducial bone marker and tissue-trapping flange keep surgical tracking visible despite debris and loose tissue.

Real-time position tracking automatically updates the imaging field of view to keep interventional devices visible without manual fluoroscopy adjustment.

Body-surface patches triangulate signals from catheter electrodes to track position and orientation without fluoroscopy or lengthy calibration.

Marker placement on the tracker frame enables continuous instrument position and type detection without repeated re-registration during surgery.

Floating reference sources hot-swap tracking data when markers are blocked, preserving continuous surgical instrument guidance.

A piezoelectric resonator and coil marker boosts tracking accuracy and sensing while avoiding fast, complex readout electronics.

Multi-image 3D reconstruction and landmark registration improve endoscopic cannulation guidance in complex anatomy.

Sensors and coordinated robotic hub control stabilize multiple coaxial catheters in tortuous neurovascular anatomy and reduce inadvertent motion.

Real-time color encoding links catheter electrodes to nearby ablation tags, helping close gaps and avoid repetitive cardiac ablation.

Spread spectrum tracking with real-time distortion correction improves surgical instrument pose accuracy in opaque tissue environments.

A safety catch and ratchet lock keep the inner shaft secured during spinal implant delivery, preserving sterility without integrated navigation.

A 3D magnetic field sensor locates a bed or patient marker so the MRI control unit can align the field of view with higher precision and less setup time.

Flexible skin-mounted tracking points detect and compensate for patient-surface deformation, reducing surgical navigation errors and resets.

Wing-braced tissue anchors and guide locks keep navigated surgical trackers compact, adjustable, and resistant to rotation.

Force-torque sensing and encoder feedback let a robotic joint evaluator measure ligament tension during release and guide balanced joint alignment.

Electromagnetic sensor and video guidance localize kidney papillae for precise percutaneous access without fluoroscopy, reducing radiation exposure.

Preplanned autonomous bone resection cuts procedure time and tissue damage by replacing manual guidance and real-time navigation.

Time-separated nuclear images and subtraction processing improve parathyroid localization despite thyroid uptake overlap, with less added radiation.

An integrated splint combines fiducial marking with retraction and spacing to improve robotic surgical access without repositioning.

Patient-wearable sensors and optical fiber shape sensing correct torsional orientation errors for accurate radiation-free intravascular guidance.

Real-time imaging maps anatomical landmarks and end-effector position to lower the HoLEP learning curve while improving surgical precision.